DIG 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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| Expand Energy Corp. | Expand Energy Corp. | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2024-11-30 | Added / first present |
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| United States of America | United States of America | 2024-11-30 | Added / first present |
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| United States of America | United States of America | 2024-08-31 | Added / first present |
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| United States of America | United States of America | 2024-08-31 | Added / first present |
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| United States of America | United States of America | 2024-05-31 | Added / first present |
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| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2023-02-28 | Added / first present |
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| Vitesse Energy, Inc. | Vitesse Energy, Inc. | 2023-02-28 | Added / first present |
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| Southwestern Energy Co. | Southwestern Energy Co. | 2022-11-30 | Added / first present |
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| Range Resources Corp. | Range Resources Corp. | 2022-11-30 | Added / first present |
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| Antero Resources Corp. | Antero Resources Corp. | 2022-11-30 | Added / first present |
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| Matador Resources Co. | Matador Resources Co. | 2022-11-30 | Added / first present |
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| PDC Energy, Inc. | PDC Energy, Inc. | 2022-11-30 | Added / first present |
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| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2022-11-30 | Added / first present |
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| HF Sinclair Corp. | HF Sinclair Corp. | 2022-05-31 | Added / first present |
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| Plug Power, Inc. | Plug Power, Inc. | 2021-11-30 | Added / first present |
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| TFDXX LEX BLACKROCK FED FUND | TFDXX LEX BLACKROCK FED FUND | 2021-11-30 | Added / first present |
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| New Fortress Energy, Inc. | New Fortress Energy, Inc. | 2021-11-30 | Added / first present |
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| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2021-08-31 | Added / first present |
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| DT Midstream, Inc. | DT Midstream, Inc. | 2021-08-31 | Added / first present |
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| APA Corp. | APA Corp. | 2021-05-31 | Added / first present |
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| NOV, Inc. | NOV, Inc. | 2021-02-28 | Added / first present |
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| ChampionX Corp. | ChampionX Corp. | 2020-08-31 | Added / first present |
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| TFDXX LEX BLACKROCK FED FUND | TFDXX LEX BLACKROCK FED FUND | 2020-05-31 | Added / first present |
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| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2020-05-31 | Added / first present |
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| Ovintiv, Inc. | Ovintiv, Inc. | 2020-02-29 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-02-28 | Removed / first absent |
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| United States of America | United States of America | 2024-11-30 | Removed / first absent |
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| United States of America | United States of America | 2025-02-28 | Removed / first absent |
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| United States of America | United States of America | 2024-08-31 | Removed / first absent |
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| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2023-05-31 | Removed / first absent |
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| Vitesse Energy, Inc. | Vitesse Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Southwestern Energy Co. | Southwestern Energy Co. | 2023-05-31 | Removed / first absent |
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| Range Resources Corp. | Range Resources Corp. | 2023-05-31 | Removed / first absent |
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| Antero Resources Corp. | Antero Resources Corp. | 2023-05-31 | Removed / first absent |
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| Matador Resources Co. | Matador Resources Co. | 2023-05-31 | Removed / first absent |
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| PDC Energy, Inc. | PDC Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2023-05-31 | Removed / first absent |
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| HF Sinclair Corp. | HF Sinclair Corp. | 2023-05-31 | Removed / first absent |
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| Plug Power, Inc. | Plug Power, Inc. | 2023-05-31 | Removed / first absent |
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| TFDXX LEX BLACKROCK FED FUND | TFDXX LEX BLACKROCK FED FUND | 2022-08-31 | Removed / first absent |
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| New Fortress Energy, Inc. | New Fortress Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2023-05-31 | Removed / first absent |
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| DT Midstream, Inc. | DT Midstream, Inc. | 2023-05-31 | Removed / first absent |
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| NOV, Inc. | NOV, Inc. | 2023-05-31 | Removed / first absent |
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| ChampionX Corp. | ChampionX Corp. | 2020-11-30 | Removed / first absent |
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| TFDXX LEX BLACKROCK FED FUND | TFDXX LEX BLACKROCK FED FUND | 2021-08-31 | Removed / first absent |
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| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2020-08-31 | Removed / first absent |
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| Ovintiv, Inc. | Ovintiv, Inc. | 2023-05-31 | Removed / first absent |
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| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2021-02-28 | Removed / first absent |
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| HollyFrontier Corp. | HollyFrontier Corp. | 2022-05-31 | Removed / first absent |
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| OGE Energy Corp. | OGE Energy Corp. | 2023-05-31 | Removed / first absent |
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| Hess Corp. | Hess Corp. | 2025-08-31 | Removed / first absent |
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| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2024-05-31 | Removed / first absent |
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| Concho Resources, Inc. | Concho Resources, Inc. | 2021-02-28 | Removed / first absent |
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| Marathon Oil Corp. | Marathon Oil Corp. | 2024-11-30 | Removed / first absent |
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| Noble Energy, Inc. | Noble Energy, Inc. | 2020-11-30 | Removed / first absent |
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| Apache Corp. | Apache Corp. | 2021-05-31 | Removed / first absent |
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| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2020-11-30 | Removed / first absent |
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| Cimarex Energy Co. | Cimarex Energy Co. | 2021-11-30 | Removed / first absent |
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| Parsley Energy, Inc. | Parsley Energy, Inc. | 2021-02-28 | Removed / first absent |
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| WPX Energy, Inc. | WPX Energy, Inc. | 2021-02-28 | Removed / first absent |
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| PBF Energy, Inc. | PBF Energy, Inc. | 2020-11-30 | Removed / first absent |
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| Equitrans Midstream Corp. | Equitrans Midstream Corp. | 2023-05-31 | Removed / first absent |
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| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2020-11-30 | Removed / first absent |
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| Continental Resources, Inc. | Continental Resources, Inc. | 2022-11-30 | Removed / first absent |
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| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2020-05-31 | Removed / first absent |
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| First Solar, Inc. | First Solar, Inc. | 2023-05-31 | Removed / first absent |
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| Murphy Oil Corp. | Murphy Oil Corp. | 2020-11-30 | Removed / first absent |
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| Delek US Holdings, Inc. | Delek US Holdings, Inc. | 2020-11-30 | Removed / first absent |
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| World Fuel Services Corp. | World Fuel Services Corp. | 2020-11-30 | Removed / first absent |
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| Apergy Corp. | Apergy Corp. | 2020-08-31 | Removed / first absent |
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| Matador Resources Co. | Matador Resources Co. | 2020-11-30 | Removed / first absent |
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| CVR Energy, Inc. | CVR Energy, Inc. | 2020-11-30 | Removed / first absent |
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| Whiting Petroleum Corp. | Whiting Petroleum Corp. | 2020-05-31 | Removed / first absent |
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| TFDXX LEX BLACKROCK FED FUND | TFDXX LEX BLACKROCK FED FUND | 2020-02-29 | Removed / first absent |
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