PXI 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 |
|---|---|---|---|
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2026-04-30 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2026-04-30 | Added / first present |
| Solaris Energy Infrastructure, Inc. | Solaris Energy Infrastructure, Inc. | 2026-04-30 | Added / first present |
| Talos Energy Inc. | Talos Energy Inc. | 2026-04-30 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2026-04-30 | Added / first present |
| Transocean Ltd. | Transocean Ltd. | 2026-04-30 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2026-04-30 | Added / first present |
| Crescent Energy Co. | Crescent Energy Co. | 2026-04-30 | Added / first present |
| Innovex International, Inc. | Innovex International, Inc. | 2026-04-30 | Added / first present |
| Core Natural Resources, Inc. | Core Natural Resources, Inc. | 2026-04-30 | Added / first present |
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2026-01-31 | Added / first present |
| Antero Resources Corp. | Antero Resources Corp. | 2026-01-31 | Added / first present |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2026-01-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2026-01-31 | Added / first present |
| Liberty Energy Inc. | Liberty Energy Inc. | 2026-01-31 | Added / first present |
| TETRA Technologies, Inc. | TETRA Technologies, Inc. | 2026-01-31 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2026-01-31 | Added / first present |
| APA Corp. | APA Corp. | 2026-01-31 | Added / first present |
| Expand Energy Corp. | Expand Energy Corp. | 2026-01-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2026-01-31 | Added / first present |
| Sable Offshore Corp. | Sable Offshore Corp. | 2026-01-31 | Added / first present |
| BKV Corp. | BKV Corp. | 2026-01-31 | Added / first present |
| Phillips 66 | Phillips 66 | 2025-10-31 | Added / first present |
| Peabody Energy Corp. | Peabody Energy Corp. | 2025-10-31 | Added / first present |
| Tidewater Inc. | Tidewater Inc. | 2025-10-31 | Added / first present |
| PrimeEnergy Resources Corp. | PrimeEnergy Resources Corp. | 2025-10-31 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2025-10-31 | Added / first present |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2025-10-31 | Added / first present |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2025-10-31 | Added / first present |
| Seadrill Ltd. | Seadrill Ltd. | 2025-10-31 | Added / first present |
| Viper Energy, Inc. | Viper Energy, Inc. | 2025-10-31 | Added / first present |
| PBF Energy Inc. | PBF Energy Inc. | 2025-07-31 | Added / first present |
| Delek US Holdings, Inc. | Delek US Holdings, Inc. | 2025-07-31 | Added / first present |
| Hallador Energy Co. | Hallador Energy Co. | 2025-07-31 | Added / first present |
| Par Pacific Holdings, Inc. | Par Pacific Holdings, Inc. | 2025-07-31 | Added / first present |
| Green Plains Inc. | Green Plains Inc. | 2025-07-31 | Added / first present |
| Vital Energy, Inc. | Vital Energy, Inc. | 2025-07-31 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2025-07-31 | Added / first present |
| HF Sinclair Corp. | HF Sinclair Corp. | 2025-07-31 | Added / first present |
| Calumet, Inc. | Calumet, Inc. | 2025-07-31 | Added / first present |
| Valero Energy Corp. | Valero Energy Corp. | 2025-04-30 | Added / first present |
| Phillips 66 | Phillips 66 | 2025-04-30 | Added / first present |
| Coterra Energy Inc. | Coterra Energy Inc. | 2025-04-30 | Added / first present |
| CVR Energy, Inc. | CVR Energy, Inc. | 2025-04-30 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2025-04-30 | Added / first present |
| Kodiak Gas Services, Inc. | Kodiak Gas Services, Inc. | 2025-04-30 | Added / first present |
| Innovex International, Inc. | Innovex International, Inc. | 2025-04-30 | Added / first present |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2025-01-31 | Added / first present |
| Range Resources Corp. | Range Resources Corp. | 2025-01-31 | Added / first present |
| Antero Resources Corp. | Antero Resources Corp. | 2025-01-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2025-01-31 | Added / first present |
| NextDecade Corp. | NextDecade Corp. | 2025-01-31 | Added / first present |
| Centrus Energy Corp. | Centrus Energy Corp. | 2025-01-31 | Added / first present |
| Expand Energy Corp. | Expand Energy Corp. | 2025-01-31 | Added / first present |
| Crescent Energy Co. | Crescent Energy Co. | 2025-01-31 | Added / first present |
| Calumet, Inc. | Calumet, Inc. | 2025-01-31 | Added / first present |
| Core Natural Resources, Inc. | Core Natural Resources, Inc. | 2025-01-31 | Added / first present |
| Phillips 66 | Phillips 66 | 2024-10-31 | Added / first present |
| Baker Hughes Co. | Baker Hughes Co. | 2024-10-31 | Added / first present |
| Antero Midstream Corp. | Antero Midstream Corp. | 2024-10-31 | Added / first present |
| CNX Resources Corp. | CNX Resources Corp. | 2024-10-31 | Added / first present |
| Cactus, Inc. | Cactus, Inc. | 2024-10-31 | Added / first present |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2024-10-31 | Added / first present |
| Kinetik Holdings Inc. | Kinetik Holdings Inc. | 2024-10-31 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2024-10-31 | Added / first present |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2024-10-31 | Added / first present |
| DT Midstream, Inc. | DT Midstream, Inc. | 2024-10-31 | Added / first present |
| HF Sinclair Corp. | HF Sinclair Corp. | 2024-10-31 | Added / first present |
| Kinder Morgan, Inc. | Kinder Morgan, Inc. | 2024-07-31 | Added / first present |
| Williams Cos., Inc. (The) | Williams Cos., Inc. (The) | 2024-07-31 | Added / first present |
| Antero Resources Corp. | Antero Resources Corp. | 2024-07-31 | Added / first present |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2024-07-31 | Added / first present |
| CVR Energy, Inc. | CVR Energy, Inc. | 2024-07-31 | Added / first present |
| CONSOL Energy Inc. | CONSOL Energy Inc. | 2024-07-31 | Added / first present |
| NextDecade Corp. | NextDecade Corp. | 2024-07-31 | Added / first present |
| VAALCO Energy, Inc. | VAALCO Energy, Inc. | 2024-07-31 | Added / first present |
| Centrus Energy Corp. | Centrus Energy Corp. | 2024-07-31 | Added / first present |
| Arch Resources, Inc. | Arch Resources, Inc. | 2024-07-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2024-07-31 | Added / first present |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2024-07-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2024-07-31 | Added / first present |
