FENY 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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| WaterBridge Infrastructure LLC | WaterBridge Infrastructure LLC | 2026-04-30 | Added / first present |
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| Diversified Energy Co | Diversified Energy Co | 2026-04-30 | Added / first present |
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| SLB Ltd | SLB Ltd | 2026-01-31 | Added / first present |
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| TETRA Technologies Inc | TETRA Technologies Inc | 2026-01-31 | Added / first present |
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| Sunococorp LLC | Sunococorp LLC | 2026-01-31 | Added / first present |
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| Viper Energy Inc | Viper Energy Inc | 2025-10-31 | Added / first present |
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| Solaris Energy Infrastructure Inc | Solaris Energy Infrastructure Inc | 2025-04-30 | Added / first present |
|---|
| Aris Water Solutions Inc | Aris Water Solutions Inc | 2025-04-30 | Added / first present |
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| BKV Corp | BKV Corp | 2025-04-30 | Added / first present |
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| Calumet Inc | Calumet Inc | 2025-01-31 | Added / first present |
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| Core Natural Resources Inc | Core Natural Resources Inc | 2025-01-31 | Added / first present |
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| Innovex International Inc | Innovex International Inc | 2024-10-31 | Added / first present |
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| Sable Offshore Corp | Sable Offshore Corp | 2024-07-31 | Added / first present |
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| Atlas Energy Solutions Inc | Atlas Energy Solutions Inc | 2024-04-30 | Added / first present |
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| Newpark Resources Inc | Newpark Resources Inc | 2024-01-31 | Added / first present |
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| Hallador Energy Co | Hallador Energy Co | 2024-01-31 | Added / first present |
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| HighPeak Energy Inc | HighPeak Energy Inc | 2024-01-31 | Added / first present |
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| Kodiak Gas Services Inc | Kodiak Gas Services Inc | 2024-01-31 | Added / first present |
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| Viper Energy Inc | Viper Energy Inc | 2024-01-31 | Added / first present |
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| Granite Ridge Resources Inc | Granite Ridge Resources Inc | 2023-10-31 | Added / first present |
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| Atlas Energy Solutions Inc | Atlas Energy Solutions Inc | 2023-10-31 | Added / first present |
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| Schlumberger NV | Schlumberger NV | 2023-07-31 | Added / first present |
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| Riley Exploration Permian Inc | Riley Exploration Permian Inc | 2023-07-31 | Added / first present |
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| Core Laboratories Inc | Core Laboratories Inc | 2023-07-31 | Added / first present |
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| Oil States International Inc | Oil States International Inc | 2023-04-30 | Added / first present |
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| TETRA Technologies Inc | TETRA Technologies Inc | 2023-01-31 | Added / first present |
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| VAALCO Energy Inc | VAALCO Energy Inc | 2023-01-31 | Added / first present |
