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Class F Prospectus | SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND

TAX-MANAGED AGGRESSIVE STRATEGY FUND

Investment Goal

Long-term capital appreciation.

Fees and Expenses

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

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses	Class F Prospectus SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND - CLASS F
Management Fees	0.10%
Distribution (12b-1) Fees	none
Other Expenses	0.50%
Acquired Fund Fees and Expenses (AFFE)	0.75%
Total Annual Fund Operating Expenses	1.35%	[1]

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 and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example	1 Year	3 Years	5 Years	10 Years
Class F Prospectus | SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND | SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND - CLASS F | USD ($)	137	428	739	1,624

PORTFOLIO TURNOVER

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 8% of the average value of its portfolio.

Principal Investment Strategies

Under normal circumstances, the Fund will seek to generate long-term capital appreciation. The Fund invests in other SEI funds, each of which has its own investment goal (the Underlying SEI Funds). The Underlying SEI Funds invest, in turn, in securities and other instruments of various asset classes. Each of the Underlying SEI Funds is managed by one or more sub-advisers (each, a Sub-Adviser and collectively, the Sub-Advisers) under the supervision of SEI Investments Management Corporation (SIMC or the Adviser), or, in certain circumstances, is managed directly by SIMC.

The Fund's assets may be diversified across Underlying SEI equity funds, bond and money market funds, and real estate funds. The equity funds may consist of a wide range of investment styles that provide investment exposure to U.S. and/or foreign equity securities of companies of various capitalization ranges. The bond funds may consist of a wide range of investment styles that provide exposure to U.S. and/or foreign fixed income securities of varying credit quality (including junk bonds), maturity and duration. The real estate funds provide exposure to the equity securities of real estate companies.

A portion of the U.S. equity component of the Fund's portfolio will be invested in "tax-managed" Underlying SEI Funds. Given this tax-managed strategy, the Fund is intended for investors subject to federal income taxation. Tax-exempt investors may wish to select funds that do not have a tax-managed strategy.

The Fund's assets are allocated among a variety of Underlying SEI Funds within the following percentage ranges:

Underlying SEI Fund Type	Investment Range (Percentage of the Fund's Assets)
U.S. Equity Funds		40-100	%
International Equity Funds		0-40	%
Non-Investment Grade Bond Funds		0-40	%
Investment Grade Bond & Money Market Funds		0-25	%
Real Estate Funds		0-20	%

Principal Risks

The success of the Fund's investment strategy depends on SIMC's allocation of assets among the Underlying SEI Funds. In managing the Fund, SIMC may be incorrect in assessing market trends or the value or growth capability of particular asset classes. In addition, the methodology by which SIMC allocates the Fund's assets among the Underlying SEI Funds may not achieve desired results and may cause the Fund to lose money or underperform other comparable mutual funds.

The Underlying SEI Funds may apply any of a variety of investment strategies and may invest in a broad range of asset classes, securities and other investments to attempt to achieve their designated investment goals. The principal risks of the Fund's investments in the Underlying SEI Funds are set forth below.

Equity Market Risk — The risk that the market value of a security may move up and down, sometimes rapidly and unpredictably. Market risk may affect a single issuer, an industry, a sector or the equity or bond market as a whole. Equity markets may decline significantly in response to adverse issuer, political, regulatory, market, economic or other developments that may cause broad changes in market value, public perceptions concerning these developments, and adverse investor sentiment or publicity. Similarly, environmental and public health risks, such as natural disasters or epidemics, or widespread fear that such events may occur, may impact markets adversely and cause market volatility in both the short- and long-term.

