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Schedule of Investments (Unaudited) - Treasury Bills and Affiliated Investments - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Investments [Line Items] |  |  |  |  |
Investments in Securities, Value |  | $ 206,593,618 |  | $ 208,478,795 |
Investments in Securities, Cost |  |  |  | $ 53,447,148 |
Investment, Identifier [Axis]: Affiliated Investments, Exchange-Traded Fund, Invesco Short Term Treasury ETF |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity |  | 23.65% | [1],[2] | 25.46% | [3],[4]
Investments in Securities, Value |  | $ 53,983,710 | [1],[2] | $ 54,014,400 | [3],[4]
Principal Value, Shares |  | 511,500 | [1],[2] | 511,500 | [3],[4]
Affiliated Investments, Cost |  | $ 53,954,170 | [1],[2] | $ 53,954,170 | [3],[4]
Investment, Identifier [Axis]: Affiliated Investments, Money Market Mutual Fund, Invesco Government & Agency Portfolio, Institutional Class |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity |  | 66.87% | [5] | 47.61% | [3],[6]
Investments in Securities, Value |  | $ 152,609,908 | [5] | $ 100,993,456 | [3],[6]
Principal Value, Shares |  | 152,609,908 | [5] | 100,993,456 | [3],[6]
Investment Interest Rate |  | 4.26% | [5] | 4.43% | [3],[6]
Investment Maturity Date |  | Jun. 30, 2025 | [2],[5] | Dec. 31, 2024 | [3],[6]
Affiliated Investments, Cost |  | $ 152,609,908 | [5] | $ 100,993,456 | [3],[6]
Investment, Identifier [Axis]: United States Treasury Obligations, U.S. Treasury Bill, 4.230% due April 3, 2025 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity | [7] |  |  | 18.66% |
Investments in Securities, Value | [7] |  |  | $ 39,573,344 |
United States Treasury Obligations, Principal Value | [7] |  |  | $ 40,000,000 |
Investment Interest Rate | [7] |  |  | 4.23% |
Investment Maturity Date | [7] |  |  | Apr. 03, 2025 |
Investment, Identifier [Axis]: United States Treasury Obligations, U.S. Treasury Bill, 4.400% due March 6, 2025 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity | [7] |  |  | 6.55% |
Investments in Securities, Value | [7] |  |  | $ 13,897,595 |
United States Treasury Obligations, Principal Value | [7] |  |  | $ 14,000,000 |
Investment Interest Rate | [7] |  |  | 4.40% |
Investment Maturity Date | [7] |  |  | Mar. 06, 2025 |
Securities Investment |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity |  |  |  | 98.28% |
Investments in Securities, Value |  |  |  | $ 208,478,795 |
Investments in Securities, Cost |  |  |  | $ 208,394,774 |
US Treasury Securities |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity | [7] |  |  | 25.21% |
Investments in Securities, Value | [7] |  |  | $ 53,470,939 |
Investments in Securities, Cost | [7] |  |  | $ 53,447,148 |
Affiliated Investments |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of Shareholders' Equity |  | 90.52% |  | 73.07% |
Investments in Securities, Value |  | $ 206,593,618 |  | $ 155,007,856 |
Affiliated Investments, Cost |  | $ 206,564,078 |  | $ 154,947,626 |
[1] | Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8.
[2] | All or a portion of the value was pledged as collateral to cover margin requirements for open futures contracts. See Note 2K.
[3] | Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. See Note 8.
[4] | All or a portion of the value was pledged as collateral to cover margin requirements for open futures contracts. See Note 2K.
[5] | The rate shown is the 7-day SEC standardized yield as of June 30, 2025.
[6] | The rate shown is the 7-day SEC standardized yield as of December 31, 2024.
[7] | Security may be traded on a discount basis. The interest rate shown represents the discount rate at the most recent auction date of the security prior to period end.

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