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Filed pursuant to Rule 497(c)
File Nos. 002-98772 and 811-04347

GMO Trust
Prospectus
June 30, 2023
Multi-Asset Class Funds
Benchmark-Free Allocation Fund
 
Class III:
GBMFX
Class IV:
GBMBX
 
Class MF:
Class R6:
GBMSX
 
Class I:
GBMIX
 
 
Global Asset Allocation Fund
 
Class III:
GMWAX
Class R6:
GMWRX
 
Class I:
GMOOX
 
 
Equity Funds
Global Equity Funds
Global Equity Allocation Fund
 
Class III:
GMGEX
Class R6:
GMADX
 
Class I:
GAAUX
 
 
Global Developed Equity Allocation Fund
 
Class III:
GWOAX
Class R6:
 
Class I:
 
 
Quality Fund
 
Class III:
GQETX
Class IV:
GQEFX
 
Class V:
GQLFX
Class VI:
GQLOX
 
Class R6:
GQESX
Class I:
GQLIX
Climate Change Fund
 
Class III:
GCCHX
Class IV:
 
Class V:
Class VI:
 
Class R6:
GCCAX
Class I:
GCCLX
Resources Fund
 
Class III:
GOFIX
Class IV:
GOVIX
 
Class V:
Class VI:
GMOWX
 
Class R6
GAAHX
Class I:
GEACX
Resource Transition Fund
 
Class III:
Class IV:
 
Class V:
Class VI:
GMOYX
 
Class R6
Class I:
Quality Cyclicals Fund
 
Class III:
GMANX
Class IV:
 
Class V:
Class VI:
GMAEX
 
Class R6:
Class I:
GMAOX
International Equity Funds
International Equity Allocation Fund
 
Class III:
GIEAX
Class R6:
GSXMX
 
Class I:
 
 
International Developed Equity Allocation Fund
 
Class III:
GIOTX
Class R6:
GAAWX
 
Class I:
 
 
International Equity Fund
 
Class II:
GMICX
Class III:
GMOIX
 
Class IV:
GMCFX
Class R6:
 
Class I:
GMOUX
 
 
International Opportunistic Value Fund
 
Class III:
GTMIX
Class R6:
 
Class I:
 
 
Japan Value Creation Fund
 
Class III:
GMAKX
Class IV:
 
Class V:
Class VI:
GMAHX
 
Class R6:
Class I:
GMIIX
U.S. Equity Funds
U.S. Equity Fund
 
Class III:
GMUEX
Class IV:
GMRTX
 
Class V:
GMEQX
Class VI:
GMCQX
 
Class R6:
Class I:
U.S. Opportunistic Value Fund
 
Class III:
PPADX
Class IV:
GUSOX
 
Class V:
Class VI:
UUOAX
 
Class R6:
Class I:
PPAEX
U.S. Small Cap Value Fund
 
Class III:
Class IV:
 
Class V:
Class VI:
GCAVX
 
Class R6:
Class I:
Small Cap Quality Fund
 
Class III:
GMAWX
Class IV:
 
Class V:
Class VI:
GSBGX
 
Class R6:
Class I:
GMAYX
 
Equity Funds continued
Emerging Markets Equity Funds
Emerging Markets Fund
 
Class II:
GMEMX
Class III:
GMOEX
 
Class IV:
GMEFX
Class V:
GEMVX
 
Class VI:
GEMMX
Class R6:
GEMNX
 
Class I:
GEMEX
 
 
Emerging Markets ex-China Fund
 
Class II:
Class III:
GMAUX
 
Class IV:
Class V:
 
Class VI:
GMAQX
Class R6:
 
Class I:
GMAVX
 
 
Emerging Markets Select Equity Fund
 
Class II:
GEDTX
Class III:
GEDSX
 
Class IV:
GEDIX
Class V:
GEDOX
 
Class VI:
GEDFX
Class R6:
GEAEX
 
Class I:
GEDBX
 
 
Fixed Income Funds
High Yield Fund
 
 
 
Class III:
Class IV:
 