|---|
| Vertex Energy Inc | Vertex Energy Inc | 2023-01-31 | Added / first present |
|---|
| Diamond Offshore Drilling Inc | Diamond Offshore Drilling Inc | 2023-01-31 | Added / first present |
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| Excelerate Energy Inc | Excelerate Energy Inc | 2023-01-31 | Added / first present |
|---|
| ProFrac Holding Corp | ProFrac Holding Corp | 2023-01-31 | Added / first present |
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| Sitio Royalties Corp | Sitio Royalties Corp | 2023-01-31 | Added / first present |
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| Vitesse Energy Inc | Vitesse Energy Inc | 2023-01-31 | Added / first present |
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| Permian Resources Corp | Permian Resources Corp | 2022-10-31 | Added / first present |
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| SandRidge Energy Inc | SandRidge Energy Inc | 2022-07-31 | Added / first present |
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| Ranger Oil Corp | Ranger Oil Corp | 2022-07-31 | Added / first present |
|---|
| W&T Offshore Inc | W&T Offshore Inc | 2022-07-31 | Added / first present |
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| SilverBow Resources Inc | SilverBow Resources Inc | 2022-07-31 | Added / first present |
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| Earthstone Energy Inc | Earthstone Energy Inc | 2022-07-31 | Added / first present |
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| Tidewater Inc | Tidewater Inc | 2022-07-31 | Added / first present |
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| Gran Tierra Energy Inc | Gran Tierra Energy Inc | 2022-07-31 | Added / first present |
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| NextDecade Corp | NextDecade Corp | 2022-07-31 | Added / first present |
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| Kimbell Royalty Partners LP | Kimbell Royalty Partners LP | 2022-07-31 | Added / first present |
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| New Fortress Energy Inc | New Fortress Energy Inc | 2022-07-31 | Added / first present |
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| Kinetik Holdings Inc | Kinetik Holdings Inc | 2022-07-31 | Added / first present |
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| Enviva Inc | Enviva Inc | 2022-07-31 | Added / first present |
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| Archaea Energy Inc | Archaea Energy Inc | 2022-07-31 | Added / first present |
|---|
| HIPPO PARENT CORP | HIPPO PARENT CORP | 2022-04-30 | Added / first present |
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| Schlumberger NV | Schlumberger NV | 2022-01-31 | Added / first present |
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| Berry Corp | Berry Corp | 2022-01-31 | Added / first present |
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| Peabody Energy Corp | Peabody Energy Corp | 2022-01-31 | Added / first present |
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| CONSOL Energy Inc | CONSOL Energy Inc | 2022-01-31 | Added / first present |
|---|
| Uranium Energy Corp | Uranium Energy Corp | 2022-01-31 | Added / first present |
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| Aspen Aerogels Inc | Aspen Aerogels Inc | 2022-01-31 | Added / first present |
|---|
| Centrus Energy Corp | Centrus Energy Corp | 2022-01-31 | Added / first present |
|---|
| Hess Midstream LP | Hess Midstream LP | 2022-01-31 | Added / first present |
|---|
| Laredo Petroleum Inc | Laredo Petroleum Inc | 2022-01-31 | Added / first present |
|---|
| Gulfport Energy Corp | Gulfport Energy Corp | 2022-01-31 | Added / first present |
