
Invesco Van Kampen U.S. Mortgage Fund \| Summary - Invesco Van Kampen U.S. Mortgage Fund, Class A B C And Y
Fund Summary - Invesco Van Kampen U.S. Mortgage Fund
Investment Objective(s)
The Fund’s investment objective is to provide a high level of current income, with liquidity and safety of principal.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the AIM Funds. More information about these and other discounts is available from your financial professional and in the section “Shareholder Account Information—Initial Sales Charges (Class A Shares Only)” on page A-3 of the prospectus and the section “Purchase, Redemption and Pricing of Shares—Purchase and Redemption of Shares” on page L-1 of the statement of additional information (SAI).
Shareholder Fees (fees paid directly from your investment)
<div> <div style="display:none;" >~ http://invesco.com/role/ShareholderFeesInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> <div style="display:none;" >~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
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 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:
<div> <div style="display:none;" >~ http://invesco.com/role/ExpenseExampleInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
You would pay the following expenses if you did not redeem your shares:
<div> <div style="display:none;" >~ http://invesco.com/role/ExpenseExampleNoRedemptionInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
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. The portfolio turnover rate of the Van Kampen U.S. Mortgage Fund (the predecessor fund) and the Fund for the most recent fiscal year was 370% of the average value of the portfolio.
Principal Investment Strategies of the Fund
Under normal market conditions, Invesco Advisers, Inc. (the Adviser) seeks to achieve the Fund’s investment objective by investing at least 80% of its net assets (plus any borrowings for investment purposes) in obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities at the time of investment. Under normal market conditions, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in mortgage-backed securities. Under normal market conditions, the Fund invests a substantial portion of its assets in U.S. mortgage-backed securities. In attempting to meet its investment objective, the Fund engages in active and frequent trading of portfolio securities. The Adviser purchases and sells securities for the Fund’s portfolio with a view towards seeking a high level of current income consistent with liquidity and safety of principal based on the analysis and expectations of the Adviser regarding prevailing interest rates and yield spreads between types of securities. Particular attention is given to the relative value of each security considered, its potential yield advantage and its interest rate sensitivity in light of current and expected economic conditions. The Fund may purchase and sell securities on a when-issued or delayed delivery basis. The Fund may borrow money for investment purposes. The Fund may purchase and sell options, futures contracts, options on futures contracts and interest rate swaps, inverse floating rate debt instruments and other related instruments, which are derivative instruments, for various portfolio management purposes, including to earn income, to facilitate portfolio management and to mitigate risks. In general terms, a derivative instrument is one whose value depends on (or is derived from) the value of an underlying asset, interest rate or index.
Principal Risks of Investing in the Fund
As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. The principal risks of investing in the fund are: Active Trading Risk. The Fund engages in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability. Market Risk. Market risk is the possibility that the market values of securities owned by the Fund will decline. The prices of debt securities tend to fall as interest rates rise, and such declines tend to be greater among debt securities with longer maturities or longer durations. The yields and market prices of U.S. government securities may move differently and adversely compared to the yields and market prices of the overall debt securities markets. U.S. government securities, while backed by the U.S. government, are not guaranteed against declines in their market prices. Mortgage-Backed Securities Risk. Mortgage-backed securities may be more susceptible to further price declines than traditional debt securities in periods of rising interest rates because of extension risk (described below). In addition, mortgage-backed securities may benefit less than traditional debt securities during periods of declining interest rates because of prepayment risk (described below). When-issued and delayed delivery transactions are subject to changes in market conditions from the time of the commitment until settlement. Credit Risk. Credit risk refers to an issuer’s ability to make timely payments of interest and principal. Credit risk should be low for the Fund because it invests primarily in obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities. Income Risk. The income you receive from the Fund is based primarily on interest rates, which can vary widely over the short-and long-term. If interest rates drop, your income from the Fund may drop as well. The more the Fund invests in adjustable, variable or floating rate securities or in securities susceptible to prepayment risk, the greater the Fund’s income risk. Prepayment Risk. If interest rates fall, the principal on debt securities held by the Fund may be paid earlier than expected. If this happens, the proceeds from a prepaid security would likely be reinvested by the Fund in securities bearing the new, lower interest rates, resulting in a possible decline in the Fund’s income and distributions to shareholders. Extension Risk. The prices of debt securities tend to fall as interest rates rise. For mortgage-backed securities, if interest rates rise, borrowers may prepay mortgages more slowly than originally expected. This may further reduce the market value of the securities and lengthen their durations. Risks of Using Derivative Instruments. Risks of derivatives include the possible imperfect correlation between the value of the instruments and the underlying assets; risks of default by the other party to certain transactions; risks that the transactions may result in losses that partially or completely offset gains in portfolio positions; and risks that the transactions may not be liquid. Borrowing Risks. The Fund may borrow money for investment purposes, which is known as leverage. The Fund may use leverage to seek to enhance income to shareholders, but the use of leverage creates the likelihood of greater volatility in the net asset value of the Fund’s shares. To the extent that income from investments made with such borrowed money exceeds the interest payable and other expenses of the leverage, the Fund’s net income will be less than if the Fund did not use. The Fund’s use of leverage also may impair the ability of the Fund to maintain its qualification for federal income tax purposes as a regulated investment company.
Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark and a style specific benchmark. The Fund’s (and the predecessor fund’s) past performance (before and after taxes) is not necessarily an indication of its future performance. The returns for periods prior to June 1, 2010 are those of the Class A, Class B, Class C, and Class I Shares of the predecessor fund. The predecessor fund was advised by Van Kampen Asset Management. Class A, Class B, Class C, and Class I shares of the predecessor fund were reorganized into Class A, Class B, Class C, and Class Y shares, respectively, of the Fund on June 1, 2010. Class A, Class B, Class C, and Class Y shares’ returns of the Fund will be different from the predecessor fund as they have different expenses. Performance for Class A and Class B shares have been restated to reflect the Fund’s applicable sales charge. Year-to-date returns include returns of the Fund for the periods ending on or after June 1, 2010. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
Annual Total Returns
<div> <div style="display:none;" >~ http://invesco.com/role/AnnualTotalReturnsBarChartInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
Class A Shares year-to-date (ended March 31, 2011): 0.83% Best Quarter (ended September 30, 2001): 4.04% Worst Quarter (ended March 31, 2008): (1.55)%
Average Annual Total Returns (for the periods ended December 31, 2010)
<div> <div style="display:none;" >~ http://invesco.com/role/AverageAnnualTotalReturnsInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>
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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and 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. After-tax returns are shown for Class A shares only and after-tax returns for other classes will vary.

