Prospectus

February 28, 2024

 

DFA INVESTMENT DIMENSIONS GROUP INC.

Dimensional 2010 Target Date Retirement Income Fund (DRIBX)

Dimensional 2015 Target Date Retirement Income Fund (DRIQX)

Dimensional 2020 Target Date Retirement Income Fund (DRIRX)

 

This Prospectus describes the Institutional Class shares of the funds which:
Are for long-term investors.
Do not charge sales commissions or loads.

 

The Securities and Exchange Commission has not approved or disapproved these securities or passed upon the adequacy of this Prospectus. Any representation to the contrary is a criminal offense.


 


Table of Contents

   

Dimensional 2010 Target Date Retirement Income Fund

1

Investment Objective

1

Fees and Expenses of the Portfolio

1

Principal Investment Strategies

2

Principal Risks

2

Performance

5

Investment Advisor/Portfolio Management

7

Purchase and Redemption of Fund Shares

7

Tax Information

7

Payments to Financial Intermediaries

7

Dimensional 2015 Target Date Retirement Income Fund

8

Investment Objective

8

Fees and Expenses of the Portfolio

8

Principal Investment Strategies

9

Principal Risks

9

Performance

12

Investment Advisor/Portfolio Management

14

Purchase and Redemption of Fund Shares

14

Tax Information

14

Payments to Financial Intermediaries

14

Dimensional 2020 Target Date Retirement Income Fund

15

Investment Objective

15

Fees and Expenses of the Portfolio

15

Principal Investment Strategies

16

Principal Risks

16

Performance

19

Investment Advisor/Portfolio Management

21

Purchase and Redemption of Fund Shares

21

Tax Information

21

Payments to Financial Intermediaries

21

Additional Information on Investment Objectives and Policies

22

Asset Allocation Strategy

22

Investment Terms Used in the Prospectus

23

Investments in Underlying Funds

23

Description of Investments of the Fixed Income Underlying Funds

29

Additional Information Regarding Investment Risks

30

Other Information

35

Commodity Pool Operator Exemption

35

Fund of Funds Portfolio Turnover

36


   

Securities Loans

36

Management of the Portfolios

36

Management Fees

38

Shareholder Services

38

Expense Assumption Agreement

39

Dividends, Capital Gains Distributions and Taxes

39

Purchase of Shares

41

Cash Purchases

41

In-Kind Purchases

42

Policy Regarding Excessive Short-Term Trading

43

Valuation of Shares

45

Net Asset Value

45

Public Offering Price

46

Exchange of Shares

47

Redemption of Shares

47

Redemption Procedure

47

Redemption of Small Accounts

48

In-Kind Redemptions

48

Disclosure of Portfolio Holdings

48

Delivery of Shareholder Documents

49

Financial Highlights

49


Dimensional 2010 Target Date Retirement Income Fund

Investment Objective

The investment objective of the Dimensional 2010 Target Date Retirement Income Fund (the “2010 Target Date Portfolio” or the “Portfolio”) is to provide total return consistent with the Portfolio’s current asset allocation. Total return is composed of income and capital appreciation.

Fees and Expenses of the Portfolio

This table describes the fees and expenses you may pay if you buy, hold or sell shares of the Portfolio. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.

     

 

 

Shareholder Fees (fees paid directly from your investment): None

 

 

 

 

Annual Fund Operating Expenses (expenses that you pay each
year as a percentage of the value of your investment)

 

 

 

 

Management Fee

None

Other Expenses

0.18%

Acquired Fund Fees & Expenses

0.12%

Total Annual Fund Operating Expenses

0.30%

Expense Reimbursement1

0.12%

Total Annual Fund Operating Expenses After Expense Reimbursement

0.18%

 

   

1

Dimensional Fund Advisors LP (the “Advisor”) has agreed in certain instances to assume certain expenses of the Portfolio. The Expense Assumption Agreement for the Portfolio will remain in effect through February 28, 2025, and may only be terminated by the Fund’s Board of Directors prior to that date. Under certain circumstances, the Advisor retains the right to seek reimbursement for any expenses previously assumed up to thirty-six months after such expense assumption.

EXAMPLE

This Example is meant to help you compare the cost of investing in the Portfolio with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same. The costs for the Portfolio reflect the net expenses of the Portfolio that result from the contractual expense waiver in the first year only. Although your actual costs may be higher or lower, based on these assumptions your costs whether you redeem or hold your shares would be:

       

1 Year

3 Years

5 Years

10 Years

$18

$84

$157

$369

PORTFOLIO TURNOVER

A fund generally pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. The Portfolio does not pay transaction costs when buying and selling shares of other funds managed by the Advisor (the “Underlying Funds”); however, the Underlying Funds pay transaction costs when buying and selling securities for their portfolio. These costs, which are not reflected in Annual Fund Operating

1


Expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio's portfolio turnover rate was 13% based on the weighted average portfolio turnover ratios of each of the Portfolio's underlying investments.

Principal Investment Strategies

The 2010 Target Date Portfolio is designed for an investor currently in retirement. To achieve its investment objective, the Portfolio allocates its assets to other mutual funds managed by the Advisor (i.e., the Underlying Funds) according to an asset allocation strategy designed for investors that retired in or within a few years of 2010 (the target date) and are planning to withdraw the value of the investment in the Portfolio over many years after the target date. Over time, the Portfolio’s allocation to the Underlying Funds is expected to change based on an asset allocation strategy that becomes generally more conservative (reducing its allocation to equity Underlying Funds and increasing its allocation to fixed income Underlying Funds) until it reaches the final “landing point,” which is 15 years after the target date (i.e., 2025 in the case of the Portfolio), at which time the Portfolio reaches its final static asset allocation. At the final landing point, the Portfolio is expected to reach a final static asset allocation of 15% to 25% of its assets allocated to domestic and international equity Underlying Funds and 75% to 85% of its assets allocated to fixed income Underlying Funds. The asset allocation strategy for the Portfolio reflects the need for reduced equity risk and lower volatility of the inflation-adjusted income the Portfolio may be able to support in retirement in the years beyond the retirement target date. When the Portfolio reaches the landing point, it is expected that the Advisor will recommend that the Board of Directors of the Portfolio approve combining the Portfolio with the Dimensional Retirement Income Fund, another fund managed by the Advisor, which is expected to have approximately the same asset allocation as the Portfolio at that time.

As of February 28, 2024, the 2010 Target Date Portfolio has a target allocation of 15% to 30% to equity Underlying Funds and a target allocation of approximately 70% to 85% to fixed income Underlying Funds, which may include exposure through those fixed income Underlying Funds to long-term and intermediate-term U.S. Treasury Inflation-Protected Securities (“TIPS”). As of February 28, 2024, the Portfolio may invest in: (1) domestic equity Underlying Funds that purchase a broad and diverse portfolio of securities of U.S. operating companies; (2) international equity Underlying Funds that purchase a broad and diverse portfolio of securities of companies in developed and emerging markets; and (3) fixed income Underlying Funds that may purchase U.S. and foreign debt securities such as obligations issued or guaranteed by the U.S. and foreign governments, their agencies and instrumentalities, long-, intermediate- and short-term TIPS, bank obligations, commercial paper, repurchase agreements, money market funds, obligations of other domestic and foreign issuers, securities of domestic and foreign issuers denominated in U.S. dollars but not trading in the United States, obligations of supranational organizations, and inflation-protected securities. The fixed income Underlying Funds primarily invest in securities that are considered investment grade at the time of purchase and which have a range of maturities, including ultra-short, intermediate, and long-term. Certain equity Underlying Funds purchase a broad and diverse group of securities of companies with a greater emphasis on smaller capitalization, lower relative price, and higher profitability companies as compared to their representation in the universe of securities such Underlying Funds invest in. A summary of the investment strategies and policies of the Underlying Funds in which the Portfolio invests as of the date of this Prospectus is described in the Portfolio’s Prospectus in the section entitled “ADDITIONAL INFORMATION ON INVESTMENT OBJECTIVES AND POLICIES.”

The 2010 Target Date Portfolio and each Underlying Fund may purchase or sell futures contracts and options on futures contracts, to adjust market exposure based on actual or expected cash inflows to or outflows from the Portfolio or Underlying Fund. Certain Underlying Funds may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities, to hedge foreign currency risks, to hedge against fluctuations in currency exchange rates or to transfer balances from one currency to another. Certain Underlying Funds also may enter into swaps to hedge against inflation risk associated with certain securities. Certain Underlying Funds also may purchase or sell futures contracts and options on futures contracts, to hedge their interest rate exposure. Also, the Portfolio and the Underlying Funds may lend their portfolio securities to generate additional income.

Principal Risks

Because the value of your investment in the Portfolio will fluctuate, there is the risk that you will lose money. An investment in the Portfolio is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit

2


Insurance Corporation or any other government agency. The following is a description of principal risks of investing in the Portfolio.

Fund of Funds Risk: The investment performance of a fund of funds is affected by the investment performance of the underlying funds in which the fund of funds invests. The ability of a fund of funds to achieve its investment objective depends on the ability of the underlying funds to meet their investment objectives and on the Advisor’s decisions regarding the allocation of a fund of funds’ assets among the underlying funds. A fund of funds may allocate assets to an underlying fund or asset class that underperforms other funds or asset classes. There can be no assurance that the investment objective of a fund of funds or any underlying fund will be achieved. Through its investments in the underlying funds, a fund of funds is subject to the risks of the underlying funds’ investments. When a fund of funds invests in underlying funds, investors are exposed to a proportionate share of the expenses of those underlying funds in addition to the expenses of a fund of funds. Certain risks of the Underlying Funds’ investments that are principal risks of investing in the Portfolio are described below.

Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, political, and issuer-specific events will cause the value of securities, and a fund that owns them, to rise or fall.

Equity Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, market, political, and issuer-specific conditions and events will cause the value of equity securities, and a fund that owns them, to rise or fall. Stock markets are volatile, with periods of rising prices and periods of falling prices.

Foreign Securities and Currencies Risk: Foreign securities prices may decline or fluctuate because of: (a) economic or political actions of foreign governments, and/or (b) less regulated or liquid securities markets. Investors holding these securities may also be exposed to foreign currency risk (the possibility that foreign currency will fluctuate in value against the U.S. dollar or that a foreign government will convert, or be forced to convert, its currency to another currency, changing its value against the U.S. dollar).

Foreign Government Debt Risk: The risk that: (a) the governmental entity that controls the repayment of government debt may not be willing or able to repay the principal and/or to pay the interest when it becomes due, due to factors such as political considerations, the relative size of the governmental entity’s debt position in relation to the economy, cash flow problems, insufficient foreign currency reserves, the failure to put in place economic reforms required by the International Monetary Fund or other multilateral agencies, and/or other national economic factors; (b) governments may default on their debt securities, which may require holders of such securities to participate in debt rescheduling; and (c) there is no legal or bankruptcy process by which defaulted government debt may be collected in whole or in part.

Small and Mid-Cap Company Risk: Securities of small and mid-cap companies are often less liquid than those of large companies and this could make it difficult to sell a small or mid-cap company security at a desired time or price. As a result, small and mid-cap company stocks may fluctuate relatively more in price. In general, small and mid-capitalization companies are also more vulnerable than larger companies to adverse business or economic developments and they may have more limited resources.

Profitability Investment Risk: High relative profitability stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies.

Value Investment Risk: Value stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies. Value stocks can react differently to political, economic, and industry developments than the market as a whole and other types of stocks. Value stocks also may underperform the market for long periods of time.

Emerging Markets Risk: Numerous emerging market countries have a history of, and continue to experience serious, and potentially continuing, economic and political problems. Stock markets in many emerging market countries are relatively small, expensive to trade in and generally have higher risks than those in developed markets. Securities in emerging markets also may be less liquid than those in developed markets and foreigners are often limited in their ability to invest in, and withdraw assets from, these markets. Additional restrictions may be imposed under other conditions. Frontier market countries generally have smaller economies or less developed capital markets and, as a result, the risks of investing in emerging market countries are magnified in frontier market countries.

3


Interest Rate Risk: Fixed income securities are subject to interest rate risk because the prices of fixed income securities tend to move in the opposite direction of interest rates. When interest rates rise, fixed income security prices fall. During periods of very low or negative interest rates, a fund may be subject to a greater risk of rising interest rates. When interest rates fall, fixed income security prices rise. In general, fixed income securities with longer maturities are more sensitive to changes in interest rates.

Credit Risk: Credit risk is the risk that the issuer of a security may be unable to make interest payments and/or repay principal when due. A downgrade to an issuer’s credit rating or a perceived change in an issuer’s financial strength may affect a security’s value, and thus, impact the performance of a fund holding such securities. Government agency obligations have different levels of credit support and, therefore, different degrees of credit risk. Securities issued by agencies and instrumentalities of the U.S. Government that are supported by the full faith and credit of the United States, such as the Federal Housing Administration and Ginnie Mae, present little credit risk. Other securities issued by agencies and instrumentalities sponsored by the U.S. Government, that are supported only by the issuer’s right to borrow from the U.S. Treasury, subject to certain limitations, and securities issued by agencies and instrumentalities sponsored by the U.S. Government that are sponsored by the credit of the issuing agencies, such as Freddie Mac and Fannie Mae, are subject to a greater degree of credit risk. U.S. government agency securities issued or guaranteed by the credit of the agency may still involve a risk of non-payment of principal and/or interest. Credit risk is greater for fixed income securities with ratings below investment grade (e.g., BB+ or below by S&P or Fitch or Ba1 or below by Moody’s).

Risks of Investing for Inflation Protection: Because the interest and/or principal payments on an inflation-protected security are adjusted periodically for changes in inflation, the income distributed by a fund investing in such securities may be irregular. Although the U.S. Treasury guarantees to pay at maturity at least the original face value of any inflation-protected securities the Treasury issues, other issuers may not offer the same guarantee. Inflation-protected securities are not protected against deflation. As a result, in a period of deflation, the principal and income of inflation-protected securities held by a fund will decline and the fund may suffer a loss during such periods. While inflation-protected securities are expected to be protected from long-term inflationary trends, short-term increases in inflation may lead to a decline in the value of a fund holding such securities. For example, if interest rates rise due to reasons other than inflation, a fund’s investment in these securities may not be protected to the extent that the increase is not reflected in the securities’ inflation measures. In addition, positive adjustments to principal generally will result in taxable income to a fund at the time of such adjustments (which generally would be distributed by the fund as part of its taxable dividends), even though the principal amount is not paid until maturity. The current market value of inflation-protected securities is not guaranteed and will fluctuate.

Inflation-Protected Securities Interest Rate Risk: Inflation-protected securities may react differently from other fixed income securities to changes in interest rates. Because interest rates on inflation-protected securities are adjusted for inflation, the values of these securities are not materially affected by inflation expectations. Therefore, the value of inflation-protected securities are anticipated to change in response to changes in “real” interest rates, which represent nominal (stated) interest rates reduced by the expected impact of inflation. Generally, the value of an inflation-protected security will fall when real interest rates rise and will rise when real interest rates fall.

Inflation-Protected Securities Tax Risk: Any increase in the principal amount of an inflation-protected security may be included for tax purposes in a fund’s gross income, even though no cash attributable to such gross income has been received by a fund. In such event, a fund may be required to make annual gross distributions to shareholders that exceed the cash it has otherwise received. In order to pay such distributions, a fund may be required to raise cash by selling its investments. The sale of such investments could result in capital gains to a fund and additional capital gain distributions to shareholders. In addition, adjustments during the taxable year for deflation to an inflation-indexed bond held by a fund may cause amounts previously distributed to shareholders in the taxable year as income to be characterized as a return of capital, which could increase or decrease a fund’s ordinary income distributions to shareholders, and may cause some of a fund’s distributed income to be classified as a return of capital.

Income Risk: Income risk is the risk that falling interest rates will cause a fund’s income to decline because, among other reasons, the proceeds from maturing short-term securities in its portfolio may be reinvested in lower-yielding securities.

Call Risk: Call risk is the risk that during periods of falling interest rates, an issuer will call or repay a higher-yielding fixed income security before its maturity date, forcing a fund to reinvest in fixed income securities with lower interest rates than the original obligations.

4


Derivatives Risk: Derivatives are instruments, such as swaps, futures contracts, and options thereon, and foreign currency forward contracts, whose value is derived from that of other assets, rates or indices. Derivatives can be used for hedging (attempting to reduce risk by offsetting one investment position with another) or non-hedging purposes. Hedging with derivatives may increase expenses, and there is no guarantee that a hedging strategy will work. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains or cause losses if the market moves in a manner different from that anticipated by a fund or if the cost of the derivative outweighs the benefit of the hedge. In regard to currency hedging, it is generally not possible to precisely match the foreign currency exposure of such foreign currency forward contracts to the value of the securities involved due to fluctuations in the market values of such securities and cash flows into and out of a fund between the date a foreign currency forward contract is entered into and the date it expires. The use of derivatives for non-hedging purposes may be considered to carry more risk than other types of investments. When a fund uses derivatives, the fund will be directly exposed to the risks of those derivatives. Derivative instruments are subject to a number of risks including counterparty, settlement, liquidity, interest rate, market, credit and management risks, as well as the risk of improper valuation. Changes in the value of a derivative may not correlate perfectly with the underlying asset, rate or index, and a fund could lose more than the principal amount invested. Additional risks are associated with the use of swaps including counterparty and credit risk (the risk that the other party to a swap agreement will not fulfill its contractual obligations, whether because of bankruptcy or other default) and liquidity risk (the possible lack of a secondary market for the swap agreement). Credit risk increases when a fund is the seller of swaps and counterparty risk increases when the fund is a buyer of swaps. In addition, where a fund is the seller of swaps, it may be required to liquidate portfolio securities at inopportune times in order to meet payment obligations. Swaps may be illiquid or difficult to value.

Liquidity Risk: Liquidity risk exists when particular portfolio investments are difficult to purchase or sell. To the extent that a fund holds illiquid investments, the fund’s performance may be reduced due to an inability to sell the investments at opportune prices or times. Liquid portfolio investments may become illiquid or less liquid after purchase by a fund due to low trading volume, adverse investor perceptions and/or other market developments. Liquidity risk includes the risk that a fund will experience significant net redemptions at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss or at increased costs. Liquidity risk can be more pronounced in periods of market turmoil or in situations where ownership of shares of a fund are concentrated in one or a few investors.

Securities Lending Risk: Securities lending involves the risk that the borrower may fail to return the securities in a timely manner or at all. As a result, a fund may lose money and there may be a delay in recovering the loaned securities. A fund could also lose money if it does not recover the securities and/or the value of the collateral falls, including the value of investments made with cash collateral. Securities lending also may have certain adverse tax consequences.

Operational Risk: Operational risks include human error, changes in personnel, system changes, faults in communication, and failures in systems, technology, or processes. Various operational events or circumstances are outside a fund’s or its advisor’s control, including instances at third parties. A fund and its advisor seek to reduce these operational risks through controls and procedures. However, measures that seek to reduce these operational risks through controls and procedures may not address every possible risk and may be inadequate to address these risks.

Cyber Security Risk: A fund and its service providers’ use of internet, technology and information systems may expose the fund to potential risks linked to cyber security breaches of those technological or information systems. Cyber security breaches, amongst other things, could allow an unauthorized party to gain access to proprietary information, customer data, or fund assets, or cause the fund and/or its service providers to suffer data corruption or lose operational functionality.

Performance

The bar chart and table immediately following illustrate the variability of the Portfolio’s returns and are meant to provide some indication of the risks of investing in the Portfolio. The bar chart shows the changes in the Portfolio’s performance from year to year. The table illustrates how annualized returns for certain periods, both before and after taxes, compare with those of a broad measure of market performance. The table also includes the performance of additional indexes with similar investment universes of the Portfolio, or certain portions of the Portfolio. The

5


Portfolio’s past performance (before and after taxes) is not an indication of future results. Updated performance information for the Portfolio can be obtained by visiting https://www.dimensional.com/us-en/funds.

The after-tax returns presented in the table for the Portfolio are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown in the table. In addition, the after-tax returns shown are not relevant to investors who hold shares of the Portfolio through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.

 

2010 Target Date PortfolioInstitutional Class Shares —Total Returns

PerformanceBarChartData(2016:6.6,2017:8.36,2018:-3.44,2019:12.9,2020:12.1,2021:8.82,2022:-11.64,2023:7.96)

   

January 2016-December 2023

Highest Quarter

Lowest Quarter

7.79% 2020, Q2

-7.62% 2022, Q2

                 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Annualized Returns (%)
Periods ended December 31, 2023

 

 

 

 

 

 

 

 

 

 

 

 

 

Since

 

 

 

1 Year

 

5 Years

 

Inception

 

2010 Target Date Portfolio

 

 

 

 

 

 

 

 

Return Before Taxes

 

7.96%

 

5.61%

 

4.55%

1

 

Return After Taxes on Distributions

 

6.62%

 

4.21%

 

3.37%

1

 

Return After Taxes on Distributions and Sale of Portfolio Shares

 

4.76%

 

3.86%

 

3.11%

1

Bloomberg U.S. TIPS Index

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

3.90%

 

3.15%

 

2.60%

1

ICE BofA 1-3 Year Global Government Index (hedged to USD)2

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes)

 

4.84%

 

1.48%

 

1.42%

1

S&P Global BMI Index (net dividends)

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

21.32%

 

11.23%

 

8.82%

1

Bloomberg Global Aggregate Bond Index (hedged to USD)3

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

7.15%

 

1.40%

 

1.91%

1

 

 

 

 

 

 

 

 

 

1.

Since inception November 2, 2015.

2.

ICE BofA index data copyright 2023 ICE Data Indices, LLC. Prior to July 1, 2022, index returns reflect no deduction for transaction costs. Effective July 1, 2022, index returns include transaction costs (as determined and calculated by the index provider), which may be higher or lower than the actual transaction costs incurred by the Portfolio.

3.

Effective February 28, 2024, the Portfolio incorporated this broad-based securities market index to reflect the overall applicable securities market of the Portfolio.

6


Investment Advisor/Portfolio Management

Dimensional Fund Advisors LP serves as the investment advisor for the Portfolio. The following individuals are responsible for leading the day-to-day management of the Portfolio:

 Jed S. Fogdall, Global Head of Portfolio Management, Chairman of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Joseph F. Kolerich, Head of Fixed Income, Americas, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 David A. Plecha, Global Head of Fixed Income Portfolio Management, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Allen Pu, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Mary T. Phillips, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2017.

 Ashish P. Bhagwanjee, Vice President and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2020.

