PXJ 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 |
|---|---|---|---|
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2026-04-30 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2026-04-30 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2026-04-30 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2026-04-30 | Added / first present |
| Borr Drilling Ltd. | Borr Drilling Ltd. | 2026-04-30 | Added / first present |
| Excelerate Energy, Inc. | Excelerate Energy, Inc. | 2026-04-30 | Added / first present |
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2026-01-31 | Added / first present |
| Archrock, Inc. | Archrock, Inc. | 2026-01-31 | Added / first present |
| National Energy Services Reunited Corp. | National Energy Services Reunited Corp. | 2026-01-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2026-01-31 | Added / first present |
| Okeanis Eco Tankers Corp. | Okeanis Eco Tankers Corp. | 2026-01-31 | Added / first present |
| Bristow Group Inc. | Bristow Group Inc. | 2025-10-31 | Added / first present |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2025-10-31 | Added / first present |
| Noble Corp. PLC | Noble Corp. PLC | 2025-10-31 | Added / first present |
| Kodiak Gas Services, Inc. | Kodiak Gas Services, Inc. | 2025-10-31 | Added / first present |
| Flowco Holdings Inc. | Flowco Holdings Inc. | 2025-10-31 | Added / first present |
| Transocean Ltd. | Transocean Ltd. | 2025-07-31 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2025-07-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2025-07-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2025-07-31 | Added / first present |
| Aris Water Solutions, Inc. | Aris Water Solutions, Inc. | 2025-07-31 | Added / first present |
| Excelerate Energy, Inc. | Excelerate Energy, Inc. | 2025-07-31 | Added / first present |
| Frontline PLC | Frontline PLC | 2025-07-31 | Added / first present |
| Okeanis Eco Tankers Corp. | Okeanis Eco Tankers Corp. | 2025-07-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2025-04-30 | Added / first present |
| Innovex International, Inc. | Innovex International, Inc. | 2025-04-30 | Added / first present |
| Golar LNG Ltd. | Golar LNG Ltd. | 2025-01-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2025-01-31 | Added / first present |
| Noble Corp. PLC | Noble Corp. PLC | 2025-01-31 | Added / first present |
| Seadrill Ltd. | Seadrill Ltd. | 2025-01-31 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2024-10-31 | Added / first present |
| Bristow Group Inc. | Bristow Group Inc. | 2024-10-31 | Added / first present |
| Core Laboratories Inc. | Core Laboratories Inc. | 2024-10-31 | Added / first present |
| Teekay Tankers Ltd. | Teekay Tankers Ltd. | 2024-10-31 | Added / first present |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2024-07-31 | Added / first present |
| Tidewater Inc. | Tidewater Inc. | 2024-07-31 | Added / first present |
| NOV Inc. | NOV Inc. | 2024-07-31 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2024-07-31 | Added / first present |
| Kodiak Gas Services, Inc. | Kodiak Gas Services, Inc. | 2024-07-31 | Added / first present |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2024-04-30 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2024-04-30 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2024-04-30 | Added / first present |
| Okeanis Eco Tankers Corp. | Okeanis Eco Tankers Corp. | 2024-04-30 | Added / first present |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2024-01-31 | Added / first present |
| Cactus, Inc. | Cactus, Inc. | 2024-01-31 | Added / first present |
| Nordic American Tankers Ltd. | Nordic American Tankers Ltd. | 2024-01-31 | Added / first present |
| Bristow Group Inc. | Bristow Group Inc. | 2024-01-31 | Added / first present |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2023-10-31 | Added / first present |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2023-10-31 | Added / first present |
| Core Laboratories Inc. | Core Laboratories Inc. | 2023-10-31 | Added / first present |
| Atlas Energy Solutions Inc. | Atlas Energy Solutions Inc. | 2023-10-31 | Added / first present |