| Valero Energy Corp. | Valero Energy Corp. | 2024-04-30 | Added / first present |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2024-04-30 | Added / first present |
| Chevron Corp. | Chevron Corp. | 2024-04-30 | Added / first present |
| ConocoPhillips | ConocoPhillips | 2024-04-30 | Added / first present |
| Phillips 66 | Phillips 66 | 2024-04-30 | Added / first present |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2024-04-30 | Added / first present |
| Marathon Oil Corp. | Marathon Oil Corp. | 2024-04-30 | Added / first present |
| Devon Energy Corp. | Devon Energy Corp. | 2024-04-30 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2024-04-30 | Added / first present |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2024-04-30 | Added / first present |
| SM Energy Co. | SM Energy Co. | 2024-04-30 | Added / first present |
| Transocean Ltd. | Transocean Ltd. | 2024-04-30 | Added / first present |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2024-04-30 | Added / first present |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2024-04-30 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2024-04-30 | Added / first present |
| HF Sinclair Corp. | HF Sinclair Corp. | 2024-04-30 | Added / first present |
| Viper Energy, Inc. | Viper Energy, Inc. | 2024-04-30 | Added / first present |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2024-01-31 | Added / first present |
| EOG Resources, Inc. | EOG Resources, Inc. | 2024-01-31 | Added / first present |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2024-01-31 | Added / first present |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2024-01-31 | Added / first present |
| CVR Energy, Inc. | CVR Energy, Inc. | 2024-01-31 | Added / first present |
| Newpark Resources, Inc. | Newpark Resources, Inc. | 2024-01-31 | Added / first present |
| Liberty Energy Inc. | Liberty Energy Inc. | 2024-01-31 | Added / first present |
| Centrus Energy Corp. | Centrus Energy Corp. | 2024-01-31 | Added / first present |
| Arch Resources, Inc. | Arch Resources, Inc. | 2024-01-31 | Added / first present |
| Chord Energy Corp. | Chord Energy Corp. | 2024-01-31 | Added / first present |
| Gulfport Energy Corp. | Gulfport Energy Corp. | 2024-01-31 | Added / first present |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2024-01-31 | Added / first present |
| Valero Energy Corp. | Valero Energy Corp. | 2023-10-31 | Added / first present |
| Schlumberger N.V. | Schlumberger N.V. | 2023-10-31 | Added / first present |
| Phillips 66 | Phillips 66 | 2023-10-31 | Added / first present |
| Kinder Morgan, Inc. | Kinder Morgan, Inc. | 2023-10-31 | Added / first present |
| Halliburton Co. | Halliburton Co. | 2023-10-31 | Added / first present |
| Baker Hughes Co. | Baker Hughes Co. | 2023-10-31 | Added / first present |
| Antero Midstream Corp. | Antero Midstream Corp. | 2023-10-31 | Added / first present |
| CNX Resources Corp. | CNX Resources Corp. | 2023-10-31 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2023-10-31 | Added / first present |
| SilverBow Resources, Inc. | SilverBow Resources, Inc. | 2023-10-31 | Added / first present |
| Vital Energy Inc. | Vital Energy Inc. | 2023-10-31 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2023-10-31 | Added / first present |
| APA Corp. | APA Corp. | 2023-10-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2023-10-31 | Added / first present |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2023-07-31 | Added / first present |
| Equitrans Midstream Corp. | Equitrans Midstream Corp. | 2023-07-31 | Added / first present |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2023-07-31 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2023-07-31 | Added / first present |
| CONSOL Energy Inc. | CONSOL Energy Inc. | 2023-07-31 | Added / first present |
| NextDecade Corp. | NextDecade Corp. | 2023-07-31 | Added / first present |
| Aemetis, Inc. | Aemetis, Inc. | 2023-07-31 | Added / first present |
| Denbury Inc. | Denbury Inc. | 2023-07-31 | Added / first present |
| Gulfport Energy Corp. | Gulfport Energy Corp. | 2023-07-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2023-07-31 | Added / first present |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2023-07-31 | Added / first present |
| Enviva Inc. | Enviva Inc. | 2023-07-31 | Added / first present |
| HF Sinclair Corp. | HF Sinclair Corp. | 2023-07-31 | Added / first present |
| Valero Energy Corp. | Valero Energy Corp. | 2023-04-30 | Added / first present |
| Chevron Corp. | Chevron Corp. | 2023-04-30 | Added / first present |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2023-04-30 | Added / first present |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2023-04-30 | Added / first present |
| Targa Resources Corp. | Targa Resources Corp. | 2023-04-30 | Added / first present |
| PBF Energy Inc. | PBF Energy Inc. | 2023-04-30 | Added / first present |
| Antero Resources Corp. | Antero Resources Corp. | 2023-04-30 | Added / first present |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2023-04-30 | Added / first present |
| CVR Energy, Inc. | CVR Energy, Inc. | 2023-04-30 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2023-04-30 | Added / first present |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2023-04-30 | Added / first present |
| Par Pacific Holdings, Inc. | Par Pacific Holdings, Inc. | 2023-04-30 | Added / first present |
| Oil States International, Inc. | Oil States International, Inc. | 2023-04-30 | Added / first present |
| Arch Resources, Inc. | Arch Resources, Inc. | 2023-04-30 | Added / first present |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2023-04-30 | Added / first present |
| Vitesse Energy, Inc. | Vitesse Energy, Inc. | 2023-04-30 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2023-01-31 | Added / first present |
| Helix Energy Solutions Group, Inc. | Helix Energy Solutions Group, Inc. | 2023-01-31 | Added / first present |
| Transocean Ltd. | Transocean Ltd. | 2023-01-31 | Added / first present |
| NexTier Oilfield Solutions Inc. | NexTier Oilfield Solutions Inc. | 2023-01-31 | Added / first present |
| Tidewater Inc. | Tidewater Inc. | 2023-01-31 | Added / first present |
| Ovintiv Inc. | Ovintiv Inc. | 2023-01-31 | Added / first present |
| ChampionX Corp. | ChampionX Corp. | 2023-01-31 | Added / first present |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2023-01-31 | Added / first present |