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| Civitas Resources Inc | Civitas Resources Inc | 2022-01-31 | Added / first present |
|---|
| Crescent Energy Inc | Crescent Energy Inc | 2022-01-31 | Added / first present |
|---|
| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2021-07-31 | Added / first present |
|---|
| SM Energy Co | SM Energy Co | 2021-07-31 | Added / first present |
|---|
| US Silica Holdings Inc | US Silica Holdings Inc | 2021-07-31 | Added / first present |
|---|
| Tellurian Inc | Tellurian Inc | 2021-07-31 | Added / first present |
|---|
| Contango Oil & Gas Co | Contango Oil & Gas Co | 2021-07-31 | Added / first present |
|---|
| Comstock Resources Inc | Comstock Resources Inc | 2021-07-31 | Added / first present |
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| Gevo Inc | Gevo Inc | 2021-07-31 | Added / first present |
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| Denbury Inc | Denbury Inc | 2021-07-31 | Added / first present |
|---|
| Whiting Petroleum Corp | Whiting Petroleum Corp | 2021-07-31 | Added / first present |
|---|
| Callon Petroleum Co | Callon Petroleum Co | 2021-07-31 | Added / first present |
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| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2021-07-31 | Added / first present |
|---|
| California Resources Corp | California Resources Corp | 2021-07-31 | Added / first present |
|---|
| Extraction Oil & Gas Inc | Extraction Oil & Gas Inc | 2021-07-31 | Added / first present |
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| Oasis Petroleum Inc | Oasis Petroleum Inc | 2021-07-31 | Added / first present |
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| Chesapeake Energy Corp | Chesapeake Energy Corp | 2021-07-31 | Added / first present |
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| DT Midstream Inc | DT Midstream Inc | 2021-07-31 | Added / first present |
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| APA Corp | APA Corp | 2021-04-30 | Added / first present |
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| Green Plains Inc | Green Plains Inc | 2021-01-31 | Added / first present |
|---|
| Bristow Group Inc | Bristow Group Inc | 2021-01-31 | Added / first present |
|---|
| NOV Inc | NOV Inc | 2021-01-31 | Added / first present |
|---|
| Texas Pacific Land Corp | Texas Pacific Land Corp | 2021-01-31 | Added / first present |
|---|
| Alto Ingredients Inc | Alto Ingredients Inc | 2021-01-31 | Added / first present |
|---|
| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2020-10-31 | Added / first present |
|---|
| Ovintiv Inc | Ovintiv Inc | 2020-07-31 | Added / first present |
|---|
| Occidental Petroleum Corp | Occidental Petroleum Corp | 2020-07-31 | Added / first present |
|---|
| ChampionX Corp | ChampionX Corp | 2020-07-31 | Added / first present |
|---|
| Arch Resources Inc | Arch Resources Inc | 2020-07-31 | Added / first present |
|---|
| Chesapeake Energy Corp | Chesapeake Energy Corp | 2020-04-30 | Added / first present |
|---|
| NACCO Industries Inc | NACCO Industries Inc | 2020-01-31 | Added / first present |
|---|
| Brigham Minerals Inc | Brigham Minerals Inc | 2020-01-31 | Added / first present |
|---|
| Rattler Midstream LP | Rattler Midstream LP | 2020-01-31 | Added / first present |
|---|
| Viper Energy Partners LP | Viper Energy Partners LP | 2020-01-31 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| Aris Water Solutions Inc | Aris Water Solutions Inc | 2025-10-31 | Removed / first absent |
|---|
| Newpark Resources Inc | Newpark Resources Inc | 2025-07-31 | Removed / first absent |
|---|
| Hallador Energy Co | Hallador Energy Co | 2024-04-30 | Removed / first absent |
|---|
