v3.26.1
Schedule of Investments
 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
contract
Dec. 31, 2025
USD ($)
contract
Notional Amount $ 111,363,746 [1] $ 116,362,665 [2]
Fair Value/Open Commodity Swap Contracts 111,362,868 [1] 116,361,758 [2]
Fair Value/Unrealized Gain (Loss) on Open Commodity Contracts 7,579,576 928,964
Unrealized Gain (Loss) on Commodity Swap Contracts $ (878) [1],[3] $ (907) [2],[4]
SOC GEN SGIXCNG1 03262026Index | Societe Generale ISDA    
% Fund Pays, Counter party [5] 0.40%  
Notional Amount [5] $ 56,588,615  
Payment Frequency [5] monthly  
Derivative, Contract End Date [5] Sep. 25, 2026  
Fair Value/Open Commodity Swap Contracts [5] $ 56,587,995  
Unrealized Gain (Loss) on Commodity Swap Contracts [3],[5] $ (620)  
Scotia SNOVNG1 0227026 | Scotia Bank    
% Fund Pays, Counter party [5] 0.17%  
Notional Amount [5] $ 54,775,131  
Payment Frequency [5] monthly  
Derivative, Contract End Date [5] Aug. 31, 2026  
Fair Value/Open Commodity Swap Contracts [5] $ 54,774,873  
Unrealized Gain (Loss) on Commodity Swap Contracts [3],[5] (258)  
SOC GEN SGIXCNG1 09262025Index | Societe Generale ISDA    
% Fund Pays, Counter party [5]   0.40%
Notional Amount [5]   $ 59,144,114
Payment Frequency [5]   Monthly
Derivative, Contract End Date [5]   Mar. 26, 2026
Fair Value/Open Commodity Swap Contracts [5]   $ 59,143,474
Unrealized Gain (Loss) on Commodity Swap Contracts [4],[5]   $ (640)
Scotia SNOVNG1 08292025Index | Scotia Bank    
% Fund Pays, Counter party [5]   0.17%
Notional Amount [5]   $ 57,218,551
Payment Frequency [5]   Monthly
Derivative, Contract End Date [5]   Feb. 27, 2026
Fair Value/Open Commodity Swap Contracts [5]   $ 57,218,284
Unrealized Gain (Loss) on Commodity Swap Contracts [4],[5]   (267)
Open Commodity Futures Contracts - Long | United States | NYMEX Natural Gas Futures NG August 2026 contracts, expiring July 2026    
Notional Amount [6] $ 298,796,674  
Number of Contracts | contract [6] 9,355  
Fair Value/Unrealized Gain (Loss) on Open Commodity Contracts [6] $ 7,579,576  
% of Partners' Capital [6] 1.81%  
Open Commodity Futures Contracts - Long | United States | NYMEX Natural Gas Futures NG February 2026 contracts, expiring January 2026    
Notional Amount [7]   $ 433,392,416
Number of Contracts | contract [7]   11,783
Fair Value/Unrealized Gain (Loss) on Open Commodity Contracts [7]   $ 928,964
% of Partners' Capital [7]   0.17%
Cash Equivalents | United States | Money Market Funds    
Market Value $ 240,250,000 $ 270,950,000
% of Partners' Capital 57.52% 49.21%
Cash Equivalents | United States | Money Market Funds | Dreyfus Institutional Preferred Government Money Market Fund - Institutional Shares, 3.60%    
Shares/Principal Amount [8] $ 187,050,000  
Market Value [8] $ 187,050,000  
% of Partners' Capital [8] 44.78%  
Cash Equivalents | United States | Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 3.56%    
Shares/Principal Amount [8] $ 53,200,000  
Market Value [8] $ 53,200,000  
% of Partners' Capital [8] 12.74%  
Cash Equivalents | United States | Money Market Funds | Dreyfus Institutional Preferred Government Money Market Fund - Institutional Shares, 3.71%    
Shares/Principal Amount [9]   $ 130,000,000
Market Value [9]   $ 130,000,000
% of Partners' Capital [9]   23.61%
Cash Equivalents | United States | Money Market Funds | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 3.69%    
Shares/Principal Amount [9]   $ 140,950,000
Market Value [9]   $ 140,950,000
% of Partners' Capital [9]   25.60%
[1] Collateral amounted to $31,027,897 on open OTC commodity swap contracts.
[2] Collateral amounted to $41,099,408 on open OTC commodity swap contracts.
[3] Reflects the value at reset date of June 30, 2026.
[4] Reflects the value at reset date of December 31, 2025.
[5] Custom index comprised of a basket of underlying instruments.
[6] Collateral amounted to $94,222,968 on open commodity futures contracts.
[7] Collateral amounted to $97,288,181 on open commodity futures contracts
[8] Reflects the 7-day yield at June 30, 2026.
[9] Reflects the 7-day yield at December 31, 2025.