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v3.25.2

Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
United States Treasury Obligations |  | $ 393,253,144
Exchange-Traded Fund | 215,248,830 | 215,371,200
Money Market Mutual Fund | 787,085,414 | 661,273,167
Total Investments in Securities | 1,002,334,244 | 1,269,897,511
Commodity Futures Contracts, Appreciation | 40,173,166 | 27,889,813
Commodity Futures Contracts, Depreciation | (19,485,079) | (48,470,858)
Commodity Futures Contracts | 20,688,087 | (20,581,045)
Total Investments | 1,023,022,331 | 1,249,316,466
Securities Investment [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Investments in Securities | 1,002,334,244 | 1,269,897,511
Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Exchange-Traded Fund | 215,248,830 | 215,371,200
Money Market Mutual Fund | 787,085,414 | 661,273,167
Total Investments in Securities | 1,002,334,244 | 876,644,367
Commodity Futures Contracts, Appreciation | 40,173,166 | 27,889,813
Commodity Futures Contracts, Depreciation | (19,485,079) | (48,470,858)
Commodity Futures Contracts | 20,688,087 | (20,581,045)
Total Investments | $ 1,023,022,331 | 856,063,322
Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
United States Treasury Obligations |  | 393,253,144
Total Investments in Securities |  | 393,253,144
Total Investments |  | $ 393,253,144

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