| First Reserve GP XIII Ltd | 11,275,546 | $298,576,458 | 100.00% |
|---|
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 511,977 | $13,557,151 | 3.11% |
|---|
| ALPS ADVISORS INC | 13,409,515 | $355,083,957 | 3.08% |
|---|
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 1,058,711 | $28,034,667 | 2.71% |
|---|
| INFRASTRUCTURE CAPITAL ADVISORS, LLC | 929,763 | $24,620,124 | 2.35% |
|---|
| NBW CAPITAL LLC | 318,188 | $8,425,618 | 1.97% |
|---|
| CHICKASAW CAPITAL MANAGEMENT LLC | 947,024 | $25,077 | 1.39% |
|---|
| SL ADVISORS, LLC | 21,346 | $565,242 | 1.27% |
|---|
| GraniteShares Advisors LLC | 51,748 | $1,370,287 | 1.24% |
|---|
| TORTOISE CAPITAL ADVISORS, L.L.C. | 2,502,959 | $66,278,354 | 1.01% |
|---|
| Penbrook Management LLC | 34,700 | $918,856 | 0.67% |
|---|
| Fractal Investments LLC | 109,922 | $2,910,735 | 0.65% |
|---|
| EAGLE GLOBAL ADVISORS LLC | 335,040 | $8,871,859 | 0.58% |
|---|
| Empirical Asset Management, LLC | 19,121 | $506,329 | 0.45% |
|---|
| Tortoise Index Solutions, LLC | 73,320 | $1,941,514 | 0.40% |
|---|
| MILLER HOWARD INVESTMENTS INC /NY | 400,384 | $10,602,170 | 0.38% |
|---|
| SENTINEL TRUST CO LBA | 100,000 | $2,648 | 0.36% |
|---|
| Bramshill Investments, LLC | 140,396 | $3,717,686 | 0.34% |
|---|
| GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ | 7,839 | $208 | 0.32% |
|---|
| MONETA GROUP INVESTMENT ADVISORS LLC | 534,238 | $14,146,622 | 0.31% |
|---|