| Company | Symbol | % Assets |
|---|
| Rex Energy Corporation | REXX | 1.69 |
| Halcon Resources Corporation Co | HK | 1.62 |
| Energen Corporation Common Stoc | EGN | 1.61 |
| Ultra Petroleum Corp. Common St | UPL | 1.60 |
| Cobalt International Energy, In | CIE | 1.60 |
| Gulfport Energy Corporation | GPOR | 1.58 |
| Cimarex Energy Co Common Stock | XEC | 1.57 |
| Phillips 66 Common Stock | PSX | 1.56 |
| Concho Resources Inc. Common St | CXO | 1.54 |
| Anadarko Petroleum Corporation | APC | 1.54 |