Class V:
Class VI:
GHVIX
 
Class R6:
Class I:
GMOZX
Multi-Sector Fixed Income Fund
 
Class III:
GUGAX
Class IV:
GPBFX
 
Class R6:
Class I:
Emerging Country Debt Fund
 
Class III:
GMCDX
Class IV:
GMDFX
 
Class VI:
GMOQX
 
 
Emerging Country Debt Shares Fund
 
Class R6:
GMAFX
Class I:
GMAJX
Opportunistic Income Fund
 
Class III:
GMOHX
Class VI:
GMODX
 
Class R6:
GAAAX
Class I:
GMOLX
Alternative Funds
Alternative Allocation Fund
 
Class II:
Class III:
 
Class IV:
Class V:
 
Class VI:
GAAVX
Class R6:
GAAKX
 
Class I:
GAAGX
 
 
SGM Major Markets Fund
 
Class III:
GSMFX
Class IV:
GSMJX
 
Class VI:
GSMHX
Class R6:
GAAJX
 
Class I:
GSMKX
 
 
Implementation Funds
Asset Allocation Bond Fund
 
Class III:
GMOBX
Class VI:
GABFX
Benchmark-Free Fund
 
Class III:
GBFFX
 
 
Implementation Fund
 
Ticker:
GIMFX
 
 
Strategic Opportunities Allocation Fund
 
Class III:
GBATX
 
 
U.S. Treasury Fund
 
Ticker:
GUSTX
 
 
Grantham, Mayo, Van Otterloo & Co. LLC
53 State Street • Floor 33 • Boston, Massachusetts 02109
The Securities and Exchange Commission and the Commodity Futures Trading Commission have not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense.

GMO is not offering or placing interests in the Funds, to or with or otherwise promoting the Funds to any natural or legal persons domiciled or with a registered office in any European Economic Area (“EEA”) Member State where the Alternative Investment Fund Managers Directive (Directive 2011/61/EU) (“AIFMD”) is in force and effect or in the United Kingdom (“UK”), where the Alternative Investment Fund Managers Regulations 2013 as amended, including by the European Union (Withdrawal) Act 2018 and the Alternative Investment Fund Managers (Amendment Etc.) (EU Exit) Regulations 2019 (the “AIFM Law”), are in force and effect. GMO, in its discretion, may accept any such investor into a Fund, but only if it is satisfied that, by accepting such investor, it would not be in breach of any law, rule, regulation or other legislative or administrative measure in or otherwise applicable to the relevant EEA Member State or the UK and such investor is otherwise eligible under the laws of such EEA Member State or the UK to invest in the Fund. None of the Funds, GMO, their respective affiliates or any natural or legal person acting on their behalf have been registered with or approved by any EEA Member State, European Union, UK or other regulatory, governmental or similar body with respect to the Funds, and no such body has approved, endorsed, reviewed, acquiesced or taken any similar action with respect to any offering, marketing or other promotional materials relating to the Funds. If investors invest in the Funds on their own initiative, they will not receive the protections or benefits available under the AIFMD or the AIFM Law or any other rules or regulations that would be applicable if the Funds were approved for marketing in the EEA or the UK (including without limitation the Regulation (EU) 2019/2088 on sustainability-related disclosures in the financial services sector and Regulation (EU) 2020/852 on the establishment of a framework to facilitate sustainable investment.

TABLE OF CONTENTS
 
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inside back cover
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GMO BENCHMARK-FREE ALLOCATION FUND
Investment objective
Positive total return.
Fees and expenses
The table below describes the fees and expenses that you may bear for each class of shares if you buy, hold, and sell shares of the Fund. 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.
Annual Fund operating expenses
(expenses that you bear each year as a percentage of the value of your investment)
 