| HighPeak Energy Inc | HighPeak Energy Inc | 2026-01-31 | Removed / first absent |
|---|
| Viper Energy Inc | Viper Energy Inc | 2025-10-31 | Removed / first absent |
|---|
| Atlas Energy Solutions Inc | Atlas Energy Solutions Inc | 2024-01-31 | Removed / first absent |
|---|
| Schlumberger NV | Schlumberger NV | 2025-10-31 | Removed / first absent |
|---|
| Oil States International Inc | Oil States International Inc | 2024-07-31 | Removed / first absent |
|---|
| TETRA Technologies Inc | TETRA Technologies Inc | 2025-07-31 | Removed / first absent |
|---|
| VAALCO Energy Inc | VAALCO Energy Inc | 2025-07-31 | Removed / first absent |
|---|
| Vertex Energy Inc | Vertex Energy Inc | 2024-04-30 | Removed / first absent |
|---|
| Diamond Offshore Drilling Inc | Diamond Offshore Drilling Inc | 2024-10-31 | Removed / first absent |
|---|
| ProFrac Holding Corp | ProFrac Holding Corp | 2023-10-31 | Removed / first absent |
|---|
| Sitio Royalties Corp | Sitio Royalties Corp | 2025-10-31 | Removed / first absent |
|---|
| SandRidge Energy Inc | SandRidge Energy Inc | 2025-07-31 | Removed / first absent |
|---|
| Ranger Oil Corp | Ranger Oil Corp | 2023-07-31 | Removed / first absent |
|---|
| W&T Offshore Inc | W&T Offshore Inc | 2024-07-31 | Removed / first absent |
|---|
| SilverBow Resources Inc | SilverBow Resources Inc | 2024-07-31 | Removed / first absent |
|---|
| Earthstone Energy Inc | Earthstone Energy Inc | 2024-01-31 | Removed / first absent |
|---|
| Gran Tierra Energy Inc | Gran Tierra Energy Inc | 2023-07-31 | Removed / first absent |
|---|
| New Fortress Energy Inc | New Fortress Energy Inc | 2026-04-30 | Removed / first absent |
|---|
| Enviva Inc | Enviva Inc | 2024-04-30 | Removed / first absent |
|---|
| Archaea Energy Inc | Archaea Energy Inc | 2023-01-31 | Removed / first absent |
|---|
| Schlumberger NV | Schlumberger NV | 2023-01-31 | Removed / first absent |
|---|
| Berry Corp | Berry Corp | 2025-01-31 | Removed / first absent |
|---|
| CONSOL Energy Inc | CONSOL Energy Inc | 2025-01-31 | Removed / first absent |
|---|
| Aspen Aerogels Inc | Aspen Aerogels Inc | 2022-04-30 | Removed / first absent |
|---|
| Laredo Petroleum Inc | Laredo Petroleum Inc | 2026-01-31 | Removed / first absent |
|---|
| Civitas Resources Inc | Civitas Resources Inc | 2026-01-31 | Removed / first absent |
|---|
| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2022-10-31 | Removed / first absent |
|---|
| US Silica Holdings Inc | US Silica Holdings Inc | 2024-10-31 | Removed / first absent |
|---|
| Tellurian Inc | Tellurian Inc | 2024-10-31 | Removed / first absent |
|---|
| Contango Oil & Gas Co | Contango Oil & Gas Co | 2022-01-31 | Removed / first absent |
|---|
| Gevo Inc | Gevo Inc | 2023-07-31 | Removed / first absent |
|---|
| Denbury Inc | Denbury Inc | 2024-01-31 | Removed / first absent |
|---|
| Whiting Petroleum Corp | Whiting Petroleum Corp | 2022-07-31 | Removed / first absent |
|---|
| Callon Petroleum Co | Callon Petroleum Co | 2024-04-30 | Removed / first absent |
|---|
| Extraction Oil & Gas Inc | Extraction Oil & Gas Inc | 2022-01-31 | Removed / first absent |
|---|
| Green Plains Inc | Green Plains Inc | 2025-07-31 | Removed / first absent |
|---|
| Alto Ingredients Inc | Alto Ingredients Inc | 2023-04-30 | Removed / first absent |
|---|
| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2021-01-31 | Removed / first absent |
|---|
| Occidental Petroleum Corp | Occidental Petroleum Corp | 2020-10-31 | Removed / first absent |
|---|
| ChampionX Corp | ChampionX Corp | 2025-07-31 | Removed / first absent |
|---|
| Arch Resources Inc | Arch Resources Inc | 2023-10-31 | Removed / first absent |
|---|
| Chesapeake Energy Corp | Chesapeake Energy Corp | 2020-07-31 | Removed / first absent |
|---|
