XOP 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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| Green Plains Inc | Green Plains Inc | 2025-09-30 | Added / first present |
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| Gevo Inc | Gevo Inc | 2025-09-30 | Added / first present |
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| BKV Corp | BKV Corp | 2025-09-30 | Added / first present |
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| Viper Energy Inc | Viper Energy Inc | 2025-09-30 | Added / first present |
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| Venture Global Inc | Venture Global Inc | 2025-06-30 | Added / first present |
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| Calumet Inc | Calumet Inc | 2024-12-31 | Added / first present |
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| HighPeak Energy Inc | HighPeak Energy Inc | 2024-09-30 | Added / first present |
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| Sable Offshore Corp | Sable Offshore Corp | 2024-09-30 | Added / first present |
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| SandRidge Energy Inc | SandRidge Energy Inc | 2024-06-30 | Added / first present |
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| Chesapeake Energy Corp | Chesapeake Energy Corp | 2024-06-30 | Added / first present |
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| Viper Energy Inc | Viper Energy Inc | 2024-06-30 | Added / first present |
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| Baytex Energy Corp | Baytex Energy Corp | 2023-06-30 | Added / first present |
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| Vitesse Energy Inc | Vitesse Energy Inc | 2023-06-30 | Added / first present |
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| VAALCO Energy Inc | VAALCO Energy Inc | 2022-12-31 | Added / first present |
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| Sitio Royalties Corp | Sitio Royalties Corp | 2022-12-31 | Added / first present |
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| SilverBow Resources Inc | SilverBow Resources Inc | 2022-09-30 | Added / first present |
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| Permian Resources Corp | Permian Resources Corp | 2022-09-30 | Added / first present |
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| Earthstone Energy Inc | Earthstone Energy Inc | 2022-06-30 | Added / first present |
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| VAALCO Energy Inc | VAALCO Energy Inc | 2022-06-30 | Added / first present |
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| Vertex Energy Inc | Vertex Energy Inc | 2022-06-30 | Added / first present |
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| W&T Offshore Inc | W&T Offshore Inc | 2022-03-31 | Added / first present |
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| Archaea Energy Inc | Archaea Energy Inc | 2022-03-31 | Added / first present |
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| HIPPO PARENT CORP | HIPPO PARENT CORP | 2022-03-31 | Added / first present |
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| Berry Corp | Berry Corp | 2021-12-31 | Added / first present |
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| Ranger Oil Corp | Ranger Oil Corp | 2021-12-31 | Added / first present |
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| Comstock Resources Inc | Comstock Resources Inc | 2021-12-31 | Added / first present |
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| Aemetis Inc | Aemetis Inc | 2021-12-31 | Added / first present |
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| California Resources Corp | California Resources Corp | 2021-12-31 | Added / first present |
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| Gulfport Energy Corp | Gulfport Energy Corp | 2021-12-31 | Added / first present |
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| Civitas Resources Inc | Civitas Resources Inc | 2021-12-31 | Added / first present |
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| Crescent Energy Inc | Crescent Energy Inc | 2021-12-31 | Added / first present |
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| Texas Pacific Land Corp | Texas Pacific Land Corp | 2021-09-30 | Added / first present |
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| Talos Energy Inc | Talos Energy Inc | 2021-06-30 | Added / first present |
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| Contango Oil & Gas Co | Contango Oil & Gas Co | 2021-06-30 | Added / first present |
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| Laredo Petroleum Inc | Laredo Petroleum Inc | 2021-06-30 | Added / first present |
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| Oasis Petroleum Inc | Oasis Petroleum Inc | 2021-06-30 | Added / first present |
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| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2021-03-31 | Added / first present |
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| Tellurian Inc | Tellurian Inc | 2021-03-31 | Added / first present |
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| Brigham Minerals Inc | Brigham Minerals Inc | 2021-03-31 | Added / first present |
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| Gevo Inc | Gevo Inc | 2021-03-31 | Added / first present |
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| Denbury Inc | Denbury Inc | 2021-03-31 | Added / first present |
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| Whiting Petroleum Corp | Whiting Petroleum Corp | 2021-03-31 | Added / first present |
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| Callon Petroleum Co | Callon Petroleum Co | 2021-03-31 | Added / first present |
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| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2021-03-31 | Added / first present |
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| Alto Ingredients Inc | Alto Ingredients Inc | 2021-03-31 | Added / first present |
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| APA Corp | APA Corp | 2021-03-31 | Added / first present |
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| SM Energy Co | SM Energy Co | 2020-12-31 | Added / first present |
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| Clean Energy Fuels Corp | Clean Energy Fuels Corp | 2020-12-31 | Added / first present |
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| New Fortress Energy Inc | New Fortress Energy Inc | 2020-12-31 | Added / first present |
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| Chicago Mercantile Exchange | Chicago Mercantile Exchange | 2020-09-30 | Added / first present |
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| Green Plains Inc | Green Plains Inc | 2020-09-30 | Added / first present |
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| Ovintiv Inc | Ovintiv Inc | 2020-09-30 | Added / first present |
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| Green Plains Inc | Green Plains Inc | 2019-12-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| HighPeak Energy Inc | HighPeak Energy Inc | 2025-06-30 | Removed / first absent |
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| Viper Energy Inc | Viper Energy Inc | 2025-09-30 | Removed / first absent |
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| Baytex Energy Corp | Baytex Energy Corp | 2023-09-30 | Removed / first absent |
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| Sitio Royalties Corp | Sitio Royalties Corp | 2025-09-30 | Removed / first absent |
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| SilverBow Resources Inc | SilverBow Resources Inc | 2024-09-30 | Removed / first absent |