Class III
Class IV
Class MF
Class R6
Class I
Management fee
0.80%1
0.75%1
0.75%1,2
0.80%1
0.80%1
Other expenses
0.02%
0.02%
0.02%
0.02%
0.13%3
Acquired fund fees and expenses (underlying fund expenses)
0.42%4
0.42%4
0.42%4
0.42%4
0.42%4
Total annual fund operating expenses
1.24%
1.19%
1.19%
1.24%
1.35%
Expense reimbursement/waiver
(0.08%)1
(0.08%)1
(0.08%)1,2
(0.08%)1
(0.09%)1,3
Total annual fund operating expenses after expense
reimbursement/waiver
1.16%
1.11%
1.11%
1.16%
1.26%
1 Includes both management fee of 0.65% and class-specific shareholder service fee, if any, for each class of shares other than Class MF shares, as well as the supplemental support fee for class MF shares. For additional information about the shareholder service fee applicable to each class of shares of the Fund, please see the table included in the section of the Prospectus entitled “Multiple Classes and Eligibility.” Grantham, Mayo, Van Otterloo & Co. LLC (“GMO”) has contractually agreed to reimburse the Fund for the following expenses: audit expenses, fund accounting expenses, pricing service expenses, expenses of non-investment related tax services, transfer agency expenses (excluding, in the case of Class I shares, any amounts paid for sub-transfer agency, recordkeeping and other administrative services provided by financial intermediaries for the benefit of Class I shareholders), expenses of non-investment related legal services provided to the Fund by or at the direction of GMO, federal securities law filing expenses, printing expenses, state and federal registration fees and custody expenses. This reimbursement will continue through at least June 30, 2024 and may not be terminated prior to this date without the action or consent of the Trust’s Board of Trustees. GMO also has contractually agreed to waive or reduce, through at least June 30, 2024, the Fund’s management, shareholder service, and supplemental support fees to the extent necessary to offset the management fees and shareholder service fees paid to GMO that are directly or indirectly borne by the Fund or a class of shares of the Fund as a result of the Fund’s direct or indirect investments in other series of GMO Trust (“GMO Funds”).
2 GMO has contractually agreed to reduce the rate of the supplemental support fees charged each month to the Fund’s Class MF shares based on the net assets attributable to Class MF shares as of the last business day of the preceding month based on the following schedule: 0.10% on the first $6 billion of net assets, 0.05% on the next $2 billion, 0.03% on the next $2 billion, and 0.01% thereafter; provided, however, that the effective rate charged at any time will not be reduced to less than 0.06% of Class MF’s average daily net assets. This rate will be calculated before giving effect to any other reduction or waiver. This reduction will continue through at least June 30, 2024 and may not be terminated prior to this date without the action or consent of the Trust’s Board of Trustees.
3 Includes payments for sub-transfer agency, recordkeeping and other administrative services provided by financial intermediaries for the benefit of Class I shareholders. GMO has contractually agreed to waive its fees with respect to and/or reimburse Class I shares to the extent that amounts paid by the Fund out of the net assets attributable to Class I shares for sub-transfer agency, recordkeeping and other administrative services provided by financial intermediaries for the benefit of Class I shareholders exceed 0.10% of the average daily net assets attributable to Class I shares. This reimbursement will continue through at least June 30, 2024 and may not be terminated prior to this date without the action or consent of the Trust’s Board of Trustees.
4 Consists of approximately 0.08% in underlying fund fees and expenses, less than 0.01% in interest expense and borrowing costs for investments sold short incurred by underlying funds, 0.32% in dividend expenses on short sales incurred by underlying funds and 0.02% in purchase premiums and redemption fees paid to underlying funds. The underlying funds also receive income in connection with short sales, which is reflected in the Fund’s net income but is not reflected as an offset to dividend expenses on short sales in the Fund’s annual fund operating expenses table.
Example
This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, regardless of whether or not you redeem your shares at the end of such periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same as those shown in the table. The one year amounts shown reflect applicable expense reimbursements and waivers noted in the expense table. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
1 Year
3 Years
5 Years
10 Years
Class III
$118
$386
$673
$1,493
Class IV
$113
$370
$647
$1,436
Class MF
$113
$370
$647
$1,436
Class R6
$118
$386
$673
$1,493
Class I
$128
$419
$731
$1,616
Portfolio turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities. A higher portfolio turnover rate may result in higher transaction costs and, for holders of Fund shares subject to U.S. taxes, higher income taxes. These transaction costs,
1

