| Amount | Holding |
|---|---|
| 7.67% | Valero Energy Corporation |
| 7.49% | Chevron Corporation |
| 6.74% | Exxon Mobil Corporation |
| 6.64% | ConocoPhillips |
| 5.57% | Marathon Petroleum Corporation |
| 4.42% | Baker Hughes Company |
| 4.34% | EOG Resources, Inc |
| 4.19% | ONEOK, Inc |
| 4.08% | The Williams Companies, Inc |
| 3.94% | Schlumberger Limited |