Fixed Income Market Risk — The prices of fixed income securities respond to economic developments, particularly interest rate changes, as well as to perceptions about the creditworthiness of individual issuers, including governments and their agencies. Generally, an Underlying SEI Fund's fixed income securities will decrease in value if interest rates rise and vice versa. In a low interest rate environment, risks associated with rising rates are heightened. Declines in dealer market-making capacity as a result of structural or regulatory changes could decrease liquidity and/or increase volatility in the fixed income markets. Markets for fixed income securities may decline significantly in response to adverse issuer, political, regulatory, market, economic or other developments that may cause broad changes in market value, public perceptions concerning these developments, and adverse investor sentiment or publicity. Similarly, environmental and public health risks, such as natural disasters or epidemics, or widespread fear that such events may occur, may impact markets adversely and cause market volatility in both the short- and long-term. In response to these events, the Underlying SEI Fund's and, in turn, the Fund's value may fluctuate and/or the Underlying SEI Fund and the Fund may experience increased redemptions from shareholders, which may impact the Underlying SEI Fund's and the Fund's liquidity or force the Underlying SEI Fund and the Fund to sell securities into a declining or illiquid market.

Taxation Risk — The Fund is managed to minimize tax consequences to investors, but will likely earn taxable income and gains from time to time.

Investment Company Risk — When the Fund or an Underlying SEI Fund invests in an investment company, in addition to directly bearing the expenses associated with its own operations, it will bear a pro rata portion of the investment company's expenses. In addition, while the risks of owning shares of an investment company generally reflect the risks of owning the underlying investments of the investment company, the Fund may be subject to additional or different risks than if the Fund or an Underlying SEI Fund had invested directly in the underlying investments.

Asset Allocation Risk — The risk that SIMC's decisions regarding asset classes and Underlying SEI Funds will not anticipate market trends successfully.

Small and Medium Capitalization Risk — Small and medium capitalization companies may be more vulnerable to adverse business or economic events than larger, more established companies. In particular, small and medium capitalization companies may have limited product lines, markets and financial resources and may depend upon a relatively small management group. Therefore, small and medium capitalization stocks may be more volatile than those of larger companies. Small and medium capitalization stocks may be traded over-the-counter (OTC). OTC stocks may trade less frequently and in smaller volume than exchange listed stocks and may have more price volatility than that of exchange-listed stocks.

Large Capitalization Risk — The risk that larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and consumer tastes. Larger companies also may not be able to attain the high growth rates of successful smaller companies.

Foreign Investment/Emerging Markets Risk — The risk that non-U.S. securities may be subject to additional risks due to, among other things, political, social and economic developments abroad, currency movements, and different legal, regulatory, tax, accounting and audit environments. These additional risks may be heightened with respect to emerging market countries because political turmoil and rapid changes in economic conditions are more likely to occur in these countries. Investments in emerging markets are subject to the added risk that information in emerging market investments may be unreliable or outdated due to differences in regulatory, accounting or auditing and financial record keeping standards, or because less information about emerging market investments is publicly available. In addition, the rights and remedies associated with emerging market investments may be different than investments in developed markets. A lack of reliable information, rights and remedies increase the risks of investing in emerging markets in comparison to more developed markets. In addition, periodic U.S. Government restrictions on investments in issuers from certain foreign countries may require the Fund or an Underlying SEI Fund to sell such investments at inopportune times, which could result in losses to the Fund or an Underlying SEI Fund.

Below Investment Grade Securities (Junk Bonds) Risk — Fixed income securities rated below investment grade (junk bonds) involve greater risk of default or downgrade and are generally more volatile than investment grade securities because the prospect for repayment of principal and interest of many of these securities is speculative. Because these securities typically offer a higher rate of return to compensate for these risks, they are sometimes referred to as "high yield bonds," but there is no guarantee that an investment in these securities will result in a high rate of return.

U.S. Government Securities Risk — Although U.S. Government securities are considered to be among the safest investments, they are still subject to the credit risk of the U.S. Government and are not guaranteed against price movements due to changing interest rates. Obligations issued by some U.S. Government agencies are backed by the U.S. Treasury, while others are backed solely by the ability of the agency to borrow from the U.S. Treasury or by the agency's own resources. No assurance can be given that the U.S. Government will provide financial support to its agencies and instrumentalities if it is not obligated by law to do so.

