| 1 | MPLX LP | MPLX | Transportation and Warehousing | 55336V100 | 12.924% |
| 2 | Energy Transfer LP | ET | Transportation and Warehousing | 29273V100 | 12.761% |
| 3 | Western Midstream Partners LP | WES | Transportation and Warehousing | 958669103 | 12.549% |
| 4 | Sunoco LP | SUN | Transportation and Warehousing | 86765K109 | 12.474% |
| 5 | Enterprise Products Partners L | EPD | Administrative and Support and Waste Management and Remediation Services | 293792107 | 12.399% |
| 6 | Plains All American Pipeline L | PAA | Transportation and Warehousing | 726503105 | 11.401% |
| 7 | Hess Midstream LP | HESM | Transportation and Warehousing | 428103105 | 9.609% |
| 8 | Cheniere Energy Partners LP | CQP | Utilities | 16411Q101 | 5.171% |
| 9 | USA Compression Partners LP | USAC | Transportation and Warehousing | 90290N109 | 4.031% |
| 10 | Genesis Energy LP | GEL | Transportation and Warehousing | 371927104 | 3.768% |
| 11 | Global Partners LP/MA | GLP | Transportation and Warehousing | 37946R109 | 2.935% |
| 12 | SUBURBAN PROPANE PARTNERS, L.P. | SPH | Utilities | 864482104 | 2.666% |
| 13 | Delek Logistics Partners LP | DKL | Transportation and Warehousing | 24664T103 | 1.793% |
| 14 | State Street Institutional Treasury Plus Money Market Fund | TPIXX | Unknown | 857492862 | 0.008% |