GMO BENCHMARK-FREE ALLOCATION FUND
which are not reflected in Annual Fund operating expenses or in the Example, affect the Fund’s performance. During its fiscal year ended February 28, 2023, the Fund’s portfolio turnover rate (excluding short-term investments) was 19% of the average value of its portfolio securities.
Principal investment strategies
The Fund seeks annualized returns of 5% (net of fees) above the Consumer Price Index and annualized volatility (standard deviation) of 5-10%, each over a complete market cycle. GMO does not manage the Fund to, or control the Fund’s risk relative to, any securities index or securities benchmark.
GMO seeks to achieve the Fund’s investment objective by investing the Fund’s assets in asset classes GMO believes offer the most attractive return and risk opportunities. GMO uses its quantitative multi-year forecasts of returns among asset classes, together with its assessment of the relative risks of such asset classes, to determine the asset classes in which the Fund invests and how much the Fund invests in each asset class. An important component of those forecasts is GMO’s expectation that valuations ultimately revert to their fundamental fair (or intrinsic) value. GMO changes the Fund’s holdings of particular asset classes in response to changes in GMO’s investment outlook and its assessment of market valuations and may use redemptions or purchases of Fund shares to rebalance the Fund’s investments. The factors GMO considers and investment methods GMO uses can change over time.
The Fund is structured as a fund of funds and gains its investment exposures primarily by investing in Implementation Fund. In addition, the Fund may invest in any other GMO Fund (together with Implementation Fund, the “underlying GMO Funds”), whether now existing or created in the future. These underlying GMO Funds may include, among others, Opportunistic Income Fund, Emerging Country Debt Fund, High Yield Fund, and the Alternative Funds (see “Additional Information About the Funds’ Investment Strategies, Risks, and Expenses — Asset Allocation Funds”).
The Fund is permitted to invest (directly or through Implementation Fund or other underlying GMO Funds) in any asset class (e.g., U.S. equity, non-U.S. equity, emerging country equity, U.S. fixed income, non-U.S. fixed income, emerging country debt and commodities), strategy (including long/short and event-driven strategies), sector, country, or region, and at times may have substantial exposure to a single asset class, sector, country, region, or currency or companies with similar market capitalizations. In addition, the Fund is not restricted in its exposure to any particular market and may invest in securities of companies of any market capitalization, and, in the case of debt instruments, of any credit quality (including below investment grade securities (commonly referred to as “high yield” or “junk bonds”)), maturity or duration. The Fund typically has substantial exposure to derivatives and short-sales through its investment in Implementation Fund and the other underlying GMO Funds. GMO’s ability to shift investments within Implementation Fund and between Implementation Fund and the other underlying GMO Funds is not subject to any limits.
In seeking to achieve the Fund’s investment objective, GMO may invest a significant portion of the Fund’s net assets in cash and cash equivalents. In addition, the Fund may lend its portfolio securities. The Fund also may invest in U.S. Treasury Fund, in money market funds unaffiliated with GMO, and directly in the types of investments typically held by money market funds.
Principal risks of investing in the Fund
The value of the Fund’s shares changes with the value of the Fund’s investments. Many factors can affect this value, and you may lose money by investing in the Fund. References to investments include those held directly by the Fund and indirectly through the Fund’s investments in underlying funds (including underlying GMO Funds). Some of the underlying funds are non-diversified investment companies under the Investment Company Act of 1940, as amended, and therefore a decline in the market price of a particular security held by those funds may affect their performance more than if they were diversified investment companies. The principal risks of investing in the Fund are summarized below. For a more complete discussion of these risks, including those risks to which the Fund is exposed as a result of its investments in the underlying funds, see “Additional Information about the Funds’ Investment Strategies, Risks, and Expenses” and “Description of Principal Risks.”
Management and Operational Risk – The Fund runs the risk that GMO’s investment techniques will fail to produce intended results including the annualized returns and volatility the Fund is seeking to achieve. Even if the Fund achieves those returns or that volatility over a market cycle, it may experience shorter periods of significantly lower returns or higher volatility, or both. Over the three-year period and the period beginning with the inception of the Fund’s current investment strategy (July 23, 2003), in each case ending December 31, 2022, the Fund’s annualized net return (Class III shares, before taxes) less the Consumer Price Index was -5.49% and 4.07%, respectively. Over the three-year period and the period beginning July 31, 2003, in each case ending December 31, 2022, the Fund’s annualized net standard deviation (calculated using monthly net returns, before taxes) was 11.07% and 7.75%, respectively. See also “Performance” below.GMO uses quantitative models as part of its investment process. GMO’s models may not accurately predict future market movements. In addition, GMO’s models rely on assumptions and data that are subject to limitations (e.g., inaccuracies, staleness) that could adversely affect their predictive value.The Fund also runs the risk that GMO’s assessment of an investment (including a security’s fundamental fair (or intrinsic) value) is wrong or that deficiencies in GMO’s or another service provider’s internal systems or controls will cause losses for the Fund or impair Fund operations.
Market Risk – Equities – The market price of an equity in the Fund’s portfolio may decline due to factors affecting the issuer or its industry or the economy and equity markets generally. If the Fund purchases an equity for less than its fundamental fair (or
2

