| Amount | Holding |
|---|---|
| 19.68% | Schlumberger Limited |
| 17.86% | Baker Hughes Company |
| 6.89% | ChampionX Holding Inc |
| 5.83% | Halliburton Company |
| 4.20% | Transocean Ltd |
| 3.69% | Helmerich & Payne, Inc |
| 3.61% | National Oilwell Varco, Inc |
| 3.52% | Core Laboratories N.V |
| 3.44% | Cactus, Inc |
| 3.34% | TechnipFMC plc |