Purchase and Redemption of Fund Shares

Investors may purchase or redeem shares of the Portfolio on each day that the New York Stock Exchange is scheduled to be open for business by first contacting the Portfolio’s transfer agent at (888) 576-1167. Shareholders that invest in the Portfolio through a financial intermediary should contact their financial intermediary regarding purchase and redemption procedures. The Portfolio generally is available for investment only by institutional clients, clients of registered investment advisors, clients of financial institutions and a limited number of certain other investors as approved from time to time by the Advisor. All investments are subject to approval of the Advisor.

Tax Information

The dividends and distributions you receive from the Portfolio are taxable and generally will be taxed as ordinary income, capital gains, or some combination of both, unless you are investing through a tax-advantaged arrangement, such as a 401(k) plan or an individual retirement account, in which case distributions may be taxed as ordinary income when withdrawn from the plan or account.

Payments to Financial Intermediaries

If you purchase the Portfolio through a broker-dealer or other financial intermediary (such as a bank), the Portfolio and its related companies may pay the intermediary for the sale of the Portfolio shares and/or related services. These payments may create a conflict of interest by influencing the financial intermediary to recommend the Portfolio over another investment. Ask your financial advisor or visit your financial intermediary’s website for more information.

7


Dimensional 2015 Target Date Retirement Income Fund

Investment Objective

The investment objective of the Dimensional 2015 Target Date Retirement Income Fund (the “2015 Target Date Portfolio” or the “Portfolio”) is to provide total return consistent with the Portfolio’s current asset allocation. Total return is composed of income and capital appreciation.

Fees and Expenses of the Portfolio

This table describes the fees and expenses you may pay if you buy, hold or sell shares of the Portfolio. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.

     

 

 

Shareholder Fees (fees paid directly from your investment): None

 

 

 

 

Annual Fund Operating Expenses (expenses that you pay each
year as a percentage of the value of your investment)

 

 

 

 

Management Fee

None

Other Expenses

0.13%

Acquired Fund Fees & Expenses

0.11%

Total Annual Fund Operating Expenses

0.24%

Expense Reimbursement1

0.07%

Total Annual Fund Operating Expenses After Expense Reimbursement

0.17%

 

   

1

Dimensional Fund Advisors LP (the “Advisor”) has agreed in certain instances to assume certain expenses of the Portfolio. The Expense Assumption Agreement for the Portfolio will remain in effect through February 28, 2025, and may only be terminated by the Fund’s Board of Directors prior to that date. Under certain circumstances, the Advisor retains the right to seek reimbursement for any expenses previously assumed up to thirty-six months after such expense assumption.

EXAMPLE

This Example is meant to help you compare the cost of investing in the Portfolio with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same. The costs for the Portfolio reflect the net expenses of the Portfolio that result from the contractual expense waiver in the first year only. Although your actual costs may be higher or lower, based on these assumptions your costs whether you redeem or hold your shares would be:

       

1 Year

3 Years

5 Years

10 Years

$17

$70

$128

$299

PORTFOLIO TURNOVER

A fund generally pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. The Portfolio does not pay transaction costs when buying and selling shares of other funds managed by the Advisor (the “Underlying Funds”); however, the Underlying Funds pay transaction costs when buying and selling securities for their portfolio. These costs, which are not reflected in Annual Fund Operating

8


Expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio's portfolio turnover rate was 9% based on the weighted average portfolio turnover ratios of each of the Portfolio's underlying investments.

Principal Investment Strategies

The 2015 Target Date Portfolio is designed for an investor currently in retirement. To achieve its investment objective, the Portfolio allocates its assets to other mutual funds managed by the Advisor (i.e., the Underlying Funds) according to an asset allocation strategy designed for investors that retired in or within a few years of 2015 (the target date) and are planning to withdraw the value of the investment in the Portfolio over many years after the target date. Over time, the Portfolio’s allocation to the Underlying Funds is expected to change based on an asset allocation strategy that generally becomes more conservative (reducing its allocation to equity Underlying Funds and increasing its allocation to fixed income Underlying Funds) until reaching the “landing point,” which is 15 years after the target date (i.e., 2030 in the case of the Portfolio), at which time the Portfolio reaches its final static asset allocation. At the final landing point, the Portfolio is expected to reach a final static asset allocation of 15% to 25% of its assets allocated to domestic and international equity Underlying Funds and 75% to 85% of its assets allocated to fixed income Underlying Funds. The asset allocation strategy for the Portfolio reflects the need for reduced equity risk and lower volatility of the inflation-adjusted income the Portfolio may be able to support in retirement in the years beyond the retirement target date. When the Portfolio reaches the landing point, it is expected that the Advisor will recommend that the Board of Directors of the Portfolio approve combining the Portfolio with the Dimensional Retirement Income Fund, another fund managed by the Advisor, which is expected to have approximately the same asset allocation as the Portfolio at that time.

As of February 28, 2024, the Portfolio has a target allocation of 15% to 35% to equity Underlying Funds and a target allocation of approximately 65% to 85% to fixed income Underlying Funds, which may include exposure through those fixed income Underlying Funds to long-term and intermediate-term U.S. Treasury Inflation-Protected Securities (“TIPS”). As of February 28, 2024, the 2015 Target Date Portfolio may invest in: (1) domestic equity Underlying Funds that purchase a broad and diverse portfolio of securities of U.S. operating companies; (2) international equity Underlying Funds that purchase a broad and diverse portfolio of securities of companies in developed and emerging markets; and (3) fixed income Underlying Funds that may purchase U.S. and foreign debt securities such as obligations issued or guaranteed by the U.S. and foreign governments, their agencies and instrumentalities, long-, intermediate- and short-term TIPS, bank obligations, commercial paper, repurchase agreements, money market funds, obligations of other domestic and foreign issuers, securities of domestic and foreign issuers denominated in U.S. dollars but not trading in the United States, obligations of supranational organizations, and inflation-protected securities. The fixed income Underlying Funds primarily invest in securities that are considered investment grade at the time of purchase and which have a range of maturities, including ultra-short, intermediate, and long-term. Certain equity Underlying Funds purchase a broad and diverse group of securities of companies with a greater emphasis on smaller capitalization, lower relative price, and higher profitability companies as compared to their representation in the universe of securities such Underlying Funds invest in. A summary of the investment strategies and policies of the Underlying Funds in which the Portfolio invests as of the date of this Prospectus is described in the Portfolio’s Prospectus in the section entitled “ADDITIONAL INFORMATION ON INVESTMENT OBJECTIVES AND POLICIES.”

The 2015 Target Date Portfolio and each Underlying Fund may purchase or sell futures contracts and options on futures contracts, to adjust market exposure based on actual or expected cash inflows to or outflows from the Portfolio or Underlying Fund. Certain Underlying Funds may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities, to hedge foreign currency risks, to hedge against fluctuations in currency exchange rates or to transfer balances from one currency to another. Certain Underlying Funds also may enter into swaps to hedge against inflation risk associated with certain securities. Certain Underlying Funds also may purchase or sell futures contracts and options on futures contracts, to hedge their interest rate exposure. Also, the Portfolio and the Underlying Funds may lend their portfolio securities to generate additional income.

Principal Risks

Because the value of your investment in the Portfolio will fluctuate, there is the risk that you will lose money. An investment in the Portfolio is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit

9


Insurance Corporation or any other government agency. The following is a description of principal risks of investing in the Portfolio.

Fund of Funds Risk: The investment performance of a fund of funds is affected by the investment performance of the underlying funds in which the fund of funds invests. The ability of a fund of funds to achieve its investment objective depends on the ability of the underlying funds to meet their investment objectives and on the Advisor’s decisions regarding the allocation of a fund of funds’ assets among the underlying funds. A fund of funds may allocate assets to an underlying fund or asset class that underperforms other funds or asset classes. There can be no assurance that the investment objective of a fund of funds or any underlying fund will be achieved. Through its investments in the underlying funds, a fund of funds is subject to the risks of the underlying funds’ investments. When a fund of funds invests in underlying funds, investors are exposed to a proportionate share of the expenses of those underlying funds in addition to the expenses of a fund of funds. Certain risks of the Underlying Funds’ investments that are principal risks of investing in the Portfolio are described below.

Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, political, and issuer-specific events will cause the value of securities, and a fund that owns them, to rise or fall.

Equity Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, market, political, and issuer-specific conditions and events will cause the value of equity securities, and a fund that owns them, to rise or fall. Stock markets are volatile, with periods of rising prices and periods of falling prices.

Foreign Securities and Currencies Risk: Foreign securities prices may decline or fluctuate because of: (a) economic or political actions of foreign governments, and/or (b) less regulated or liquid securities markets. Investors holding these securities may also be exposed to foreign currency risk (the possibility that foreign currency will fluctuate in value against the U.S. dollar or that a foreign government will convert, or be forced to convert, its currency to another currency, changing its value against the U.S. dollar).

Foreign Government Debt Risk: The risk that: (a) the governmental entity that controls the repayment of government debt may not be willing or able to repay the principal and/or to pay the interest when it becomes due, due to factors such as political considerations, the relative size of the governmental entity’s debt position in relation to the economy, cash flow problems, insufficient foreign currency reserves, the failure to put in place economic reforms required by the International Monetary Fund or other multilateral agencies, and/or other national economic factors; (b) governments may default on their debt securities, which may require holders of such securities to participate in debt rescheduling; and (c) there is no legal or bankruptcy process by which defaulted government debt may be collected in whole or in part.

Small and Mid-Cap Company Risk: Securities of small and mid-cap companies are often less liquid than those of large companies and this could make it difficult to sell a small or mid-cap company security at a desired time or price. As a result, small and mid-cap company stocks may fluctuate relatively more in price. In general, small and mid-capitalization companies are also more vulnerable than larger companies to adverse business or economic developments and they may have more limited resources.

Profitability Investment Risk: High relative profitability stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies.

Value Investment Risk: Value stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies. Value stocks can react differently to political, economic, and industry developments than the market as a whole and other types of stocks. Value stocks also may underperform the market for long periods of time.

Emerging Markets Risk: Numerous emerging market countries have a history of, and continue to experience serious, and potentially continuing, economic and political problems. Stock markets in many emerging market countries are relatively small, expensive to trade in and generally have higher risks than those in developed markets. Securities in emerging markets also may be less liquid than those in developed markets and foreigners are often limited in their ability to invest in, and withdraw assets from, these markets. Additional restrictions may be imposed under other conditions. Frontier market countries generally have smaller economies or less developed capital markets and, as a result, the risks of investing in emerging market countries are magnified in frontier market countries.

10


Interest Rate Risk: Fixed income securities are subject to interest rate risk because the prices of fixed income securities tend to move in the opposite direction of interest rates. When interest rates rise, fixed income security prices fall. During periods of very low or negative interest rates, a fund may be subject to a greater risk of rising interest rates. When interest rates fall, fixed income security prices rise. In general, fixed income securities with longer maturities are more sensitive to changes in interest rates.

Credit Risk: Credit risk is the risk that the issuer of a security may be unable to make interest payments and/or repay principal when due. A downgrade to an issuer’s credit rating or a perceived change in an issuer’s financial strength may affect a security’s value, and thus, impact the performance of a fund holding such securities. Government agency obligations have different levels of credit support and, therefore, different degrees of credit risk. Securities issued by agencies and instrumentalities of the U.S. Government that are supported by the full faith and credit of the United States, such as the Federal Housing Administration and Ginnie Mae, present little credit risk. Other securities issued by agencies and instrumentalities sponsored by the U.S. Government, that are supported only by the issuer’s right to borrow from the U.S. Treasury, subject to certain limitations, and securities issued by agencies and instrumentalities sponsored by the U.S. Government that are sponsored by the credit of the issuing agencies, such as Freddie Mac and Fannie Mae, are subject to a greater degree of credit risk. U.S. government agency securities issued or guaranteed by the credit of the agency may still involve a risk of non-payment of principal and/or interest. Credit risk is greater for fixed income securities with ratings below investment grade (e.g., BB+ or below by S&P or Fitch or Ba1 or below by Moody’s).

Risks of Investing for Inflation Protection: Because the interest and/or principal payments on an inflation-protected security are adjusted periodically for changes in inflation, the income distributed by a fund investing in such securities may be irregular. Although the U.S. Treasury guarantees to pay at maturity at least the original face value of any inflation-protected securities the Treasury issues, other issuers may not offer the same guarantee. Inflation-protected securities are not protected against deflation. As a result, in a period of deflation, the principal and income of inflation-protected securities held by a fund will decline and the fund may suffer a loss during such periods. While inflation-protected securities are expected to be protected from long-term inflationary trends, short-term increases in inflation may lead to a decline in the value of a fund holding such securities. For example, if interest rates rise due to reasons other than inflation, a fund’s investment in these securities may not be protected to the extent that the increase is not reflected in the securities’ inflation measures. In addition, positive adjustments to principal generally will result in taxable income to a fund at the time of such adjustments (which generally would be distributed by the fund as part of its taxable dividends), even though the principal amount is not paid until maturity. The current market value of inflation-protected securities is not guaranteed and will fluctuate.

Inflation-Protected Securities Interest Rate Risk: Inflation-protected securities may react differently from other fixed income securities to changes in interest rates. Because interest rates on inflation-protected securities are adjusted for inflation, the values of these securities are not materially affected by inflation expectations. Therefore, the value of inflation-protected securities are anticipated to change in response to changes in “real” interest rates, which represent nominal (stated) interest rates reduced by the expected impact of inflation. Generally, the value of an inflation-protected security will fall when real interest rates rise and will rise when real interest rates fall.

Inflation-Protected Securities Tax Risk: Any increase in the principal amount of an inflation-protected security may be included for tax purposes in a fund’s gross income, even though no cash attributable to such gross income has been received by a fund. In such event, a fund may be required to make annual gross distributions to shareholders that exceed the cash it has otherwise received. In order to pay such distributions, a fund may be required to raise cash by selling its investments. The sale of such investments could result in capital gains to a fund and additional capital gain distributions to shareholders. In addition, adjustments during the taxable year for deflation to an inflation-indexed bond held by a fund may cause amounts previously distributed to shareholders in the taxable year as income to be characterized as a return of capital, which could increase or decrease a fund’s ordinary income distributions to shareholders, and may cause some of a fund’s distributed income to be classified as a return of capital.

Income Risk: Income risk is the risk that falling interest rates will cause a fund’s income to decline because, among other reasons, the proceeds from maturing short-term securities in its portfolio may be reinvested in lower-yielding securities.

Call Risk: Call risk is the risk that during periods of falling interest rates, an issuer will call or repay a higher-yielding fixed income security before its maturity date, forcing a fund to reinvest in fixed income securities with lower interest rates than the original obligations.

11


Derivatives Risk: Derivatives are instruments, such as swaps, futures contracts, and options thereon, and foreign currency forward contracts, whose value is derived from that of other assets, rates or indices. Derivatives can be used for hedging (attempting to reduce risk by offsetting one investment position with another) or non-hedging purposes. Hedging with derivatives may increase expenses, and there is no guarantee that a hedging strategy will work. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains or cause losses if the market moves in a manner different from that anticipated by a fund or if the cost of the derivative outweighs the benefit of the hedge. In regard to currency hedging, it is generally not possible to precisely match the foreign currency exposure of such foreign currency forward contracts to the value of the securities involved due to fluctuations in the market values of such securities and cash flows into and out of a fund between the date a foreign currency forward contract is entered into and the date it expires. The use of derivatives for non-hedging purposes may be considered to carry more risk than other types of investments. When a fund uses derivatives, the fund will be directly exposed to the risks of those derivatives. Derivative instruments are subject to a number of risks including counterparty, settlement, liquidity, interest rate, market, credit and management risks, as well as the risk of improper valuation. Changes in the value of a derivative may not correlate perfectly with the underlying asset, rate or index, and a fund could lose more than the principal amount invested. Additional risks are associated with the use of swaps including counterparty and credit risk (the risk that the other party to a swap agreement will not fulfill its contractual obligations, whether because of bankruptcy or other default) and liquidity risk (the possible lack of a secondary market for the swap agreement). Credit risk increases when a fund is the seller of swaps and counterparty risk increases when the fund is a buyer of swaps. In addition, where a fund is the seller of swaps, it may be required to liquidate portfolio securities at inopportune times in order to meet payment obligations. Swaps may be illiquid or difficult to value.

Liquidity Risk: Liquidity risk exists when particular portfolio investments are difficult to purchase or sell. To the extent that a fund holds illiquid investments, the fund’s performance may be reduced due to an inability to sell the investments at opportune prices or times. Liquid portfolio investments may become illiquid or less liquid after purchase by a fund due to low trading volume, adverse investor perceptions and/or other market developments. Liquidity risk includes the risk that a fund will experience significant net redemptions at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss or at increased costs. Liquidity risk can be more pronounced in periods of market turmoil or in situations where ownership of shares of a fund are concentrated in one or a few investors.

Securities Lending Risk: Securities lending involves the risk that the borrower may fail to return the securities in a timely manner or at all. As a result, a fund may lose money and there may be a delay in recovering the loaned securities. A fund could also lose money if it does not recover the securities and/or the value of the collateral falls, including the value of investments made with cash collateral. Securities lending also may have certain adverse tax consequences.

Operational Risk: Operational risks include human error, changes in personnel, system changes, faults in communication, and failures in systems, technology, or processes. Various operational events or circumstances are outside a fund’s or its advisor’s control, including instances at third parties. A fund and its advisor seek to reduce these operational risks through controls and procedures. However, measures that seek to reduce these operational risks through controls and procedures may not address every possible risk and may be inadequate to address these risks.

Cyber Security Risk: A fund and its service providers’ use of internet, technology and information systems may expose the fund to potential risks linked to cyber security breaches of those technological or information systems. Cyber security breaches, amongst other things, could allow an unauthorized party to gain access to proprietary information, customer data, or fund assets, or cause the fund and/or its service providers to suffer data corruption or lose operational functionality.

Performance

The bar chart and table immediately following illustrate the variability of the Portfolio’s returns and are meant to provide some indication of the risks of investing in the Portfolio. The bar chart shows the changes in the Portfolio’s performance from year to year. The table illustrates how annualized returns for certain periods, both before and after taxes, compare with those of a broad measure of market performance. The table also includes the performance of additional indexes with similar investment universes of the Portfolio, or certain portions of the Portfolio. The

12


Portfolio’s past performance (before and after taxes) is not an indication of future results. Updated performance information for the Portfolio can be obtained by visiting https://www.dimensional.com/us-en/funds.

The after-tax returns presented in the table for the Portfolio are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown in the table. In addition, the after-tax returns shown are not relevant to investors who hold shares of the Portfolio through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.

 

2015 Target Date PortfolioInstitutional Class Shares —Total Returns

PerformanceBarChartData(2016:7.32,2017:9.07,2018:-4.2,2019:14.08,2020:14.3,2021:9.68,2022:-14.74,2023:8.13)

   

January 2016-December 2023

 

Highest Quarter

Lowest Quarter

 

8.25% 2020, Q2

-9.55% 2022, Q2

                 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Annualized Returns (%)
Periods ended December 31, 2023

 

 

 

 

 

 

 

 

 

 

 

 

 

Since

 

 

 

1 Year

 

5 Years

 

Inception

 

2015 Target Date Portfolio

 

 

 

 

 

 

 

 

Return Before Taxes

 

8.13%

 

5.68%

 

4.65%

1

 

Return After Taxes on Distributions

 

6.52%

 

4.04%

 

3.31%

1

 

Return After Taxes on Distributions and Sale of Portfolio Shares

 

5.05%

 

3.88%

 

3.16%

1

Bloomberg U.S. TIPS Index

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

3.90%

 

3.15%

 

2.60%

1

ICE BofA 1-3 Year Global Government Index (hedged to USD)2

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes)

 

4.84%

 

1.48%

 

1.42%

1

S&P Global BMI Index (net dividends)

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

21.32%

 

11.23%

 

8.82%

1

Bloomberg Global Aggregate Bond Index (hedged to USD)3

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

7.15%

 

1.40%

 

1.91%

1

 

 

 

 

 

 

 

 

 

1.

Since inception November 2, 2015.

2.

ICE BofA index data copyright 2023 ICE Data Indices, LLC. Prior to July 1, 2022, index returns reflect no deduction for transaction costs. Effective July 1, 2022, index returns include transaction costs (as determined and calculated by the index provider), which may be higher or lower than the actual transaction costs incurred by the Portfolio.

3.

Effective February 28, 2024, the Portfolio incorporated this broad-based securities market index to reflect the overall applicable securities market of the Portfolio.

13


Investment Advisor/Portfolio Management

Dimensional Fund Advisors LP serves as the investment advisor for the Portfolio. The following individuals are responsible for leading the day-to-day management of the Portfolio:

 Jed S. Fogdall, Global Head of Portfolio Management, Chairman of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Joseph F. Kolerich, Head of Fixed Income, Americas, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 David A. Plecha, Global Head of Fixed Income Portfolio Management, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Allen Pu, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Mary T. Phillips, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2017.

 Ashish P. Bhagwanjee, Vice President and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2020.

Purchase and Redemption of Fund Shares

Investors may purchase or redeem shares of the Portfolio on each day that the New York Stock Exchange is scheduled to be open for business by first contacting the Portfolio’s transfer agent at (888) 576-1167. Shareholders that invest in the Portfolio through a financial intermediary should contact their financial intermediary regarding purchase and redemption procedures. The Portfolio generally is available for investment only by institutional clients, clients of registered investment advisors, clients of financial institutions and a limited number of certain other investors as approved from time to time by the Advisor. All investments are subject to approval of the Advisor.

Tax Information

The dividends and distributions you receive from the Portfolio are taxable and generally will be taxed as ordinary income, capital gains, or some combination of both, unless you are investing through a tax-advantaged arrangement, such as a 401(k) plan or an individual retirement account, in which case distributions may be taxed as ordinary income when withdrawn from the plan or account.

Payments to Financial Intermediaries

If you purchase the Portfolio through a broker-dealer or other financial intermediary (such as a bank), the Portfolio and its related companies may pay the intermediary for the sale of the Portfolio shares and/or related services. These payments may create a conflict of interest by influencing the financial intermediary to recommend the Portfolio over another investment. Ask your financial advisor or visit your financial intermediary’s website for more information.

14


Dimensional 2020 Target Date Retirement Income Fund

Investment Objective

The investment objective of the Dimensional 2020 Target Date Retirement Income Fund (the “2020 Target Date Portfolio” or the “Portfolio”) is to provide total return consistent with the Portfolio’s current asset allocation. Total return is composed of income and capital appreciation.

Fees and Expenses of the Portfolio

This table describes the fees and expenses you may pay if you buy, hold or sell shares of the Portfolio. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.