Interest Rate Risk — The risk that a rise in interest rates will cause a fall in the value of fixed income securities, including U.S. Government securities, in which the Underlying SEI Funds invest. A low interest rate environment may present greater interest rate risk because there may be a greater likelihood of rates increasing and rates may increase more rapidly.

Real Estate Industry Risk — Securities of companies principally engaged in the real estate industry may be subject to the risks associated with the direct ownership of real estate. Risks commonly associated with the direct ownership of real estate include fluctuations in the value of underlying properties, defaults by borrowers or tenants, changes in interest rates and risks related to general or local economic conditions.

Short Sales Risk — A short sale involves the sale of a security that an Underlying SEI Fund does not own in the expectation of purchasing the same security (or a security exchangeable therefore) at a later date at a lower price. Short sales entered into by an Underlying SEI Fund expose the Fund to the risk that the

Underlying SEI Fund will be required to buy a security sold short (also known as "covering" the short position) at a time when the security has appreciated in value, thus resulting in a loss to the Underlying SEI Fund and, therefore, the Fund, that is potentially unlimited. Reinvesting proceeds received from short selling may create leverage, which can amplify the effects of market volatility on the share price of an Underlying SEI Fund and, therefore, the Fund. Investment in short sales may also cause an Underlying SEI Fund to incur expenses related to borrowing securities. In addition, shorting a future contract may require posting only a margin that may amount to less than the notional exposure of the contract. Such a practice may exacerbate the loss in a case of adverse price action.

Investing in the Fund involves risk, and there is no guarantee that the Fund will achieve its investment goal. You could lose money on your investment in the Fund, just as you could with other investments. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Performance Information

The bar chart and the performance table below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year for the past ten calendar years and by showing how the Fund's average annual returns for 1, 5 and 10 years, and since the Fund's inception, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. For current performance information, please call 1-800-DIAL-SEI.

Best Quarter: 18.35% (06/30/20)
Worst Quarter: -22.88% (03/31/20)
The Fund's Class F total return (pre-tax) from January 1, 2021 to June 30, 2021 was 13.96%.

Average Annual Total Returns (for the periods ended December 31, 2020)

This table compares the Fund's average annual total returns for Class F Shares to those of a broad-based index and an additional index: the Morgan Stanley Capital International (MSCI) Europe, Australasia and the Far East (EAFE) Index. The foregoing indexes, when considered together, may provide investors with a useful comparison of the Fund's overall performance.

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Your actual after-tax returns will depend on your tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement

accounts. In the event of negative performance, the Fund's returns after taxes on distributions and sale of Fund shares are calculated assuming that an investor has sufficient capital gains of the same character from other investments to offset any capital losses from the sale of Fund shares. As a result, the Fund's returns after taxes on distributions and sale of Fund shares may exceed the Fund's returns before taxes and/or returns after taxes on distributions.

Average Annual Returns - Class F Prospectus - SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND	Label	Average Annual Returns, 1 Year	Average Annual Returns, 5 Years	Average Annual Returns, 10 Years	Average Annual Returns, Since Inception	Average Annual Returns, Inception Date
SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND - CLASS F	Return Before Taxes	11.26%	10.37%	9.36%	7.68%	Nov. 17, 2003
After Taxes on Distributions | SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND - CLASS F	Return After Taxes on Distributions	10.10%	9.54%	8.75%	7.05%
After Taxes on Distributions and Sale of Fund Shares | SAAT TAX-MANAGED AGGRESSIVE STRATEGY FUND - CLASS F	Return After Taxes on Distributions and Sale of Fund Shares	7.31%	8.05%	7.51%	6.22%
S&P 500 Index Return (reflects no deduction for fees, expenses or taxes)	S&P 500 Index Return (reflects no deduction for fees, expenses or taxes)	18.40%	15.22%	13.88%	9.98%	Nov. 17, 2003
MSCI EAFE Index Return (reflects no deduction for fees or expenses)	MSCI EAFE Index Return (reflects no deduction for fees or expenses)	7.82%	7.45%	5.51%	6.44%	Nov. 17, 2003

[1] Because the Tax-Managed Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.