| APA Corp. | APA Corp. | 2023-01-31 | Added / first present |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2023-01-31 | Added / first present |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2023-01-31 | Added / first present |
| Permian Resources Corp. | Permian Resources Corp. | 2023-01-31 | Added / first present |
| Sitio Royalties Corp. | Sitio Royalties Corp. | 2023-01-31 | Added / first present |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2022-10-31 | Added / first present |
| Hess Corp. | Hess Corp. | 2022-10-31 | Added / first present |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2022-10-31 | Added / first present |
| Range Resources Corp. | Range Resources Corp. | 2022-10-31 | Added / first present |
| Berry Corp. | Berry Corp. | 2022-10-31 | Added / first present |
| Murphy Oil Corp. | Murphy Oil Corp. | 2022-10-31 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2022-10-31 | Added / first present |
| W&T Offshore, Inc. | W&T Offshore, Inc. | 2022-10-31 | Added / first present |
| Centrus Energy Corp. | Centrus Energy Corp. | 2022-10-31 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2022-10-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2022-10-31 | Added / first present |
| Sitio Royalties Corp. | Sitio Royalties Corp. | 2022-10-31 | Added / first present |
| Southwestern Energy Co. | Southwestern Energy Co. | 2022-07-31 | Added / first present |
| PBF Energy, Inc. | PBF Energy, Inc. | 2022-07-31 | Added / first present |
| SandRidge Energy, Inc. | SandRidge Energy, Inc. | 2022-07-31 | Added / first present |
| CVR Energy, Inc. | CVR Energy, Inc. | 2022-07-31 | Added / first present |
| Ranger Oil Corp. | Ranger Oil Corp. | 2022-07-31 | Added / first present |
| Tidewater, Inc. | Tidewater, Inc. | 2022-07-31 | Added / first present |
| VAALCO Energy, Inc. | VAALCO Energy, Inc. | 2022-07-31 | Added / first present |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2022-07-31 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2022-07-31 | Added / first present |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2022-07-31 | Added / first present |
| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2022-07-31 | Added / first present |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2022-07-31 | Added / first present |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2022-07-31 | Added / first present |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2022-04-30 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2022-04-30 | Added / first present |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2022-04-30 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2022-04-30 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2022-04-30 | Added / first present |
| US Silica Holdings, Inc. | US Silica Holdings, Inc. | 2022-04-30 | Added / first present |
| Earthstone Energy, Inc. | Earthstone Energy, Inc. | 2022-04-30 | Added / first present |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2022-04-30 | Added / first present |
| Vertex Energy, Inc. | Vertex Energy, Inc. | 2022-04-30 | Added / first present |
| Noble Corp. | Noble Corp. | 2022-04-30 | Added / first present |
| Chevron Corp. | Chevron Corp. | 2022-01-31 | Added / first present |
| Williams Cos., Inc. (The) | Williams Cos., Inc. (The) | 2022-01-31 | Added / first present |
| Halliburton Co. | Halliburton Co. | 2022-01-31 | Added / first present |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2022-01-31 | Added / first present |
| Ranger Oil Corp. | Ranger Oil Corp. | 2022-01-31 | Added / first present |
| ChampionX Corp. | ChampionX Corp. | 2022-01-31 | Added / first present |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2022-01-31 | Added / first present |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2022-01-31 | Added / first present |
| APA Corp. | APA Corp. | 2022-01-31 | Added / first present |
| DT Midstream, Inc. | DT Midstream, Inc. | 2022-01-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2022-01-31 | Added / first present |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2022-01-31 | Added / first present |
| Valero Energy Corp. | Valero Energy Corp. | 2021-10-31 | Added / first present |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2021-10-31 | Added / first present |
| ConocoPhillips Co. | ConocoPhillips Co. | 2021-10-31 | Added / first present |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2021-10-31 | Added / first present |
| Baker Hughes Co. | Baker Hughes Co. | 2021-10-31 | Added / first present |
| Antero Midstream Corp. | Antero Midstream Corp. | 2021-10-31 | Added / first present |
| SandRidge Energy, Inc. | SandRidge Energy, Inc. | 2021-10-31 | Added / first present |
| CONSOL Energy, Inc. | CONSOL Energy, Inc. | 2021-10-31 | Added / first present |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2021-10-31 | Added / first present |
| Aemetis, Inc. | Aemetis, Inc. | 2021-10-31 | Added / first present |
| Arch Resources, Inc. | Arch Resources, Inc. | 2021-10-31 | Added / first present |
| Denbury, Inc. | Denbury, Inc. | 2021-10-31 | Added / first present |
| California Resources Corp. | California Resources Corp. | 2021-10-31 | Added / first present |
| Oasis Petroleum, Inc. | Oasis Petroleum, Inc. | 2021-10-31 | Added / first present |
| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2021-10-31 | Added / first present |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2021-10-31 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2021-10-31 | Added / first present |
| Noble Corp. | Noble Corp. | 2021-10-31 | Added / first present |
| EOG Resources, Inc. | EOG Resources, Inc. | 2021-07-31 | Added / first present |
| Range Resources Corp. | Range Resources Corp. | 2021-07-31 | Added / first present |
| Centennial Resource Development, Inc. | Centennial Resource Development, Inc. | 2021-07-31 | Added / first present |
| Murphy Oil Corp. | Murphy Oil Corp. | 2021-07-31 | Added / first present |
| Core Laboratories N.V. | Core Laboratories N.V. | 2021-07-31 | Added / first present |
| Penn Virginia Corp. | Penn Virginia Corp. | 2021-07-31 | Added / first present |
| Green Plains, Inc. | Green Plains, Inc. | 2021-07-31 | Added / first present |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2021-07-31 | Added / first present |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2021-07-31 | Added / first present |
| Meta Materials, Inc. | Meta Materials, Inc. | 2021-07-31 | Added / first present |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2021-04-30 | Added / first present |