     

 

 

Shareholder Fees (fees paid directly from your investment): None

 

 

 

 

Annual Fund Operating Expenses (expenses that you pay each
year as a percentage of the value of your investment)

 

 

 

 

Management Fee

None

Other Expenses

0.07%

Acquired Fund Fees & Expenses

0.13%

Total Annual Fund Operating Expenses

0.20%

Expense Reimbursement1

0.01%

Total Annual Fund Operating Expenses After Expense Reimbursement

0.19%

 

   

1

Dimensional Fund Advisors LP (the “Advisor”) has agreed in certain instances to assume certain expenses of the Portfolio. The Expense Assumption Agreement for the Portfolio will remain in effect through February 28, 2025, and may only be terminated by the Fund’s Board of Directors prior to that date. Under certain circumstances, the Advisor retains the right to seek reimbursement for any expenses previously assumed up to thirty-six months after such expense assumption.

EXAMPLE

This Example is meant to help you compare the cost of investing in the Portfolio with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same. The costs for the Portfolio reflect the net expenses of the Portfolio that result from the contractual expense waiver in the first year only. Although your actual costs may be higher or lower, based on these assumptions your costs whether you redeem or hold your shares would be:

       

1 Year

3 Years

5 Years

10 Years

$19

$63

$112

$254

PORTFOLIO TURNOVER

A fund generally pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. The Portfolio does not pay transaction costs when buying and selling shares of other funds managed by the Advisor (the “Underlying Funds”); however, the Underlying Funds pay transaction costs when buying and selling securities for their portfolio. These costs, which are not reflected in Annual Fund Operating

15


Expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio's portfolio turnover rate was 11% based on the weighted average portfolio turnover ratios of each of the Portfolio's underlying investments.

Principal Investment Strategies

The 2020 Target Date Portfolio is designed for an investor currently in retirement. To achieve its investment objective, the Portfolio allocates its assets to other mutual funds managed by Dimensional Fund Advisors LP (the “Advisor”) (i.e., the Underlying Funds) according to an asset allocation strategy designed for investors that retired in or within a few years of 2020 (the target date) and are planning to withdraw the value of the investment in the Portfolio over many years after the target date. Over time, the Portfolio’s allocation to the Underlying Funds is expected to change based on an asset allocation strategy that generally becomes more conservative (reducing its allocation to equity Underlying Funds and increasing its allocation to fixed income Underlying Funds) until reaching the “landing point,” which is 15 years after the target date (i.e., 2035 in the case of the Portfolio), at which time the Portfolio reaches its final static asset allocation. At the final landing point, the Portfolio is expected to reach a final static asset allocation of 15% to 25% of its assets allocated to domestic and international equity Underlying Funds and 75% to 85% of its assets allocated to fixed income Underlying Funds. The asset allocation strategy for the Portfolio reflects the need for reduced equity risk and lower volatility of the inflation-adjusted income the Portfolio may be able to support in retirement in the years beyond the retirement target date. When the Portfolio reaches the landing point, it is expected that the Advisor will recommend that the Board of Directors of the Portfolio approve combining the Portfolio with the Dimensional Retirement Income Fund, another fund managed by the Advisor, which is expected to have approximately the same asset allocation as the Portfolio at that time.

As of February 28, 2024, the 2020 Target Date Portfolio has a target allocation of 15% to 35% to equity Underlying Funds and a target allocation of approximately 65% to 85% to fixed income Underlying Funds, which may include exposure through those fixed income Underlying Funds to long-term and intermediate-term U.S. Treasury Inflation-Protected Securities (“TIPS”). As of February 28, 2024, the Portfolio may invest in: (1) domestic equity Underlying Funds that purchase a broad and diverse portfolio of securities of U.S. operating companies; (2) international equity Underlying Funds that purchase a broad and diverse portfolio of securities of companies in developed and emerging markets; and (3) fixed income Underlying Funds that may purchase U.S. and foreign debt securities such as obligations issued or guaranteed by the U.S. and foreign governments, their agencies and instrumentalities, long-, intermediate- and short-term TIPS, bank obligations, commercial paper, repurchase agreements, money market funds, obligations of other domestic and foreign issuers, securities of domestic and foreign issuers denominated in U.S. dollars but not trading in the United States, obligations of supranational organizations, and inflation-protected securities. The fixed income Underlying Funds primarily invest in securities that are considered investment grade at the time of purchase and which have a range of maturities, including ultra-short, intermediate, and long-term. Certain equity Underlying Funds purchase a broad and diverse group of securities of companies with a greater emphasis on smaller capitalization, lower relative price, and higher profitability companies as compared to their representation in the universe of securities such Underlying Funds invest in. A summary of the investment strategies and policies of the Underlying Funds in which the invests as of the date of this Prospectus is described in the Portfolio’s Prospectus in the section entitled “ADDITIONAL INFORMATION ON INVESTMENT OBJECTIVES AND POLICIES.”

The 2020 Target Date Portfolio and each Underlying Fund may purchase or sell futures contracts and options on futures contracts, to adjust market exposure based on actual or expected cash inflows to or outflows from the Portfolio or Underlying Fund. Certain Underlying Funds may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities, to hedge foreign currency risks, to hedge against fluctuations in currency exchange rates or to transfer balances from one currency to another. Certain Underlying Funds also may enter into swaps to hedge against inflation risk associated with certain securities. Certain Underlying Funds also may purchase or sell futures contracts and options on futures contracts, to hedge their interest rate exposure. Also, the Portfolio and the Underlying Funds may lend their portfolio securities to generate additional income.

Principal Risks

Because the value of your investment in the Portfolio will fluctuate, there is the risk that you will lose money. An investment in the Portfolio is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit

16


Insurance Corporation or any other government agency. The following is a description of principal risks of investing in the Portfolio.

Fund of Funds Risk: The investment performance of a fund of funds is affected by the investment performance of the underlying funds in which the fund of funds invests. The ability of a fund of funds to achieve its investment objective depends on the ability of the underlying funds to meet their investment objectives and on the Advisor’s decisions regarding the allocation of a fund of funds’ assets among the underlying funds. A fund of funds may allocate assets to an underlying fund or asset class that underperforms other funds or asset classes. There can be no assurance that the investment objective of a fund of funds or any underlying fund will be achieved. Through its investments in the underlying funds, a fund of funds is subject to the risks of the underlying funds’ investments. When a fund of funds invests in underlying funds, investors are exposed to a proportionate share of the expenses of those underlying funds in addition to the expenses of a fund of funds. Certain risks of the Underlying Funds’ investments that are principal risks of investing in the Portfolio are described below.

Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, political, and issuer-specific events will cause the value of securities, and a fund that owns them, to rise or fall.

Equity Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, market, political, and issuer-specific conditions and events will cause the value of equity securities, and a fund that owns them, to rise or fall. Stock markets are volatile, with periods of rising prices and periods of falling prices.

Foreign Securities and Currencies Risk: Foreign securities prices may decline or fluctuate because of: (a) economic or political actions of foreign governments, and/or (b) less regulated or liquid securities markets. Investors holding these securities may also be exposed to foreign currency risk (the possibility that foreign currency will fluctuate in value against the U.S. dollar or that a foreign government will convert, or be forced to convert, its currency to another currency, changing its value against the U.S. dollar).

Foreign Government Debt Risk: The risk that: (a) the governmental entity that controls the repayment of government debt may not be willing or able to repay the principal and/or to pay the interest when it becomes due, due to factors such as political considerations, the relative size of the governmental entity’s debt position in relation to the economy, cash flow problems, insufficient foreign currency reserves, the failure to put in place economic reforms required by the International Monetary Fund or other multilateral agencies, and/or other national economic factors; (b) governments may default on their debt securities, which may require holders of such securities to participate in debt rescheduling; and (c) there is no legal or bankruptcy process by which defaulted government debt may be collected in whole or in part.

Small and Mid-Cap Company Risk: Securities of small and mid-cap companies are often less liquid than those of large companies and this could make it difficult to sell a small or mid-cap company security at a desired time or price. As a result, small and mid-cap company stocks may fluctuate relatively more in price. In general, small and mid-capitalization companies are also more vulnerable than larger companies to adverse business or economic developments and they may have more limited resources.

Profitability Investment Risk: High relative profitability stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies.

Value Investment Risk: Value stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies. Value stocks can react differently to political, economic, and industry developments than the market as a whole and other types of stocks. Value stocks also may underperform the market for long periods of time.

Emerging Markets Risk: Numerous emerging market countries have a history of, and continue to experience serious, and potentially continuing, economic and political problems. Stock markets in many emerging market countries are relatively small, expensive to trade in and generally have higher risks than those in developed markets. Securities in emerging markets also may be less liquid than those in developed markets and foreigners are often limited in their ability to invest in, and withdraw assets from, these markets. Additional restrictions may be imposed under other conditions. Frontier market countries generally have smaller economies or less developed capital markets and, as a result, the risks of investing in emerging market countries are magnified in frontier market countries.

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Interest Rate Risk: Fixed income securities are subject to interest rate risk because the prices of fixed income securities tend to move in the opposite direction of interest rates. When interest rates rise, fixed income security prices fall. During periods of very low or negative interest rates, a fund may be subject to a greater risk of rising interest rates. When interest rates fall, fixed income security prices rise. In general, fixed income securities with longer maturities are more sensitive to changes in interest rates.

Credit Risk: Credit risk is the risk that the issuer of a security may be unable to make interest payments and/or repay principal when due. A downgrade to an issuer’s credit rating or a perceived change in an issuer’s financial strength may affect a security’s value, and thus, impact the performance of a fund holding such securities. Government agency obligations have different levels of credit support and, therefore, different degrees of credit risk. Securities issued by agencies and instrumentalities of the U.S. Government that are supported by the full faith and credit of the United States, such as the Federal Housing Administration and Ginnie Mae, present little credit risk. Other securities issued by agencies and instrumentalities sponsored by the U.S. Government, that are supported only by the issuer’s right to borrow from the U.S. Treasury, subject to certain limitations, and securities issued by agencies and instrumentalities sponsored by the U.S. Government that are sponsored by the credit of the issuing agencies, such as Freddie Mac and Fannie Mae, are subject to a greater degree of credit risk. U.S. government agency securities issued or guaranteed by the credit of the agency may still involve a risk of non-payment of principal and/or interest. Credit risk is greater for fixed income securities with ratings below investment grade (e.g., BB+ or below by S&P or Fitch or Ba1 or below by Moody’s).

Risks of Investing for Inflation Protection: Because the interest and/or principal payments on an inflation-protected security are adjusted periodically for changes in inflation, the income distributed by a fund investing in such securities may be irregular. Although the U.S. Treasury guarantees to pay at maturity at least the original face value of any inflation-protected securities the Treasury issues, other issuers may not offer the same guarantee. Inflation-protected securities are not protected against deflation. As a result, in a period of deflation, the principal and income of inflation-protected securities held by a fund will decline and the fund may suffer a loss during such periods. While inflation-protected securities are expected to be protected from long-term inflationary trends, short-term increases in inflation may lead to a decline in the value of a fund holding such securities. For example, if interest rates rise due to reasons other than inflation, a fund’s investment in these securities may not be protected to the extent that the increase is not reflected in the securities’ inflation measures. In addition, positive adjustments to principal generally will result in taxable income to a fund at the time of such adjustments (which generally would be distributed by the fund as part of its taxable dividends), even though the principal amount is not paid until maturity. The current market value of inflation-protected securities is not guaranteed and will fluctuate.

Inflation-Protected Securities Interest Rate Risk: Inflation-protected securities may react differently from other fixed income securities to changes in interest rates. Because interest rates on inflation-protected securities are adjusted for inflation, the values of these securities are not materially affected by inflation expectations. Therefore, the value of inflation-protected securities are anticipated to change in response to changes in “real” interest rates, which represent nominal (stated) interest rates reduced by the expected impact of inflation. Generally, the value of an inflation-protected security will fall when real interest rates rise and will rise when real interest rates fall.

Inflation-Protected Securities Tax Risk: Any increase in the principal amount of an inflation-protected security may be included for tax purposes in a fund’s gross income, even though no cash attributable to such gross income has been received by a fund. In such event, a fund may be required to make annual gross distributions to shareholders that exceed the cash it has otherwise received. In order to pay such distributions, a fund may be required to raise cash by selling its investments. The sale of such investments could result in capital gains to a fund and additional capital gain distributions to shareholders. In addition, adjustments during the taxable year for deflation to an inflation-indexed bond held by a fund may cause amounts previously distributed to shareholders in the taxable year as income to be characterized as a return of capital, which could increase or decrease a fund’s ordinary income distributions to shareholders, and may cause some of a fund’s distributed income to be classified as a return of capital.

Income Risk: Income risk is the risk that falling interest rates will cause a fund’s income to decline because, among other reasons, the proceeds from maturing short-term securities in its portfolio may be reinvested in lower-yielding securities.

Call Risk: Call risk is the risk that during periods of falling interest rates, an issuer will call or repay a higher-yielding fixed income security before its maturity date, forcing a fund to reinvest in fixed income securities with lower interest rates than the original obligations.

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Derivatives Risk: Derivatives are instruments, such as swaps, futures contracts, and options thereon, and foreign currency forward contracts, whose value is derived from that of other assets, rates or indices. Derivatives can be used for hedging (attempting to reduce risk by offsetting one investment position with another) or non-hedging purposes. Hedging with derivatives may increase expenses, and there is no guarantee that a hedging strategy will work. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains or cause losses if the market moves in a manner different from that anticipated by a fund or if the cost of the derivative outweighs the benefit of the hedge. In regard to currency hedging, it is generally not possible to precisely match the foreign currency exposure of such foreign currency forward contracts to the value of the securities involved due to fluctuations in the market values of such securities and cash flows into and out of a fund between the date a foreign currency forward contract is entered into and the date it expires. The use of derivatives for non-hedging purposes may be considered to carry more risk than other types of investments. When a fund uses derivatives, the fund will be directly exposed to the risks of those derivatives. Derivative instruments are subject to a number of risks including counterparty, settlement, liquidity, interest rate, market, credit and management risks, as well as the risk of improper valuation. Changes in the value of a derivative may not correlate perfectly with the underlying asset, rate or index, and a fund could lose more than the principal amount invested. Additional risks are associated with the use of swaps including counterparty and credit risk (the risk that the other party to a swap agreement will not fulfill its contractual obligations, whether because of bankruptcy or other default) and liquidity risk (the possible lack of a secondary market for the swap agreement). Credit risk increases when a fund is the seller of swaps and counterparty risk increases when the fund is a buyer of swaps. In addition, where a fund is the seller of swaps, it may be required to liquidate portfolio securities at inopportune times in order to meet payment obligations. Swaps may be illiquid or difficult to value.

Liquidity Risk: Liquidity risk exists when particular portfolio investments are difficult to purchase or sell. To the extent that a fund holds illiquid investments, the fund’s performance may be reduced due to an inability to sell the investments at opportune prices or times. Liquid portfolio investments may become illiquid or less liquid after purchase by a fund due to low trading volume, adverse investor perceptions and/or other market developments. Liquidity risk includes the risk that a fund will experience significant net redemptions at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss or at increased costs. Liquidity risk can be more pronounced in periods of market turmoil or in situations where ownership of shares of a fund are concentrated in one or a few investors.

Securities Lending Risk: Securities lending involves the risk that the borrower may fail to return the securities in a timely manner or at all. As a result, a fund may lose money and there may be a delay in recovering the loaned securities. A fund could also lose money if it does not recover the securities and/or the value of the collateral falls, including the value of investments made with cash collateral. Securities lending also may have certain adverse tax consequences.

Operational Risk: Operational risks include human error, changes in personnel, system changes, faults in communication, and failures in systems, technology, or processes. Various operational events or circumstances are outside a fund’s or its advisor’s control, including instances at third parties. A fund and its advisor seek to reduce these operational risks through controls and procedures. However, measures that seek to reduce these operational risks through controls and procedures may not address every possible risk and may be inadequate to address these risks.

Cyber Security Risk: A fund and its service providers’ use of internet, technology and information systems may expose the fund to potential risks linked to cyber security breaches of those technological or information systems. Cyber security breaches, amongst other things, could allow an unauthorized party to gain access to proprietary information, customer data, or fund assets, or cause the fund and/or its service providers to suffer data corruption or lose operational functionality.

Performance

The bar chart and table immediately following illustrate the variability of the Portfolio’s returns and are meant to provide some indication of the risks of investing in the Portfolio. The bar chart shows the changes in the Portfolio’s performance from year to year. The table illustrates how annualized returns for certain periods, both before and after taxes, compare with those of a broad measure of market performance. The table also includes the performance of additional indexes with similar investment universes of the Portfolio, or certain portions of the Portfolio. The

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Portfolio’s past performance (before and after taxes) is not an indication of future results. Updated performance information for the Portfolio can be obtained by visiting https://www.dimensional.com/us-en/funds.

The after-tax returns presented in the table for the Portfolio are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown in the table. In addition, the after-tax returns shown are not relevant to investors who hold shares of the Portfolio through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.

 

2020 Target Date PortfolioInstitutional Class Shares —Total Returns

PerformanceBarChartData(2016:8.48,2017:11.15,2018:-5.17,2019:15.62,2020:16.14,2021:10.1,2022:-17.6,2023:7.65)

   

January 2016-December 2023

 

Highest Quarter

Lowest Quarter

 

8.41% 2020, Q2

-10.99% 2022, Q2

                 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Annualized Returns (%)
Periods ended December 31, 2023

 

 

 

 

 

 

 

 

 

 

 

 

 

Since

 

 

 

1 Year

 

5 Years

 

Inception

 

2020 Target Date Portfolio

 

 

 

 

 

 

 

 

Return Before Taxes

 

7.65%

 

5.57%

 

4.80%

1

 

Return After Taxes on Distributions

 

6.17%

 

3.88%

 

3.42%

1

 

Return After Taxes on Distributions and Sale of Portfolio Shares

 

4.61%

 

3.80%

 

3.29%

1

Bloomberg U.S. TIPS Index

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

3.90%

 

3.15%

 

2.60%

1

ICE BofA 1-3 Year Global Government Index (hedged to USD)2

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes)

 

4.84%

 

1.48%

 

1.42%

1

S&P Global BMI Index (net dividends)

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

21.32%

 

11.23%

 

8.82%

1

Bloomberg Global Aggregate Bond Index (hedged to USD)3

 

 

 

 

 

 

 

(reflects no deduction for fees, expenses or taxes on sales)

 

7.15%

 

1.40%

 

1.91%

1

 

 

 

 

 

 

 

 

 

1.

Since inception November 2, 2015.

2.

ICE BofA index data copyright 2023 ICE Data Indices, LLC. Prior to July 1, 2022, index returns reflect no deduction for transaction costs. Effective July 1, 2022, index returns include transaction costs (as determined and calculated by the index provider), which may be higher or lower than the actual transaction costs incurred by the Portfolio.

3.

Effective February 28, 2024, the Portfolio incorporated this broad-based securities market index to reflect the overall applicable securities market of the Portfolio.

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Investment Advisor/Portfolio Management

Dimensional Fund Advisors LP serves as the investment advisor for the Portfolio. The following individuals are responsible for leading the day-to-day management of the Portfolio:

 Jed S. Fogdall, Global Head of Portfolio Management, Chairman of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Joseph F. Kolerich, Head of Fixed Income, Americas, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 David A. Plecha, Global Head of Fixed Income Portfolio Management, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Allen Pu, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2015).

 Mary T. Phillips, Deputy Head of Portfolio Management, North America, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2017.

 Ashish P. Bhagwanjee, Vice President and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2020.

Purchase and Redemption of Fund Shares

Investors may purchase or redeem shares of the Portfolio on each day that the New York Stock Exchange is scheduled to be open for business by first contacting the Portfolio’s transfer agent at (888) 576-1167. Shareholders that invest in the Portfolio through a financial intermediary should contact their financial intermediary regarding purchase and redemption procedures. The Portfolio generally is available for investment only by institutional clients, clients of registered investment advisors, clients of financial institutions and a limited number of certain other investors as approved from time to time by the Advisor. All investments are subject to approval of the Advisor.

Tax Information

The dividends and distributions you receive from the Portfolio are taxable and generally will be taxed as ordinary income, capital gains, or some combination of both, unless you are investing through a tax-advantaged arrangement, such as a 401(k) plan or an individual retirement account, in which case distributions may be taxed as ordinary income when withdrawn from the plan or account.

Payments to Financial Intermediaries

If you purchase the Portfolio through a broker-dealer or other financial intermediary (such as a bank), the Portfolio and its related companies may pay the intermediary for the sale of the Portfolio shares and/or related services. These payments may create a conflict of interest by influencing the financial intermediary to recommend the Portfolio over another investment. Ask your financial advisor or visit your financial intermediary’s website for more information.

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Additional Information on Investment Objectives and Policies

DFA Investment Dimensions Group Inc. (“DFAIDG”) offers a variety of investment portfolios. Each of the investment company’s portfolios has its own investment objective and is the equivalent of a separate mutual fund. Institutional Class shares of Dimensional 2010 Target Date Retirement Income Fund, Dimensional 2015 Target Date Retirement Income Fund and Dimensional 2020 Target Date Retirement Income Fund (each a “Portfolio” and together, the “Portfolios”) are offered in this Prospectus. Each Portfolio is designed for long-term investors.

The investment objective of each Portfolio is to seek to provide total return consistent with the Portfolio’s current asset allocation. Total return is composed of income and capital appreciation.

The Portfolios are designed to make it easier for investors, whose retirement date is at or around a fund’s stated target date as indicated by the Portfolio’s name, to hold a diversified portfolio of global equity and fixed income assets that is rebalanced automatically over time based on an asset allocation strategy designed by the Advisor.

An investment in a Portfolio is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government entity. As with any investment, there is the risk that you will lose money, including at and after the target date. The Portfolios do not provide guaranteed income or payouts, nor can they ensure that you will have assets in your account sufficient to cover your retirement expenses or that you will have enough saved to be able to retire in the target year identified in the Portfolio’s name. Investment in a Portfolio does not eliminate the need for you to decide, before investing and from time to time thereafter, whether the Portfolio fits your financial situation. Even if you plan to retire in a specific year, you may decide, based on your investment objectives, tolerance for risk, other savings plans, and other assets, that another Portfolio within the fund family is more appropriate for you.