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| Earthstone Energy Inc | Earthstone Energy Inc | 2023-12-31 | Removed / first absent |
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| VAALCO Energy Inc | VAALCO Energy Inc | 2022-09-30 | Removed / first absent |
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| Vertex Energy Inc | Vertex Energy Inc | 2023-12-31 | Removed / first absent |
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| W&T Offshore Inc | W&T Offshore Inc | 2024-03-31 | Removed / first absent |
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| Archaea Energy Inc | Archaea Energy Inc | 2022-12-31 | Removed / first absent |
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| Berry Corp | Berry Corp | 2025-06-30 | Removed / first absent |
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| Ranger Oil Corp | Ranger Oil Corp | 2023-06-30 | Removed / first absent |
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| Aemetis Inc | Aemetis Inc | 2022-06-30 | Removed / first absent |
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| Civitas Resources Inc | Civitas Resources Inc | 2026-03-31 | Removed / first absent |
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| Contango Oil & Gas Co | Contango Oil & Gas Co | 2021-12-31 | Removed / first absent |
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| Laredo Petroleum Inc | Laredo Petroleum Inc | 2025-12-31 | Removed / first absent |
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| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2022-09-30 | Removed / first absent |
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| Tellurian Inc | Tellurian Inc | 2024-12-31 | Removed / first absent |
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| Brigham Minerals Inc | Brigham Minerals Inc | 2022-12-31 | Removed / first absent |
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| Gevo Inc | Gevo Inc | 2023-12-31 | Removed / first absent |
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| Denbury Inc | Denbury Inc | 2023-12-31 | Removed / first absent |
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| Whiting Petroleum Corp | Whiting Petroleum Corp | 2022-09-30 | Removed / first absent |
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| Callon Petroleum Co | Callon Petroleum Co | 2024-06-30 | Removed / first absent |
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| Alto Ingredients Inc | Alto Ingredients Inc | 2022-09-30 | Removed / first absent |
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| New Fortress Energy Inc | New Fortress Energy Inc | 2021-12-31 | Removed / first absent |
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| Green Plains Inc | Green Plains Inc | 2025-06-30 | Removed / first absent |
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| Green Plains Inc | Green Plains Inc | 2020-06-30 | Removed / first absent |
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| Southwestern Energy Co | Southwestern Energy Co | 2024-12-31 | Removed / first absent |
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| HollyFrontier Corp | HollyFrontier Corp | 2022-03-31 | Removed / first absent |
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| Hess Corp | Hess Corp | 2025-09-30 | Removed / first absent |
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| Pioneer Natural Resources Co | Pioneer Natural Resources Co | 2024-06-30 | Removed / first absent |
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| Concho Resources Inc | Concho Resources Inc | 2021-03-31 | Removed / first absent |
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| Marathon Oil Corp | Marathon Oil Corp | 2024-12-31 | Removed / first absent |
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| Noble Energy Inc | Noble Energy Inc | 2020-12-31 | Removed / first absent |
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| Apache Corp | Apache Corp | 2021-03-31 | Removed / first absent |
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| Cimarex Energy Co | Cimarex Energy Co | 2021-12-31 | Removed / first absent |
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| Parsley Energy Inc | Parsley Energy Inc | 2021-03-31 | Removed / first absent |
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| WPX Energy Inc | WPX Energy Inc | 2021-03-31 | Removed / first absent |
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| Continental Resources Inc/OK | Continental Resources Inc/OK | 2022-12-31 | Removed / first absent |
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| Chesapeake Energy Corp | Chesapeake Energy Corp | 2020-06-30 | Removed / first absent |
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| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2020-06-30 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2024-09-30 | Removed / first absent |
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| Talos Energy Inc | Talos Energy Inc | 2020-06-30 | Removed / first absent |
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| PDC Energy Inc | PDC Energy Inc | 2023-09-30 | Removed / first absent |
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| Callon Petroleum Co | Callon Petroleum Co | 2020-06-30 | Removed / first absent |
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| SM Energy Co | SM Energy Co | 2020-09-30 | Removed / first absent |
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| QEP Resources Inc | QEP Resources Inc | 2020-06-30 | Removed / first absent |
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| SRC Energy Inc | SRC Energy Inc | 2020-03-31 | Removed / first absent |
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| Oasis Petroleum Inc | Oasis Petroleum Inc | 2020-06-30 | Removed / first absent |
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| Whiting Petroleum Corp | Whiting Petroleum Corp | 2020-06-30 | Removed / first absent |
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| Gulfport Energy Corp | Gulfport Energy Corp | 2020-06-30 | Removed / first absent |
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| Carrizo Oil & Gas Inc | Carrizo Oil & Gas Inc | 2019-12-31 | Removed / first absent |
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| Renewable Energy Group Inc | Renewable Energy Group Inc | 2022-06-30 | Removed / first absent |
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| Denbury Resources Inc | Denbury Resources Inc | 2020-06-30 | Removed / first absent |
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| Laredo Petroleum Inc | Laredo Petroleum Inc | 2020-06-30 | Removed / first absent |
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| Jagged Peak Energy Inc | Jagged Peak Energy Inc | 2020-03-31 | Removed / first absent |
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| Bonanza Creek Energy Inc | Bonanza Creek Energy Inc | 2021-12-31 | Removed / first absent |
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| Penn Virginia Corp | Penn Virginia Corp | 2020-06-30 | Removed / first absent |
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| W&T Offshore Inc | W&T Offshore Inc | 2020-06-30 | Removed / first absent |
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| Tellurian Inc | Tellurian Inc | 2020-06-30 | Removed / first absent |
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| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2020-06-30 | Removed / first absent |
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| California Resources Corp | California Resources Corp | 2020-06-30 | Removed / first absent |
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| Extraction Oil & Gas Inc | Extraction Oil & Gas Inc | 2019-12-31 | Removed / first absent |
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