| Southwestern Energy Co. | Southwestern Energy Co. | 2021-04-30 | Added / first present |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2021-04-30 | Added / first present |
| Devon Energy Corp. | Devon Energy Corp. | 2021-04-30 | Added / first present |
| PBF Energy, Inc. | PBF Energy, Inc. | 2021-04-30 | Added / first present |
| Continental Resources, Inc. | Continental Resources, Inc. | 2021-04-30 | Added / first present |
| Talos Energy, Inc. | Talos Energy, Inc. | 2021-04-30 | Added / first present |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2021-04-30 | Added / first present |
| US Silica Holdings, Inc. | US Silica Holdings, Inc. | 2021-04-30 | Added / first present |
| Bonanza Creek Energy, Inc. | Bonanza Creek Energy, Inc. | 2021-04-30 | Added / first present |
| Ovintiv, Inc. | Ovintiv, Inc. | 2021-04-30 | Added / first present |
| Whiting Petroleum Corp. | Whiting Petroleum Corp. | 2021-04-30 | Added / first present |
| Callon Petroleum Co. | Callon Petroleum Co. | 2021-04-30 | Added / first present |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2021-04-30 | Added / first present |
| APA Corp. | APA Corp. | 2021-04-30 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2021-01-31 | Added / first present |
| Antero Resources Corp. | Antero Resources Corp. | 2021-01-31 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2021-01-31 | Added / first present |
| Cactus, Inc. | Cactus, Inc. | 2021-01-31 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2021-01-31 | Added / first present |
| SM Energy Co. | SM Energy Co. | 2021-01-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2021-01-31 | Added / first present |
| Clean Energy Fuels Corp. | Clean Energy Fuels Corp. | 2021-01-31 | Added / first present |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2021-01-31 | Added / first present |
| Schlumberger Ltd. | Schlumberger Ltd. | 2020-10-31 | Added / first present |
| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2020-10-31 | Added / first present |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2020-10-31 | Added / first present |
| Concho Resources, Inc. | Concho Resources, Inc. | 2020-10-31 | Added / first present |
| Baker Hughes Co. | Baker Hughes Co. | 2020-10-31 | Added / first present |
| Devon Energy Corp. | Devon Energy Corp. | 2020-10-31 | Added / first present |
| Parsley Energy, Inc. | Parsley Energy, Inc. | 2020-10-31 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2020-10-31 | Added / first present |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2020-10-31 | Added / first present |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2020-10-31 | Added / first present |
| Arch Resources, Inc. | Arch Resources, Inc. | 2020-10-31 | Added / first present |
| Marathon Petroleum Corp. | Marathon Petroleum Corp. | 2020-07-31 | Added / first present |
| Marathon Oil Corp. | Marathon Oil Corp. | 2020-07-31 | Added / first present |
| WPX Energy, Inc. | WPX Energy, Inc. | 2020-07-31 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2020-07-31 | Added / first present |
| Antero Midstream Corp. | Antero Midstream Corp. | 2020-07-31 | Added / first present |
| Range Resources Corp. | Range Resources Corp. | 2020-07-31 | Added / first present |
| Murphy Oil Corp. | Murphy Oil Corp. | 2020-07-31 | Added / first present |
| Matador Resources Co. | Matador Resources Co. | 2020-07-31 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2020-07-31 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2020-07-31 | Added / first present |
| SM Energy Co. | SM Energy Co. | 2020-07-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2020-07-31 | Added / first present |
| Oil States International, Inc. | Oil States International, Inc. | 2020-07-31 | Added / first present |
| Penn Virginia Corp. | Penn Virginia Corp. | 2020-07-31 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2020-07-31 | Added / first present |
| N/A | N/A | 2020-07-31 | Added / first present |
| ChampionX Corp. | ChampionX Corp. | 2020-07-31 | Added / first present |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2020-04-30 | Added / first present |
| Schlumberger Ltd. | Schlumberger Ltd. | 2020-04-30 | Added / first present |
| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2020-04-30 | Added / first present |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2020-04-30 | Added / first present |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2020-04-30 | Added / first present |
| Concho Resources, Inc. | Concho Resources, Inc. | 2020-04-30 | Added / first present |
| Cabot Oil & Gas Corp. | Cabot Oil & Gas Corp. | 2020-04-30 | Added / first present |
| Noble Energy, Inc. | Noble Energy, Inc. | 2020-04-30 | Added / first present |
| Devon Energy Corp. | Devon Energy Corp. | 2020-04-30 | Added / first present |
| Apache Corp. | Apache Corp. | 2020-04-30 | Added / first present |
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2020-04-30 | Added / first present |
| Cimarex Energy Co. | Cimarex Energy Co. | 2020-04-30 | Added / first present |
| Parsley Energy, Inc. | Parsley Energy, Inc. | 2020-04-30 | Added / first present |
| Continental Resources, Inc. | Continental Resources, Inc. | 2020-04-30 | Added / first present |
| Invesco Private Government Fund | Invesco Private Government Fund | 2020-04-30 | Added / first present |
| PDC Energy, Inc. | PDC Energy, Inc. | 2020-04-30 | Added / first present |
| Core Laboratories N.V. | Core Laboratories N.V. | 2020-04-30 | Added / first present |
| CONSOL Energy, Inc. | CONSOL Energy, Inc. | 2020-04-30 | Added / first present |
| Halliburton Co. | Halliburton Co. | 2020-01-31 | Added / first present |
| Equitrans Midstream Corp. | Equitrans Midstream Corp. | 2020-01-31 | Added / first present |
| Antero Midstream Corp. | Antero Midstream Corp. | 2020-01-31 | Added / first present |
| Berry Petroleum Corp. | Berry Petroleum Corp. | 2020-01-31 | Added / first present |
| Matador Resources Co. | Matador Resources Co. | 2020-01-31 | Added / first present |
| SM Energy Co. | SM Energy Co. | 2020-01-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2020-01-31 | Added / first present |
| Oil States International, Inc. | Oil States International, Inc. | 2020-01-31 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2020-01-31 | Added / first present |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2020-01-31 | Added / first present |
Removals
| Ticker | Issuer | Observed date | Change |
|---|---|---|---|
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2026-04-30 | Removed / first absent |