| Tidewater Inc. | Tidewater Inc. | 2023-07-31 | Added / first present |
| Dorian LPG Ltd. | Dorian LPG Ltd. | 2023-07-31 | Added / first present |
| Golar LNG Ltd. | Golar LNG Ltd. | 2023-07-31 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2023-07-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2023-07-31 | Added / first present |
| Dril-Quip, Inc. | Dril-Quip, Inc. | 2023-04-30 | Added / first present |
| Core Laboratories N.V. | Core Laboratories N.V. | 2023-04-30 | Added / first present |
| Navigator Holdings Ltd. | Navigator Holdings Ltd. | 2023-04-30 | Added / first present |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2023-04-30 | Added / first present |
| Helix Energy Solutions Group, Inc. | Helix Energy Solutions Group, Inc. | 2023-01-31 | Added / first present |
| Tidewater Inc. | Tidewater Inc. | 2023-01-31 | Added / first present |
| Teekay Tankers Ltd. | Teekay Tankers Ltd. | 2023-01-31 | Added / first present |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2023-01-31 | Added / first present |
| Frontline PLC | Frontline PLC | 2023-01-31 | Added / first present |
| DHT Holdings, Inc. | DHT Holdings, Inc. | 2022-10-31 | Added / first present |
| International Seaways, Inc. | International Seaways, Inc. | 2022-10-31 | Added / first present |
| Noble Corp. PLC | Noble Corp. PLC | 2022-10-31 | Added / first present |
| Scorpio Tankers, Inc. | Scorpio Tankers, Inc. | 2022-07-31 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2022-07-31 | Added / first present |
| Valaris Ltd. | Valaris Ltd. | 2022-07-31 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 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 |
| Core Laboratories N.V. | Core Laboratories N.V. | 2022-04-30 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2022-04-30 | Added / first present |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2022-04-30 | Added / first present |
| Golar LNG Ltd. | Golar LNG Ltd. | 2022-04-30 | Added / first present |
| Frontline Ltd. | Frontline Ltd. | 2022-04-30 | Added / first present |
| Weatherford International PLC | Weatherford International PLC | 2022-01-31 | Added / first present |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2022-01-31 | Added / first present |
| Noble Corp. | Noble Corp. | 2022-01-31 | Added / first present |
| Energy Select Sector SPDR Fund | Energy Select Sector SPDR Fund | 2021-10-31 | Added / first present |
| VanEck Oil Services ETF | VanEck Oil Services ETF | 2021-10-31 | Added / first present |
| Vanguard Energy ETF | Vanguard Energy ETF | 2021-10-31 | Added / first present |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2021-07-31 | Added / first present |
| Scorpio Tankers, Inc. | Scorpio Tankers, Inc. | 2021-07-31 | Added / first present |
| RPC, Inc. | RPC, Inc. | 2021-04-30 | Added / first present |
| Liberty Oilfield Services, Inc. | Liberty Oilfield Services, Inc. | 2021-01-31 | Added / first present |
| NOV, Inc. | NOV, Inc. | 2021-01-31 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2020-10-31 | Added / first present |
| Nordic American Tankers Ltd. | Nordic American Tankers Ltd. | 2020-07-31 | Added / first present |
| International Seaways, Inc. | International Seaways, Inc. | 2020-07-31 | Added / first present |
| Teekay Tankers Ltd. | Teekay Tankers Ltd. | 2020-07-31 | Added / first present |
| ChampionX Corp. | ChampionX Corp. | 2020-07-31 | Added / first present |
| Invesco Private Government Fund | Invesco Private Government Fund | 2020-04-30 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2020-04-30 | Added / first present |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2020-01-31 | Added / first present |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2020-01-31 | Added / first present |
| Dorian LPG Ltd. | Dorian LPG Ltd. | 2020-01-31 | Added / first present |
| International Seaways, Inc. | International Seaways, 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 |
| Weatherford International PLC | Weatherford International PLC | 2026-04-30 | Removed / first absent |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2026-04-30 | Removed / first absent |