GMO BENCHMARK-FREE ALLOCATION FUND
intrinsic) value as assessed by GMO and GMO’s assessment proves to be incorrect, the Fund runs the risk that the market price of the equity will not appreciate or will decline. The Fund also may purchase equities that typically trade at higher multiples of current earnings than other securities, and the market prices of these equities often are more sensitive to changes in future earnings expectations and interest rates than the market prices of equities trading at lower multiples. Declines in stock market prices generally are likely to reduce the net asset value of the Fund’s shares. When the Fund writes put options on a stock index, the value of those options will decline when the value of that index declines. The value of an index depends on the value of the equity securities in the index. Also, the Fund’s investment strategy of writing put options on stock indices can be expected to cause that strategy to underperform relative to those indices when the value of those indices rises sharply.
Non-U.S. Investment Risk – The market prices of many non-U.S. securities fluctuate more than those of U.S. securities. Many non-U.S. securities markets are less stable, smaller, less liquid, and less regulated than U.S. securities markets, and the cost of trading in those markets often is higher than in U.S. securities markets. In addition, non-U.S. securities issuers often are not subject to as much regulation as U.S. issuers, and the reporting, recordkeeping, accounting, custody, and auditing standards to which those issuers are subject often are not as rigorous as U.S. standards. In addition, the Fund is subject to taxation by countries other than the United States, including potentially on a retroactive basis, on (i) capital gains it realizes or dividends, interest, or other amounts it realizes or accrues in respect of non-U.S. investments; (ii) transactions in those investments; and (iii) repatriation of proceeds generated from the sale or other disposition of those investments.Also, the Fund needs a license to invest directly in securities traded in many non-U.S. securities markets, and the Fund is subject to the risk that its license is terminated or suspended. In some non-U.S. securities markets, prevailing custody and trade settlement practices (e.g., the requirement to pay for securities prior to receipt) expose the Fund to credit and other risks. Further, adverse changes in investment regulations, capital requirements or exchange controls could adversely affect the value of the Fund’s investments. The risks above (such as substantial price fluctuations and market instability, illiquidity and lack of regulation) and other risks (e.g., nationalization, expropriation or other confiscation of assets of non-U.S. issuers, difficulties enforcing legal judgments or contractual rights and geopolitical risks) tend to be higher for investments in the securities of companies tied economically to emerging countries. The economies of emerging countries often depend predominantly on only a few industries or revenues from particular commodities and often are more volatile than the economies of developed countries.
Market Risk – Fixed Income – The market price of a fixed income investment can decline due to market-related factors, including rising interest or inflation rates and widening credit spreads, or decreased liquidity due, for example, to market uncertainty about the value of a fixed income investment (or class of fixed income investments).
Derivatives and Short Sales Risk – The use of derivatives involves the risk that their value may not change as expected relative to changes in the value of the underlying assets, pools of assets, rates, currencies or indices. Derivatives also present other risks, including market risk, illiquidity risk, currency risk, credit risk, leveraging risk, commodities risk and counterparty risk. The market price of an option is affected by many factors, including changes in the market prices or dividend rates of underlying securities (or in the case of indices, the securities in such indices); the time remaining before expiration; changes in interest rates or exchange rates; and changes in the actual or perceived volatility of the relevant index or underlying securities. The Fund typically creates short investment exposure by selling securities short or by taking a derivative position in which the value of the derivative moves in the opposite direction from the price of an underlying asset, pool of assets, rate, currency or index. Specifically, the net asset value of the Fund’s shares will be adversely affected if the equities or other assets that are the subject of the Fund’s short exposures appreciate in value. The risk of loss associated with derivatives that provide short investment exposure and short sales of securities is theoretically unlimited.
Smaller Company Risk – Smaller companies may have limited product lines, markets, or financial resources, lack the competitive strength of larger companies, have less experienced managers or depend on a few key employees. The securities of companies with smaller market capitalizations often are less widely held and trade less frequently and in lesser quantities, and their market prices often fluctuate more, than the securities of companies with larger market capitalizations.
Futures Contracts Risk – The loss to the Fund resulting from its use of futures contracts is potentially unlimited. Futures markets are highly volatile, and the use of futures contracts increases the volatility of the Fund’s net asset value. A liquid secondary market may not exist for any particular futures contract at any particular time, and the Fund may be unable when it wishes to effect closing transactions to terminate its exposure under that contract. When the Fund uses futures contracts for hedging purposes, it runs the risk that changes in the prices of the contracts will not correlate perfectly with changes in the securities, index, or other asset underlying the contracts or movements in the prices of the Fund’s investments that are subject to the hedge. In addition, the Fund may be unable to recover or may be delayed in recovering margin or other amounts deposited with a futures commission merchant or futures clearinghouse. Foreign futures contracts are often less liquid and more volatile than U.S. futures contracts.
Credit Risk – The Fund runs the risk that the issuer or guarantor of a fixed income investment (including a sovereign or quasi-sovereign debt issuer) or the obligors of obligations underlying an asset-backed security will be unable or unwilling to satisfy their obligations to pay principal and interest or otherwise to honor their obligations in a timely manner or at all. The market price of a fixed income investment will normally decline as a result of the failure of an issuer, guarantor, or obligor to meet its payment obligations or in anticipation of such a failure. Below investment grade investments have speculative characteristics, and negative
3