| NACCO Industries Inc | NACCO Industries Inc | 2020-07-31 | Removed / first absent |
|---|
| Brigham Minerals Inc | Brigham Minerals Inc | 2023-01-31 | Removed / first absent |
|---|
| Rattler Midstream LP | Rattler Midstream LP | 2021-01-31 | Removed / first absent |
|---|
| Viper Energy Partners LP | Viper Energy Partners LP | 2024-01-31 | Removed / first absent |
|---|
| Schlumberger Ltd | Schlumberger Ltd | 2020-01-31 | Removed / first absent |
|---|
| National Oilwell Varco Inc | National Oilwell Varco Inc | 2021-01-31 | Removed / first absent |
|---|
| Southwestern Energy Co | Southwestern Energy Co | 2024-10-31 | Removed / first absent |
|---|
| HollyFrontier Corp | HollyFrontier Corp | 2022-04-30 | Removed / first absent |
|---|
| Hess Corp | Hess Corp | 2025-07-31 | Removed / first absent |
|---|
| Pioneer Natural Resources Co | Pioneer Natural Resources Co | 2024-07-31 | Removed / first absent |
|---|
| Concho Resources Inc | Concho Resources Inc | 2021-01-31 | Removed / first absent |
|---|
| Marathon Oil Corp | Marathon Oil Corp | 2025-01-31 | Removed / first absent |
|---|
| Noble Energy Inc | Noble Energy Inc | 2020-10-31 | Removed / first absent |
|---|
| Apache Corp | Apache Corp | 2021-04-30 | Removed / first absent |
|---|
| Cimarex Energy Co | Cimarex Energy Co | 2021-10-31 | Removed / first absent |
|---|
| Parsley Energy Inc | Parsley Energy Inc | 2021-01-31 | Removed / first absent |
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| WPX Energy Inc | WPX Energy Inc | 2021-01-31 | Removed / first absent |
|---|
| Equitrans Midstream Corp | Equitrans Midstream Corp | 2024-07-31 | Removed / first absent |
|---|
| Continental Resources Inc/OK | Continental Resources Inc/OK | 2022-01-31 | Removed / first absent |
|---|
| Chesapeake Energy Corp | Chesapeake Energy Corp | 2020-04-30 | Removed / first absent |
|---|
| Centennial Resource Development Inc/DE | Centennial Resource Development Inc/DE | 2020-07-31 | Removed / first absent |
|---|
| Solaris Oilfield Infrastructure Inc | Solaris Oilfield Infrastructure Inc | 2020-07-31 | Removed / first absent |
|---|
| Berry Petroleum Corp | Berry Petroleum Corp | 2020-07-31 | Removed / first absent |
|---|
| Peabody Energy Corp | Peabody Energy Corp | 2021-01-31 | Removed / first absent |
|---|
| Roan Resources Inc | Roan Resources Inc | 2020-01-31 | Removed / first absent |
|---|
| SandRidge Energy Inc | SandRidge Energy Inc | 2020-01-31 | Removed / first absent |
|---|
| Apergy Corp | Apergy Corp | 2020-07-31 | Removed / first absent |
|---|
| Dril-Quip Inc | Dril-Quip Inc | 2024-10-31 | Removed / first absent |
|---|
| Arch Coal Inc | Arch Coal Inc | 2020-07-31 | Removed / first absent |
|---|
| PDC Energy Inc | PDC Energy Inc | 2023-10-31 | Removed / first absent |
|---|
| Callon Petroleum Co | Callon Petroleum Co | 2020-07-31 | Removed / first absent |
|---|
| SM Energy Co | SM Energy Co | 2020-07-31 | Removed / first absent |
|---|
| QEP Resources Inc | QEP Resources Inc | 2020-07-31 | Removed / first absent |
|---|
| SRC Energy Inc | SRC Energy Inc | 2020-01-31 | Removed / first absent |
|---|
| Oasis Petroleum Inc | Oasis Petroleum Inc | 2020-07-31 | Removed / first absent |
|---|
| Whiting Petroleum Corp | Whiting Petroleum Corp | 2020-04-30 | Removed / first absent |
|---|
| McDermott International Inc | McDermott International Inc | 2020-01-31 | Removed / first absent |
|---|
| CONSOL Energy Inc | CONSOL Energy Inc | 2020-07-31 | Removed / first absent |
|---|
| Newpark Resources Inc | Newpark Resources Inc | 2020-07-31 | Removed / first absent |
|---|
| Matrix Service Co | Matrix Service Co | 2021-01-31 | Removed / first absent |
|---|
| Gulfport Energy Corp | Gulfport Energy Corp | 2021-01-31 | Removed / first absent |
|---|
