| Invesco Ltd. | 31,132,970 | $2.81 億 | 0.08% | – | – |
| Vanguard Group Inc | 30,275,252 | $2.73 億 | 0.01% | – | – |
| BlackRock Inc. | 28,270,058 | $2.55 億 | 0.01% | – | – |
| Bank of New York Mellon Corp | 13,609,214 | $1.23 億 | 0.03% | – | – |
| Tinicum Inc | 8,711,448 | $7,866 萬 | 33.90% | – | – |
| State Street Corp | 7,224,928 | $6,524 萬 | 0.00% | – | – |
| Blackstone Group Inc. | 5,958,392 | $5,380 萬 | 0.13% | – | – |
| Mirae Asset Global Investments Co., Ltd. | 5,886,092 | $5,315 萬 | 0.18% | – | – |
| RR Advisors, LLC | 5,528,000 | $4,992 萬 | 12.33% | – | – |
| Wells Fargo & Company | 5,020,694 | $4,534 萬 | 0.01% | – | – |
| Clearbridge Investments, LLC | 5,012,523 | $4,526 萬 | 0.03% | – | – |
| Dimensional Fund Advisors LP | 4,147,561 | $3,745 萬 | 0.01% | – | – |
| Morgan Stanley | 3,692,574 | $3,335 萬 | 0.00% | – | – |
| Brave Warrior Advisors, LLC | 3,481,162 | $3,144 萬 | 1.03% | – | – |
| Goldman Sachs Group Inc | 3,459,226 | $3,124 萬 | 0.01% | – | – |
| Geode Capital Management, LLC | 3,352,210 | $3,027 萬 | 0.00% | – | – |
| Chickasaw Capital Management LLC | 3,328,866 | $3,006 萬 | 1.61% | – | – |
| Norges Bank | 3,327,718 | $3,005 萬 | 0.01% | – | – |
| DDD Partners, LLC | 3,323,353 | $3,001 萬 | 5.12% | – | – |
| Yorktown Energy Partners VIII, L.P. | 3,169,985 | $2,863 萬 | 23.02% | – | – |
| Parametric Portfolio Associates LLC | 2,744,356 | $2,478 萬 | 0.01% | – | – |
| Northern Trust Corp | 2,675,903 | $2,416 萬 | 0.00% | – | – |
| Arrowstreet Capital, Limited Partnership | 2,498,442 | $2,256 萬 | 0.03% | – | – |
| Brandywine Global Investment Management, LLC | 2,287,543 | $2,066 萬 | 0.16% | – | – |
| Shah Capital Management | 2,121,070 | $1,915 萬 | 5.28% | – | – |
| Tortoise Capital Advisors, L.L.C. | 2,075,361 | $1,874 萬 | 0.31% | – | – |
| Yorktown Energy Partners VII, L.P. | 2,009,634 | $1,815 萬 | 96.41% | – | – |
| Charles Schwab Investment Management Inc | 1,974,332 | $1,783 萬 | 0.01% | – | – |
| Advisors Asset Management, Inc. | 1,818,895 | $1,642 萬 | 0.26% | – | – |
| Advisors Capital Management, LLC | 1,733,782 | $1,566 萬 | 0.55% | – | – |
| Nuveen Asset Management, LLC | 1,687,976 | $1,524 萬 | 0.00% | – | – |
| JPMorgan Chase & Co | 1,634,713 | $1,476 萬 | 0.00% | – | – |
| Salient Capital Advisors, LLC | 1,520,508 | $1,373 萬 | 0.66% | – | – |
| Neuberger Berman Group LLC | 1,513,398 | $1,366 萬 | 0.01% | – | – |
| First Trust Advisors LP | 1,507,642 | $1,361 萬 | 0.02% | – | – |
| Mountain Lake Investment Management LLC | 1,310,100 | $1,183 萬 | 6.97% | – | – |
| Brightline Capital Management, LLC | 1,300,000 | $1,174 萬 | 7.92% | – | – |
| Great Lakes Advisors, LLC | 1,276,484 | $1,153 萬 | 0.19% | – | – |
| Voya Investment Management LLC | 1,276,331 | $1,153 萬 | 0.02% | – | – |
| Commerce Bank | 959,325 | $866.3 萬 | 0.07% | – | – |
| APG Asset Management N.V. | 1,043,000 | $801.4 萬 | 0.01% | – | – |
| Pennant Investors, LP | 778,292 | $702.8 萬 | 2.18% | – | – |
| Rhumbline Advisers | 765,964 | $691.7 萬 | 0.01% | – | – |
| Petrus Trust Company, LTA | 700,467 | $632.5 萬 | 0.61% | – | – |
| Susquehanna Fundamental Investments, LLC | 698,539 | $630.8 萬 | 0.11% | – | – |
| Deutsche Bank AG | 663,978 | $599.7 萬 | 0.00% | – | – |
| Swiss National Bank | 653,500 | $590.1 萬 | 0.00% | – | – |
| Bank of America Corp | 620,035 | $559.9 萬 | 0.00% | – | – |
| Evergreen Capital Management LLC | 619,784 | $559.7 萬 | 0.29% | – | – |
| Vident Investment Advisory, LLC | 561,243 | $506.8 萬 | 0.17% | – | – |