GMO BENCHMARK-FREE ALLOCATION FUND
changes in economic conditions or other circumstances are more likely to impair the ability of issuers of those investments to make principal and interest payments than issuers of investment grade investments.In addition, investments in emerging country sovereign or quasi-sovereign debt are subject to a heightened risk that the issuer responsible for repayment of the debt may be unable or unwilling to pay interest and repay principal when due, and the Fund may lack recourse against the issuer in the event of a default. Investments in quasi-sovereign debt also are subject to the risk that the issuer will default independently of its sovereign. Investments in distressed or defaulted or other low quality debt investments generally are considered speculative and are subject to substantial risks not normally associated with investments in higher quality securities, including adverse business, financial or economic conditions that lead to their issuers’ payment defaults and insolvency proceedings. In particular, distressed or defaulted obligations might be repaid, if at all, only after lengthy workout or bankruptcy proceedings during which the issuer might not make any interest or other payments, and the Fund may incur additional expenses in its effort to be repaid. If GMO’s assessment of the eventual recovery value of a distressed or defaulted debt investment proves incorrect, the Fund may lose a substantial portion or all of its original investment or may be required to accept cash or instruments worth less than its original investment.
Currency Risk – Fluctuations in exchange rates can adversely affect the market value of the Fund’s foreign currency holdings and investments denominated in foreign currencies.
Fund of Funds Risk – The Fund is indirectly exposed to all of the risks of an investment in the underlying funds in which it invests, including the risk that those underlying funds will not perform as expected.
Commodities Risk – Commodity prices can be extremely volatile, and exposure to commodities can cause the net asset value of the Fund’s shares to decline or fluctuate significantly in a rapid and unpredictable manner.
Event-Driven Risk