| Amount | Holding |
|---|---|
| 9.58% | Pioneer Natural Resources Co |
| 7.78% | Cabot Oil & Gas Corp Class A |
| 7.75% | Concho Resources Inc |
| 7.36% | Enterprise Products Partners LP |
| 7.13% | EOG Resources Inc |
| 5.98% | Energy Transfer LP |
| 5.46% | ConocoPhillips |
| 5.14% | Marathon Petroleum Corp |
| 4.18% | MPLX LP Partnership Units |
| 4.08% | Valero Energy Corp |