| Kodiak Gas Services, Inc. | Kodiak Gas Services, Inc. | 2026-01-31 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2026-04-30 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2026-01-31 | Removed / first absent |
| Aris Water Solutions, Inc. | Aris Water Solutions, Inc. | 2025-10-31 | Removed / first absent |
| Excelerate Energy, Inc. | Excelerate Energy, Inc. | 2025-10-31 | Removed / first absent |
| Okeanis Eco Tankers Corp. | Okeanis Eco Tankers Corp. | 2025-10-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2025-07-31 | Removed / first absent |
| Golar LNG Ltd. | Golar LNG Ltd. | 2025-07-31 | Removed / first absent |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2025-04-30 | Removed / first absent |
| Noble Corp. PLC | Noble Corp. PLC | 2025-07-31 | Removed / first absent |
| Seadrill Ltd. | Seadrill Ltd. | 2025-07-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2025-01-31 | Removed / first absent |
| Bristow Group Inc. | Bristow Group Inc. | 2025-07-31 | Removed / first absent |
| Core Laboratories Inc. | Core Laboratories Inc. | 2025-01-31 | Removed / first absent |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2025-10-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2025-04-30 | Removed / first absent |
| Kodiak Gas Services, Inc. | Kodiak Gas Services, Inc. | 2025-07-31 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2024-07-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2024-07-31 | Removed / first absent |
| Okeanis Eco Tankers Corp. | Okeanis Eco Tankers Corp. | 2025-01-31 | Removed / first absent |
| Select Water Solutions, Inc. | Select Water Solutions, Inc. | 2024-04-30 | Removed / first absent |
| Nordic American Tankers Ltd. | Nordic American Tankers Ltd. | 2024-10-31 | Removed / first absent |
| Bristow Group Inc. | Bristow Group Inc. | 2024-04-30 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2025-01-31 | Removed / first absent |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2025-07-31 | Removed / first absent |
| Core Laboratories Inc. | Core Laboratories Inc. | 2024-01-31 | Removed / first absent |
| Atlas Energy Solutions Inc. | Atlas Energy Solutions Inc. | 2024-01-31 | Removed / first absent |
| Tidewater Inc. | Tidewater Inc. | 2024-01-31 | Removed / first absent |
| Golar LNG Ltd. | Golar LNG Ltd. | 2024-10-31 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2023-10-31 | Removed / first absent |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2024-07-31 | Removed / first absent |
| Dril-Quip, Inc. | Dril-Quip, Inc. | 2023-07-31 | Removed / first absent |
| Core Laboratories N.V. | Core Laboratories N.V. | 2023-07-31 | Removed / first absent |
| ProFrac Holding Corp. | ProFrac Holding Corp. | 2023-07-31 | Removed / first absent |
| Tidewater Inc. | Tidewater Inc. | 2023-04-30 | Removed / first absent |
| Teekay Tankers Ltd. | Teekay Tankers Ltd. | 2024-10-31 | Removed / first absent |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2023-07-31 | Removed / first absent |
| Frontline PLC | Frontline PLC | 2024-10-31 | Removed / first absent |
| DHT Holdings, Inc. | DHT Holdings, Inc. | 2026-04-30 | Removed / first absent |
| Noble Corp. PLC | Noble Corp. PLC | 2023-01-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2024-04-30 | Removed / first absent |
| Valaris Ltd. | Valaris Ltd. | 2023-04-30 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2025-07-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2023-07-31 | Removed / first absent |
| Core Laboratories N.V. | Core Laboratories N.V. | 2022-10-31 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2026-01-31 | Removed / first absent |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2023-10-31 | Removed / first absent |
| Golar LNG Ltd. | Golar LNG Ltd. | 2023-04-30 | Removed / first absent |
| Frontline Ltd. | Frontline Ltd. | 2023-01-31 | Removed / first absent |
| Weatherford International PLC | Weatherford International PLC | 2024-04-30 | Removed / first absent |
| Expro Group Holdings N.V. | Expro Group Holdings N.V. | 2023-04-30 | Removed / first absent |
