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Schedule of Investments (Unaudited)
Sep. 30, 2025
USD ($)
contract
Dec. 31, 2024
USD ($)
contract
Number of Contracts | contract 11,962  
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts $ (2,068,190) $ 28,431,020
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL November 2025 contracts, expiring October 2025    
Notional Amount [1] $ 748,138,130  
Number of Contracts | contract [1] 11,962  
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts [1] $ (2,068,190)  
% of Partners' Capital [1] (0.23%)  
Open Commodity Futures Contracts - Long | UNITED STATES | NYMEX WTI Crude Oil Futures CL February 2025 contracts, expiring January 2025    
Notional Amount [2]   $ 766,513,460
Number of Contracts | contract [2]   11,084
Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts [2]   $ 28,431,020
% of Partners' Capital [2]   2.61%
Cash Equivalents | United States Money Market Funds    
Market Value $ 675,000,000 $ 727,450,000
% of Partners' Capital 76.30% 66.85%
Cash Equivalents | United States Money Market Funds | Dreyfus Institutional Preferred Government Money Market Fund - Institutional Shares, 4.09%    
Shares/Principal Amount [3] $ 375,000,000  
Market Value [3] $ 375,000,000  
% of Partners' Capital [3] 42.39%  
Cash Equivalents | United States Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares 4.05%    
Shares/Principal Amount $ 300,000,000 [3] $ 727,450,000 [4]
Market Value $ 300,000,000 [3] $ 727,450,000 [4]
% of Partners' Capital 33.91% [3] 66.85% [4]
Open OTC Commodity Swap Contracts    
Notional Amount of Open OTC Commodity Swap Contracts $ 138,588,321 [5] $ 293,395,107 [6]
Fair Value/Open Commodity Swap Contracts 138,679,360 [5] 293,393,039 [6]
Unrealized Gain (Loss) on Commodity Swap Contracts $ 91,039 [5],[7] $ (2,068) [6],[8]
Open OTC Commodity Swap Contracts | Macquarie Bank Ltd. | MACQUARIE MQCP361E 01212025Index    
Fund Pays Counterparty [9] 0.26%  
Notional Amount of Open OTC Commodity Swap Contracts [9] $ 72,424,781  
Fair Value/Open Commodity Swap Contracts [9] 72,424,265  
Unrealized Gain (Loss) on Commodity Swap Contracts [7],[9] $ (516)  
Open OTC Commodity Swap Contracts | Macquarie Bank Ltd. | MACQUARIE MQCP361E 07192024Index    
Fund Pays Counterparty [9]   0.26%
Notional Amount of Open OTC Commodity Swap Contracts [9]   $ 169,418,314
Fair Value/Open Commodity Swap Contracts [9]   169,417,107
Unrealized Gain (Loss) on Commodity Swap Contracts [8],[9]   $ (1,207)
Open OTC Commodity Swap Contracts | Societe Generale | SOC GEN SGIXCWTI 12202024Index    
Fund Pays Counterparty [9]   0.25%
Notional Amount of Open OTC Commodity Swap Contracts [9]   $ 123,976,793
Fair Value/Open Commodity Swap Contracts [9]   123,975,932
Unrealized Gain (Loss) on Commodity Swap Contracts [8],[9]   $ (861)
Open OTC Commodity Swap Contracts | Societe Generale | SOC GEN SGIXCWTI 06202025Index    
Fund Pays Counterparty [9] 0.25%  
Notional Amount of Open OTC Commodity Swap Contracts [9] $ 66,163,540  
Fair Value/Open Commodity Swap Contracts [9] 66,255,095  
Unrealized Gain (Loss) on Commodity Swap Contracts [7],[9] $ 91,555  
[1] Collateral amounted to $194,647,699 on open commodity futures contracts
[2] Collateral amounted to $263,049,397 on open commodity futures contracts.
[3] Reflects the 7-day yield at September 30, 2025
[4] Reflects the 7-day yield at December 31, 2024.
[5] Collateral amounted to $6,300,489 on open OTC commodity swap contracts
[6] Collateral amounted to $17,210,489 on open OTC commodity swap contracts.
[7] Reflects the value at reset date of September 30, 2025
[8] Reflects the value at the reset date of December 31, 2024.
[9] Custom index comprised of a basket of underlying instruments.