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Schedule of Investments - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Cash Equivalents [Member] |  |  |
Market Value |  | $ 78,785,251 | $ 67,609,727
% of Partners' Capital |  | 93.01% | 91.83%
United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Market Value |  | $ 55,785,251 | $ 61,659,727
% of Partners' Capital |  | 65.86% | 83.75%
United States - Money Market Funds [Member] | United States [Member] | Cash Equivalents [Member] |  |  |
Market Value |  | $ 23,000,000 | $ 5,950,000
% of Partners' Capital |  | 27.15% | 8.08%
Fidelity Investments Money Market Funds Government Portfolio [Member] | United States - Money Market Funds [Member] | United States [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 8,000,000 | $ 150,000
Market Value |  | $ 8,000,000 | $ 150,000
% of Partners' Capital |  | 9.44% | 0.20%
Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member] | United States - Money Market Funds [Member] | United States [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 10,000,000 | $ 5,000,000
Market Value |  | $ 10,000,000 | $ 5,000,000
% of Partners' Capital |  | 11.81% | 6.79%
Morgan Stanley Institutional Liquidity Funds Government Portfolio [Member] | United States - Money Market Funds [Member] | United States [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 5,000,000 | $ 800,000
Market Value |  | $ 5,000,000 | $ 800,000
% of Partners' Capital |  | 5.90% | 1.09%
ICE Brent Crude Oil Futures CO March 2020 contracts, expiring January 2020 [Member] | Foreign Contracts [Member] | Open Futures Contracts Long [Member] |  |  |
Principal Amount | [1] | $ 83,516,390 |
Number of Contracts | [1] | 1,283 |
Value/Unrealized Gain (Loss) on Open Commodity Contracts | [1] | $ 1,161,610 |
% of Partners' Capital | [1] | 1.37% |
ICE Brent Crude Oil Futures CO March 2019 contracts, expiring January 2019 | Foreign Contracts [Member] | Open Futures Contracts Long [Member] |  |  |
Principal Amount | [2] |  | $ 79,887,910
Number of Contracts | [2] |  | 1,368
Value/Unrealized Gain (Loss) on Open Commodity Contracts | [2] |  | $ (6,289,510)
% of Partners' Capital | [2] |  | (8.54%)
U.S. Treasury Bills, 2.05%, 1/02/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,999,887 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 2.03%, 1/09/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,998,660 |
% of Partners' Capital |  | 3.54% |
U.S. Treasury Bills, 2.01%, 1/16/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,998,346 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 2.04%, 1/23/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,997,535 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 2.02%, 1/30/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,996,781 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 1.90%, 2/06/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,996,245 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 1.87%, 2/13/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,995,569 |
% of Partners' Capital |  | 2.36% |
U.S. Treasury Bills, 1.85%, 2/20/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,992,354 |
% of Partners' Capital |  | 3.53% |
U.S. Treasury Bills, 1.85%, 2/27/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,991,307 |
% of Partners' Capital |  | 3.53% |
U.S. Treasury Bills, 1.83%, 3/05/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 4,000,000 |
Market Value |  | $ 3,987,083 |
% of Partners' Capital |  | 4.71% |
U.S. Treasury Bills, 1.84%, 3/19/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,988,170 |
% of Partners' Capital |  | 3.53% |
U.S. Treasury Bills, 1.88%, 3/26/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,991,217 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.70%, 4/02/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,991,362 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.64%, 4/09/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,986,552 |
% of Partners' Capital |  | 3.53% |
U.S. Treasury Bills, 1.60%, 4/16/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 3,000,000 |
Market Value |  | $ 2,985,955 |
% of Partners' Capital |  | 3.52% |
U.S. Treasury Bills, 1.60%, 4/23/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,990,018 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.59%, 4/30/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,989,500 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.54%, 5/07/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,989,240 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.55%, 5/14/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 1,000,000 |