| DMC Global Inc | DMC Global Inc | 2024-07-31 | Removed / first absent |
|---|
| KLX Energy Services Holdings Inc | KLX Energy Services Holdings Inc | 2020-01-31 | Removed / first absent |
|---|
| SemGroup Corp | SemGroup Corp | 2020-01-31 | Removed / first absent |
|---|
| US Silica Holdings Inc | US Silica Holdings Inc | 2020-07-31 | Removed / first absent |
|---|
| SEACOR Holdings Inc | SEACOR Holdings Inc | 2021-01-31 | Removed / first absent |
|---|
| Oil States International Inc | Oil States International Inc | 2020-07-31 | Removed / first absent |
|---|
| Carrizo Oil & Gas Inc | Carrizo Oil & Gas Inc | 2020-01-31 | Removed / first absent |
|---|
| Renewable Energy Group Inc | Renewable Energy Group Inc | 2022-07-31 | Removed / first absent |
|---|
| Denbury Resources Inc | Denbury Resources Inc | 2020-07-31 | Removed / first absent |
|---|
| Laredo Petroleum Inc | Laredo Petroleum Inc | 2020-07-31 | Removed / first absent |
|---|
| Jagged Peak Energy Inc | Jagged Peak Energy Inc | 2020-01-31 | Removed / first absent |
|---|
| Bonanza Creek Energy Inc | Bonanza Creek Energy Inc | 2022-01-31 | Removed / first absent |
|---|
| Penn Virginia Corp | Penn Virginia Corp | 2020-07-31 | Removed / first absent |
|---|
| Exterran Corp | Exterran Corp | 2020-07-31 | Removed / first absent |
|---|
| Green Plains Inc | Green Plains Inc | 2020-07-31 | Removed / first absent |
|---|
| Diamond Offshore Drilling Inc | Diamond Offshore Drilling Inc | 2020-04-30 | Removed / first absent |
|---|
| TETRA Technologies Inc | TETRA Technologies Inc | 2020-01-31 | Removed / first absent |
|---|
| Unit Corp | Unit Corp | 2020-01-31 | Removed / first absent |
|---|
| HighPoint Resources Corp | HighPoint Resources Corp | 2020-01-31 | Removed / first absent |
|---|
| Ring Energy Inc | Ring Energy Inc | 2020-01-31 | Removed / first absent |
|---|
| W&T Offshore Inc | W&T Offshore Inc | 2021-01-31 | Removed / first absent |
|---|
| FTS International Inc | FTS International Inc | 2020-01-31 | Removed / first absent |
|---|
| Contura Energy Inc | Contura Energy Inc | 2020-04-30 | Removed / first absent |
|---|
| Mammoth Energy Services Inc | Mammoth Energy Services Inc | 2020-01-31 | Removed / first absent |
|---|
| Covia Holdings Corp | Covia Holdings Corp | 2020-01-31 | Removed / first absent |
|---|
| Forum Energy Technologies Inc | Forum Energy Technologies Inc | 2020-01-31 | Removed / first absent |
|---|
| NexTier Oilfield Solutions Inc | NexTier Oilfield Solutions Inc | 2023-10-31 | Removed / first absent |
|---|
| Texas Pacific Land Trust | Texas Pacific Land Trust | 2021-01-31 | Removed / first absent |
|---|
| Tallgrass Energy LP | Tallgrass Energy LP | 2020-04-30 | Removed / first absent |
|---|
| EnLink Midstream LLC | EnLink Midstream LLC | 2025-01-31 | Removed / first absent |
|---|
| Tellurian Inc | Tellurian Inc | 2021-01-31 | Removed / first absent |
|---|
| Tidewater Inc | Tidewater Inc | 2020-07-31 | Removed / first absent |
|---|
| Gran Tierra Energy Inc | Gran Tierra Energy Inc | 2020-07-31 | Removed / first absent |
|---|
| Northern Oil and Gas Inc | Northern Oil and Gas Inc | 2020-10-31 | Removed / first absent |
|---|
| Clean Energy Fuels Corp | Clean Energy Fuels Corp | 2025-07-31 | Removed / first absent |
|---|
| California Resources Corp | California Resources Corp | 2020-07-31 | Removed / first absent |
|---|
| Extraction Oil & Gas Inc | Extraction Oil & Gas Inc | 2020-07-31 | Removed / first absent |
|---|
| Montage Resources Corp | Montage Resources Corp | 2020-01-31 | Removed / first absent |
|---|
| Nine Energy Service Inc | Nine Energy Service Inc | 2020-01-31 | Removed / first absent |
|---|
| Chaparral Energy Inc | Chaparral Energy Inc | 2020-01-31 | Removed / first absent |
|---|