| Antero Resources Corp. | Antero Resources Corp. | 2026-04-30 | Removed / first absent |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2026-04-30 | Removed / first absent |
| TETRA Technologies, Inc. | TETRA Technologies, Inc. | 2026-04-30 | Removed / first absent |
| APA Corp. | APA Corp. | 2026-04-30 | Removed / first absent |
| Expand Energy Corp. | Expand Energy Corp. | 2026-04-30 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2026-04-30 | Removed / first absent |
| PrimeEnergy Resources Corp. | PrimeEnergy Resources Corp. | 2026-01-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2026-01-31 | Removed / first absent |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2026-01-31 | Removed / first absent |
| Seadrill Ltd. | Seadrill Ltd. | 2026-01-31 | Removed / first absent |
| Hallador Energy Co. | Hallador Energy Co. | 2026-01-31 | Removed / first absent |
| Vital Energy, Inc. | Vital Energy, Inc. | 2025-10-31 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2026-01-31 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2025-07-31 | Removed / first absent |
| Coterra Energy Inc. | Coterra Energy Inc. | 2025-07-31 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2026-04-30 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2026-04-30 | Removed / first absent |
| Innovex International, Inc. | Innovex International, Inc. | 2025-07-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2026-01-31 | Removed / first absent |
| Range Resources Corp. | Range Resources Corp. | 2025-10-31 | Removed / first absent |
| Antero Resources Corp. | Antero Resources Corp. | 2025-10-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2025-04-30 | Removed / first absent |
| NextDecade Corp. | NextDecade Corp. | 2025-07-31 | Removed / first absent |
| Centrus Energy Corp. | Centrus Energy Corp. | 2026-04-30 | Removed / first absent |
| Expand Energy Corp. | Expand Energy Corp. | 2025-10-31 | Removed / first absent |
| Crescent Energy Co. | Crescent Energy Co. | 2025-04-30 | Removed / first absent |
| Calumet, Inc. | Calumet, Inc. | 2025-04-30 | Removed / first absent |
| Core Natural Resources, Inc. | Core Natural Resources, Inc. | 2025-04-30 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2025-01-31 | Removed / first absent |
| Cactus, Inc. | Cactus, Inc. | 2025-04-30 | Removed / first absent |
| Kinetik Holdings Inc. | Kinetik Holdings Inc. | 2026-01-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2025-04-30 | Removed / first absent |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2025-07-31 | Removed / first absent |
| HF Sinclair Corp. | HF Sinclair Corp. | 2025-01-31 | Removed / first absent |
| Antero Resources Corp. | Antero Resources Corp. | 2024-10-31 | Removed / first absent |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2025-10-31 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2024-10-31 | Removed / first absent |
| CONSOL Energy Inc. | CONSOL Energy Inc. | 2025-01-31 | Removed / first absent |
| NextDecade Corp. | NextDecade Corp. | 2024-10-31 | Removed / first absent |
| VAALCO Energy, Inc. | VAALCO Energy, Inc. | 2024-10-31 | Removed / first absent |
| Centrus Energy Corp. | Centrus Energy Corp. | 2024-10-31 | Removed / first absent |
| Arch Resources, Inc. | Arch Resources, Inc. | 2024-10-31 | Removed / first absent |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2024-10-31 | Removed / first absent |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2024-10-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2025-04-30 | Removed / first absent |
| Valero Energy Corp. | Valero Energy Corp. | 2025-01-31 | Removed / first absent |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2026-01-31 | Removed / first absent |
| ConocoPhillips | ConocoPhillips | 2026-04-30 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2024-07-31 | Removed / first absent |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2026-04-30 | Removed / first absent |
| Marathon Oil Corp. | Marathon Oil Corp. | 2024-07-31 | Removed / first absent |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2026-04-30 | Removed / first absent |
| SM Energy Co. | SM Energy Co. | 2025-04-30 | Removed / first absent |
| Transocean Ltd. | Transocean Ltd. | 2025-01-31 | Removed / first absent |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2024-07-31 | Removed / first absent |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2024-07-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2024-07-31 | Removed / first absent |
| HF Sinclair Corp. | HF Sinclair Corp. | 2024-07-31 | Removed / first absent |
| Viper Energy, Inc. | Viper Energy, Inc. | 2025-10-31 | Removed / first absent |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2026-04-30 | Removed / first absent |
| EOG Resources, Inc. | EOG Resources, Inc. | 2026-01-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2024-07-31 | Removed / first absent |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2024-04-30 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2024-04-30 | Removed / first absent |
| Newpark Resources, Inc. | Newpark Resources, Inc. | 2024-04-30 | Removed / first absent |
| Liberty Energy Inc. | Liberty Energy Inc. | 2025-01-31 | Removed / first absent |
| Centrus Energy Corp. | Centrus Energy Corp. | 2024-04-30 | Removed / first absent |
| Arch Resources, Inc. | Arch Resources, Inc. | 2024-04-30 | Removed / first absent |
| Chord Energy Corp. | Chord Energy Corp. | 2025-04-30 | Removed / first absent |
| Ramaco Resources, Inc. | Ramaco Resources, Inc. | 2024-04-30 | Removed / first absent |
| Valero Energy Corp. | Valero Energy Corp. | 2024-01-31 | Removed / first absent |
| Schlumberger N.V. | Schlumberger N.V. | 2024-04-30 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2024-01-31 | Removed / first absent |
| Kinder Morgan, Inc. | Kinder Morgan, Inc. | 2024-01-31 | Removed / first absent |
| Halliburton Co. | Halliburton Co. | 2024-01-31 | Removed / first absent |
| Baker Hughes Co. | Baker Hughes Co. | 2024-01-31 | Removed / first absent |
| Antero Midstream Corp. | Antero Midstream Corp. | 2024-01-31 | Removed / first absent |
| CNX Resources Corp. | CNX Resources Corp. | 2024-01-31 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2024-01-31 | Removed / first absent |
| SilverBow Resources, Inc. | SilverBow Resources, Inc. | 2024-01-31 | Removed / first absent |
| Vital Energy Inc. | Vital Energy Inc. | 2024-01-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2024-07-31 | Removed / first absent |
