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Additional Valuation Information (Tables) | 9 Months Ended
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Sep. 30, 2024
Fair Value Disclosures [Abstract] |
Summary of the Tiered Valuation Input Levels | The following is a summary of the tiered valuation input levels as of September 30, 2024:
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Investments in Securities |  |  |  |  |  |  |  |  |  |  |  |
United States Treasury Obligations |  | $ | — |  |  | $ | 694,582,126 |  |  | $ | — |  |  | $ | 694,582,126 |
Exchange-Traded Fund |  |  | 215,493,570 |  |  |  | — |  |  |  | — |  |  |  | 215,493,570 |
Money Market Mutual Fund |  |  | 502,119,732 |  |  |  | — |  |  |  | — |  |  |  | 502,119,732 |
Total Investments in Securities |  |  | 717,613,302 |  |  |  | 694,582,126 |  |  |  | — |  |  |  | 1,412,195,428 |
Other Investments—Assets(a) |  |  |  |  |  |  |  |  |  |  |  |
Commodity Futures Contracts |  |  | 57,857,809 |  |  |  | — |  |  |  | — |  |  |  | 57,857,809 |
Other Investments—Liabilities(a) |  |  |  |  |  |  |  |  |  |  |  |
Commodity Futures Contracts |  |  | (68,219,261 | ) |  |  | — |  |  |  | — |  |  |  | (68,219,261 | )
Total Other Investments |  |  | (10,361,452 | ) |  |  | — |  |  |  | — |  |  |  | (10,361,452 | )
Total Investments |  | $ | 707,251,850 |  |  | $ | 694,582,126 |  |  | $ | — |  |  | $ | 1,401,833,976 |
(a) Unrealized appreciation (depreciation). The following is a summary of the tiered valuation input levels as of December 31, 2023:
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Investments in Securities |  |  |  |  |  |  |  |  |  |  |  |
United States Treasury Obligations |  | $ | — |  |  | $ | 784,350,648 |  |  | $ | — |  |  | $ | 784,350,648 |
Exchange-Traded Fund |  |  | 215,381,398 |  |  |  | — |  |  |  | — |  |  |  | 215,381,398 |
Money Market Mutual Fund |  |  | 692,738,727 |  |  |  | — |  |  |  | — |  |  |  | 692,738,727 |
Total Investments in Securities |  |  | 908,120,125 |  |  |  | 784,350,648 |  |  |  | — |  |  |  | 1,692,470,773 |
Other Investments—Assets(a) |  |  |  |  |  |  |  |  |  |  |  |
Commodity Futures Contracts |  |  | 13,652,359 |  |  |  | — |  |  |  | — |  |  |  | 13,652,359 |
Other Investments—Liabilities(a) |  |  |  |  |  |  |  |  |  |  |  |
Commodity Futures Contracts |  |  | (44,215,202 | ) |  |  | — |  |  |  | — |  |  |  | (44,215,202 | )
Total Other Investments |  |  | (30,562,843 | ) |  |  | — |  |  |  | — |  |  |  | (30,562,843 | )
Total Investments |  | $ | 877,557,282 |  |  | $ | 784,350,648 |  |  | $ | — |  |  | $ | 1,661,907,930 |
(a) Unrealized appreciation (depreciation).

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