USAI additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| CTRA | Coterra Energy Inc | 2026-04-30 | Added / first present |
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| AR | Antero Resources Corp | 2026-04-30 | Added / first present |
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| BKV | BKV Corp | 2026-04-30 | Added / first present |
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| CNX | CNX Resources Corp | 2026-04-30 | Added / first present |
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| CRK | Comstock Resources Inc | 2026-04-30 | Added / first present |
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| EQT | EQT Corp | 2026-04-30 | Added / first present |
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| EXE | Expand Energy Corp | 2026-04-30 | Added / first present |
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| GPOR | Gulfport Energy Corp | 2026-04-30 | Added / first present |
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| RRC | Range Resources Corp | 2026-04-30 | Added / first present |
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| SOBO | South Bow Corp | 2026-01-31 | Added / first present |
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| VG | Venture Global Inc | 2025-04-30 | Added / first present |
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| KGS | Kodiak Gas Services Inc | 2023-10-31 | Added / first present |
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| EE | Excelerate Energy Inc | 2023-01-31 | Added / first present |
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| KNTK | Kinetik Holdings Inc | 2022-10-31 | Added / first present |
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| DTM | DT Midstream Inc | 2022-04-30 | Added / first present |
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| NEXT | NextDecade Corp | 2022-04-30 | Added / first present |
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| Mount Vernon Liquid Assets Portfolio, LLC | Mount Vernon Liquid Assets Portfolio, LLC | 2021-10-31 | Added / first present |
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| Mount Vernon Liquid Assets Portfolio, LLC | Mount Vernon Liquid Assets Portfolio, LLC | 2021-04-30 | Added / first present |
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| TELL | Tellurian Inc | 2021-04-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| SOBO | South Bow Corp | 2026-04-30 | Removed / first absent |
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| Mount Vernon Liquid Assets Portfolio, LLC | Mount Vernon Liquid Assets Portfolio, LLC | 2021-10-31 | Removed / first absent |
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| TELL | Tellurian Inc | 2023-04-30 | Removed / first absent |
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| IPL | Inter Pipeline Ltd | 2021-10-31 | Removed / first absent |
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| NBLX | Noble Midstream Partners LP | 2021-04-30 | Removed / first absent |
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| NS | NuStar Energy LP | 2024-04-30 | Removed / first absent |
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| MMP | Magellan Midstream Partners LP | 2023-10-31 | Removed / first absent |
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| SHLX | Shell Midstream Partners LP | 2022-10-31 | Removed / first absent |
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| PSXP | Phillips 66 Partners LP | 2022-04-30 | Removed / first absent |
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| ENLC | EnLink Midstream LLC | 2025-01-31 | Removed / first absent |
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| CEQP | Crestwood Equity Partners LP | 2024-01-31 | Removed / first absent |
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| HEP | Holly Energy Partners LP | 2024-01-31 | Removed / first absent |
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| ETRN | Equitrans Midstream Corp | 2024-04-30 | Removed / first absent |
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| PBFX | PBF Logistics LP | 2023-01-31 | Removed / first absent |
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| RTLR | Rattler Midstream LP | 2022-10-31 | Removed / first absent |
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| ALTM | Altus Midstream Co | 2022-10-31 | Removed / first absent |
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| NFE | New Fortress Energy Inc | 2025-10-31 | Removed / first absent |
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