| Amount | Holding |
|---|---|
| 9.34% | TC Energy Corporation |
| 6.18% | Enterprise Products Partners L.P |
| 5.43% | NextEra Energy Partners, LP |
| 5.14% | TC PipeLines, LP |
| 5.01% | Kinder Morgan, Inc |
| 4.61% | ONEOK, Inc |
| 4.31% | NextEra Energy, Inc |
| 4.05% | Magellan Midstream Partners, L.P |
| 3.77% | Public Service Enterprise Group Incorporated |
| 3.30% | Plains GP Holdings, L.P |