| Amount | Holding |
|---|---|
| 7.67% | Energy Transfer LP |
| 6.80% | Enterprise Products Partners LP |
| 6.11% | Magellan Midstream Partners LP |
| 6.09% | MPLX LP Partnership Units |
| 4.50% | BP Midstream Partners LP |
| 4.42% | Williams Companies Inc |
| 4.16% | Enable Midstream Partners LP |
| 4.13% | Targa Resources Corp |
| 4.13% | TC Pipelines LP |
| 3.74% | Kinder Morgan Inc Class P |