| TORTOISE CAPITAL ADVISORS, L.L.C. | 11,704,169 | $224,018 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 9,537,077 | $182,540 |
| Energy Income Partners, LLC | 8,854,011 | $169,466 |
| Clearbridge Investments, LLC | 6,902,032 | $132,105 |
| GOLDMAN SACHS GROUP INC | 4,821,628 | $92,286 |
| Invesco Ltd. | 4,370,156 | $83,645 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 4,287,774 | $82,068 |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 3,725,000 | $71,297 |
| MORGAN STANLEY | 3,603,062 | $68,963 |
| Artemis Investment Management LLP | 3,529,173 | $67,548 |
| UBS Group AG | 3,407,809 | $65,225 |
| VANGUARD GROUP INC | 2,991,734 | $57,262 |
| TWO SIGMA ADVISERS, LP | 2,889,241 | $55,300 |
| Advisors Capital Management, LLC | 2,829,953 | $54,165 |
| HSBC HOLDINGS PLC | 2,764,847 | $52,919 |
| WESTWOOD HOLDINGS GROUP INC | 2,711,118 | $51,891 |
| Recurrent Investment Advisors LLC | 2,432,797 | $46,587 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,242,026 | $42,912 |
| BROOKFIELD Corp /ON/ | 2,198,374 | $42,077 |
| Pathstone Holdings, LLC | 2,056,531 | $39,217 |
| Blackstone Inc. | 2,022,101 | $38,703 |
| BANK OF AMERICA CORP /DE/ | 2,014,356 | $38,555 |
| Qube Research & Technologies Ltd | 1,902,271 | $36,409 |
| TWO SIGMA INVESTMENTS, LP | 1,834,951 | $35,121 |
| BlackRock, Inc. | 1,605,235 | $30,724 |
| McGowan Group Asset Management, Inc. | 1,340,808 | $25,663 |
| Simplify Asset Management Inc. | 1,272,360 | $24,353 |
| Propel Bio Management, LLC | 1,272,360 | $24,353 |
| ALPS ADVISORS INC | 1,223,144 | $23,411 |
| BARCLAYS PLC | 1,220,543 | $23,361 |
| JENNISON ASSOCIATES LLC | 1,141,702 | $21,852 |
| MILLER HOWARD INVESTMENTS INC /NY | 1,130,121 | $21,631 |
| EAGLE GLOBAL ADVISORS LLC | 1,124,930 | $21,531 |
| WELLS FARGO & COMPANY/MN | 1,049,245 | $20,083 |
| BNP PARIBAS ARBITRAGE, SA | 1,047,327 | $20,046 |
| LPL Financial LLC | 1,001,051 | $19,160 |
| RR Advisors, LLC | 986,129 | $18,875 |
| MACKENZIE FINANCIAL CORP | 874,671 | $16,630 |
| STIFEL FINANCIAL CORP | 849,200 | $16,254 |
| EVERGREEN CAPITAL MANAGEMENT LLC | 835,817 | $15,998 |
| THOMPSON SIEGEL & WALMSLEY LLC | 826,783 | $16 |
| Goodman Financial Corp | 808,679 | $15,478 |
| Turtle Creek Wealth Advisors, LLC | 800,338 | $15,318 |
| NEUBERGER BERMAN GROUP LLC | 785,000 | $15,023 |
| HRT FINANCIAL LP | 714,196 | $14 |
| Catalyst Capital Advisors LLC | 693,523 | $13,274 |
| VICTORY CAPITAL MANAGEMENT INC | 689,566 | $13,198 |
| CITADEL ADVISORS LLC | 652,969 | $12,498 |
| STATE STREET CORP | 630,207 | $12,062 |
| Callodine Capital Management, LP | 540,000 | $10,336 |
| RAYMOND JAMES FINANCIAL INC | 523,259 | $10,015 |
| Engineers Gate Manager LP | 519,600 | $9,945 |
| ROYAL BANK OF CANADA | 454,365 | $8,697 |
| Cambria Investment Management, L.P. | 451,130 | $8,635 |
| ENVESTNET ASSET MANAGEMENT INC | 396,429 | $7,588 |
| Swiss National Bank | 389,934 | $7,463 |
| UBS ASSET MANAGEMENT AMERICAS INC | 387,884 | $7,424 |
| MILLENNIUM MANAGEMENT LLC | 385,177 | $7,372 |
| Linscomb & Williams, Inc. | 369,729 | $7,077 |
| Oxbow Advisors, LLC | 358,030 | $6,853 |
| STATE OF WISCONSIN INVESTMENT BOARD | 333,574 | $6,385 |
| Susquehanna Portfolio Strategies, LLC | 323,357 | $6,189 |
| Verition Fund Management LLC | 318,472 | $6,096 |
| MERITAGE PORTFOLIO MANAGEMENT | 314,420 | $6,018 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 282,975 | $5,416 |
| Gilman Hill Asset Management, LLC | 266,871 | $5,108 |
| Corient Private Wealth LLC | 247,162 | $4,731 |
| Moors & Cabot, Inc. | 244,404 | $4,678 |
| Cetera Investment Advisers | 243,184 | $4,655 |
| Waverly Advisors, LLC | 241,203 | $4,617 |
| STEPHENS INC /AR/ | 235,409 | $4,506 |
| Connor, Clark & Lunn Investment Management Ltd. | 230,691 | $4,415 |
| JRM Investment Counsel, LLC | 229,000 | $4,383 |
| Americana Partners, LLC | 228,717 | $4,378 |
| HF Advisory Group, LLC | 225,551 | $4,317 |
| AMERICAN CENTURY COMPANIES INC | 216,335 | $4,141 |
| JPMORGAN CHASE & CO | 209,726 | $4,014 |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 205,830 | $3,940 |
| ASSETMARK, INC | 200,019 | $3,828 |
| AMERIPRISE FINANCIAL INC | 198,777 | $3,806 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 189,439 | $3,626 |
| Legal & General Group Plc | 187,978 | $3,598 |
| Maryland State Retirement & Pension System | 185,561 | $3,552 |
| Heronetta Management, L.P. | 183,325 | $3,509 |
| Schonfeld Strategic Advisors LLC | 182,496 | $3,493 |
| Chicago Partners Investment Group LLC | 179,712 | $3,654 |
| KAYNE ANDERSON CAPITAL ADVISORS LP | 175,372 | $3,357 |
| FIRST TRUST ADVISORS LP | 175,196 | $3,353 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 174,964 | $3,349 |
| CENTRAL VALLEY ADVISORS, LLC | 174,304 | $3,336 |
| EXCHANGE TRADED CONCEPTS, LLC | 169,689 | $3,248 |
| Janney Montgomery Scott LLC | 168,900 | $3 |
| HighTower Advisors, LLC | 167,968 | $3,215 |
| GEODE CAPITAL MANAGEMENT, LLC | 159,492 | $3,053 |
| CWA Asset Management Group, LLC | 156,306 | $2,992 |
| ProVise Management Group, LLC | 141,282 | $2,704 |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | 139,344 | $2,667 |
| State of New Jersey Common Pension Fund D | 120,832 | $2,313 |
| Cambridge Investment Research Advisors, Inc. | 107,786 | $2 |
| NewEdge Advisors, LLC | 106,620 | $2,041 |
| 206 other institutions | 5,281,033 | $95,349 |