v3.26.1
Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)
Total
General Shares [Member]
Shares [Member]
Balance - Value at Dec. 31, 2024 $ 787,381,694 $ 1,064 $ 787,380,630
Balance - Shares at Dec. 31, 2024   40 29,600,000
Purchases of Shares - Value 146,938,648   $ 146,938,648
Purchases of Shares - Shares     5,400,000
Redemption of Shares - Value (129,264,706)   $ (129,264,706)
Redemption of Shares - Shares     (4,900,000)
Net Increase (Decrease) due to Share Transactions, value 17,673,942   $ 17,673,942
Net Increase (Decrease) due to Share Transactions, shares     500,000
Net Income (Loss)      
Net Investment Income (Loss) 13,751,253 $ 13 $ 13,751,240
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts 49,878,137 49 49,878,088
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts (80,066,365) (78) (80,066,287)
Net Income (Loss) (16,436,975) (16) (16,436,959)
Net Change in Shareholders' Equity, value 1,236,967 (16) $ 1,236,983
Net Change in Shareholders' Equity, shares     500,000
Balance - Value at Jun. 30, 2025 788,618,661 $ 1,048 $ 788,617,613
Balance - Shares at Jun. 30, 2025   40 30,100,000
Balance - Value at Mar. 31, 2025 818,917,342 $ 1,053 $ 818,916,289
Balance - Shares at Mar. 31, 2025   40 31,100,000
Purchases of Shares - Value 49,964,025   $ 49,964,025
Purchases of Shares - Shares     1,850,000
Redemption of Shares - Value (75,076,167)   $ (75,076,167)
Redemption of Shares - Shares     (2,850,000)
Net Increase (Decrease) due to Share Transactions, value (25,112,142)   $ (25,112,142)
Net Increase (Decrease) due to Share Transactions, shares     (1,000,000)
Net Income (Loss)      
Net Investment Income (Loss) 6,959,989 $ 6 $ 6,959,983
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts (33,849,770) (33) (33,849,737)
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts 21,703,242 22 21,703,220
Net Income (Loss) (5,186,539) (5) (5,186,534)
Net Change in Shareholders' Equity, value (30,298,681) (5) $ (30,298,676)
Net Change in Shareholders' Equity, shares     (1,000,000)
Balance - Value at Jun. 30, 2025 788,618,661 $ 1,048 $ 788,617,613
Balance - Shares at Jun. 30, 2025   40 30,100,000
Balance - Value at Dec. 31, 2025 722,802,601 $ 1,022 $ 722,801,579
Balance - Shares at Dec. 31, 2025   40 28,300,000
Purchases of Shares - Value 962,046,565   $ 962,046,565
Purchases of Shares - Shares     35,400,000
Redemption of Shares - Value (551,914,880)   $ (551,914,880)
Redemption of Shares - Shares     (20,500,000)
Net Increase (Decrease) due to Share Transactions, value 410,131,685   $ 410,131,685
Net Increase (Decrease) due to Share Transactions, shares     14,900,000
Net Income (Loss)      
Net Investment Income (Loss) 14,110,774 $ 32 $ 14,110,742
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts 7,750,859 18 7,750,841
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts (1,711,805) (4) (1,711,801)
Net Income (Loss) 20,149,828 46 20,149,782
Net Change in Shareholders' Equity, value 430,281,513 46 $ 430,281,467
Net Change in Shareholders' Equity, shares     14,900,000
Balance - Value at Jun. 30, 2026 1,153,084,114 $ 1,068 $ 1,153,083,046
Balance - Shares at Jun. 30, 2026   40 43,200,000
Balance - Value at Mar. 31, 2026 1,216,957,097 $ 1,090 $ 1,216,956,007
Balance - Shares at Mar. 31, 2026   40 44,650,000
Purchases of Shares - Value 481,298,421   $ 481,298,421
Purchases of Shares - Shares     17,450,000
Redemption of Shares - Value (509,667,488)   $ (509,667,488)
Redemption of Shares - Shares     (18,900,000)
Net Increase (Decrease) due to Share Transactions, value (28,369,067)   $ (28,369,067)
Net Increase (Decrease) due to Share Transactions, shares     (1,450,000)
Net Income (Loss)      
Net Investment Income (Loss) 8,673,621 $ 25 $ 8,673,596
Net Realized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts 2,426,256 12 2,426,244
Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts (46,603,793) (59) (46,603,734)
Net Income (Loss) (35,503,916) (22) (35,503,894)
Net Change in Shareholders' Equity, value (63,872,983) (22) $ (63,872,961)
Net Change in Shareholders' Equity, shares     (1,450,000)
Balance - Value at Jun. 30, 2026 $ 1,153,084,114 $ 1,068 $ 1,153,083,046
Balance - Shares at Jun. 30, 2026   40 43,200,000