| Amount | Holding |
|---|---|
| 11.68% | MPLX LP |
| 10.37% | Magellan Midstream Partners, L.P |
| 10.21% | Enterprise Products Partners L.P |
| 9.19% | Energy Transfer LP |
| 8.86% | Plains All American Pipeline, L.P |
| 8.46% | Phillips 66 Partners LP |
| 5.00% | TC PipeLines, LP |
| 4.94% | Western Midstream Partners, LP |
| 4.49% | NuStar Energy L.P |
| 4.38% | Shell Midstream Partners, L.P |