| APA Corp. | APA Corp. | 2024-01-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2024-04-30 | Removed / first absent |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2023-10-31 | Removed / first absent |
| Equitrans Midstream Corp. | Equitrans Midstream Corp. | 2023-10-31 | Removed / first absent |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2025-04-30 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2024-01-31 | Removed / first absent |
| CONSOL Energy Inc. | CONSOL Energy Inc. | 2024-04-30 | Removed / first absent |
| NextDecade Corp. | NextDecade Corp. | 2023-10-31 | Removed / first absent |
| Aemetis, Inc. | Aemetis, Inc. | 2023-10-31 | Removed / first absent |
| Denbury Inc. | Denbury Inc. | 2023-10-31 | Removed / first absent |
| Gulfport Energy Corp. | Gulfport Energy Corp. | 2023-10-31 | Removed / first absent |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2024-01-31 | Removed / first absent |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2024-07-31 | Removed / first absent |
| Enviva Inc. | Enviva Inc. | 2023-10-31 | Removed / first absent |
| HF Sinclair Corp. | HF Sinclair Corp. | 2023-10-31 | Removed / first absent |
| Valero Energy Corp. | Valero Energy Corp. | 2023-07-31 | Removed / first absent |
| Chevron Corp. | Chevron Corp. | 2023-10-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2023-10-31 | Removed / first absent |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2023-10-31 | Removed / first absent |
| PBF Energy Inc. | PBF Energy Inc. | 2024-10-31 | Removed / first absent |
| Antero Resources Corp. | Antero Resources Corp. | 2023-07-31 | Removed / first absent |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2023-10-31 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2023-10-31 | Removed / first absent |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2025-04-30 | Removed / first absent |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2023-10-31 | Removed / first absent |
| Par Pacific Holdings, Inc. | Par Pacific Holdings, Inc. | 2024-10-31 | Removed / first absent |
| Oil States International, Inc. | Oil States International, Inc. | 2023-07-31 | Removed / first absent |
| Arch Resources, Inc. | Arch Resources, Inc. | 2023-07-31 | Removed / first absent |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2025-04-30 | Removed / first absent |
| Vitesse Energy, Inc. | Vitesse Energy, Inc. | 2024-01-31 | Removed / first absent |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2023-04-30 | Removed / first absent |
| Helix Energy Solutions Group, Inc. | Helix Energy Solutions Group, Inc. | 2025-10-31 | Removed / first absent |
| Transocean Ltd. | Transocean Ltd. | 2024-01-31 | Removed / first absent |
| NexTier Oilfield Solutions Inc. | NexTier Oilfield Solutions Inc. | 2023-04-30 | Removed / first absent |
| Tidewater Inc. | Tidewater Inc. | 2025-01-31 | Removed / first absent |
| Ovintiv Inc. | Ovintiv Inc. | 2023-04-30 | Removed / first absent |
| ChampionX Corp. | ChampionX Corp. | 2024-07-31 | Removed / first absent |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2025-07-31 | Removed / first absent |
| APA Corp. | APA Corp. | 2023-07-31 | Removed / first absent |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2024-01-31 | Removed / first absent |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2023-04-30 | Removed / first absent |
| Sitio Royalties Corp. | Sitio Royalties Corp. | 2023-04-30 | Removed / first absent |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2023-10-31 | Removed / first absent |
| Hess Corp. | Hess Corp. | 2023-10-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2023-01-31 | Removed / first absent |
| Range Resources Corp. | Range Resources Corp. | 2023-01-31 | Removed / first absent |
| Berry Corp. | Berry Corp. | 2023-01-31 | Removed / first absent |
| Murphy Oil Corp. | Murphy Oil Corp. | 2024-10-31 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2023-01-31 | Removed / first absent |
| W&T Offshore, Inc. | W&T Offshore, Inc. | 2023-01-31 | Removed / first absent |
| Centrus Energy Corp. | Centrus Energy Corp. | 2023-01-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2023-01-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2023-10-31 | Removed / first absent |
| Sitio Royalties Corp. | Sitio Royalties Corp. | 2023-01-31 | Removed / first absent |
| Southwestern Energy Co. | Southwestern Energy Co. | 2022-10-31 | Removed / first absent |
| PBF Energy, Inc. | PBF Energy, Inc. | 2022-10-31 | Removed / first absent |
| SandRidge Energy, Inc. | SandRidge Energy, Inc. | 2023-01-31 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2023-01-31 | Removed / first absent |
| Ranger Oil Corp. | Ranger Oil Corp. | 2022-10-31 | Removed / first absent |
| Tidewater, Inc. | Tidewater, Inc. | 2022-10-31 | Removed / first absent |
| VAALCO Energy, Inc. | VAALCO Energy, Inc. | 2022-10-31 | Removed / first absent |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2023-01-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2022-10-31 | Removed / first absent |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2022-10-31 | Removed / first absent |
| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2023-04-30 | Removed / first absent |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2023-01-31 | Removed / first absent |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2023-01-31 | Removed / first absent |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2023-10-31 | Removed / first absent |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2022-10-31 | Removed / first absent |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2022-07-31 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2022-07-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2022-07-31 | Removed / first absent |
| US Silica Holdings, Inc. | US Silica Holdings, Inc. | 2022-07-31 | Removed / first absent |
| Earthstone Energy, Inc. | Earthstone Energy, Inc. | 2022-10-31 | Removed / first absent |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2022-10-31 | Removed / first absent |
| Vertex Energy, Inc. | Vertex Energy, Inc. | 2022-07-31 | Removed / first absent |
| Noble Corp. | Noble Corp. | 2022-07-31 | Removed / first absent |
| Chevron Corp. | Chevron Corp. | 2022-07-31 | Removed / first absent |
| Williams Cos., Inc. (The) | Williams Cos., Inc. (The) | 2022-04-30 | Removed / first absent |
| Halliburton Co. | Halliburton Co. | 2022-10-31 | Removed / first absent |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2022-07-31 | Removed / first absent |
