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Condensed Schedule of Investments (Unaudited)
Jun. 30, 2024
USD ($)
contract
Dec. 31, 2023
USD ($)
contract
Number of Contracts | contract 11,584  
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts $ 53,240,170 $ 3,051,930
Open Commodity Futures Contracts - Long [Member] | UNITED STATES    
Notional Amount [1]   $ 1,294,199,590
Number of Contracts | contract [1]   18,103
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts [1]   $ 3,051,930
% of Partners' Capital [1]   0.19%
Open Commodity Futures Contracts - Long [Member] | UNITED STATES | NYMEX WTI Crude Oil Futures CL February 2024 contracts, expiring January 2024    
Notional Amount   $ 1,225,940,440
Number of Contracts | contract   17,200
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts   $ 6,439,560
% of Partners' Capital   0.41%
Open Commodity Futures Contracts - Long [Member] | UNITED STATES | NYMEX WTI Crude Oil Futures CL March 2024 contracts, expiring February 2024    
Notional Amount   $ 68,259,150
Number of Contracts | contract   903
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts   $ (3,387,630)
% of Partners' Capital   (0.22%)
Open Commodity Futures Contracts - Long [Member] | UNITED STATES | NYMEX WTI Crude Oil Futures CL August 2024 contracts, expiring July 2024    
Notional Amount [2] $ 891,319,190  
Number of Contracts | contract [2] 11,584  
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts [2] $ 53,240,170  
% of Partners' Capital [2] 4.23%  
Cash Equivalents [Member] | Money Market Funds [Member]    
Market Value $ 327,450,000 $ 327,450,000
% of Partners' Capital 25.99% 20.89%
Cash Equivalents [Member] | Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Fund Government Portfolio [Member]    
Shares/Principal Amount $ 327,450,000 [3] $ 327,450,000 [4]
Market Value $ 327,450,000 [3] $ 327,450,000 [4]
% of Partners' Capital 25.99% [3] 20.89% [4]
Open OTC Commodity Swap Contracts [Member]    
Notional amount of Open OTC Commodity Swap Contracts $ 315,564,979 [5] $ 270,487,212 [6]
Fair Value/Open Commodity Swap Contracts 315,562,755 [5] 270,485,306 [6]
Unrealized Gain (Loss) on Commodity Swap Contracts $ (2,224) [5],[7] $ (1,906) [6],[8]
Open OTC Commodity Swap Contracts [Member] | Societe Generale | MACQUARIE MQCP361E 01182024Index    
Percentage of Fund Pays Counterparty [9] 0.26% 0.26%
Notional amount of Open OTC Commodity Swap Contracts [9] $ 182,219,904 $ 156,190,238
Fair Value/Open Commodity Swap Contracts [9] 182,218,606 156,189,126
Unrealized Gain (Loss) on Commodity Swap Contracts [9] $ (1,298) [7] $ (1,112) [8]
Open OTC Commodity Swap Contracts [Member] | Societe Generale | SOC GEN SGIXCWTI 06282024Index    
Percentage of Fund Pays Counterparty [9] 0.25% 0.25%
Notional amount of Open OTC Commodity Swap Contracts [9] $ 133,345,075 $ 114,296,974
Fair Value/Open Commodity Swap Contracts [9] 133,344,149 114,296,180
Unrealized Gain (Loss) on Commodity Swap Contracts [9] $ (926) [7] $ (794) [8]
[1] Collateral amounted to $483,719,510 on open commodity futures contracts.
[2] Collateral amounted to $266,960,630 on open commodity futures contracts.
[3] Reflects the 7-day yield at June 30, 2024.
[4] Reflects the 7-day yield at December 31, 2023.
[5] Collateral amounted to $3,190,000 on open OTC commodity swap contracts.
[6] Collateral amounted to $27,568,431 on open OTC commodity swap contracts.
[7] Reflects the value at reset date of June 30, 2024.
[8] Reflects the value at reset date of December 29, 2023.
[9] Custom index comprised of a basket of underlying instruments.