Invesco Van Kampen U.S. Mortgage Fund | Summary - Invesco Van Kampen U.S. Mortgage Fund, Class A B C And Y

Fund Summary - Invesco Van Kampen U.S. Mortgage Fund

Investment Objective(s)

The Fund’s investment objective is to provide a high level of current income, with liquidity and safety of principal.

Fees and Expenses of the Fund

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the AIM Funds. More information about these and other discounts is available from your financial professional and in the section “Shareholder Account Information—Initial Sales Charges (Class A Shares Only)” on page A-3 of the prospectus and the section “Purchase, Redemption and Pricing of Shares—Purchase and Redemption of Shares” on page L-1 of the statement of additional information (SAI).

Shareholder Fees (fees paid directly from your investment)

<div> <div style="display:none;" >~ http://invesco.com/role/ShareholderFeesInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

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

<div> <div style="display:none;" >~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

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 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:

<div> <div style="display:none;" >~ http://invesco.com/role/ExpenseExampleInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

You would pay the following expenses if you did not redeem your shares:

<div> <div style="display:none;" >~ http://invesco.com/role/ExpenseExampleNoRedemptionInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

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. The portfolio turnover rate of the Van Kampen U.S. Mortgage Fund (the predecessor fund) and the Fund for the most recent fiscal year was 370% of the average value of the portfolio.

Principal Investment Strategies of the Fund

Under normal market conditions, Invesco Advisers, Inc. (the Adviser) seeks to achieve the Fund’s investment objective by investing at least 80% of its net assets (plus any borrowings for investment purposes) in obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities at the time of investment. Under normal market conditions, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in mortgage-backed securities.

Under normal market conditions, the Fund invests a substantial portion of its assets in U.S. mortgage-backed securities.

In attempting to meet its investment objective, the Fund engages in active and frequent trading of portfolio securities.

The Adviser purchases and sells securities for the Fund’s portfolio with a view towards seeking a high level of current income consistent with liquidity and safety of principal based on the analysis and expectations of the Adviser regarding prevailing interest rates and yield spreads between types of securities. Particular attention is given to the relative value of each security considered, its potential yield advantage and its interest rate sensitivity in light of current and expected economic conditions. The Fund may purchase and sell securities on a when-issued or delayed delivery basis. The Fund may borrow money for investment purposes. The Fund may purchase and sell options, futures contracts, options on futures contracts and interest rate swaps, inverse floating rate debt instruments and other related instruments, which are derivative instruments, for various portfolio management purposes, including to earn income, to facilitate portfolio management and to mitigate risks. In general terms, a derivative instrument is one whose value depends on (or is derived from) the value of an underlying asset, interest rate or index.