| Ranger Oil Corp. | Ranger Oil Corp. | 2022-04-30 | Removed / first absent |
| ChampionX Corp. | ChampionX Corp. | 2022-04-30 | Removed / first absent |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2022-10-31 | Removed / first absent |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2024-01-31 | Removed / first absent |
| APA Corp. | APA Corp. | 2022-10-31 | Removed / first absent |
| DT Midstream, Inc. | DT Midstream, Inc. | 2022-04-30 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2022-07-31 | Removed / first absent |
| Civitas Resources, Inc. | Civitas Resources, Inc. | 2022-04-30 | Removed / first absent |
| Valero Energy Corp. | Valero Energy Corp. | 2022-01-31 | Removed / first absent |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2022-01-31 | Removed / first absent |
| ConocoPhillips Co. | ConocoPhillips Co. | 2024-01-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2022-07-31 | Removed / first absent |
| Baker Hughes Co. | Baker Hughes Co. | 2022-01-31 | Removed / first absent |
| Antero Midstream Corp. | Antero Midstream Corp. | 2022-04-30 | Removed / first absent |
| SandRidge Energy, Inc. | SandRidge Energy, Inc. | 2022-01-31 | Removed / first absent |
| CONSOL Energy, Inc. | CONSOL Energy, Inc. | 2023-04-30 | Removed / first absent |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2022-04-30 | Removed / first absent |
| Aemetis, Inc. | Aemetis, Inc. | 2022-01-31 | Removed / first absent |
| Arch Resources, Inc. | Arch Resources, Inc. | 2022-10-31 | Removed / first absent |
| Denbury, Inc. | Denbury, Inc. | 2022-07-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2022-04-30 | Removed / first absent |
| Oasis Petroleum, Inc. | Oasis Petroleum, Inc. | 2023-10-31 | Removed / first absent |
| Chesapeake Energy Corp. | Chesapeake Energy Corp. | 2022-01-31 | Removed / first absent |
| Alpha Metallurgical Resources, Inc. | Alpha Metallurgical Resources, Inc. | 2022-04-30 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2024-10-31 | Removed / first absent |
| Noble Corp. | Noble Corp. | 2022-01-31 | Removed / first absent |
| EOG Resources, Inc. | EOG Resources, Inc. | 2023-10-31 | Removed / first absent |
| Range Resources Corp. | Range Resources Corp. | 2022-07-31 | Removed / first absent |
| Centennial Resource Development, Inc. | Centennial Resource Development, Inc. | 2022-01-31 | Removed / first absent |
| Murphy Oil Corp. | Murphy Oil Corp. | 2022-07-31 | Removed / first absent |
| Core Laboratories N.V. | Core Laboratories N.V. | 2021-10-31 | Removed / first absent |
| Penn Virginia Corp. | Penn Virginia Corp. | 2021-10-31 | Removed / first absent |
| Green Plains, Inc. | Green Plains, Inc. | 2022-04-30 | Removed / first absent |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2022-04-30 | Removed / first absent |
| Northern Oil and Gas, Inc. | Northern Oil and Gas, Inc. | 2021-10-31 | Removed / first absent |
| Meta Materials, Inc. | Meta Materials, Inc. | 2022-01-31 | Removed / first absent |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2021-07-31 | Removed / first absent |
| Southwestern Energy Co. | Southwestern Energy Co. | 2022-01-31 | Removed / first absent |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2022-07-31 | Removed / first absent |
| Devon Energy Corp. | Devon Energy Corp. | 2023-10-31 | Removed / first absent |
| PBF Energy, Inc. | PBF Energy, Inc. | 2021-10-31 | Removed / first absent |
| Continental Resources, Inc. | Continental Resources, Inc. | 2022-04-30 | Removed / first absent |
| Talos Energy, Inc. | Talos Energy, Inc. | 2021-10-31 | Removed / first absent |
| Magnolia Oil & Gas Corp. | Magnolia Oil & Gas Corp. | 2022-07-31 | Removed / first absent |
| US Silica Holdings, Inc. | US Silica Holdings, Inc. | 2021-07-31 | Removed / first absent |
| Bonanza Creek Energy, Inc. | Bonanza Creek Energy, Inc. | 2022-01-31 | Removed / first absent |
| Ovintiv, Inc. | Ovintiv, Inc. | 2022-07-31 | Removed / first absent |
| Whiting Petroleum Corp. | Whiting Petroleum Corp. | 2022-04-30 | Removed / first absent |
| Callon Petroleum Co. | Callon Petroleum Co. | 2022-01-31 | Removed / first absent |
| Texas Pacific Land Corp. | Texas Pacific Land Corp. | 2021-07-31 | Removed / first absent |
| APA Corp. | APA Corp. | 2021-07-31 | Removed / first absent |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2021-10-31 | Removed / first absent |
| Antero Resources Corp. | Antero Resources Corp. | 2023-01-31 | Removed / first absent |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2021-10-31 | Removed / first absent |
| Cactus, Inc. | Cactus, Inc. | 2022-04-30 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2021-04-30 | Removed / first absent |
| SM Energy Co. | SM Energy Co. | 2023-01-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2021-07-31 | Removed / first absent |
| Clean Energy Fuels Corp. | Clean Energy Fuels Corp. | 2021-07-31 | Removed / first absent |
| Laredo Petroleum, Inc. | Laredo Petroleum, Inc. | 2021-04-30 | Removed / first absent |
| Schlumberger Ltd. | Schlumberger Ltd. | 2021-01-31 | Removed / first absent |
| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2021-01-31 | Removed / first absent |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2023-04-30 | Removed / first absent |
| Concho Resources, Inc. | Concho Resources, Inc. | 2021-01-31 | Removed / first absent |
| Baker Hughes Co. | Baker Hughes Co. | 2021-04-30 | Removed / first absent |
| Devon Energy Corp. | Devon Energy Corp. | 2021-01-31 | Removed / first absent |
| Parsley Energy, Inc. | Parsley Energy, Inc. | 2021-01-31 | Removed / first absent |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2021-01-31 | Removed / first absent |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2021-01-31 | Removed / first absent |
| Arch Resources, Inc. | Arch Resources, Inc. | 2021-04-30 | Removed / first absent |
| Marathon Oil Corp. | Marathon Oil Corp. | 2023-10-31 | Removed / first absent |
| WPX Energy, Inc. | WPX Energy, Inc. | 2021-01-31 | Removed / first absent |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2020-10-31 | Removed / first absent |
| Antero Midstream Corp. | Antero Midstream Corp. | 2021-01-31 | Removed / first absent |
| Range Resources Corp. | Range Resources Corp. | 2021-01-31 | Removed / first absent |
| Murphy Oil Corp. | Murphy Oil Corp. | 2021-01-31 | Removed / first absent |
| Matador Resources Co. | Matador Resources Co. | 2023-07-31 | Removed / first absent |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2020-10-31 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2020-10-31 | Removed / first absent |