Market Value |  | $ 994,268 |
% of Partners' Capital |  | 1.17% |
U.S. Treasury Bills, 1.55%, 5/21/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,987,976 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.58%, 5/28/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,987,091 |
% of Partners' Capital |  | 2.35% |
U.S. Treasury Bills, 1.53%, 6/04/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 1,000,000 |
Market Value |  | $ 993,456 |
% of Partners' Capital |  | 1.17% |
U.S. Treasury Bills, 1.53%, 6/11/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,986,297 |
% of Partners' Capital |  | 2.34% |
U.S. Treasury Bills, 1.54%, 6/18/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,985,635 |
% of Partners' Capital |  | 2.34% |
U.S. Treasury Bills, 1.57%, 6/25/2020 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  | $ 2,000,000 |
Market Value |  | $ 1,984,747 |
% of Partners' Capital |  | 2.34% |
Us Treasury Bills, 2.10%, 1/03/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,999,654
% of Partners' Capital |  |  | 4.07%
Us Treasury Bills, 2.10%, 1/10/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,998,440
% of Partners' Capital |  |  | 4.07%
Us Treasury Bills, 2.13%, 1/17/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,997,187
% of Partners' Capital |  |  | 4.07%
Us Treasury Bills, 2.15%, 1/24/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,995,927
% of Partners' Capital |  |  | 4.07%
Us Treasury Bills, 2.18%, 1/31/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,994,612
% of Partners' Capital |  |  | 4.07%
Us Treasury Bills, 2.20%, 2/07/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,995,529
% of Partners' Capital |  |  | 2.71%
Us Treasury Bills, 2.19%, 2/14/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,994,696
% of Partners' Capital |  |  | 2.71%
Us Treasury Bills, 2.20%, 2/21/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,993,823
% of Partners' Capital |  |  | 2.71%
Us Treasury Bills, 2.24%, 2/28/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,989,294
% of Partners' Capital |  |  | 4.06%
Us Treasury Bills, 2.38%, 3/07/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,991,496
% of Partners' Capital |  |  | 2.71%
Us Treasury Bills, 2.28%, 3/14/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,990,980
% of Partners' Capital |  |  | 2.70%
Us Treasury Bills, 2.33%, 3/21/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,989,906
% of Partners' Capital |  |  | 2.70%
Us Treasury Bills, 2.34%, 3/28/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,983,445
% of Partners' Capital |  |  | 4.05%
Us Treasury Bills, 2.37%, 4/04/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,981,826
% of Partners' Capital |  |  | 4.05%
Us Treasury Bills, 2.41%, 4/11/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,980,125
% of Partners' Capital |  |  | 4.05%
Us Treasury Bills, 2.42%, 4/18/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,978,645
% of Partners' Capital |  |  | 4.05%
Us Treasury Bills, 2.43%, 4/25/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,977,200
% of Partners' Capital |  |  | 4.04%
Us Treasury Bills, 2.46%, 5/02/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,983,699
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.47%, 5/09/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,982,684
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.48%, 5/16/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 1,000,000
Market Value |  |  | $ 990,813
% of Partners' Capital |  |  | 1.35%
Us Treasury Bills, 2.50%, 5/23/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,980,554
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.49%, 5/30/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,979,657
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.51%, 6/06/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,978,550
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.51%, 6/13/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 3,000,000
Market Value |  |  | $ 2,966,313
% of Partners' Capital |  |  | 4.03%
Us Treasury Bills, 2.49%, 6/20/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 2,000,000
Market Value |  |  | $ 1,976,767
% of Partners' Capital |  |  | 2.69%
Us Treasury Bills, 2.49%, 6/27/2019 | United States Treasury Obligations [Member] | Cash Equivalents [Member] |  |  |
Principal Amount |  |  | $ 1,000,000
Market Value |  |  | $ 987,905
% of Partners' Capital |  |  | 1.34%
[1] | Collateral amounted to $10,877,607 on open futures contracts.
[2] | Collateral amounted to $17,417,768 on open futures contracts.

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