| Noble Corp. | Noble Corp. | 2022-10-31 | Removed / first absent |
| Energy Select Sector SPDR Fund | Energy Select Sector SPDR Fund | 2022-01-31 | Removed / first absent |
| VanEck Oil Services ETF | VanEck Oil Services ETF | 2022-04-30 | Removed / first absent |
| Vanguard Energy ETF | Vanguard Energy ETF | 2022-04-30 | Removed / first absent |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2021-10-31 | Removed / first absent |
| Scorpio Tankers, Inc. | Scorpio Tankers, Inc. | 2021-10-31 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2021-07-31 | Removed / first absent |
| Liberty Oilfield Services, Inc. | Liberty Oilfield Services, Inc. | 2026-01-31 | Removed / first absent |
| NOV, Inc. | NOV, Inc. | 2023-10-31 | Removed / first absent |
| Nordic American Tankers Ltd. | Nordic American Tankers Ltd. | 2020-10-31 | Removed / first absent |
| International Seaways, Inc. | International Seaways, Inc. | 2020-10-31 | Removed / first absent |
| Teekay Tankers Ltd. | Teekay Tankers Ltd. | 2020-10-31 | Removed / first absent |
| ChampionX Corp. | ChampionX Corp. | 2024-07-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2020-07-31 | Removed / first absent |
| Nabors Industries Ltd. | Nabors Industries Ltd. | 2020-04-30 | Removed / first absent |
| NexTier Oilfield Solutions, Inc. | NexTier Oilfield Solutions, Inc. | 2020-10-31 | Removed / first absent |
| Dorian LPG Ltd. | Dorian LPG Ltd. | 2020-04-30 | Removed / first absent |
| International Seaways, Inc. | International Seaways, Inc. | 2020-04-30 | Removed / first absent |
| Schlumberger Ltd. | Schlumberger Ltd. | 2026-01-31 | Removed / first absent |
| National Oilwell Varco, Inc. | National Oilwell Varco, Inc. | 2021-01-31 | Removed / first absent |
| Helmerich & Payne, Inc. | Helmerich & Payne, Inc. | 2025-10-31 | Removed / first absent |
| Patterson-UTI Energy, Inc. | Patterson-UTI Energy, Inc. | 2024-01-31 | 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 |
| Apergy Corp. | Apergy Corp. | 2020-07-31 | Removed / first absent |
| Dril-Quip, Inc. | Dril-Quip, Inc. | 2021-07-31 | Removed / first absent |
| Oceaneering International, Inc. | Oceaneering International, Inc. | 2020-10-31 | Removed / first absent |
| Cactus, Inc. | Cactus, Inc. | 2023-10-31 | Removed / first absent |
| Archrock, Inc. | Archrock, Inc. | 2021-10-31 | Removed / first absent |
| Helix Energy Solutions Group, Inc. | Helix Energy Solutions Group, Inc. | 2020-07-31 | Removed / first absent |
| ProPetro Holding Corp. | ProPetro Holding Corp. | 2020-07-31 | Removed / first absent |
| McDermott International, Inc. | McDermott International, Inc. | 2020-01-31 | Removed / first absent |
| Core Laboratories N.V. | Core Laboratories N.V. | 2021-10-31 | Removed / first absent |
| Liberty Oilfield Services, Inc. | Liberty Oilfield Services, Inc. | 2020-01-31 | Removed / first absent |
| Invesco Premier U.S. Government Money Portfolio | Invesco Premier U.S. Government Money Portfolio | 2020-10-31 | Removed / first absent |
| USA Compression Partners L.P. | USA Compression Partners L.P. | 2026-04-30 | Removed / first absent |
| Oil States International, Inc. | Oil States International, Inc. | 2020-04-30 | Removed / first absent |
| Diamond Offshore Drilling, Inc. | Diamond Offshore Drilling, Inc. | 2020-04-30 | Removed / first absent |
| RPC, Inc. | RPC, Inc. | 2021-01-31 | Removed / first absent |
| Transocean Ltd. | Transocean Ltd. | 2024-07-31 | Removed / first absent |
| Valaris PLC | Valaris PLC | 2020-04-30 | Removed / first absent |
| Frank's International N.V. | Frank's International N.V. | 2020-07-31 | Removed / first absent |
| Rattler Midstream L.P. | Rattler Midstream L.P. | 2020-01-31 | Removed / first absent |
| Scorpio Tankers, Inc. | Scorpio Tankers, Inc. | 2021-01-31 | Removed / first absent |
| DHT Holdings, Inc. | DHT Holdings, Inc. | 2021-04-30 | Removed / first absent |
| Frontline Ltd. | Frontline Ltd. | 2022-01-31 | Removed / first absent |
| Golar LNG Partners L.P. | Golar LNG Partners L.P. | 2020-01-31 | Removed / first absent |
| National Energy Services Reunited Corp. | National Energy Services Reunited Corp. | 2020-07-31 | Removed / first absent |