| Tortoise Index Solutions, LLC | 561,243 | $506.8 萬 | 1.22% | – | – |
| Eagle Global Advisors LLC | 552,110 | $498.6 萬 | 0.37% | – | – |
| California Public Employees Retirement System | 537,770 | $485.6 萬 | 0.00% | – | – |
| Ensign Peak Advisors, Inc | 520,675 | $470.1 萬 | 0.01% | – | – |
| American International Group, Inc. | 518,569 | $468.3 萬 | 0.02% | – | – |
| UBS Asset Management Americas Inc | 516,497 | $466.4 萬 | 0.00% | – | – |
| Two Sigma Investments, LP | 512,445 | $462.7 萬 | 0.01% | – | – |
| NBW Capital LLC | 506,655 | $457.5 萬 | 1.26% | – | – |
| Cushing Asset Management, LP | 506,384 | $457.3 萬 | 0.51% | – | – |
| California State Teachers Retirement System | 498,139 | $449.8 萬 | 0.01% | – | – |
| Ameriprise Financial Inc | 488,391 | $441.0 萬 | 0.00% | – | – |
| Annandale Capital, LLC | 483,024 | $436.2 萬 | 3.09% | – | – |
| Alliancebernstein L.P. | 478,900 | $432.4 萬 | 0.00% | – | – |
| Isthmus Partners, LLC | 449,116 | $405.6 萬 | 0.74% | – | – |
| Brigade Capital Management, LP | 441,000 | $398.7 萬 | 0.54% | – | – |
| Renaissance Technologies LLC | 435,113 | $392.9 萬 | 0.00% | – | – |
| Alaska Permanent Fund Corp | 420,500 | $379.7 萬 | 0.07% | – | – |
| Legal & General Group Plc | 419,927 | $379.2 萬 | 0.00% | – | – |
| Citadel Advisors LLC | 417,064 | $376.6 萬 | 0.00% | – | – |
| Jennison Associates LLC | 413,426 | $373.3 萬 | 0.00% | – | – |
| Oppenheimer & Co Inc | 395,220 | $356.9 萬 | 0.07% | – | – |
| Envestnet Asset Management Inc | 385,689 | $348.3 萬 | 0.00% | – | – |
| Credit Suisse AG | 378,994 | $342.3 萬 | 0.00% | – | – |
| Millennium Management LLC | 374,142 | $337.9 萬 | 0.00% | – | – |
| New York State Teachers Retirement System | 374,085 | $337.8 萬 | 0.01% | – | – |
| Retirement Systems of Alabama | 373,484 | $337.3 萬 | 0.01% | – | – |
| Raymond James Financial Services Advisors, Inc. | 357,299 | $322.6 萬 | 0.01% | – | – |
| Alps Advisors Inc | 335,908 | $303.3 萬 | 0.03% | – | – |
| Manufacturers Life Insurance Company, The | 325,858 | $294.2 萬 | 0.00% | – | – |
| Citigroup Inc | 314,221 | $283.7 萬 | 0.00% | – | – |
| New York State Common Retirement Fund | 313,000 | $282.6 萬 | 0.00% | – | – |
| Great West Life Assurance Co | 311,096 | $279.9 萬 | 0.01% | – | – |
| Mercer Global Advisors Inc | 297,386 | $268.5 萬 | 0.02% | – | – |
| State Board of Administration of Florida Retirement System | 294,433 | $265.9 萬 | 0.01% | – | – |
| Allianz Asset Management GmbH | 293,000 | $264.6 萬 | 0.00% | – | – |
| Thrivent Financial for Lutherans | 284,190 | $256.6 萬 | 0.01% | – | – |
| Guggenheim Capital LLC | 283,275 | $255.8 萬 | 0.02% | – | – |
| Pinnacle Holdings, LLC | 282,792 | $255.4 萬 | 1.18% | – | – |
| State of New Jersey Common Pension Fund D | 279,433 | $252.3 萬 | 0.01% | – | – |
| Progeny 3, Inc. | 275,369 | $248.7 萬 | 0.98% | – | – |
| Graticule Asia Macro Advisors LLC | 273,475 | $246.9 萬 | 0.42% | – | – |
| Eaton Vance Management | 270,635 | $244.4 萬 | 0.00% | – | – |
| Cohen & Steers, Inc. | 267,514 | $241.6 萬 | 0.01% | – | – |
| Janus Henderson Group PLC | 265,874 | $240.1 萬 | 0.00% | – | – |
| Mutual of America Capital Management LLC | 260,610 | $235.3 萬 | 0.02% | – | – |
| Schroder Investment Management Group | 239,485 | $216.3 萬 | 0.00% | – | – |
| Panagora Asset Management Inc | 238,952 | $215.8 萬 | 0.01% | – | – |
| NewEdge Wealth, LLC | 238,898 | $215.7 萬 | 0.21% | – | – |
| UBS Group AG | 227,594 | $205.5 萬 | 0.00% | – | – |
| Zazove Associates LLC | 225,000 | $203.2 萬 | 0.24% | – | – |