Each Portfolio is a “fund of funds” that seeks to achieve its investment objective by primarily investing in other funds managed by the Advisor. The portfolios of DFAIDG and Dimensional Investment Group Inc. (“DIG,” which is collectively referred to herein with DFAIDG as the "Fund”) in which the Portfolios may invest (the "Underlying Funds”) include:

Domestic Equity Underlying Funds—U.S. Large Company Portfolio and U.S. Core Equity 1 Portfolio

International Equity Underlying Funds—Large Cap International Portfolio, International Core Equity Portfolio and Emerging Markets Core Equity Portfolio

Fixed Income Underlying Funds—DFA One-Year Fixed Income Portfolio, DFA Inflation-Protected Securities Portfolio and DFA LTIP Portfolio

The Advisor allocates each Portfolio’s assets among the Underlying Funds based on its investment objectives and policies. The Advisor may change the selection of Underlying Funds or the allocation to the Underlying Funds at any time without notice to investors.

In attempting to respond to adverse market, economic, political, or other conditions, a Portfolio or an Underlying Fund may, from time to time, invest its assets in a temporary defensive manner that is inconsistent with the Portfolio’s or Underlying Fund’s principal investment strategies. In these circumstances, the Portfolio or Underlying Fund may be unable to achieve its investment objective.

ASSET ALLOCATION STRATEGY

The Portfolios offer investors access to a single fund whose asset allocation changes over time based on a glide path designed by the Advisor. The glide path is intended to guide the Portfolios’ asset allocations towards becoming more conservative as investors reach retirement and beyond. The target date identified in each Portfolio’s name represents the approximate year an investor in the Portfolio retired. Under normal circumstances, each Portfolio will seek to achieve an asset allocation consistent with the Portfolio’s position on the asset allocation glide path (described below), by investing in Underlying Funds representing various asset classes. Over time, a Portfolio’s allocation to Underlying Funds in the various asset classes will change based on the asset allocation glide path and the relative performance of the Underlying Funds. Each Portfolio will invest in an allocation of Domestic Equity

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Underlying Funds and International Equity Underlying Funds (together, the “Global Equity Underlying Funds”) in combination with Fixed Income Underlying Funds and is expected to change its allocation over time to have a lower allocation to Global Equity Underlying Funds and a higher allocation to Fixed Income Underlying Funds as it moves beyond the target date, ultimately reaching a final static allocation approximately 15 years after the target date (also known as the “landing point”).

Each Portfolio described in this Prospectus will allocate 15% to 35% of its assets to Global Equity Underlying Funds and 65% to 85% of its assets to Fixed Income Underlying Funds until 15 years past retirement when the Portfolio is expected to reach its final static asset allocation (also known as the “landing point”) of 15% to 25% of its assets allocated to Global Equity Underlying Funds and 75% to 85% of its assets allocated to Fixed Income Underlying Funds. The Fixed Income Underlying Funds utilized by each Portfolio described in this Prospectus will invest primarily in long- and intermediate-term TIPS and ultra short-term obligations. When a Portfolio reaches the landing point (in 2025 for the 2010 Target Date Portfolio, 2030 for the 2015 Target Date Portfolio and in 2035 for the 2020 Target Date Portfolio), it is expected that the Advisor will recommend that the Board of Directors of the Portfolio approve combining the Portfolio with the Dimensional Retirement Income Fund, another fund managed by the Advisor, which is expected to have approximately the same asset allocation as the Portfolio at that time.

As each Portfolio nears its landing point, the duration of a Portfolio’s TIPS exposure is expected to shorten and the Portfolio is expected to increase allocations to Fixed Income Underlying Funds that invest in ultra short-term obligations, the valuation of which are generally less impacted by expectations regarding inflation.

The asset allocation glide path was designed with an average investor in mind and may or may not provide the asset allocation that is suited for individual investor preferences. If an investor wanted to take on more or less equity risk, for example, the investor could do so by selecting a Portfolio with a target date later (i.e., more risk) or earlier (i.e., less risk) than the investor’s retirement date or by allocating assets to other investments.

INVESTMENT TERMS USED IN THE PROSPECTUS

Below are the definitions of some terms that the Advisor uses to describe the investment strategies for certain Underlying Funds.

Free Float generally describes the number of publicly traded shares of a company.

Price Momentum generally describes the tendency for stocks that have outperformed their peers to continue outperforming, and the similar tendency for stocks that have underperformed their peers to continue underperforming.

Short-Run Reversals generally describes the tendency for stocks that have recently outperformed their peers to underperform in the short run, and the similar tendency for stocks that have recently underperformed their peers to outperform in the short run.

Trading Strategies generally refers to the ability to execute purchases and sales of stocks in a cost-effective manner.

Profitability generally measures a company’s profit in relation to its book value or assets.

INVESTMENTS IN UNDERLYING FUNDS

Investment Strategies of the Underlying Funds

U.S. Large Company Portfolio—The U.S. Large Company Portfolio generally invests in the stocks that comprise the S&P 500® Index in approximately the proportions they are represented in the S&P 500® Index. The S&P 500® Index comprises a broad and diverse group of stocks. Generally, these are the U.S. stocks with the largest market capitalizations and, as a group, they generally represent approximately 80% of the total market capitalization of all publicly traded U.S. stocks. For the U.S. Large Company Portfolio, the Advisor considers the stocks that comprise the S&P 500® Index to be those of large companies. Under normal market conditions, at least 95% of the U.S. Large Company Portfolio’s net assets will be invested in the stocks that comprise the S&P 500® Index. As a non-fundamental policy, under normal circumstances, the U.S. Large Company Portfolio will invest at least 80% of its net assets in securities of large U.S. companies.

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Ordinarily, portfolio companies will not be sold except to reflect additions or deletions of the companies that comprise the S&P 500® Index, including as a result of mergers, reorganizations and similar transactions and, to the extent necessary, to provide cash to pay redemptions of the U.S. Large Company Portfolio’s shares. Given the impact on prices of securities affected by the reconstitution of the S&P 500® Index around the time of a reconstitution date, the U.S. Large Company Portfolio may purchase or sell securities that may be impacted by the reconstitution before or after the reconstitution date of the S&P 500® Index.

About the S&P 500® Index: The Standard & Poor’s 500 Composite Stock Price Index® is market capitalization weighted (adjusted for free float). Its performance is usually cyclical because it reflects periods when stock prices generally rise or fall. For information concerning S&P Global Ratings, a division of The McGraw Hill Companies (“S&P”), and disclaimers of S&P with respect to the U.S. Large Company Portfolio, see “Standard & Poor’s—Information and Disclaimers” in the Portfolio’s SAI.

U.S. Core Equity 1 Portfolio—The investment objective of the U.S. Core Equity 1 Portfolio is to achieve long-term capital appreciation. The Portfolio is designed to purchase a broad and diverse group of equity securities of U.S. companies. The Portfolio invests in companies of all sizes, with increased exposure to smaller capitalization, lower relative price, and higher profitability companies as compared to their representation in the U.S. Universe. The Advisor generally defines the U.S. Universe as a market capitalization weighted set (e.g., the larger the company, the greater the proportion of the U.S. Universe it represents) of U.S. operating companies listed on a securities exchange in the United States that is deemed appropriate by the Advisor. The Portfolio’s increased exposure to smaller capitalization, lower relative price, and higher profitability companies may be achieved by decreasing the allocation of the Portfolio’s assets to larger capitalization, higher relative price, or lower profitability companies relative to their weight in the U.S. Universe. An equity issuer is considered to have a high relative price (i.e., a growth stock) primarily because it has a high price in relation to its book value. An equity issuer is considered to have a low relative price (i.e., a value stock) primarily because it has a low price in relation to its book value. In assessing relative price, the Advisor may consider additional factors such as price to cash flow or price to earnings ratios. An equity issuer is considered to have high profitability because it has high earnings or profits from operations in relation to its book value or assets. The criteria the Advisor uses for assessing relative price and profitability are subject to change from time to time.

The percentage allocation of the assets of the U.S. Core Equity 1 Portfolio to securities of the largest U.S. high relative price companies as defined above will generally be reduced from between 2.5% and 25% of their percentage weight in the U.S. Universe. For example, as of December 31, 2023, securities of the largest U.S. high relative price companies comprised 49% of the U.S. Universe and the Advisor allocated approximately 40% of the U.S. Core Equity 1 Portfolio to securities of the largest U.S. high relative price companies. The percentage by which the U.S. Core Equity 1 Portfolio’s allocation to securities of the largest U.S. high relative price companies is reduced will change due to market movements.

The Advisor may also increase or reduce the U.S. Core Equity 1 Portfolio’s exposure to an eligible company, or exclude a company, based on shorter-term considerations, such as a company’s price momentum, short-run reversals, and investment characteristics. In assessing a company’s investment characteristics, the Advisor considers ratios such as recent changes in assets divided by total assets. The criteria the Advisor uses for assessing a company’s investment characteristics are subject to change from time to time. In addition, the Advisor seeks to reduce trading costs using a flexible trading approach that looks for opportunities to participate in the available market liquidity, while managing turnover and explicit transaction costs.

Large Cap International Portfolio—The Large Cap International Portfolio is designed to purchase securities of large non-U.S. companies in countries or regions designated by the Advisor as an approved market for investment. The Advisor may consider a company’s size, relative price, and/or profitability relative to other eligible companies when making investment decisions for the Large Cap International Portfolio. An equity issuer is considered to have a low relative price (i.e., a value stock) primarily because it has a low price in relation to its book value. In assessing relative price the Advisor may consider additional factors such as price to cash flow or price to earnings ratios. An equity issuer is considered to have high profitability because it has high earnings or profits from operations in relation to its book value or assets. The criteria the Advisor uses for assessing relative price and profitability are subject to change from time to time. The Advisor will seek to set country weights based on the relative adjusted market capitalizations of eligible large companies within each eligible country.

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The Large Cap International Portfolio intends to purchase securities of large non-U.S. companies associated with developed market countries that the Advisor has designated as approved markets. The Advisor determines the minimum market capitalization of a large company with respect to each country or region in which the Portfolio invests. Based on market capitalization data as of December 31, 2023, for the Large Cap International Portfolio, the market capitalization of a large company in any country or region in which the Large Cap International Portfolio invests would be $1,457 million or above. This threshold will change due to market conditions. The Large Cap International Portfolio also may purchase or sell futures contracts and options on futures contracts for foreign or U.S. equity securities and indices, to increase or decrease equity market exposure based on actual or expected cash inflows to or outflows from the Portfolio. Because many of the Portfolio’s investments may be denominated in foreign currencies, the Portfolio may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities or to transfer cash balances from one currency to another currency.

The Advisor may also increase or reduce the Large Cap International Portfolio’s exposure to an eligible company, or exclude a company, based on shorter-term considerations, such as a company’s price momentum or short-run reversals. In addition, the Advisor seeks to reduce trading costs using a flexible trading approach that looks for opportunities to participate in the available market liquidity, while managing turnover and explicit transaction costs.

International Core Equity Portfolio—The investment objective of the International Core Equity Portfolio is to achieve long-term capital appreciation. The International Core Equity Portfolio is designed to purchase a broad and diverse group of equity securities of non-U.S. companies in developed markets. The Portfolio invests in companies of all sizes, with increased exposure to smaller capitalization, lower relative price, and higher profitability companies as compared to their representation in the International Universe. For purposes of this Portfolio, the Advisor defines the International Universe as a market capitalization weighted set (e.g., the larger the company, the greater the proportion of the International Universe it represents) of non-U.S. companies in developed markets that have been authorized as approved markets for investment by the Advisor’s Investment Committee. The Portfolio’s increased exposure to smaller capitalization, lower relative price, and higher profitability companies may be achieved by decreasing the allocation of the Portfolio’s assets to larger capitalization, higher relative price, or lower profitability companies relative to their weight in the International Universe. An equity issuer is considered to have a high relative price (i.e., a growth stock) primarily because it has a high price in relation to its book value. An equity issuer is considered to have a low relative price (i.e., a value stock) primarily because it has a low price in relation to its book value. In assessing relative price, the Advisor may consider additional factors such as price to cash flow or price to earnings ratios. An equity issuer is considered to have high profitability because it has high earnings or profits from operations in relation to its book value or assets. The criteria the Advisor uses for assessing relative price and profitability are subject to change from time to time.

The International Core Equity Portfolio intends to purchase securities of companies associated with developed market countries that the Advisor has designated as approved markets. As a non-fundamental policy, under normal circumstances, the Portfolio will invest at least 80% of its net assets in equity securities. The Advisor determines company size on a country or region specific basis and based primarily on market capitalization. The percentage allocation of the assets of the Portfolio to securities of the largest high relative price companies will generally be reduced from between 5% and 35% of their percentage weight in the International Universe. As of December 31, 2023, securities of the largest high relative price companies in the International Universe comprised approximately 16% of the International Universe and the Advisor allocated approximately 7% of the Portfolio to securities of the largest high relative price companies in the International Universe. The percentage by which the Portfolio’s allocation to securities of the largest high relative price companies is reduced will change due to market movements and other factors.

The International Core Equity Portfolio may purchase or sell futures contracts and options on futures contracts for foreign or U.S. equity securities and indices, to increase or decrease equity market exposure based on actual or expected cash inflows to or outflows from the Portfolio. Because many of the Portfolio’s investments may be denominated in foreign currencies, the Portfolio may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities or to transfer cash balances from one currency to another currency.

The Advisor may also increase or reduce the International Core Equity Portfolio’s exposure to an eligible company, or exclude a company, based on shorter-term considerations, such as a company’s price momentum, short-run reversals, and investment characteristics. In assessing a company’s investment characteristics, the Advisor considers

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ratios such as recent changes in assets divided by total assets. The criteria the Advisor uses for assessing a company’s investment characteristics are subject to change from time to time. In addition, the Advisor seeks to reduce trading costs using a flexible trading approach that looks for opportunities to participate in the available market liquidity, while managing turnover and explicit transaction costs.

Emerging Markets Core Equity Portfolio—The investment objective of the Emerging Markets Core Equity Portfolio is to achieve long-term capital appreciation. The Emerging Markets Core Equity Portfolio is designed to purchase a broad and diverse group of equity securities associated with emerging markets, which may include frontier markets (emerging market countries in an earlier stage of development), authorized for investment by the Advisor’s Investment Committee (“Approved Markets”). The Portfolio invests in companies of all sizes, with increased exposure to smaller capitalization, lower relative price, and higher profitability companies. The Portfolio’s increased exposure to smaller capitalization, lower relative price, and higher profitability companies may be achieved by decreasing the allocation of the Portfolio’s assets to larger capitalization, higher relative price, or lower profitability companies. An equity issuer is considered to have a high relative price (i.e., a growth stock) primarily because it has a high price in relation to its book value. An equity issuer is considered to have a low relative price (i.e., a value stock) primarily because it has a low price in relation to its book value. In assessing relative price, the Advisor may consider additional factors such as price to cash flow or price to earnings ratios. An equity issuer is considered to have high profitability because it has high earnings or profits from operations in relation to its book value or assets. The criteria the Advisor uses for assessing relative price and profitability are subject to change from time to time.

The Emerging Markets Core Equity Portfolio may purchase or sell futures contracts and options on futures contracts for Approved Market or other equity market securities and indices, including those of the United States, to increase or decrease equity market exposure based on actual or expected cash inflows to or outflows from the Portfolio. Because many of the Portfolio’s investments may be denominated in foreign currencies, the Portfolio may enter into foreign currency exchange transactions, including foreign currency forward contracts, in connection with the settlement of foreign securities or to transfer cash balances from one currency to another currency.

The Advisor may also increase or reduce the Emerging Markets Core Equity Portfolio’s exposure to an eligible company, or exclude a company, based on shorter-term considerations, such as a company’s price momentum, short-run reversals, and investment characteristics. In assessing a company’s investment characteristics, the Advisor considers ratios such as recent changes in assets divided by total assets. The criteria the Advisor uses for assessing a company’s investment characteristics are subject to change from time to time. In addition, the Advisor seeks to reduce trading costs using a flexible trading approach that looks for opportunities to participate in the available market liquidity, while managing turnover and explicit transaction costs.

The Emerging Markets Core Equity Portfolio may also invest in China A-shares (equity securities of companies listed in China) that are accessible through the Shanghai-Hong Kong Stock Connect program or the Shenzhen-Hong Kong Stock Connect program (together “Stock Connect”) and variable interest entities (special structures that utilize contractual arrangements to provide exposure to certain Chinese companies).

Approved Markets for International Underlying Funds.

As of the date of this Prospectus, the International Core Equity Portfolio and Large Cap International Portfolio may invest in the stocks of companies associated with the following countries designated by the Advisor as Approved Markets: Australia, Austria, Belgium, Canada, Denmark, Finland, France, Germany, Hong Kong, Ireland, Israel, Italy, Japan, the Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden, Switzerland and the United Kingdom. The Emerging Markets Core Equity Portfolio, as of the date of this Prospectus, may invest in the following emerging markets countries that are designated by the Advisor as Approved Markets: Brazil, Chile, China, Colombia, Czech Republic, Egypt, Greece, Hungary, India, Indonesia, Kuwait, Malaysia, Mexico, the Philippines, Peru, Poland, Qatar, Saudi Arabia, South Africa, South Korea, Taiwan, Thailand, Turkey and United Arab Emirates. The Advisor will determine, in its discretion, when and whether to invest in countries that have been authorized as Approved Markets for the International Core Equity Portfolio, Large Cap International Portfolio, and Emerging Markets Core Equity Portfolio (each an “International Underlying Fund,” and together, the “International Underlying Funds”), depending on a number of factors, including, but not limited to, asset growth in the Underlying Fund, constraints imposed in Approved Markets, and other characteristics of each country’s markets. The Investment Committee of the Advisor also may authorize other markets for investment in the future, in addition to the Approved Markets identified above, or may remove one or more markets from the list of Approved Markets for an Underlying Fund. Although the Advisor does not intend to purchase securities not associated with an Approved Market, an

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Underlying Fund may acquire such securities in connection with corporate actions or other reorganizations or transactions with respect to securities that are held by the Underlying Fund from time to time. Also, an Underlying Fund may continue to hold investments in countries that are not currently designated as Approved Markets, but had been authorized for investment in the past, and may reinvest distributions received in connection with such existing investments in such previously Approved Markets.

The International Underlying Funds invest in securities of Approved Markets (as identified above) listed on bona fide securities exchanges or traded on the over-the-counter markets. These exchanges or over-the-counter markets may be either within or outside the issuer’s domicile country. For example, the securities may be listed or traded in the form of European Depositary Receipts (“EDRs”), Global Depositary Receipts (“GDRs”), American Depositary Receipts (“ADRs”), or other types of depositary receipts (including nonvoting depositary receipts) or may be listed on bona fide securities exchanges in more than one country. An International Underlying Fund will consider for purchase securities that are associated with an Approved Market (“Approved Market Securities”). Approved Market Securities are: (a) securities of companies that are organized under the laws of, or maintain their principal place of business in, an Approved Market; (b) securities for which the principal trading market is in an Approved Market; (c) securities issued or guaranteed by the government of an Approved Market, its agencies or instrumentalities, or the central bank of such country or territory; (d) securities of companies that derive at least 50% of their revenues or profits from goods produced or sold, investments made, or services performed in Approved Markets or have at least 50% of their assets in Approved Markets; (e) securities included in the International Underlying Fund’s benchmark index, which tracks Approved Markets; or (f) depositary shares of companies associated with Approved Markets under the criteria above. Securities of Approved Markets may include securities of companies that have characteristics and business relationships common to companies in other countries or regions. As a result, the value of the securities of such companies may reflect economic and market forces in such other countries or regions as well as in the Approved Markets. The Advisor, however, will select only those companies that, in its view, have sufficiently strong exposure to economic and market forces in Approved Markets that satisfy the criteria described above. The International Underlying Funds also may obtain exposure to Approved Market Securities by investing in derivative instruments that derive their value from Approved Market Securities, or by investing in securities of pooled investment vehicles that invest at least 80% of their assets in Approved Market Securities.

DFA One-Year Fixed Income Portfolio—The DFA One-Year Fixed Income Portfolio (the “One-Year Portfolio”) seeks to achieve a stable real return in excess of the rate of inflation with a minimum of risk by generally investing in a universe of high quality fixed income securities that typically mature in one year or less from the date of settlement. The Portfolio may, however, take a large position in securities maturing within two years from the date of settlement when higher yields are available. The One-Year Portfolio invests in U.S. government obligations, U.S. government agency obligations, dollar-denominated obligations of foreign issuers issued in the U.S., securities of domestic or foreign issuers denominated in U.S. dollars but not trading in the U.S., foreign government and agency obligations, bank obligations, including U.S. subsidiaries and branches of foreign banks, corporate obligations, commercial paper, repurchase agreements, money market funds and obligations of supranational organizations. The fixed income securities in which the One-Year Portfolio invests are considered investment grade at the time of purchase (e.g., rated AAA to BBB- by S&P or Fitch or Aaa to Baa3 by Moody's). As a non-fundamental policy, under normal circumstances, the Portfolio will invest at least 80% of its net assets in fixed income securities and maintain a weighted average maturity that will not exceed one year. The Portfolio principally invests in certificates of deposit, commercial paper, bankers’ acceptances, notes and bonds. In addition, the Portfolio is authorized to invest more than 25% of its total assets in U.S. Treasury bonds, bills and notes, and obligations of federal agencies and instrumentalities.

The One-Year Portfolio may purchase or sell futures contracts and options on futures contracts, to hedge its interest rate exposure or for non-hedging purposes, such as a substitute for direct investment or to increase or decrease market exposure based on actual or expected cash inflows to or outflows from the Portfolio.

DFA Inflation-Protected Securities Portfolio—The DFA Inflation-Protected Securities Portfolio (the “Inflation-Protected Portfolio”) seeks its investment objective by investing in a universe of inflation-protected securities that are structured to provide returns linked to the rate of inflation over the long-term. The Portfolio ordinarily invests in inflation-protected securities issued by the U.S. government and its agencies and instrumentalities and the credit quality of such inflation-protected securities will be that of such applicable U.S. government, agency or instrumentality issuer.

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As a non-fundamental policy, under normal circumstances, the Inflation-Protected Portfolio will invest at least 80% of its net assets in inflation-protected securities. Inflation-protected securities (also known as inflation-indexed securities) are securities whose principal and/or interest payments are adjusted for inflation, unlike conventional debt securities that make fixed principal and interest payments. Inflation-protected securities include Treasury Inflation-Protected Securities (“TIPS”), which are securities issued by the U.S. Treasury. The principal value of TIPS is adjusted for inflation (payable at maturity) and the semi-annual interest payments by TIPS equal a fixed percentage of the inflation-adjusted principal amount. These inflation adjustments are based upon the Consumer Price Index for Urban Consumers (CPI-U). The original principal value of TIPS is guaranteed. At maturity, TIPS are redeemed at the greater of their inflation-adjusted principal or par amount at original issue. Other types of inflation-protected securities may use other methods to adjust for inflation and other measures of inflation. In addition, inflation-protected securities issued by entities other than the U.S. Treasury may not provide a guarantee of principal value at maturity.

