| 1 | Williams Cos Inc/The | WMB | Transportation and Warehousing | 969457100 | 15.424% |
| 2 | Energy Transfer LP | ET | Transportation and Warehousing | 29273V100 | 13.697% |
| 3 | Enterprise Products Partners L | EPD | Administrative and Support and Waste Management and Remediation Services | 293792107 | 13.451% |
| 4 | MPLX LP | MPLX | Transportation and Warehousing | 55336V100 | 13.237% |
| 5 | Cheniere Energy Inc | LNG | Utilities | 16411R208 | 11.445% |
| 6 | Kinder Morgan Inc | KMI | Transportation and Warehousing | 49456B101 | 9.238% |
| 7 | ONEOK Inc | OKE | Transportation and Warehousing | 682680103 | 7.994% |
| 8 | TC Energy Corp | TRP | Transportation and Warehousing | 87807B107 | 7.192% |
| 9 | Targa Resources Corp | TRGP | Transportation and Warehousing | 87612G101 | 6.539% |
| 10 | Western Midstream Partners LP | WES | Transportation and Warehousing | 958669103 | 5.170% |
| 11 | Pembina Pipeline Corp | PPL | Utilities | 706327103 | 4.792% |
| 12 | Enbridge Inc | ENB | Utilities | 29250N105 | 4.403% |
| 13 | Plains All American Pipeline L | PAA | Transportation and Warehousing | 726503105 | 3.367% |
| 14 | Hess Midstream LP | HESM | Transportation and Warehousing | 428103105 | 2.749% |
| 15 | DT Midstream Inc | DTM | Transportation and Warehousing | 23345M107 | 2.592% |
| 16 | N/A | N/A | Information | N/A | 1.866% |
| 17 | Antero Midstream Corp. | AM | Transportation and Warehousing | 03676B102 | 1.756% |
| 18 | Air Products and Chemicals Inc | APD | Manufacturing | 009158106 | 1.650% |
| 19 | Linde PLC | LIN | Basic Materials | G54950103 | 1.611% |
| 20 | Sempra | SRE | Utilities | 816851109 | 1.592% |
| 21 | Quanta Services Inc | PWR | Construction | 74762E102 | 1.565% |
| 22 | Entergy Corp | ETR | Utilities | 29364G103 | 1.425% |
| 23 | First American Treasury Obliga | FXFXX | Unknown | 31846V328 | 0.521% |
| 24 | Archrock, Inc. | AROC | Transportation and Warehousing | 03957W106 | 0.501% |
| 25 | Excelerate Energy Inc | EE | Unknown | 30069T101 | 0.476% |