| Symbol | Name | Allocation | Country | Exchange |
|---|---|---|---|---|
| VAL | Valaris Limited | 2.84% | US | NYSE |
| HLX | Helix Energy Solutions Group, Inc. | 2.82% | US | NYSE |
| CHK | Chesapeake Energy Corporation | 2.79% | US | NASDAQ |
| DO | Diamond Offshore Drilling, Inc. | 2.72% | US | NYSE |
| PTEN | Patterson-UTI Energy, Inc. | 2.71% | US | NASDAQ |
| CEIX | CONSOL Energy Inc. | 2.53% | US | NYSE |
| NEX | NexTier Oilfield Solutions Inc. | 2.52% | US | NYSE |