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Schedule of Investments - Treasury Bills and Money Market Fund - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Schedule of Investments [Line Items]    
United States Treasury Obligations, Value $ 54,072,308 $ 53,851,960
Investments in Securities, Value $ 154,307,059 $ 148,120,840
Investment, Identifier [Axis]: Affiliated Investments    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 64.74% 63.92%
Investments in Securities, Value $ 100,234,751 $ 94,268,880
Investments in Securities, Cost $ 100,206,985 $ 94,240,094
Investment, Identifier [Axis]: Affiliated Investments Exchange-Traded Fund Invesco Short Term Treasury ETF    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 13.91% [1] 14.60% [2],[3]
Investments in Securities, Value $ 21,531,840 [1] $ 21,532,860 [2],[3]
Investments in Securities, Shares 203,900 [1] 203,900 [2],[3]
Investments in Securities, Cost $ 21,504,074 [1] $ 21,504,074 [2],[3]
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 4.43%    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [1],[4] 50.83%  
Investments in Securities, Value [1],[4] $ 78,702,911  
Investments in Securities, Shares [1],[4] 78,702,911  
Investment Interest Rate [1],[4] 4.43%  
Investments in Securities, Cost [1],[4] $ 78,702,911  
Investment, Identifier [Axis]: Affiliated Investments Money Market Mutual Fund Invesco Government & Agency Portfolio, Institutional Class, 5.29%    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [2],[5]   49.32%
Investments in Securities, Value [2],[5]   $ 72,736,020
Investments in Securities, Shares [2],[5]   72,736,020
Investment Interest Rate [2],[5]   5.29%
Investments in Securities, Cost [3],[6]   $ 72,736,020
Investment, Identifier [Axis]: Investments in Securities    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 99.66% 100.43%
Investments in Securities, Value $ 154,307,059 $ 148,120,840
Investments in Securities, Cost $ 154,221,743 $ 148,033,641
Investment, Identifier [Axis]: United States Treasury Obligations    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity 34.92% [7] 36.51% [8]
United States Treasury Obligations, Value $ 54,072,308 [7] $ 53,851,960 [8]
Investments in Securities, Cost 54,014,758 [7] 53,793,547 [8]
Restricted for maintenance margin $ 24,575,000 $ 24,477,500
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 4.340% due May 29, 2025    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [7],[9] 34.92%  
United States Treasury Obligations, Value [7],[9] $ 54,072,308  
United States Treasury Obligations, Principal Value [7],[9] $ 55,000,000  
Investment Interest Rate [7],[9] 4.34%  
Investment Maturity Date [7],[9] May 29, 2025  
Investment, Identifier [Axis]: United States Treasury Obligations U.S. Treasury Bill, 5.240% due May 30, 2024    
Schedule of Investments [Line Items]    
Percentage of Shareholders' Equity [3],[8]   36.51%
United States Treasury Obligations, Value [3],[8]   $ 53,851,960
United States Treasury Obligations, Principal Value [3],[8]   $ 55,000,000
Investment Interest Rate [3],[8]   5.24%
Investment Maturity Date [3],[8]   May 30, 2024
[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] 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.
[3] United States Treasury Obligations of $24,477,500 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.
[4] The rate shown is the 7-day SEC standardized yield as of December 31, 2024.
[5] The rate shown is the 7-day SEC standardized yield as of December 31, 2023.
[6] Effective after the close of markets on August 25, 2023, the fund’s name changed from Invesco Treasury Collateral ETF to Invesco Short Term Treasury ETF.
[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.
[8] 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.
[9] United States Treasury Obligations of $24,575,000 are on deposit with the Commodity Broker and held as maintenance margin for open futures contracts.