Generally, the Inflation-Protected Portfolio will purchase inflation-protected securities with maturities between five and twenty years from the date of settlement, although at times, the Portfolio may purchase securities outside of this range. Under normal circumstances, when determining its duration, the Portfolio will consider a weighted average duration similar to the Bloomberg U.S. TIPS Index, which was approximately 6.57 years as of December 31, 2023. Duration is a measure of the sensitivity of a security’s price to changes in interest rates. The longer a security’s duration, the more sensitive it will be to changes in interest rates.

The Inflation-Protected Portfolio is authorized to invest more than 25% of its total assets in U.S. Treasury bonds, bills and notes and obligations of U.S. government agencies and instrumentalities. The Portfolio may also invest in money market funds. The Portfolio will not shift the maturity of its investments in anticipation of interest rate movements.

The Inflation-Protected Portfolio may purchase or sell futures contracts and options on futures contracts, to hedge its interest rate exposure or for non-hedging purposes, such as a substitute for direct investment or to increase or decrease market exposure based on actual or expected cash inflows to or outflows from the Portfolio.

DFA LTIP Portfolio—The DFA LTIP Portfolio seeks its investment objective by generally investing in a universe of long-term fixed income securities structured to provide protection against inflation. The DFA LTIP Portfolio may invest in inflation-protected securities issued by the U.S. Government and its agencies and instrumentalities. The DFA LTIP Portfolio also may invest in inflation-protected securities of other investment grade issuers (e.g., rated AAA to BBB- by S&P or Fitch or Aaa to Baa3 by Moody's) including foreign governments and U.S. and non-U.S. corporations. The fixed income securities in which the DFA LTIP Portfolio invests are considered investment grade at the time of purchase (e.g., rated AAA to BBB- by S&P or Fitch or Aaa to Baa3 by Moody’s).

Inflation-protected securities (also known as inflation-indexed securities) are securities whose principal and/or interest payments are adjusted for inflation, unlike conventional debt securities that make fixed principal and interest payments. Inflation-protected securities include Treasury Inflation-Protected Securities (“TIPS”), which are securities issued by the U.S. Treasury. The principal value of TIPS is adjusted for inflation (payable at maturity) and the semi-annual interest payments by TIPS equal a fixed percentage of the inflation-adjusted principal amount. These inflation adjustments are based upon the Consumer Price Index for Urban Consumers (CPI-U). The original principal value of TIPS is guaranteed. At maturity, TIPS are redeemed at the greater of their inflation-adjusted principal or par amount at original issue. Other types of inflation-protected securities may use other methods to adjust for inflation and other measures of inflation. In addition, inflation-protected securities issued by entities other than the U.S. Treasury may not provide a guarantee of principal value at maturity.

Generally, the DFA LTIP Portfolio will purchase long-term fixed income securities with maturities greater than ten years from the date of settlement, although at times, the DFA LTIP Portfolio may purchase securities with shorter maturities. The DFA LTIP Portfolio ordinarily will have a weighted average maturity, based upon market values, of greater than ten years. The DFA LTIP Portfolio also may invest in securities issued by the U.S. Government and its agencies and instrumentalities and other investment grade issuers that do not provide inflation protection while attempting to protect for inflation by engaging in swaps, futures or other derivatives to hedge against the inflation risk associated with such securities. As a non-fundamental policy, under normal circumstances, at least 80% of the DFA LTIP Portfolio’s net assets will be invested in fixed income securities.

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DESCRIPTION OF INVESTMENTS OF THE FIXED INCOME UNDERLYING FUNDS

The following is a description of the categories of investments that may be acquired by the Fixed Income Underlying Funds.

     

 

Permissible Categories:

One-Year Portfolio

1-11

 

Inflation-Protected Portfolio

1,2,6,11

 

DFA LTIP Portfolio

1-11

 

1.  U.S. Government Obligations—Debt securities issued by the U.S. Treasury that are direct obligations of the U.S. Government, including bills, notes and bonds. These securities may also be purchased on a “when-issued” basis.

2.  U.S. Government Agency Obligations—Issued or guaranteed by U.S. government-sponsored instrumentalities and federal agencies, which have different levels of credit support. The U.S. government agency obligations include, but are not limited to, securities issued by agencies and instrumentalities of the U.S. Government that are supported by the full faith and credit of the United States, such as the Federal Housing Administration and Ginnie Mae, including Ginnie Mae mortgage pass-through securities. Other securities issued by agencies and instrumentalities sponsored by the U.S. Government may be supported only by the issuer’s right to borrow from the U.S. Treasury, subject to certain limits, such as securities issued by Federal Home Loan Banks, or are supported only by the credit of such agencies, such as Freddie Mac and Fannie Mae, including their mortgage pass-through securities. These securities may also be purchased on a delayed delivery or forward commitment basis through the “to-be-announced” (TBA) market, such as mortgage TBAs.

3.    Corporate Debt Obligations—

       (a)   One-Year Portfolio—Corporate debt securities (e.g., bonds, debentures, and secured bonds, including covered bonds), which are rated Aaa to Aa3 by Moody’s, or AAA to AA- by S&P or Fitch, or an equivalent rating assigned by another nationally recognized statistical rating organization (“NRSRO”), or if there is no rating for the debt security, they are determined by the Advisor to be of comparable quality.

      (b)   DFA LTIP Portfolio—Corporate debt securities (e.g., bonds, debentures, and secured bonds, including covered bonds), which have received an investment grade rating by Moody’s, Fitch or S&P, or an equivalent rating assigned by another NRSRO, or, if unrated, have been determined by the Advisor to be of comparable quality.

4.  Bank Obligations—Obligations of U.S. banks and savings and loan associations and dollar-denominated obligations of U.S. subsidiaries and branches of foreign banks, such as certificates of deposit (including marketable variable rate certificates of deposit), time deposits and bankers’ acceptances. Bank certificates of deposit will be acquired only from banks having assets in excess of $1,000,000,000.

5.    Commercial Paper—

      (a)    One-Year Portfolio—Rated, at the time of purchase, A1+ or A1 by S&P or Prime1 by Moody’s, or F1+ or F1 by Fitch, or an equivalent rating assigned by another NRSRO, or, if unrated, issued by a corporation having an outstanding unsecured debt issue rated Aaa by Moody’s or AAA by S&P or Fitch.

      (b)    DFA LTIP Portfolio—Rated, at the time of purchase, A1+ to A3 by S&P or Prime1 to Prime3 by Moody’s, or F1+ to F3 by Fitch, or an equivalent rating assigned by another NRSRO, or, if unrated, issued by a corporation having an outstanding unsecured debt issue rated at least Baa3 by Moody’s or BBB- by S&P or Fitch.

6.  Repurchase Agreements—Instruments through which the Fixed Income Underlying Funds purchase securities (“underlying securities”) from a bank, a registered U.S. government securities dealer, or other such counterparties with creditworthiness and other characteristics deemed appropriate by the Advisor, with an agreement by the seller to repurchase the securities at an agreed price, plus interest at a specified rate. The underlying securities will be limited to U.S. government and agency obligations described in (1) and (2) above. Each Fixed Income Underlying

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Fund will not enter into a repurchase agreement with a duration of more than seven days if, as a result, more than 10% of the value of its total assets would be so invested. In addition, a repurchase agreement with a duration of more than seven days will be subject to a Fixed Income Underlying Fund’s investment restriction on illiquid investments. The Portfolios also will only invest in repurchase agreements with banks, U.S. government securities dealers, and/or other counterparties, as described above, that are approved by the Investment Committee of the Advisor. The Advisor will monitor the market value of the securities plus any accrued interest thereon so that they will at least equal the repurchase price.

7.  Foreign Government and Agency Obligations—Bills, notes, bonds, and other debt securities issued or guaranteed by foreign governments, or their authorities, agencies, instrumentalities or political subdivisions.

8.  Supranational Organization Obligations—Debt securities of supranational organizations such as the European Investment Bank, the Inter-American Development Bank or the World Bank, which are chartered to promote economic development.

9.    Foreign Issuer Obligations—

      (a)   One-Year Portfolio—Debt securities of non-U.S. issuers rated AAA to AA- by S&P or Fitch, Aaa to Aa3 by Moody’s, or an equivalent rating assigned by another NRSRO, or, if unrated, securities that have been determined by the Advisor to be of comparable quality.

      (b)   DFA LTIP Portfolio—Debt securities of non-U.S. issuers that have received a rating of AAA to BBB- by S&P or Fitch or Aaa to Baa3 by Moody’s, or an equivalent rating assigned by another NRSRO, or, if unrated, have been determined by the Advisor to be of comparable quality.

10.  Eurodollar Obligations—Debt securities of domestic or foreign issuers denominated in U.S. dollars but not trading in the United States.

11.  Money Market Funds—The Fixed Income Underlying Funds may invest in affiliated and unaffiliated registered and unregistered money market funds. Investments in money market funds may involve a duplication of certain fees and expenses.

The categories of fixed income securities that may be acquired by the Fixed Income Underlying Funds may include both fixed and floating rate securities. Floating rate securities bear interest at rates that vary with prevailing market rates. Interest rate adjustments are made periodically (e.g., every six months), usually based on a money market index such as the Secured Overnight Financing Rate (SOFR) or the Treasury bill rate.

Investors should be aware that the net asset values of the Fixed Income Underlying Funds may change as general levels of interest rates fluctuate. When interest rates increase, the value of a portfolio of fixed-income securities can be expected to decline. Conversely, when interest rates decline, the value of a portfolio of fixed-income securities can be expected to increase.

ADDITIONAL INFORMATION REGARDING INVESTMENT RISKS

The investment performance of each Portfolio is affected by the investment performance of the Underlying Funds in which the Portfolio invests. Each Portfolio also indirectly pays its proportionate share of the expenses of the Underlying Funds in which it invests. The ability of a Portfolio to achieve its investment objective depends on the ability of the Underlying Funds to meet their investment objectives and on the Advisor’s decisions regarding the allocation of the Portfolio’s assets among the Underlying Funds. Through its investments in Underlying Funds, a Portfolio is subject to the risks of the Underlying Funds’ investments. The following is a description of principal risks of each Portfolio and its Underlying Funds.

Call Risk: Call risk is the risk that an issuer may exercise its right to redeem a fixed income security earlier than its maturity date. Issuers may call outstanding securities prior to their maturity for a number of reasons (e.g., declining interest rates, changes in credit spreads and improvements in the issuer’s credit quality). If an issuer calls a security that a fund has invested in, the fund may not recoup the full amount of its initial investment and may be forced to reinvest in lower-yielding securities, securities with greater credit risks or securities with other, less favorable features.

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China Investments Risk: There are special risks associated with investments in China, Hong Kong and Taiwan. The Chinese government has implemented significant economic reforms in order to liberalize trade policy, promote foreign investment in the economy, reduce government control of the economy and develop market mechanisms. But there can be no assurance that these reforms will continue or that they will be effective. Despite reforms and privatizations of companies in certain sectors, the Chinese government still exercises substantial influence over many aspects of the private sector and may own or control many companies. The Chinese government continues to maintain a major role in economic policy making and investing in China involves risks of losses due to expropriation, nationalization, confiscation of assets and property, and the imposition of restrictions on foreign investments and on repatriation of capital invested. In addition, investments in Taiwan could be adversely affected by its political and economic relationship with China. The Chinese economy is also vulnerable to the long-running disagreements with Hong Kong related to integration.

Investing in China A-shares through Stock Connect is subject to trading, clearance, settlement, and other procedures, which could pose risks to a fund. Trading through the Stock Connect program is subject to daily quotas that limit the maximum daily net purchases on any particular day, each of which may restrict or preclude a fund’s ability to invest in China A-shares through the Stock Connect program. Trading through Stock Connect may require pre-validation of cash or securities prior to acceptance of orders. This requirement may limit a fund’s ability to dispose of its A-shares purchased through Stock Connect in a timely manner.

A primary feature of the Stock Connect program is the application of the home market’s laws and rules applicable to investors in China A-shares. Therefore, a fund’s investments in Stock Connect China A-shares are generally subject to the securities regulations and listing rules of the People’s Republic of China (“PRC”), among other restrictions. Stock Connect can only operate when both PRC and Hong Kong markets are open for trading and when banking services are available in both markets on the corresponding settlement days. As such, the Shanghai and Shenzhen markets may be open at a time when Stock Connect is not trading, with the result that prices of China A-shares may fluctuate at times when the fund is unable to add to or exit its position, which could adversely affect a fund’s performance.

Changes in the operation of the Stock Connect program may restrict or otherwise affect a fund’s investments or returns. Furthermore, any changes in laws, regulations and policies of the China A-shares market or rules in relation to Stock Connect may affect China A-share prices. These risks are heightened generally by the developing state of the PRC’s investment and banking systems and the uncertainty about the precise nature of the rights of equity owners and their ability to enforce such rights under Chinese law. An investment in China A-Shares is also generally subject to the risks identified under “Emerging Markets Risk,” and foreign investment risks such as price controls, expropriation of assets, confiscatory taxation, and nationalization may be heightened when investing in China.

Certain investments in Chinese companies may be made through a special structure known as a variable interest entity (“VIE”). In a VIE structure, foreign investors, such as a fund, will only own stock in a shell company rather than directly in the VIE, which must be owned by Chinese nationals (and/or Chinese companies) to obtain the licenses and/or assets required to operate in certain restricted or prohibited sectors in China. The value of the shell company is derived from its ability to consolidate the VIE into its financials pursuant to contractual arrangements that allow the shell company to exert a degree of control over, and obtain economic benefits arising from, the VIE without formal legal ownership. While VIEs are a longstanding industry practice and are well known by Chinese officials and regulators, historically the structure has not been formally recognized under Chinese law and Chinese regulations regarding the structure are evolving. It is uncertain whether Chinese officials or regulators will withdraw their acceptance of the structure generally, or with respect to certain industries. It is also uncertain whether the contractual arrangements, which may be subject to conflicts of interest between the legal owners of the VIE and foreign investors, would be enforced by Chinese courts or arbitration bodies. Prohibitions of these structures by the Chinese government, or the inability to enforce such contracts, from which the shell company derives its value, would likely cause the VIE-structured holding(s) to suffer significant, detrimental, and possibly permanent losses, and in turn, adversely affect a fund's returns and net asset value.

Credit Risk: Credit risk is the risk that the issuer of a security may be unable to make interest payments and/or repay principal when due. A downgrade to an issuer’s credit rating or a perceived change in an issuer’s financial strength may affect a security’s value, and thus, impact a fund’s performance. Government agency obligations have different levels of credit support and, therefore, different degrees of credit risk. Securities issued by agencies and instrumentalities of the U.S. Government that are supported by the full faith and credit of the United States, such as the Federal Housing Administration and Ginnie Mae, present little credit risk. Other securities issued by agencies

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and instrumentalities sponsored by the U.S. Government, that are supported only by the issuer’s right to borrow from the U.S. Treasury, subject to certain limitations, and securities issued by agencies and instrumentalities sponsored by the U.S. Government that are sponsored by the credit of the issuing agencies, such as Freddie Mac and Fannie Mae, are subject to a greater degree of credit risk. U.S. government agency securities issued or guaranteed by the credit of the agency may still involve a risk of non-payment of principal and/or interest. Credit risk is greater for fixed income securities with ratings below investment grade (e.g., BB+ or below by S&P or Fitch or Ba1 or below by Moody’s).

Cyber Security Risk: A fund and its service providers’ use of internet, technology and information systems may expose the fund to potential risks linked to cyber security breaches of those technological or information systems. Cyber security breaches, amongst other things, could allow an unauthorized party to gain access to proprietary information, customer data, or fund assets, or cause a fund and/or its service providers to suffer data corruption or lose operational functionality.

Depositary Receipts Risk: Depositary receipts, such as EDRs, GDRs and ADRs, are subject to many of the risks of the underlying securities. For some depositary receipts, the custodian or similar financial institution that holds the issuer’s shares in a trust account is located in the issuer’s home country. In these cases if the issuer’s home country does not have developed financial markets, a fund could be exposed to the credit risk of the custodian or financial institution and greater market risk. In addition, the depository institution may not have physical custody of the underlying securities at all times and may charge fees for various services. The fund may experience delays in receiving its dividend and interest payments or exercising rights as a shareholder. There may be an increased possibility of untimely responses to certain corporate actions of the issuer in an unsponsored depositary receipt program. Accordingly, there may be less information available regarding issuers of securities underlying unsponsored programs and there may not be a correlation between this information and the market value of the depositary receipts.

Derivatives Risk: Derivatives are instruments, such as swaps, futures contracts, and options thereon, and foreign currency forward contracts, whose value is derived from that of other assets, rates or indices. Derivatives can be used for hedging (attempting to reduce risk by offsetting one investment position with another) or non-hedging purposes. Hedging with derivatives may increase expenses, and there is no guarantee that a hedging strategy will work. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains or cause losses if the market moves in a manner different from that anticipated by the fund or if the cost of the derivative outweighs the benefit of the hedge. In regard to currency hedging, it is generally not possible to precisely match the foreign currency exposure of such foreign currency forward contracts to the value of the securities involved due to fluctuations in the market values of such securities and cash flows into and out of the fund between the date a foreign currency forward contract is entered into and the date it expires. The use of derivatives for non-hedging purposes may be considered to carry more risk than other types of investments. When a fund uses derivatives, the fund will be directly exposed to the risks of those derivatives. Derivatives expose a fund to counterparty risk (the risk that the derivative counterparty will not fulfill its contractual obligations), including credit risk of the derivative counterparty, and settlement risk (the risk faced when one party to a transaction has performed its obligations under a contract but has not yet received value from its counterparty). The possible lack of a liquid secondary market for derivatives and the resulting inability of a fund to sell or otherwise close a derivatives position could expose the fund to losses and could make derivatives more difficult for the fund to value accurately. Some derivatives are more sensitive to interest rate changes and market price fluctuations than other securities. A fund could also suffer losses related to its derivatives positions as a result of unanticipated market movements, which losses are potentially unlimited. The Advisor may not be able to predict correctly the direction of securities prices, interest rates, currency exchange rates and other economic factors, which could cause a fund’s derivatives positions to lose value. Valuation of derivatives may also be more difficult in times of market turmoil since many investors and market makers may be reluctant to purchase derivatives or quote prices for them. Changes in the value of a derivative may not correlate perfectly with the underlying asset, rate or index, and a fund could lose more than the principal amount invested. Additional risks are associated with the use of swaps including counterparty and credit risk (the risk that the other party to a swap agreement will not fulfill its contractual obligations, whether because of bankruptcy or other default) and liquidity risk (the possible lack of a secondary market for the swap agreement). Credit risk increases when a fund is the seller of swaps and counterparty risk increases when a fund is a buyer of swaps. In addition, where a fund is the seller of swaps, it may be required to liquidate portfolio securities at inopportune times in order to meet payment obligations. Swaps may be illiquid or difficult to value.

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Emerging Markets Risk: Securities of issuers associated with emerging market countries, including, but not limited to, issuers that are organized under the laws of, maintain a principal place of business in, derive significant revenues from, or issue securities backed by the government (or, its agencies or instrumentalities) of emerging market countries may be subject to higher and additional risks than securities of issuers in developed foreign markets. These risks include, but are not limited to (i) social, political and economic instability; (ii) government intervention, including policies or regulations that may restrict a fund’s investment opportunities, including restrictions on investment in issuers or industries deemed sensitive to an emerging market country’s national interests; (iii) less transparent and established taxation policies; (iv) less developed legal systems allowing for enforcement of private property rights and/or redress for injuries to private property; (v) the lack of a capital market structure or market-oriented economy; (vi) higher degree of corruption and fraud; (vii) counterparties and financial institutions with less financial sophistication, creditworthiness and/or resources as those in developed foreign markets; and (viii) the possibility that the process of easing restrictions on foreign investment occurring in some emerging market countries may be slowed or reversed by unanticipated economic, political or social events in such countries, or the countries that exercise a significant influence over those countries. Similar to foreign issuers, emerging market issuers may not be subject to uniform accounting, auditing and financial reporting standards and there may be less publicly available financial and other information about such issuers, comparable to U.S. issuers. Stock markets in many emerging market countries are relatively small, expensive to trade in and generally have higher risks than those in developed markets. Securities in emerging markets also may be less liquid than those in developed markets and foreigners are often limited in their ability to invest in, and withdraw assets from, these markets. Additional restrictions may be imposed under other conditions. Frontier market countries generally have smaller economies or less developed capital markets and, as a result, the risks of investing in emerging market countries are magnified in frontier market countries.

Equity Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, market, political, and issuer-specific conditions and events will cause the value of equity securities, and a fund that owns them, to rise or fall. Stock markets are volatile, with periods of rising prices and periods of falling prices. In addition, economies and financial markets throughout the world have become increasingly interconnected, which increases the likelihood that events or conditions in one region or country will adversely affect markets or issuers in other regions or countries. A fund’s securities may be negatively impacted by inflation (or expectations for inflation), interest rates, global demand for particular products/services or resources, natural disasters, pandemics, epidemics, terrorism, war, military confrontations, regulatory events and governmental or quasi-governmental actions, among others.

The coronavirus (COVID-19) pandemic has resulted, at times, in market closures, market volatility, liquidity constraints and increased trading costs. Efforts to contain the spread of COVID-19 have resulted in global travel restrictions and disruptions of healthcare systems, business operations and supply chains, layoffs, reduced consumer demand, defaults and credit rating downgrades, and other significant economic impacts. The effects of COVID-19 have impacted global economic activity and may heighten pre-existing political, social and economic risks, domestically or globally. The full impact and duration of the COVID-19 pandemic (or other future epidemics or pandemics) are unpredictable and may adversely affect a fund’s performance.

Foreign Government Debt Risk: The risk that: (a) the governmental entity that controls the repayment of government debt may not be willing or able to repay the principal and/or to pay the interest when it becomes due, due to factors such as political considerations, the relative size of the governmental entity’s debt position in relation to the economy, cash flow problems, insufficient foreign currency reserves, the failure to put in place economic reforms required by the International Monetary Fund or other multilateral agencies, and/or other national economic factors; (b) governments may default on their debt securities, which may require holders of such securities to participate in debt rescheduling; and (c) there is no legal or bankruptcy process by which defaulted government debt may be collected in whole or in part.

