| ALPS ADVISORS INC | 36,629,600 | $1.6bn | 7.5% |
| Invesco Ltd. | 24,122,314 | $1.1bn | 0.1% |
| MORGAN STANLEY | 21,230,903 | $929.1m | 0.0% |
| Blackstone Inc. | 10,367,520 | $453.7m | 1.4% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8,637,568 | $378.0m | 0.5% |
| GOLDMAN SACHS GROUP INC | 8,527,559 | $373.2m | 0.0% |
| TORTOISE CAPITAL ADVISORS, L.L.C. | 6,506,154 | $284.7m | 2.9% |
| NEUBERGER BERMAN GROUP LLC | 6,190,369 | $270.9m | 0.2% |
| CHICKASAW CAPITAL MANAGEMENT LLC | 5,507,654 | $241.0m | 8.7% |
| KAYNE ANDERSON CAPITAL ADVISORS LP | 3,928,197 | $171.9m | 3.4% |
| UBS Group AG | 3,567,482 | $156.1m | 0.0% |
| Clearbridge Investments, LLC | 2,711,343 | $118.6m | 0.1% |
| WESTWOOD HOLDINGS GROUP INC | 2,183,188 | $95.5m | 0.7% |
| BNP PARIBAS FINANCIAL MARKETS | 1,992,817 | $87.2m | 0.0% |
| MILLER HOWARD INVESTMENTS INC /NY | 1,648,942 | $72.2m | 1.9% |
| ING GROEP NV | 1,587,500 | $69.5m | 0.3% |
| Fractal Investments LLC | 1,524,646 | $66.7m | 7.7% |
| BANK OF AMERICA CORP /DE/ | 1,366,602 | $59.8m | 0.0% |
| BARCLAYS PLC | 1,336,050 | $58.5m | 0.0% |
| BERKLEY W R CORP | 1,266,970 | $55.4m | 2.5% |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 1,259,900 | $55.1m | 2.5% |
| INFRASTRUCTURE CAPITAL ADVISORS, LLC | 1,217,182 | $53.3m | 3.1% |
| Recurrent Investment Advisors LLC | 1,133,291 | $49.6m | 3.1% |
| EAGLE GLOBAL ADVISORS LLC | 1,041,420 | $45.6m | 1.5% |
| STIFEL FINANCIAL CORP | 975,975 | $42.7m | 0.0% |