Principal Risks of Investing in the Fund

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. The principal risks of investing in the fund are:

Active Trading Risk. The Fund engages in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Market Risk. Market risk is the possibility that the market values of securities owned by the Fund will decline. The prices of debt securities tend to fall as interest rates rise, and such declines tend to be greater among debt securities with longer maturities or longer durations. The yields and market prices of U.S. government securities may move differently and adversely compared to the yields and market prices of the overall debt securities markets. U.S. government securities, while backed by the U.S. government, are not guaranteed against declines in their market prices.

Mortgage-Backed Securities Risk. Mortgage-backed securities may be more susceptible to further price declines than traditional debt securities in periods of rising interest rates because of extension risk (described below). In addition, mortgage-backed securities may benefit less than traditional debt securities during periods of declining interest rates because of prepayment risk (described below). When-issued and delayed delivery transactions are subject to changes in market conditions from the time of the commitment until settlement.

Credit Risk. Credit risk refers to an issuer’s ability to make timely payments of interest and principal. Credit risk should be low for the Fund because it invests primarily in obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities.

Income Risk. The income you receive from the Fund is based primarily on interest rates, which can vary widely over the short-and long-term. If interest rates drop, your income from the Fund may drop as well. The more the Fund invests in adjustable, variable or floating rate securities or in securities susceptible to prepayment risk, the greater the Fund’s income risk.

Prepayment Risk. If interest rates fall, the principal on debt securities held by the Fund may be paid earlier than expected. If this happens, the proceeds from a prepaid security would likely be reinvested by the Fund in securities bearing the new, lower interest rates, resulting in a possible decline in the Fund’s income and distributions to shareholders.

Extension Risk. The prices of debt securities tend to fall as interest rates rise. For mortgage-backed securities, if interest rates rise, borrowers may prepay mortgages more slowly than originally expected. This may further reduce the market value of the securities and lengthen their durations.

Risks of Using Derivative Instruments. Risks of derivatives include the possible imperfect correlation between the value of the instruments and the underlying assets; risks of default by the other party to certain transactions; risks that the transactions may result in losses that partially or completely offset gains in portfolio positions; and risks that the transactions may not be liquid.

Borrowing Risks. The Fund may borrow money for investment purposes, which is known as leverage. The Fund may use leverage to seek to enhance income to shareholders, but the use of leverage creates the likelihood of greater volatility in the net asset value of the Fund’s shares. To the extent that income from investments made with such borrowed money exceeds the interest payable and other expenses of the leverage, the Fund’s net income will be less than if the Fund did not use. The Fund’s use of leverage also may impair the ability of the Fund to maintain its qualification for federal income tax purposes as a regulated investment company.

Performance Information

The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark and a style specific benchmark. The Fund’s (and the predecessor fund’s) past performance (before and after taxes) is not necessarily an indication of its future performance.

The returns for periods prior to June 1, 2010 are those of the Class A, Class B, Class C, and Class I Shares of the predecessor fund. The predecessor fund was advised by Van Kampen Asset Management. Class A, Class B, Class C, and Class I shares of the predecessor fund were reorganized into Class A, Class B, Class C, and Class Y shares, respectively, of the Fund on June 1, 2010. Class A, Class B, Class C, and Class Y shares’ returns of the Fund will be different from the predecessor fund as they have different expenses. Performance for Class A and Class B shares have been restated to reflect the Fund’s applicable sales charge. Year-to-date returns include returns of the Fund for the periods ending on or after June 1, 2010.

Updated performance information is available on the Fund’s Web site at www.invesco.com/us.

Annual Total Returns

<div> <div style="display:none;" >~ http://invesco.com/role/AnnualTotalReturnsBarChartInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

Class A Shares year-to-date (ended March 31, 2011): 0.83%

Best Quarter (ended September 30, 2001): 4.04%

Worst Quarter (ended March 31, 2008): (1.55)%

Average Annual Total Returns (for the periods ended December 31, 2010)

<div> <div style="display:none;" >~ http://invesco.com/role/AverageAnnualTotalReturnsInvescoVanKampenUSMortgageFundClassBCAndY column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000027862_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Nineteen_Member * ~</div> </div>

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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and 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. After-tax returns are shown for Class A shares only and after-tax returns for other classes will vary.