Foreign Securities and Currencies Risk: Foreign securities prices may decline or fluctuate because of: (a) economic or political actions of foreign governments, and/or (b) less regulated or liquid securities markets. Investors holding these securities may also be exposed to foreign currency risk (the possibility that foreign currency will fluctuate in value against the U.S. dollar or that a foreign government will convert, or be forced to convert, its currency to another currency, changing its value against the U.S. dollar).

Foreign issuers may not be subject to uniform accounting, auditing and financial reporting standards and there may be less publicly available financial and other information about such issuers, comparable to U.S. issuers. Certain countries’ legal institutions, financial markets, and services are less developed than those in the U.S. or other major

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economies. A fund may have greater difficulty voting proxies, exercising shareholder rights, securing dividends and obtaining information regarding corporate actions on a timely basis, pursuing legal remedies, and obtaining judgments with respect to foreign investments in foreign courts than with respect to domestic issuers in U.S. courts.

Fund of Funds Risk: The investment performance of a fund of funds is affected by the investment performance of the underlying funds in which it invests. The ability of a fund of funds to achieve its investment objective depends on the ability of the underlying funds to meet their investment objectives and on the Advisor’s decisions regarding the allocation of a fund of funds’ assets among the underlying funds. A fund of funds may allocate assets to an underlying fund or asset class that underperforms other funds or asset classes. There can be no assurance that the investment objective of a fund of funds or any underlying fund will be achieved. When a fund of funds invests in underlying funds, investors are exposed to a proportionate share of the expenses of those underlying funds in addition to the expenses of the fund of funds. Through its investments in underlying funds, a fund of funds is subject to the risks of the underlying funds’ investments.

Income Risk: Income risk is the risk that falling interest rates will cause a fund’s income to decline because, among other reasons, the proceeds from maturing short-term securities in its portfolio may be reinvested in lower-yielding securities.

Inflation-Protected Securities Interest Rate Risk: Inflation-protected securities may react differently from other fixed income securities to changes in interest rates. Because interest rates on inflation-protected securities are adjusted for inflation, the values of these securities are not materially affected by inflation expectations. Therefore, the value of inflation-protected securities are anticipated to change in response to changes in “real” interest rates, which represent nominal (stated) interest rates reduced by the expected impact of inflation. Generally, the value of an inflation-protected security will fall when real interest rates rise and will rise when real interest rates fall.

Inflation-Protected Securities Tax Risk: Any increase in the principal amount of an inflation-protected security may be included for tax purposes in a fund’s gross income, even though no cash attributable to such gross income has been received by the fund. In such event, a fund may be required to make annual gross distributions to shareholders that exceed the cash it has otherwise received. In order to pay such distributions, a fund may be required to raise cash by selling its investments. The sale of such investments could result in capital gains to the fund and additional capital gain distributions to shareholders. In addition, adjustments during the taxable year for deflation to an inflation-indexed bond held by a fund may cause amounts previously distributed to shareholders in the taxable year as income to be characterized as a return of capital, which could increase or decrease a fund’s ordinary income distributions to shareholders, and may cause some of a fund’s distributed income to be classified as a return of capital.

Interest Rate Risk: Fixed income securities are subject to interest rate risk because the prices of fixed income securities tend to move in the opposite direction of interest rates. When interest rates rise, fixed income security prices fall. During periods of very low or negative interest rates, a fund may be subject to a greater risk of rising interest rates. When interest rates fall, fixed income security prices rise. In general, fixed income securities with longer maturities are more sensitive to changes in interest rates.

Liquidity Risk: Liquidity risk exists when particular portfolio investments are difficult to purchase or sell. To the extent that a fund holds illiquid investments, the fund’s performance may be reduced due to an inability to sell the investments at opportune prices or times. Liquid portfolio investments may become illiquid or less liquid after purchase by a fund due to low trading volume, adverse investor perceptions and/or other market developments. Liquidity risk includes the risk that a fund will experience significant net redemptions at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss or at increased costs. Liquidity risk can be more pronounced in periods of market turmoil or in situations where ownership of shares of a fund are concentrated in one or a few investors.

Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, political, and issuer-specific events will cause the value of securities, and a fund that owns them, to rise or fall.

The coronavirus (COVID-19) pandemic has resulted, at times, in market closures, market volatility, liquidity constraints and increased trading costs. Efforts to contain the spread of COVID-19 have resulted in global travel restrictions and disruptions of healthcare systems, business operations and supply chains, layoffs, reduced consumer demand, defaults and credit rating downgrades, and other significant economic impacts. The effects of COVID-19

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have impacted global economic activity and may heighten pre-existing political, social and economic risks, domestically or globally. The full impact and duration of the COVID-19 pandemic (or other future epidemics or pandemics) are unpredictable and may adversely affect a fund’s performance.

Operational Risk: Operational risks include human error, changes in personnel, system changes, faults in communication, and failures in systems, technology, or processes. Various operational events or circumstances are outside a fund’s or its advisor’s control, including instances at third parties. A fund and its advisor seek to reduce these operational risks through controls and procedures. However, these measures may not address every possible risk and may be inadequate to address these risks.

Profitability Investment Risk: High relative profitability stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies.

Risks of Investing for Inflation Protection: Because the interest and/or principal payments on an inflation-protected security are adjusted periodically for changes in inflation, the income distributed by a fund investing in such securities may be irregular. Although the U.S. Treasury guarantees to pay at maturity at least the original face value of any inflation-protected securities the Treasury issues, other issuers may not offer the same guarantee. Inflation-protected securities are not protected against deflation. As a result, in a period of deflation, the principal and income of inflation-protected securities held by a fund will decline and the fund may suffer a loss during such periods. While inflation-protected securities are expected to be protected from long-term inflationary trends, short-term increases in inflation may lead to a decline in the value of a fund holding such securities. For example, if interest rates rise due to reasons other than inflation, a fund’s investment in these securities may not be protected to the extent that the increase is not reflected in the securities’ inflation measures. In addition, positive adjustments to principal generally will result in taxable income to a fund at the time of such adjustments (which generally would be distributed by the fund as part of its taxable dividends), even though the principal amount is not paid until maturity. The current market value of inflation-protected securities is not guaranteed and will fluctuate.

Securities Lending Risk: Securities lending involves the risk that the borrower may fail to return the securities in a timely manner or at all. As a result, a fund may lose money and there may be a delay in recovering the loaned securities. A fund could also lose money if it does not recover the securities and/or the value of the collateral falls, including the value of investments made with cash collateral. Securities lending also may have certain adverse tax consequences. To the extent that the Portfolio holds securities directly and lends those securities, it will be also subject to the foregoing risks with respect to its loaned securities.

Small and Mid-Cap Company Risk: Securities of small and mid-cap companies are often less liquid than those of large companies and this could make it difficult to sell a small or mid-cap company security at a desired time or price. As a result, small and mid-cap company stocks may fluctuate relatively more in price. In general, small and mid-capitalization companies are also more vulnerable than larger companies to adverse business or economic developments and they may have more limited resources.

Value Investment Risk: Value stocks may perform differently from the market as a whole and an investment strategy purchasing these securities may cause a fund to at times underperform equity funds that use other investment strategies. Value stocks can react differently to political, economic, and industry developments than the market as a whole and other types of stocks. Value stocks also may underperform the market for long periods of time.

Other Information

COMMODITY POOL OPERATOR EXEMPTION

Each Portfolio and Underlying Fund is operated by a person that has claimed an exclusion from the definition of the term “commodity pool operator” under the Commodity Exchange Act (“CEA”) with respect to the Portfolios and Underlying Funds described in this Prospectus, and, therefore, such person is not subject to registration or regulation as a pool operator under the CEA with respect to such Portfolios and Underlying Funds.

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FUND OF FUNDS PORTFOLIO TURNOVER

The portfolio turnover rate provided for each Portfolio under the heading “Portfolio Turnover” for the respective Portfolio is unaudited. The portfolio turnover rate presented for each Portfolio was derived from the portfolio turnover rates of the Underlying Funds in which the Portfolio invests.

Securities Loans

Each Portfolio, to the extent it holds securities directly, and Underlying Fund is authorized to lend securities to qualified brokers, dealers, banks, and other financial institutions for the purpose of earning additional income. While each Portfolio or Underlying Fund may earn additional income from lending securities, such activity is incidental to the investment objective of the Portfolio or Underlying Fund. The value of securities loaned may not exceed 331/3% of the value of a Portfolio’s or an Underlying Fund's total assets, which includes the value of collateral received. To the extent a Portfolio or Underlying Fund loans a portion of its securities, the Portfolio or Underlying Fund will receive collateral consisting generally of cash or U.S. government securities. Collateral received will be maintained by marking to market daily and (i) in an amount equal to at least 100% of the current market value of the loaned securities, with respect to securities of the U.S. Government or its agencies, (ii) in an amount generally equal to 102% of the current market value of the loaned securities, with respect to U.S. securities, and (iii) in an amount generally equal to 105% of the current market value of the loaned securities, with respect to foreign securities. Subject to its stated investment policies, each Portfolio and Underlying Fund will generally invest the cash collateral received for the loaned securities in The DFA Short Term Investment Fund (the “Money Market Series”), an affiliated registered money market fund advised by the Advisor for which the Advisor receives a management fee of 0.05% of the average daily net assets of the Money Market Series. Each Portfolio and Underlying Fund also may invest the cash collateral received for the loaned securities in securities of the U.S. Government or its agencies, repurchase agreements collateralized by securities of the U.S. Government or its agencies, and affiliated and unaffiliated registered and unregistered money market funds. For purposes of this paragraph, agencies include both agency debentures and agency mortgage-backed securities.

In addition, a Portfolio or Underlying Fund will be able to terminate the loan at any time and will receive reasonable interest on the loan, as well as amounts equal to any dividends, interest or other distributions on the loaned securities. However, dividend income received from loaned securities may not be eligible to be taxed at qualified dividend income rates. See the Portfolios’ or Underlying Funds' Statements of Additional Information (“SAI”) for a further discussion of the tax consequences related to securities lending. Each Portfolio and Underlying Fund will be entitled to recall a loaned security to vote proxies or otherwise obtain rights to vote proxies of loaned securities if the Portfolio or Underlying Fund knows that a material event will occur. In the event of the bankruptcy of the borrower, a Portfolio could experience delay in recovering the loaned securities or only recover cash or a security of equivalent value. See “Principal Risks—Securities Lending Risk” for a discussion of the risks related to securities lending.

Management of the Portfolios

The Advisor serves as investment advisor to each of the Portfolios and Underlying Funds. Pursuant to an Investment Management Agreement with the Fund on behalf of each Portfolio and Underlying Fund, the Advisor is responsible for the management of each of the Portfolio’s and Underlying Fund's assets. Each of the Portfolios and Underlying Funds is managed using a team approach. The investment team includes the Investment Committee of the Advisor, portfolio managers and trading personnel.

The Investment Committee is composed primarily of certain officers and directors of the Advisor who are appointed annually. As of the date of this Prospectus, the Investment Committee has fourteen members. Investment strategies for the Portfolios and Underlying Funds are set by the Investment Committee, which meets on a regular basis and also as needed to consider investment issues. The Investment Committee also sets and reviews all investment related policies and procedures and approves any changes in regards to approved countries, security types, and brokers.

In accordance with the team approach used to manage the Portfolios and Underlying Funds, the portfolio managers and portfolio traders implement the policies and procedures established by the Investment Committee. The portfolio managers and portfolio traders also make daily investment decisions regarding the Portfolios based on the parameters established by the Investment Committee. The individuals named in a Portfolio’s “INVESTMENT

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ADVISOR/PORTFOLIO MANAGEMENT” section coordinate the efforts of all other portfolio managers or trading personnel with respect to the day-to-day management of such Portfolio.

Mr. Fogdall is Global Head of Portfolio Management, Chairman of the Investment Committee, a Vice President, and Senior Portfolio Manager of the Advisor. Mr. Fogdall has an MBA from the University of California, Los Angeles and a BS from Purdue University. Mr. Fogdall joined the Advisor as a portfolio manager in 2004 and has been responsible for the Portfolios since inception (2015).

Mr. Kolerich is Head of Fixed Income, Americas, a member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor. Mr. Kolerich has an MBA from the University of Chicago Booth School of Business and a BS from Northern Illinois University. Mr. Kolerich joined the Advisor as a portfolio manager in 2001 and has been responsible for the Portfolios since inception (2015).

Mr. Plecha is Global Head of Fixed Income Portfolio Management, a member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor. Mr. Plecha received his BS from the University of Michigan at Ann Arbor in 1983 and his MBA from the University of California at Los Angeles in 1987. Mr. Plecha has been a portfolio manager since 1989 and has been responsible for the Portfolios since inception (2015).

Mr. Pu is Deputy Head of Portfolio Management, North America, a member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor. Mr. Pu has an MBA from the University of California, Los Angeles, an MS and PhD from Caltech, and a BS from Cooper Union for the Advancement of Science and Art. Mr. Pu joined the Advisor as a portfolio manager in 2006 and has been responsible for the Portfolios since inception (2015).

Ms. Phillips is Deputy Head of Portfolio Management, North America, a member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor. Ms. Phillips holds an MBA from the University of Chicago Booth School of Business and a BA from the University of Puget Sound. Ms. Phillips joined the Advisor in 2012, has been a portfolio manager since 2014, and has been responsible for the Portfolios since 2017.

Mr. Bhagwanjee is a Vice President and Senior Portfolio Manager of the Advisor. Mr. Bhagwanjee holds an MBA from the University of Chicago and a BS from Purdue University. Mr. Bhagwanjee joined the Advisor in 2014, has been a portfolio manager since 2017, and has been responsible for the Portfolios since 2020.

The Portfolios’ SAI provides information about each portfolio manager’s compensation, other accounts managed by the portfolio manager, and the portfolio manager’s ownership of Portfolio shares.

The Advisor and with respect to the sub-advised Underlying Funds, Dimensional Fund Advisors Ltd. (“DFAL”) and DFA Australia Limited (“DFA Australia”), provide each Underlying Fund with a trading department and selects brokers and dealers to effect securities transactions. Securities transactions are placed with a view to obtaining best price and execution. The Advisor may pay compensation, out of the Advisor’s profits and not as an additional charge to a Portfolio, to financial intermediaries to support the sale of Portfolio shares. A discussion regarding the basis for the Board of Directors of the Fund (the “Board”) approving the Investment Management Agreement with respect to each Portfolio is available in the semi-annual report for the Portfolios for the fiscal period ending April 30, 2023. The Advisor’s address is 6300 Bee Cave Road, Building One, Austin, TX 78746. The Advisor has been engaged in the business of providing investment management services since May 1981. The Advisor is currently organized as a Delaware limited partnership and is controlled and operated by its general partner, Dimensional Holdings Inc., a Delaware corporation. The Advisor controls DFAL and DFA Australia. As of January 31, 2024, assets under management for all Dimensional affiliated advisors totaled approximately $674 billion.

The Fund bears all of its own fees, expenses, charges, assessments, taxes, and other costs incurred in its operations, whether incurred directly by the Fund or incurred by the Advisor on its behalf. The expenses payable by the Fund shall include, but are not limited to: services of its independent registered public accounting firm, legal counsel to the Fund and its disinterested trustees/directors, fees and expenses of disinterested trustees/ directors, employees and consultants, accounting and pricing costs (including the daily calculations of net asset value), brokerage fees, commissions and transfer taxes in connection with the acquisition and disposition of portfolio securities, taxes and other governmental fees levied against the Fund, insurance premiums, investment fees and expenses of the Fund, including the interest expense of borrowing money, the costs incidental to meetings of its shareholders and trustees/directors, the cost of filing its registration statements under the federal securities laws and the cost of any

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other filings required under federal and state securities laws, the costs of preparing, printing and mailing proxies, shareholder reports, prospectuses, statements of additional information and other fund documents, transfer and dividend disbursing agency, administrative services and custodian fees, including the expenses of issuing, repurchasing or redeeming its shares, fees and expenses of securities lending agents and the oversight of the securities lending activities of the Fund, fees and expenses associated with trade administration oversight services with respect to reconciliations and the oversight of settlement and collateral management, litigation, regulatory examinations/proceedings and other extraordinary or nonrecurring expenses, and other expenses properly payable by the Fund, except as provided in the Expense Assumption Agreements for certain portfolios of the Fund, including the Portfolios in this Prospectus. Expenses allocable to a particular portfolio of the Fund are so allocated. The expenses of the Fund which are not allocable to a particular portfolio are borne by each portfolio on the basis of its relative net assets.

MANAGEMENT FEES

Each Portfolio does not pay a management fee to the Advisor for the services provided by the Advisor to the Portfolio. As a shareholder of the Underlying Funds, each Portfolio pays its proportionate share of the management fees paid to the Advisor by the Underlying Funds.

Manager of Managers Structure

The Advisor and the Fund have received an exemptive order from the Securities and Exchange Commission (“SEC”) for a manager of managers structure that allows the Advisor to appoint, remove or change Dimensional Wholly-Owned Sub-advisors (defined below), and enter into, amend and terminate sub-advisory agreements with Dimensional Wholly-Owned Sub-advisors, without prior shareholder approval, but subject to Board approval. A “Dimensional Wholly-Owned Sub-advisor” includes sub-advisors that are wholly-owned by the Advisor (i.e., (1) an indirect or direct “wholly-owned subsidiary” (as such term is defined in the Investment Company Act of 1940 (the “1940 Act”)) of the Advisor, or (2) a sister company of the Advisor that is an indirect or direct “wholly-owned subsidiary” (as such term is defined in the 1940 Act) of the same company that, indirectly or directly, wholly owns the Advisor) (“Dimensional Wholly-Owned Sub-advisors”). The Board only will approve a change with respect to sub-advisors if the Board concludes that such arrangements would be in the best interests of the shareholders of a Portfolio. If a new Dimensional Wholly-Owned Sub-advisor is hired for a Portfolio, shareholders will receive information about the new sub-advisor within 90 days of the change. The exemptive order allows greater flexibility for the Advisor to utilize, if desirable, personnel throughout the worldwide organization enabling a Portfolio to operate more efficiently. The Advisor will not hire unaffiliated sub-advisors without prior shareholder approval and did not request the ability to do so in its application to the SEC for an exemptive order to allow the manager of managers structure.

The use of the manager of managers structure with respect to a Portfolio is subject to certain conditions set forth in the SEC exemptive order. Under the manager of managers structure, the Advisor has the ultimate responsibility, subject to oversight by the Board, to oversee the Dimensional Wholly-Owned Sub-advisors and recommend their hiring, termination and replacement. The Advisor will provide general management services to a Portfolio, including overall supervisory responsibility for the general management and investment of the Portfolio’s assets. Subject to review and approval of the Board, the Advisor will (a) set a Portfolio’s overall investment strategies, (b) evaluate, select, and recommend Dimensional Wholly-Owned Sub-advisors to manage all or a portion of a Portfolio’s assets, and (c) implement procedures reasonably designed to ensure that Dimensional Wholly-Owned Sub-advisors comply with a Portfolio’s investment objective, policies and restrictions. Subject to review by the Board, the Advisor will (a) when appropriate, allocate and reallocate a Portfolio’s assets among multiple Dimensional Wholly-Owned Sub-advisors; and (b) monitor and evaluate the performance of Dimensional Wholly-Owned Sub-advisors.

SHAREHOLDER SERVICES

On behalf of each Portfolio, the Fund may enter into shareholder servicing agreements with financial intermediaries to provide shareholder servicing, recordkeeping, account maintenance and other services to shareholders of the Portfolio. For the array of services provided to shareholders of each Portfolio, the Fund may pay such financial intermediaries a fee for such services. These expenses will be included in “Other Expenses” in the “Annual Fund Operating Expenses” table.

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EXPENSE ASSUMPTION AGREEMENT

Pursuant to an Expense Assumption Agreement (the “Expense Assumption Agreement”) for each Portfolio, the Advisor has contractually agreed to assume the ordinary operating expenses of the Institutional Class of the Portfolio (excluding the expenses that the Portfolio incurs indirectly through its investment in other investment companies managed by the Advisor) (“Portfolio Expenses”) to the extent necessary to limit the Portfolio Expenses of a class of the Portfolio to 0.06% of the average net assets of the Institutional class of the Portfolio on an annualized basis (the “Expense Limitation Amount”). The Expense Assumption Agreement for each Portfolio will remain in effect through February 28, 2025, and may only be terminated by the Board prior to that date. The Expense Assumption Agreement shall continue in effect from year to year thereafter unless terminated by the Fund or the Advisor. With respect to each Expense Assumption Agreement, prior year assumed expenses can be recaptured only if the expense ratio following such recapture would be less than the expense cap that was in place when such prior year expenses were assumed, and less than the current expense cap in place for the Portfolio. At any time that the Portfolio Expenses of the Institutional Class of a Portfolio are less than the Expense Limitation Amount, the Advisor retains the right to recover any expenses previously assumed to the extent that such recovery will not cause the annualized Portfolio Expenses for Institutional Class shares of the Portfolio to exceed the Expense Limitation Amount. A Portfolio is not obligated to reimburse the Advisor for expenses previously assumed by the Advisor more than thirty-six months before the date of such reimbursement.

Dividends, Capital Gains Distributions and Taxes

Dividends and Distributions. Each Portfolio intends to qualify each year as a regulated investment company under the Internal Revenue Code of 1986, as amended (the "Code"). As a regulated investment company, a Portfolio generally pays no federal income tax on the income and gains it distributes to you. Dividends from net investment income of a Portfolio are distributed quarterly (on a calendar basis) and any net realized capital gains (after any reductions for available capital loss carryforwards) are distributed annually, typically in December. A Portfolio may distribute such income dividends and capital gains more frequently, if necessary, in order to reduce or eliminate federal excise or income taxes on the Portfolio.

Capital gains distributions may vary considerably from year to year as a result of a Portfolio’s normal investment activities and cash flows. During a time of economic volatility, a Portfolio may experience capital losses and unrealized depreciation in value of investments, the effect of which may be to reduce or eliminate capital gains distributions for a period of time. A Portfolio may be required to distribute taxable realized gains from a prior year, even if the Portfolio has a net realized loss for the year of distribution.

You will automatically receive all income dividends and capital gains distributions in additional shares of the Portfolio whose shares you hold at net asset value (as of the business date following the dividend record date), unless, upon written notice to the Advisor and completion of account information, you request to receive income dividends or capital gains distributions, or both, in cash.

Annual Statements. Each year, you will receive a statement that shows the tax status of distributions you received the previous calendar year. Distributions declared in October, November, or December to shareholders of record in such month, but paid in January, are taxable as if they were paid in December.