| SM Energy Co. | SM Energy Co. | 2020-10-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2020-10-31 | Removed / first absent |
| Oil States International, Inc. | Oil States International, Inc. | 2020-10-31 | Removed / first absent |
| Penn Virginia Corp. | Penn Virginia Corp. | 2021-01-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2021-10-31 | Removed / first absent |
| N/A | N/A | 2020-10-31 | Removed / first absent |
| ChampionX Corp. | ChampionX Corp. | 2021-10-31 | Removed / first absent |
| Occidental Petroleum Corp. | Occidental Petroleum Corp. | 2021-01-31 | Removed / first absent |
| Schlumberger Ltd. | Schlumberger Ltd. | 2020-07-31 | Removed / first absent |
| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2020-07-31 | Removed / first absent |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2021-01-31 | Removed / first absent |
| Pioneer Natural Resources Co. | Pioneer Natural Resources Co. | 2020-07-31 | Removed / first absent |
| Concho Resources, Inc. | Concho Resources, Inc. | 2020-07-31 | Removed / first absent |
| Cabot Oil & Gas Corp. | Cabot Oil & Gas Corp. | 2021-01-31 | Removed / first absent |
| Noble Energy, Inc. | Noble Energy, Inc. | 2020-10-31 | Removed / first absent |
| Devon Energy Corp. | Devon Energy Corp. | 2020-07-31 | Removed / first absent |
| Apache Corp. | Apache Corp. | 2021-04-30 | Removed / first absent |
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2020-07-31 | Removed / first absent |
| Cimarex Energy Co. | Cimarex Energy Co. | 2021-07-31 | Removed / first absent |
| Parsley Energy, Inc. | Parsley Energy, Inc. | 2020-07-31 | Removed / first absent |
| Continental Resources, Inc. | Continental Resources, Inc. | 2020-10-31 | Removed / first absent |
| PDC Energy, Inc. | PDC Energy, Inc. | 2022-10-31 | Removed / first absent |
| Core Laboratories N.V. | Core Laboratories N.V. | 2021-04-30 | Removed / first absent |
| CONSOL Energy, Inc. | CONSOL Energy, Inc. | 2020-07-31 | Removed / first absent |
| Halliburton Co. | Halliburton Co. | 2021-07-31 | Removed / first absent |
| Equitrans Midstream Corp. | Equitrans Midstream Corp. | 2021-01-31 | Removed / first absent |
| Antero Midstream Corp. | Antero Midstream Corp. | 2020-04-30 | Removed / first absent |
| Berry Petroleum Corp. | Berry Petroleum Corp. | 2020-04-30 | Removed / first absent |
| Matador Resources Co. | Matador Resources Co. | 2020-04-30 | Removed / first absent |
| SM Energy Co. | SM Energy Co. | 2020-04-30 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2020-04-30 | Removed / first absent |
| Oil States International, Inc. | Oil States International, Inc. | 2020-04-30 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2020-04-30 | Removed / first absent |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2020-04-30 | Removed / first absent |
| Valero Energy Corp. | Valero Energy Corp. | 2021-01-31 | Removed / first absent |
| HollyFrontier Corp. | HollyFrontier Corp. | 2020-10-31 | Removed / first absent |
| Exxon Mobil Corp. | Exxon Mobil Corp. | 2020-01-31 | Removed / first absent |
| Chevron Corp. | Chevron Corp. | 2021-04-30 | Removed / first absent |
| ConocoPhillips | ConocoPhillips | 2021-07-31 | Removed / first absent |
| Phillips 66 | Phillips 66 | 2021-01-31 | Removed / first absent |
| Kinder Morgan, Inc. | Kinder Morgan, Inc. | 2021-01-31 | Removed / first absent |
| Marathon Petroleum Corp. | Marathon Petroleum Corp. | 2020-04-30 | Removed / first absent |
| EOG Resources, Inc. | EOG Resources, Inc. | 2020-07-31 | Removed / first absent |
| Williams Cos., Inc. (The) | Williams Cos., Inc. (The) | 2021-04-30 | Removed / first absent |
| Hess Corp. | Hess Corp. | 2022-07-31 | Removed / first absent |
| Cheniere Energy, Inc. | Cheniere Energy, Inc. | 2021-07-31 | Removed / first absent |
| Diamondback Energy, Inc. | Diamondback Energy, Inc. | 2021-01-31 | Removed / first absent |
| Targa Resources Corp. | Targa Resources Corp. | 2022-07-31 | Removed / first absent |
| Marathon Oil Corp. | Marathon Oil Corp. | 2020-04-30 | Removed / first absent |
| Cimarex Energy Co. | Cimarex Energy Co. | 2020-01-31 | Removed / first absent |
| Parsley Energy, Inc. | Parsley Energy, Inc. | 2020-01-31 | Removed / first absent |
| WPX Energy, Inc. | WPX Energy, Inc. | 2020-04-30 | Removed / first absent |
| PBF Energy, Inc. | PBF Energy, Inc. | 2020-04-30 | Removed / first absent |
| Range Resources Corp. | Range Resources Corp. | 2020-04-30 | Removed / first absent |
| Kosmos Energy Ltd. | Kosmos Energy Ltd. | 2020-04-30 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2020-04-30 | Removed / first absent |
| Invesco Liquid Assets Portfolio | Invesco Liquid Assets Portfolio | 2020-04-30 | Removed / first absent |
| Talos Energy, Inc. | Talos Energy, Inc. | 2020-04-30 | Removed / first absent |
| Murphy Oil Corp. | Murphy Oil Corp. | 2020-04-30 | Removed / first absent |
| Delek US Holdings, Inc. | Delek US Holdings, Inc. | 2020-07-31 | Removed / first absent |
| Warrior Met Coal, Inc. | Warrior Met Coal, Inc. | 2020-07-31 | Removed / first absent |
| CNX Resources Corp. | CNX Resources Corp. | 2021-04-30 | Removed / first absent |
| Dril-Quip, Inc. | Dril-Quip, Inc. | 2020-07-31 | Removed / first absent |
| CVR Energy, Inc. | CVR Energy, Inc. | 2020-07-31 | Removed / first absent |
| Cactus, Inc. | Cactus, Inc. | 2020-10-31 | Removed / first absent |
| Arch Coal, Inc. | Arch Coal, Inc. | 2020-07-31 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2020-04-30 | Removed / first absent |
| Helix Energy Solutions Group, Inc. | Helix Energy Solutions Group, Inc. | 2020-04-30 | Removed / first absent |
| Whiting Petroleum Corp. | Whiting Petroleum Corp. | 2020-04-30 | Removed / first absent |
| Invesco Premier U.S. Government Money Portfolio | Invesco Premier U.S. Government Money Portfolio | 2020-10-31 | Removed / first absent |
| Par Pacific Holdings, Inc. | Par Pacific Holdings, Inc. | 2020-04-30 | Removed / first absent |
| Renewable Energy Group, Inc. | Renewable Energy Group, Inc. | 2021-04-30 | Removed / first absent |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2020-01-31 | Removed / first absent |
| Transocean Ltd. | Transocean Ltd. | 2020-04-30 | Removed / first absent |
| Tellurian, Inc. | Tellurian, Inc. | 2020-01-31 | Removed / first absent |
| California Resources Corp. | California Resources Corp. | 2020-04-30 | Removed / first absent |
| Comstock Resources, Inc. | Comstock Resources, Inc. | 2020-01-31 | Removed / first absent |