Avoid “Buying A Dividend.” At the time you purchase your Portfolio shares, a Portfolio’s net asset value may reflect undistributed income or undistributed capital gains. A subsequent distribution to you of such amounts, although constituting a return of your investment, would be taxable. Buying shares in a Portfolio just before it declares an income dividend or capital gains distribution is sometimes known as “buying a dividend.” In addition, a Portfolio’s net asset value may, at any time, reflect net unrealized appreciation, which may result in future taxable distributions to you.

Tax Considerations. Dividends and distributions paid to a qualified, tax-advantaged retirement plan, such as a 401(k) plan, accumulate free of federal income taxes. In addition, the sale or redemption by a tax-advantaged retirement plan of a Portfolio’s shares will not be subject to federal income taxes. However, the beneficiaries of such tax-advantaged retirement plans may be taxed later upon withdrawal of monies from their accounts. Withdrawals from such contracts may be subject to ordinary income tax plus a 10% penalty tax if made before age 59½. Also, unless otherwise indicated, the discussion below with respect to a Portfolio includes its pro rata share of the dividends and distributions paid by an Underlying Fund.

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In general, if you are a taxable investor, Portfolio distributions are taxable to you as ordinary income, capital gains, or some combination of both. This is true whether you reinvest your distributions in additional Portfolio shares or receive them in cash.

For federal income tax purposes, Portfolio distributions of short-term capital gains are taxable to you at ordinary income rates. Portfolio distributions of long-term capital gains are taxable to you at long-term capital gain rates no matter how long you have owned your shares. A portfolio with a high portfolio turnover rate (a measure of how frequently assets within a portfolio are bought and sold) is more likely to generate short-term capital gains than a portfolio with a low portfolio turnover. A portion of income dividends reported by a Portfolio as qualified dividend income may be eligible for taxation by individual shareholders at long-term capital gain rates provided certain requirements are met.

Compared to other types of investments, derivatives may be less tax efficient. For example, the use of derivatives by a Portfolio may cause the Portfolio to realize higher amounts of ordinary income or short-term capital gain, distributions from which are taxable to individual shareholders at ordinary income tax rates rather than at the more favorable tax rates for long-term capital gains. Changes in government regulation of derivative instruments could affect the character, timing and amount of a Portfolio’s taxable income or gains, and may limit or prevent the Portfolio from using certain types of derivative instruments as a part of its investment strategy. A Portfolio’s use of derivatives also may be limited by the requirements for taxation of the Portfolio as a regulated investment company.

If a Portfolio qualifies to pass through to you the tax benefits from foreign taxes it pays on its investments, and elects to do so, then any foreign taxes it pays on these investments will be treated as paid by you. You will then be entitled either to deduct your share of these taxes in computing your taxable income, or to claim a foreign tax credit for these taxes against your U.S. federal income tax (subject to limitations for certain shareholders).

Sale or Redemption of Portfolio Shares. The sale of shares of a Portfolio is a taxable event and may result in a capital gain or loss to you. Capital gain or loss may be realized from an ordinary redemption of shares or an exchange of shares between two Portfolios. Any loss incurred on the sale or exchange of a Portfolio’s shares, held for six months or less, will be treated as a long-term capital loss to the extent of capital gain dividends received with respect to such shares.

A Portfolio is required to report to you and the Internal Revenue Service annually on Form 1099-B not only the gross proceeds of Portfolio shares you sell or redeem but also the cost basis for shares you sell or redeem that were purchased or acquired on or after January 1, 2012. Cost basis will be calculated using the Portfolios’ default method of average cost, unless you instruct a Portfolio to use a different calculation method. Shareholders should carefully review the cost basis information provided by a Portfolio and make any additional basis, holding period or other adjustments that are required when reporting these amounts on their federal income tax returns. If your account is held by your investment representative (financial advisor or other broker), please contact that representative with respect to reporting of cost basis and available elections for your account. Tax-advantaged retirement accounts will not be affected.

Medicare Tax. An additional 3.8% Medicare tax is imposed on certain net investment income (including ordinary dividends and capital gain distributions received from a Portfolio and net gains from redemptions or other taxable dispositions of Portfolio shares) of U.S. individuals, estates and trusts to the extent that such person’s “modified adjusted gross income” (in the case of an individual) or “adjusted gross income” (in the case of an estate or trust) exceeds a threshold amount. This Medicare tax, if applicable, is reported by you on, and paid with, your federal income tax return.

Backup Withholding. By law, a Portfolio may be required to withhold 24% of taxable dividends, capital gains distributions, and redemption proceeds paid to you if you do not provide your proper taxpayer identification number and certain required certifications. You may avoid this withholding requirement by providing and certifying on the account registration form your correct Taxpayer Identification Number and by certifying that you are not subject to backup withholding and are a U.S. person (including a U.S. resident alien). A Portfolio must also withhold if the Internal Revenue Service instructs it to do so.

State and Local Taxes. In addition to federal taxes, you may be subject to state and local taxes on distributions from a Portfolio and on gains arising on redemption or exchange of a Portfolio’s shares. Distributions of interest income and capital gains realized from certain types of U.S. Government securities may be exempt from state personal

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income taxes. To the extent an Underlying Fund invests in U.S. Government obligations, distributions derived from interest on these obligations and paid to its corresponding Portfolio and, in turn, to shareholders are unlikely to be exempt from state and local income tax.

Non-U.S. Investors. Non-U.S. investors may be subject to U.S. withholding tax, at either the 30% statutory rate or a lower rate if you are a resident of a country that has a tax treaty with the U.S., and are subject to special U.S. tax certification requirements to avoid backup withholding and claim any treaty benefits. Exemptions from U.S. withholding tax are provided for certain capital gain dividends paid by a Portfolio from net long-term capital gains, if any, interest-related dividends paid by a Portfolio from its qualified net interest income from U.S. sources and short-term capital gain dividends, if such amounts are reported by a Portfolio. However, notwithstanding such exemptions from U.S. withholding at the source, any such dividends and distributions of income and capital gains will be subject to backup withholding at a rate of 24% if you fail to properly certify that you are not a U.S. person. Non-U.S. investors also may be subject to U.S. estate tax.

Other Reporting and Withholding Requirements. Under the Foreign Account Tax Compliance Act (“FATCA”), a Portfolio will be required to withhold a 30% tax on income dividends made by the Portfolio to certain foreign entities, referred to as foreign financial institutions or non-financial foreign entities, that fail to comply (or be deemed compliant) with extensive reporting and withholding requirements designed to inform the U.S. Department of the Treasury of U.S.-owned foreign investment accounts. After December 31, 2018, FATCA withholding also would have applied to certain capital gain distributions, return of capital distributions and the proceeds arising from the sale of Portfolio shares; however, based on proposed regulations issued by the Internal Revenue Service, which may be relied upon currently, such withholding is no longer required unless final regulations provide otherwise (which is not expected). A Portfolio may disclose the information that it receives from its shareholders to the Internal Revenue Service, non-U.S. taxing authorities or other parties as necessary to comply with FATCA or similar laws. Withholding also may be required if a foreign entity that is a shareholder of a Portfolio fails to provide the Portfolio with appropriate certifications or other documentation concerning its status under FATCA.

This discussion of “DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES” is not intended or written to be used as tax advice. Because everyone’s tax situation is unique, you should consult your tax professional about federal, state, local, or foreign tax consequences before making an investment in a Portfolio. Prospective investors should also consult the SAI.

Purchase of Shares

CASH PURCHASES

Investors who do not already have an agreement in place with the Fund may purchase Institutional Class shares of the Portfolios by first contacting the Portfolios’ transfer agent at (888) 576-1167. Investors that invest through a financial intermediary (including a sponsor of a Retirement Plan) should contact such intermediary with regard to purchase instructions. The Portfolios generally are available to defined contribution plans and other similar group benefit plans that are exempt from taxation under the Code and employer sponsored non-qualified deferred compensation plans (“Retirement Plans”). In addition to Retirement Plans, the Portfolios are available for investment only by institutional clients, clients of registered investment advisors, clients of financial institutions, and a limited number of certain other investors, each as approved from time to time by the Advisor (“Eligible Investors”). Eligible Investors include employees, former employees, shareholders and directors of the Advisor and the Fund and friends and family members of such persons. The Portfolios generally are available for investment only to U.S. citizens, U.S. residents, and U.S. domestic corporations, partnerships, trusts, or other entities. For purposes of this limitation, U.S. citizens and U.S. residents must reside in the U.S. and U.S. domestic corporations, partnerships, trusts, and other entities must have a U.S. address of record. All investments are subject to approval of the Advisor, and all investors must complete and submit the necessary account registration forms in good order. The Fund reserves the right to reject any initial or additional investment and to suspend the offering of shares of the Portfolio.

All purchases must be received in good order. “Good order” with respect to the purchase of shares means that (1) a fully completed and properly signed Account Registration Form and any additional supporting legal documentation required by the Advisor and/or transfer agent have been received in legible form, and (2) the transfer agent has been notified of the purchase, no later than the close of regular trading on the New York Stock Exchange (“NYSE”) (normally, 4:00 p.m. ET) (“Market Close”) on the day of the purchase. It is the investor or financial intermediary’s

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responsibility to ensure notification is received in good order by the transfer agent prior to the Market Close on the purchase date.

Under certain conditions, Portfolios may accept and process purchase orders after the close of the NYSE on days that the NYSE unexpectedly closes early and may accept orders on a business day that the NYSE is unexpectedly closed. All orders will be processed at the next determined net asset value per share.

Payment

Payment of the total amount due should be made in U.S. dollars. If your payment is not received on settlement date, your purchase may be canceled. If an order to purchase shares must be canceled due to nonpayment, the purchaser will be responsible for any loss incurred by the Fund arising out of such cancellation. To recover any such loss, the Fund reserves the right to redeem shares owned by any purchaser whose order is canceled, and such purchaser may be prohibited or restricted in the manner of placing further orders.

Purchase by wire or check

Wire. Investors having an account with a bank that is a member or a correspondent of a member of the Federal Reserve System may purchase shares by wire after providing notification to the transfer agent by an approved method. The transfer agent can be reached by phone at (888) 576-1167. Notification must include the account number, account name, Portfolio number, trade date and purchase amount. On or before settlement date, the investor paying by wire must request their bank to transmit immediately available funds (federal funds) by wire to the Fund’s custodian for the account of DFA Investment Dimensions Group Inc. (specify the Portfolio). Additional investments also may be made through the wire procedure by first notifying the transfer agent. If your payment is not received on settlement date, your purchase may be canceled.

Check. Investors who wish to purchase shares of a Portfolio by check should first call the Portfolio’s transfer agent at (888) 576-1167 for additional instructions. Checks should be made payable to Dimensional Funds. Reference the name of the Portfolio in which you wish to invest.

Shares also may be purchased and sold by individuals through securities firms that may charge a service fee or commission for such transactions. No such fee or commission is charged on shares that are purchased or redeemed directly from the Fund. Investors who are clients of investment advisory organizations may also be subject to investment advisory fees under their own arrangements with such organizations.

IN-KIND PURCHASES

If accepted by the Fund, shares of the Portfolios may be purchased in exchange for securities which are eligible for acquisition by the Portfolios (or Underlying Funds) or otherwise represented in their portfolios as described in this Prospectus or as otherwise consistent with the Fund’s policies or procedures or in exchange for local currencies in which such securities of the International Equity Underlying Funds or Fixed Income Underlying Funds are denominated. Securities and local currencies accepted by the Fund for exchange and Fund shares to be issued in the exchange will be valued as set forth under “VALUATION OF SHARES” at the time of the next determination of net asset value after such acceptance. All dividends, interest, subscription, or other rights pertaining to such securities shall become the property of the Portfolio whose shares are being acquired and must be delivered to the Fund by the investor upon receipt from the issuer. Investors who desire to purchase shares of the Portfolios with local currencies should first contact the Advisor.

The Fund will not accept securities in exchange for shares of a Portfolio unless: (1) such securities are, at the time of the exchange, eligible to be included, or otherwise represented, in the Portfolio whose shares are to be issued (or in its Underlying Funds) and current market values are available for such securities based on the Fund’s valuation procedures; (2) the investor represents and agrees that all securities offered to be exchanged are not subject to any restrictions upon their sale by the Portfolio under the Securities Act of 1933 or under the laws of the country in which the principal market for such securities exists, or otherwise; and (3) at the discretion of the Fund, the value of any such security (except U.S. government securities) being exchanged, together with other securities of the same issuer owned by the Portfolio or Underlying Fund, may not exceed 5% of the net assets of the Portfolio or Underlying Fund immediately after the transaction.

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A gain or loss for federal income tax purposes will generally be realized by investors who are subject to federal taxation upon the exchange depending upon the cost of the securities or local currency exchanged. Investors interested in such exchanges should contact the Advisor. Purchases of shares will be made in full and fractional shares calculated to three decimal places. In the interest of economy and convenience, certificates for shares will not be issued.

Policy Regarding Excessive Short-Term Trading

The Portfolios are designed for long-term investors (except as described below) and are not intended for investors that engage in excessive short-term trading activity that may be harmful to the Portfolios, including but not limited to market timing. Excessive short-term trading into and out of the Portfolios can disrupt portfolio management strategies, harm performance and increase Portfolio expenses for all shareholders, including long term shareholders who do not generate these costs.

In addition, certain Portfolios may be more susceptible to the risks of short-term trading than other Portfolios. The nature of the holdings of the International Equity Underlying Funds may present opportunities for a shareholder to engage in a short-term trading strategy that exploits possible delays between changes in the price of a Portfolio’s or Underlying Fund’s holdings and the reflection of those changes in the Portfolio’s net asset value (called “arbitrage market timing”). Such delays may occur because a Portfolio or its International Equity Underlying Funds, if applicable, have significant investments in foreign securities where, due to time zone differences, the values of those securities are established some time before the Portfolio and/or the International Equity Underlying Funds calculate their net asset values. In such circumstances, the available market prices for such foreign securities may not accurately reflect the latest indications of value at the time the International Equity Underlying Fund calculates its net asset value. There is a possibility that arbitrage market timing may dilute the value of a Portfolio’s shares if redeeming shareholders receive proceeds (and purchasing shareholders receive shares) based upon a net asset value that does not reflect appropriate fair value prices.

The Board has adopted a policy (the “Trading Policy”) and the Advisor and DFA Securities LLC (collectively, “Dimensional”) and Dimensional’s agents have implemented the following procedures, which are designed to discourage and prevent market timing or excessive short-term trading in the Fund: (i) trade activity monitoring and purchase blocking procedures; and (ii) use of fair value pricing.

The Fund, Dimensional and their agents monitor trades and flows of money in and out of the Portfolios from time to time in an effort to detect excessive short-term trading activities, and for consistent enforcement of the Trading Policy. The Fund reserves the right to take the actions necessary to stop excessive or disruptive trading activities, including refusing or canceling purchase or exchange orders for any reason, without prior notice, particularly purchase or exchange orders that the Fund believes are made on behalf of market timers. The Fund, Dimensional and their agents reserve the right to restrict, refuse or cancel any purchase or exchange request made by an investor indefinitely if the Fund or Dimensional believes that any combination of trading activity in the accounts is potentially disruptive to a Portfolio. In making such judgments, the Fund and Dimensional seek to act in a manner that is consistent with the interests of shareholders. For purposes of applying these procedures, Dimensional may consider an investor’s trading history in the Portfolios, and accounts under common ownership, influence or control.

In addition to the Fund’s general ability to restrict potentially disruptive trading activity as described above, the Fund also has adopted purchase blocking procedures. Under the Fund’s purchase blocking procedures, where an investor has engaged in any two purchases and two redemptions (including redemptions that are part of an exchange transaction) in a Portfolio in any rolling 30 calendar day monitoring period (i.e., two “round trips”), the Fund and Dimensional intend to block the investor from making any additional purchases in that Portfolio for 90 calendar days (a “purchase block”). If implemented, a purchase block will begin at some point after the transaction that caused the investor to have engaged in the prohibited two round-trips is detected by the Fund, Dimensional, or their agents. The Fund and Dimensional are permitted to implement a longer purchase block, or permanently bar future purchases by an investor, if they determine that it is appropriate.

Under the Fund’s purchase blocking procedures, the following purchases and redemptions will not trigger a purchase block: (i) purchases and redemptions of shares having a value in each transaction of less than $25,000; (ii) purchases and redemptions by U.S. registered investment companies that operate as fund of funds and non-U.S. investment companies that operate as fund of funds that the Fund or Dimensional, in their sole discretion, have

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determined are not designed and/or are not serving as vehicles for excessive short-term or other disruptive trading (in each case, the fund of funds shall agree to be subject to monitoring by Dimensional); (iii) purchases and redemptions by a feeder portfolio of a master fund’s shares; (iv) systematic or automated transactions where the shareholder, financial advisor or investment fiduciary does not exercise direct control over the investment decision; (v) retirement plan contributions, loans, loan repayments and distributions (including hardship withdrawals) identified as such in the retirement plan recordkeeper’s system; (vi) purchase transactions involving transfers of assets, rollovers, Roth IRA conversions and IRA recharacterizations; (vii) purchases of shares with Portfolio dividends or capital gain distributions; (viii) transfers and reregistrations of shares within the same Portfolio; and (ix) transactions by 529 Plans. Notwithstanding the Fund’s purchase blocking procedures, all transactions in Portfolio shares are subject to the right of the Fund and Dimensional to restrict potentially disruptive trading activity (including purchases and redemptions described above that will not be subject to the purchase blocking procedures).

The Fund, Dimensional or their designees have the ability, pursuant to Rule 22c-2 under the 1940 Act, to request information from financial intermediaries, such as 401(k) plan administrators, trust companies and broker-dealers (together, “Intermediaries”), concerning trades placed in omnibus and other multi-investor accounts (together, “Omnibus Accounts”), in order to attempt to monitor trades that are placed by the underlying shareholders of these Omnibus Accounts. The Fund, Dimensional and their designees will use the information obtained from the Intermediaries to monitor trading in the Fund and to attempt to identify shareholders in Omnibus Accounts engaged in trading that is inconsistent with the Trading Policy or otherwise not in the best interests of the Fund. The Fund, Dimensional or their designees, when they detect trading patterns in shares of the portfolios of the Fund that may constitute short-term or excessive trading, will provide written instructions to the Intermediary to restrict or prohibit further purchases or exchanges of shares of the Portfolios (and other portfolios of the Fund) by a shareholder that has been identified as having engaged in excessive or short-term transactions in the Portfolios’ shares (directly or indirectly through the Intermediary’s account) that violate the Trading Policy.

The ability of the Fund and Dimensional to impose these limitations, including the purchase blocking procedures, on investors investing through Intermediaries is dependent on the receipt of information necessary to identify transactions by the underlying investors and the Intermediary’s cooperation in implementing the Trading Policy. Investors seeking to engage in excessive short-term trading practices may deploy a variety of strategies to avoid detection, and despite the efforts of the Fund and Dimensional to prevent excessive short-term trading, there is no assurance that the Fund, Dimensional or their agents will be able to identify those shareholders or curtail their trading practices. The ability of the Fund, Dimensional and their agents to detect and limit excessive short-term trading also may be restricted by operational systems and technological limitations.

Transactions in certain rebalancing programs and asset allocation programs, or fund-of-funds products, may be exempt from the Trading Policy subject to approval by the CCO. In addition, the purchase blocking procedures will not apply to a redemption transaction in which a Portfolio distributes portfolio securities to a shareholder in-kind, where the redemption will not disrupt the efficient portfolio management of the Portfolio/Underlying Fund and the redemption is consistent with the interests of the remaining shareholders of the Portfolio/Underlying Fund.

The purchase blocking procedures of the Trading Policy do not apply to shareholders whose shares are held on the books of certain Intermediaries that have not expressly adopted procedures to implement this Policy. The Fund and Dimensional may work with Intermediaries to implement purchase blocking procedures or other procedures that the Fund and Dimensional determine are reasonably designed to achieve the objective of this Trading Policy. At the time the Intermediaries adopt these procedures, shareholders whose accounts are on the books of such Intermediaries will be subject to the Trading Policy’s purchase blocking procedures or another frequent trading policy that achieves the objective of the purchase blocking procedures. Investors that invest in the Portfolios through an Intermediary should contact the Intermediary for information concerning the policies and procedures that apply to the investor.

As of the date of this Prospectus, the ability of the Fund and Dimensional to apply the purchase blocking procedures on purchases by all investors and the ability of the Fund and Dimensional to monitor trades through Omnibus Accounts maintained by Intermediaries may be restricted due to systems limitations of both the Fund’s service providers and the Intermediaries. The Fund expects that the application of the Trading Policy as described above, including the purchase blocking procedures (subject to the limitations described above), will be able to be implemented by Intermediaries in compliance with Rule 22c-2 under the 1940 Act.

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In addition to monitoring trade activity, the Board has approved fair value pricing procedures that govern the pricing of the securities of the Portfolios and Underlying Funds. These procedures are designed to help ensure that the prices at which Portfolio shares are purchased and redeemed are fair, and do not result in dilution of shareholder interests or other harm to shareholders. See the discussion under “VALUATION OF SHARES—Net Asset Value” for additional details regarding fair value pricing of the Portfolio’s securities.

Although the procedures are designed to discourage excessive short-term trading, none of the procedures individually nor all of the procedures taken together can completely eliminate the possibility that excessive short term trading activity in a Portfolio may occur. The Portfolios and Underlying Funds do not knowingly accommodate excessive or disruptive trading activities, including market timing.

Valuation of Shares

NET ASSET VALUE

The following discussion applies to the Portfolios and their Underlying Funds. The value of the shares of the Portfolios will fluctuate in relation to the investment experience of the Underlying Funds in which such Portfolios invest. The net asset value per share of each Portfolio is calculated after the close of the NYSE (normally, 4:00 p.m. ET) by dividing the total value of the Portfolio’s investments and other assets, less any liabilities, by the total outstanding shares of the stock of the respective Portfolio. Each Portfolio generally calculates its net asset value per share and accepts purchase and redemption orders on days that the NYSE is open for trading. Note: The time at which transactions and shares are priced may be changed in case of an emergency or if the NYSE closes at a time other than 4:00 p.m. ET.

Securities held by the Portfolios will be valued in accordance with applicable laws and procedures approved by the Board, and generally, as described below.

Equity securities held by the Portfolios (including exchange-traded investment companies and over-the-counter securities) are valued at the last quoted sale price of the day. Securities held by the Portfolios that are listed on Nasdaq Global Market® (“Nasdaq”) are valued at the Nasdaq Official Closing Price (“NOCP”). If there is no last reported sale price or NOCP of the day, the Portfolios value the securities at the mean between the most recent quoted bid and asked prices. Price information on listed securities is taken from the exchange where the security is primarily traded. Generally, options will be valued using the same pricing methods discussed above.

Generally, securities issued by open-end investment companies (excluding exchange-traded investment companies) are valued using their respective net asset values or public offering prices, as appropriate, for purchase orders placed at the close of the NYSE.

Debt securities will be valued on the basis of prices provided by one or more pricing services or other reasonably reliable sources, including broker/dealers that typically handle the purchase and sale of such securities using data, reflecting the earlier closing of the principal markets for those securities. Securities which are traded over-the-counter and on a stock exchange generally will be valued according to the broadest and most representative market, and it is expected that for bonds and other fixed income securities, this ordinarily will be the over-the-counter market. Net asset value includes interest on fixed income securities which is accrued daily.

The value of the securities and other assets of the Portfolios for which no market quotations are readily available (including restricted securities), or for which market quotations have become unreliable, are determined in good faith at fair value in accordance with Rule 2a-5 under the 1940 Act pursuant to procedures approved by the Board. Fair value pricing may also be used if events that have a significant effect on the value of an investment (as determined in the discretion of the Advisor) occur before the net asset value is calculated. When fair value pricing is used, the prices of securities used by the Portfolios may differ from the quoted or published prices for the same securities on their primary markets or exchanges.

Valuing securities at fair value involves greater reliance on judgment than valuing securities that have readily available market quotations. There can be no assurance that a Portfolio could obtain the fair value assigned to a security if it were to sell the security at approximately the time at which the Portfolio determines its net asset value per share. As a result, the sale or redemption by a Portfolio of its shares at net asset value, at a time when a holding

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or holdings are valued at fair value, may have the effect of diluting or increasing the economic interest of existing shareholders.

To the extent that a Portfolio holds large numbers of securities, it is likely that it will have a larger number of securities that may be deemed illiquid and therefore must be valued pursuant to fair value pricing procedures approved by the Board than would a fund that holds a smaller number of securities.  

As of the date of this Prospectus, the Portfolios holding foreign equity securities will also fair value in the circumstances described below. Generally, trading in foreign securities markets is completed each day at various times before the close of the NYSE. For example, trading in the Japanese securities markets is completed each day at the close of the Tokyo Stock Exchange (normally 2:00 a.m. ET), which is fourteen hours before the close of the NYSE (normally 4:00 p.m. ET) and the time that the net asset values of the Portfolios are computed. Due to the time differences between the closings of the relevant foreign securities exchanges and the time the Portfolios price their shares at the close of the NYSE, the Portfolios will fair value their foreign investments when it is determined that the market quotations for the foreign investments are either unreliable or not readily available. The fair value prices will attempt to reflect the impact of the U.S. financial markets’ perceptions and trading activities on the Portfolios’ foreign investments since the last closing prices of the foreign investments were calculated on their primary foreign securities markets or exchanges. For these purposes, the Advisor has determined that movements in relevant indices or other appropriate market indicators, after the close of the Tokyo Stock Exchange or the London Stock Exchange, demonstrate that market quotations may be unreliable, and may trigger fair value pricing. Consequently, fair valuation of portfolio securities may occur on a daily basis. The fair value pricing by the Portfolios utilizes data furnished by an independent pricing service (and that data draws upon, among other information, the market values of foreign investments). When the Portfolios use fair value pricing, the values assigned to the Portfolios’ foreign investments may not be the quoted or published prices of the investments on their primary markets or exchanges. The Advisor monitors the operation of the method used to fair value price the Portfolios’ foreign investments.

Because the Portfolios may own securities that are primarily traded in foreign markets which may trade on days when the Portfolios do not price their shares, the net asset values of the Portfolios may change on days when shareholders will not be able to purchase or redeem shares. The Portfolios generally calculate their net asset values per share and accept purchase and redemption orders on days that the NYSE is open for trading.

Futures contracts are valued using the settlement price established each day on the exchange on which they are traded. The value of such futures contracts held by the Portfolios is determined each day as of such close. In the absence of prices that are readily available as defined in Rule 2a-5, the futures contract will be valued in good faith at fair value in accordance with procedures approved by the Board.

PUBLIC OFFERING PRICE

Provided that the transfer agent has received the investor’s purchase order in good order as described in “PURCHASE OF SHARES,” shares of the Portfolio selected will be priced at the public offering price, which is the net asset value of the shares next determined after receipt of such order. The transfer agent or the Fund may, from time to time, appoint sub-transfer agents or various financial intermediaries (“Intermediaries”) for the receipt of purchase orders, redemption orders, and funds from certain investors. Intermediaries, in turn, are authorized to designate other financial intermediaries (“Sub-designees”) to receive purchase and redemption orders for the Portfolios’ shares from investors. With respect to such investors, the shares of a Portfolio will be priced at the public offering price calculated after receipt of the purchase order by the Intermediary or Sub-designee, as applicable, that is authorized to receive purchase orders. If the investor buys shares through an Intermediary or Sub-designee, the purchase price will be the public offering price next calculated after the Intermediary or Sub-designee, as applicable, receives the order, rather than on the day the custodian receives the investor’s payment (provided that the Intermediary or Sub-designee, as applicable, has received the investor’s purchase order in good order, and the investor has complied with the Intermediary’s or Sub-designee’s payment procedures). No reimbursement fee or sales charge is imposed on purchases. If an order to purchase shares must be canceled due to non-payment, the purchaser will be responsible for any loss incurred by a Portfolio arising out of such cancellation. The Fund reserves the right to redeem shares owned by any purchaser whose order is canceled to recover any resulting loss to a Portfolio and may prohibit or restrict the manner in which such purchaser may place further orders.

When authorized by the Fund, certain financial institutions purchasing a Portfolio’s shares on behalf of customers or plan participants may place a purchase order unaccompanied by payment. Payment for these shares must be

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received by the time designated by the Fund (not to exceed the period established for settlement under applicable regulations). If payment is not received by this time, the order may be canceled. The financial institution is responsible for any costs or losses incurred by the Fund if payment is not received or delayed.

Exchange of Shares

Investors may exchange shares of a Portfolio for shares of another portfolio by first contacting the Portfolio’s transfer agent at (888) 576-1167 to notify the transfer agent of the proposed exchange and then sending a letter of instruction to the transfer agent by an approved method. Shareholders that invest in a Portfolio through a financial intermediary should contact their financial intermediary for information regarding exchanges.

Exchanges are accepted into those Portfolios that are eligible for the exchange privilege, subject to the purchase requirement set forth in the applicable Portfolio’s prospectus. Investors may contact the transfer agent at the above-listed phone number for more information on such exchanges, for a list of those Portfolios that accept exchanges, and to request a copy of the prospectuses of other portfolios of the Fund or Dimensional Investment Group Inc. that may be offered in an exchange. There is no fee imposed on an exchange. However, the Fund reserves the right to impose an administrative fee in order to cover the costs incurred in processing an exchange. Any such fee will be disclosed in the Prospectus. An exchange is treated as a redemption and a purchase. Therefore, an investor could realize a taxable gain or a loss on the transaction. The Fund reserves the right to revise or terminate the exchange privilege, or limit the amount of or reject any exchange, as deemed necessary, at any time.

The exchange privilege is not intended to afford shareholders a way to speculate on short-term movements in the markets. Accordingly, in order to prevent excessive use of the exchange privilege that may potentially disrupt the management of the Portfolios or otherwise adversely affect the Fund, any proposed exchange is subject to the approval of the Advisor. Such approval will depend on: (i) the size of the proposed exchange; (ii) the prior number of exchanges by that shareholder; (iii) the nature of the underlying securities and the cash position of the portfolios involved in the proposed exchange; (iv) the transaction costs involved in processing the exchange; and (v) the total number of redemptions by exchange already made out of a Portfolio. Excessive use of the exchange privilege is defined as any pattern of exchanges among portfolios by an investor that evidences market timing.

The redemption and purchase prices of shares redeemed and purchased by exchange, respectively, are the net asset values next determined after the transfer agent has received a letter of instruction in good order. “Good order” means a completed letter of instruction specifying the dollar amount to be exchanged, signed by all registered owners (or representatives thereof) of the shares; and if the Fund does not have on file the authorized signatures for the account, proof of authority. Exchanges will be accepted only if the shares of the Portfolio being acquired are registered in the investor’s state of residence.

Redemption of Shares

REDEMPTION PROCEDURE

Investors who desire to redeem shares of a Portfolio must first contact the Portfolio’s transfer agent at (888) 576-1167. Shareholders who invest in the Portfolios through a financial intermediary (including a sponsor of a Retirement Plan) should contact their financial intermediary regarding redemption procedures. Each Portfolio will redeem shares at the net asset value of such shares next determined, after receipt of a written request for redemption in good order, by the transfer agent (or by an Intermediary or a Sub-designee, if applicable). “Good order” means that the request to redeem shares must include all necessary documentation, to be received in writing by the transfer agent no later than the close of regular trading on the NYSE (normally, 4:00 p.m. ET) (“Market Close”), including but not limited to, a letter of instruction specifying the number of shares or dollar amount to be redeemed, signed by all registered owners (or representatives thereof) of the shares and, if the Fund does not have on file the authorized signatures for the account, proof of authority. It is the investor or financial intermediary’s responsibility to ensure notification is received in good order by the transfer agent prior to the Market Close on the redemption date.

Under certain conditions, Portfolios may accept and process redemption orders after the close of the NYSE on days that the NYSE unexpectedly closes early and may accept orders on a business day that the NYSE is unexpectedly closed. All orders will be processed at the next determined net asset value per share.

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Shareholders redeeming shares who do not already have an agreement in place with the Fund and have authorized redemption payment by wire in writing, may request that redemption proceeds be paid in federal funds wired to the bank they have designated in writing. The Fund reserves the right to send redemption proceeds by check in its discretion; a shareholder may request overnight delivery of such check at the shareholder’s own expense. If the proceeds are to be wired to a bank account that differs from the standing instructions on file, or paid by check to an address other than the address of record, the transfer agent may request a Medallion Signature Guarantee. If the proceeds are wired to the shareholder’s account at a bank that is not a member of the Federal Reserve System, there could be a delay in crediting the funds to the shareholder’s bank account. The Fund reserves the right at any time to suspend or terminate the redemption by wire procedure after prior notification to shareholders. No fee is charged for redemptions. The redemption of all shares in an account will result in the account being closed. A new Account Registration Form will be required for future investments. See “PURCHASE OF SHARES.” In the interests of economy and convenience, certificates for shares are not issued.

For redemption proceeds that are paid directly to a shareholder by a Portfolio, each Portfolio typically expects to send (via check, wire or automated clearing house) redemption payments within 1 business day after receipt of a written request for redemption in good order by the transfer agent. For payments that are made to an intermediary for transmittal to a shareholder, each Portfolio expects to pay redemption proceeds to the intermediary within 1 to 2 business days following the Portfolio’s receipt of the redemption order from the intermediary. Under certain circumstances and when deemed in the best interest of a Portfolio, redemption proceeds may take up to seven calendar days to be sent after receipt of the redemption request. In addition, with respect to investors redeeming shares that were purchased by check, payment will not be made until the Fund can verify that the payments for the purchase have been, or will be, collected, which may take more than seven calendar days. Investors may avoid this delay by submitting a certified check along with the purchase order.

Redemption proceeds will typically be paid by Federal Reserve wire payment. Each Portfolio typically expects to satisfy redemption requests from available cash and cash equivalents or the sale of portfolio assets. In certain circumstances, such as stressed market conditions, a Portfolio may use other methods to meet redemptions, including the use of a line of credit or participating in an interfund lending program in reliance on exemptive relief from the SEC. In addition, as described below, each Portfolio reserves the right to meet redemption requests through an in-kind redemption, typically in response to a particularly large redemption, at the request of a client or in stressed market conditions. Also, see “Redemption and Transfer of Shares” in the SAI for information regarding redemption requests that exceed $250,000 or 1% of the value of a Portfolio’s assets, whichever is less.

REDEMPTION OF SMALL ACCOUNTS

With respect to each Portfolio, the Fund reserves the right to redeem an account if the value of the shares in a specific Portfolio is $500 or less. Before the Fund involuntarily redeems shares from such an account and sends the proceeds to the shareholder, the Fund will give written notice of the redemption to the shareholder at least sixty days before the redemption date. The shareholder will then have sixty days from the date of the notice to make an additional investment in order to bring the value of the shares in the account for a specific Portfolio to more than $500 and avoid such involuntary redemption. The redemption price to be paid to a shareholder for shares redeemed by the Fund under this right will be the aggregate net asset value of the shares in the account at the close of business on the redemption date.

IN-KIND REDEMPTIONS

When in the best interests of a Portfolio, it may make a redemption payment, in whole or in part, by a distribution of portfolio securities that the Portfolio owns in lieu of cash. Such distributions may be pro rata or another method that is determined to be fair to both the redeeming shareholder and the remaining shareholders in accordance with policies and procedures adopted by the Fund. The securities that the investor receives as redemption proceeds are subject to market risk until the investor liquidates those securities, and, if the proceeds include illiquid securities, the investor will bear the risk of not being able to sell the securities at all. Investors may also incur brokerage charges and other transaction costs selling securities that were received in payment of redemptions.

Disclosure of Portfolio Holdings

Each Portfolio and Underlying Fund generally will disclose up to its 25 largest portfolio holdings (other than cash and cash equivalents) and the percentages that each of these largest portfolio holdings represent of the total assets

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of the Portfolio or Underlying Fund, as of the most recent month-end, online at the Advisor’s public website, https://www.dimensional.com, within 20 days after the end of each month. Each Portfolio and Underlying Fund also generally will disclose its complete portfolio holdings (other than cash and cash equivalents), as of month-end, online at the Advisor’s public website, 30 days following the month-end or more frequently and at different periods when authorized in accordance with the Portfolios’ or Underlying Funds' policies and procedures. Please consult the SAI for a description of the other policies and procedures that govern disclosure of the portfolio holdings by the Portfolios and Underlying Funds.

Delivery of Shareholder Documents

To eliminate duplicate mailings and reduce expenses, the Portfolios may deliver a single copy of certain shareholder documents, such as this Prospectus and annual and semi-annual reports, to related shareholders at the same address, even if accounts are registered in different names. This practice is known as “householding.” The Portfolios will not household personal information documents, such as account statements. If you do not want the mailings of these documents to be combined with those of other members of your household, please call the transfer agent at (888) 576-1167. We will begin sending individual copies of the shareholder documents to you within 30 days of receiving your request.

Financial Highlights

The Financial Highlights table is meant to help you understand each Portfolio’s financial performance for the past five years or, if shorter, the period of that Portfolio’s operations, as indicated by the table. The total returns in the table represent the rate that you would have earned (or lost) on an investment in the Portfolio, assuming reinvestment of all dividends and distributions. This information has been audited by PricewaterhouseCoopers LLP, whose report, along with the Portfolios’ annual financial statements, are included in the Fund's annual report. Further information about each Portfolio’s performance is contained in the annual report, which is available upon request.

49


DFA Investment Dimensions Group Inc.

Financial Highlights
(For a share outstanding throughout each period)

           

 

Dimensional 2010 Target Date Retirement Income Fund

 

Year
Ended
Oct 31,
2023

Year
Ended
Oct 31,
2022

Year
Ended
Oct 31,
2021

Year
Ended
Oct 31,
2020

Year
Ended
Oct 31,
2019

 

 

 

 

 

 

Net Asset Value, Beginning of Year

$10.59

$12.82

$11.84

$11.13

$10.32

Income from Investment Operations#

 

 

 

 

 

Net Investment Income (Loss)

0.30

0.66

0.41

0.14

0.23

Net Gains (Losses) on Securities (Realized and Unrealized)

(0.01)

(2.11)

1.18

0.76

0.80

Total from Investment Operations

0.29

(1.45)

1.59

0.90

1.03

Less Distributions:

 

 

 

 

 

Net Investment Income

(0.31)

(0.64)

(0.41)

(0.14)

(0.22)

Net Realized Gains

(0.14)

(0.20)

(0.05)

Total Distributions

(0.31)

(0.78)

(0.61)

(0.19)

(0.22)

Net Asset Value, End of Year

$10.57

$10.59

$12.82

$11.84

$11.13

Total Return

2.68%

(11.62%)

13.65%

8.09%

10.09%

Net Assets, End of Year (thousands)

$16,709

$20,653

$25,985

$18,952

$19,681

Ratio of Expenses to Average Net Assets ^‡

0.18%

0.18%

0.19%

0.20%

0.21%

Ratio of Expenses to Average Net Assets (Excluding Expenses Reimbursed by Advisor)^ ‡

0.30%

0.24%

0.34%

0.45%

0.55%

Ratio of Net Investment Income to Average Net Assets

2.74%

5.55%

3.25%

1.22%

2.10%

‡ The Ratio of Expenses to Average Net Assets is inclusive of acquired fund fees and expenses incurred by the Portfolio indirectly as a result of Portfolio’s investment in Underlying Funds as follows:

0.12%

0.12%

0.13%

0.14%

0.15%

# Computed using average shares outstanding.

^ Represents the combined ratios for the Portfolio and its pro-rata share of its Underlying Funds.

50


DFA Investment Dimensions Group Inc.

Financial Highlights
(For a share outstanding throughout each period)

           

 

Dimensional 2015 Target Date Retirement Income Fund

 

Year
Ended
Oct 31,
2023

Year
Ended
Oct 31,
2022

Year
Ended
Oct 31,
2021

Year
Ended
Oct 31,
2020

Year
Ended
Oct 31,
2019

 

 

 

 

 

 

Net Asset Value, Beginning of Year

$10.31

$13.18

$12.20

$11.28

$10.34

Income from Investment Operations#

 

 

 

 

 

Net Investment Income (Loss)

0.31

0.72

0.47

0.14

0.23

Net Gains (Losses) on Securities (Realized and Unrealized)

(0.14)

(2.55)

1.27

0.93

0.94

Total from Investment Operations

0.17

(1.83)

1.74

1.07

1.17

Less Distributions:

 

 

 

 

 

Net Investment Income

(0.31)

(0.74)

(0.46)

(0.14)

(0.23)

Net Realized Gains

(0.30)

(0.30)

(0.01)

(—)

Total Distributions

(0.31)

(1.04)

(0.76)

(0.15)

(0.23)

Net Asset Value, End of Year

$10.17

$10.31

$13.18

$12.20

$11.28

Total Return

1.58%

(14.53%)

14.68%

9.58%

11.39%

Net Assets, End of Year (thousands)

$29,859

$33,536

$45,672

$41,450

$51,570

Ratio of Expenses to Average Net Assets ^‡

0.17%

0.17%

0.18%

0.19%

0.19%

Ratio of Expenses to Average Net Assets (Excluding Expenses Reimbursed by Advisor)^ ‡

0.24%

0.19%

0.25%

0.29%

0.33%

Ratio of Net Investment Income to Average Net Assets

2.89%

6.02%

3.69%

1.23%

2.09%

‡ The Ratio of Expenses to Average Net Assets is inclusive of acquired fund fees and expenses incurred by the Portfolio indirectly as a result of Portfolio’s investment in Underlying Funds as follows:

0.11%

0.11%

0.12%

0.13%

0.13%

# Computed using average shares outstanding.

^ Represents the combined ratios for the Portfolio and its pro-rata share of its Underlying Funds.

51


DFA Investment Dimensions Group Inc.

Financial Highlights
(For a share outstanding throughout each period)

           

 

Dimensional 2020 Target Date Retirement Income Fund

 

Year
Ended
Oct 31,
2023

Year
Ended
Oct 31,
2022

Year
Ended
Oct 31,
2021

Year
Ended
Oct 31,
2020

Year
Ended
Oct 31,
2019

 

 

 

 

 

 

Net Asset Value, Beginning of Year

$10.35

$13.80

$12.66

$11.60

$10.52

Income from Investment Operations#

 

 

 

 

 

Net Investment Income (Loss)

0.32

0.76

0.48

0.15

0.24

Net Gains (Losses) on Securities (Realized and Unrealized)

(0.29)

(3.01)

1.35

1.12

1.11

Total from Investment Operations

0.03

(2.25)

1.83

1.27

1.35

Less Distributions:

 

 

 

 

 

Net Investment Income

(0.32)

(0.76)

(0.48)

(0.15)

(0.24)

Net Realized Gains

(0.07)

(0.44)

(0.21)

(0.06)

(0.03)

Total Distributions

(0.39)

(1.20)

(0.69)

(0.21)

(0.27)

Net Asset Value, End of Year

$9.99

$10.35

$13.80

$12.66

$11.60

Total Return

0.18%

(17.18%)

14.83%

11.11%

12.94%

Net Assets, End of Year (thousands)

$85,897

$100,847

$131,477

$125,810

$120,380

Ratio of Expenses to Average Net Assets ^‡

0.19%

0.19%

0.19%

0.20%

0.21%

Ratio of Expenses to Average Net Assets (Excluding Expenses Reimbursed by Advisor)^ ‡

0.20%

0.18%

0.20%

0.22%

0.25%

Ratio of Net Investment Income to Average Net Assets

3.00%

6.20%

3.60%

1.27%

2.15%

‡ The Ratio of Expenses to Average Net Assets is inclusive of acquired fund fees and expenses incurred by the Portfolio indirectly as a result of Portfolio’s investment in Underlying Funds as follows:

0.13%

0.13%

0.13%

0.14%

0.15%

# Computed using average shares outstanding.

^ Represents the combined ratios for the Portfolio and its pro-rata share of its Underlying Funds.

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Other Available Information

You can find more information about the Fund and its Portfolios in the Portfolios’  SAI and Annual and Semi-Annual Reports.

Statement of Additional Information

The SAI, incorporated herein by reference, supplements, and is technically part of, this Prospectus. It includes an expanded discussion of investment practices, risks, and fund operations.

Annual and Semi-Annual Reports to Shareholders

These reports focus on Portfolio holdings and performance.

The Annual Report also discusses the market conditions and investment strategies that significantly affected the Portfolios in their last fiscal year.

How to get these and other materials:

 Your investment advisor—you are a client of an investment advisor who has invested in the Portfolios on your behalf.

 The Fund—you represent an institutional investor, registered investment advisor or other qualifying investor.  Call collect at (512) 306-7400.

 Access them on our website at https://www.dimensional.com.

 Access them on the EDGAR Database on the SEC’s Internet site at http://www.sec.gov.

 Obtain them, after paying a duplicating fee, by electronic request at the following e-mail address: [email protected].

   

DFA Investment Dimensions Group Inc. —Registration No. 811-3258

Dimensional Fund Advisors LP
6300 Bee Cave Road, Building One  
Austin, TX 78746
(512) 306-7400

COMM-022824-014

00295904