| Yorktown Energy Partners XI, L.P. | US$6503.1万 | 45.95% |
| BlackRock, Inc. | US$3706.3万 | 0.00% |
| Bluescape Energy Partners LLC | US$3608.6万 | 11.20% |
| AMERICAN CENTURY COMPANIES INC | US$2286.2万 | 0.01% |
| DIMENSIONAL FUND ADVISORS LP | US$2247.4万 | 0.00% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | US$2219.2万 | 0.01% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$2110.3万 | 0.00% |
| Driehaus Capital Management LLC | US$1617.4万 | 0.12% |
| TWO SIGMA INVESTMENTS, LP | US$1537.5万 | 0.01% |
| Yorktown Energy Partners X, L.P. | US$1424.7万 | 20.50% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | US$1213.1万 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$1117.4万 | 0.00% |
| MARSHALL WACE, LLP | US$1117.4万 | 0.01% |
| ROYCE & ASSOCIATES LP | US$953.7万 | 0.09% |
| KENNEDY CAPITAL MANAGEMENT LLC | US$927.2万 | 0.20% |
| STATE STREET CORP | US$910.9万 | 0.00% |
| MACKENZIE FINANCIAL CORP | US$882.0万 | 0.01% |
| Bank of New York Mellon Corp | US$859.4万 | 0.00% |
| CITADEL ADVISORS LLC | US$837.6万 | 0.00% |
| BANK OF AMERICA CORP /DE/ | US$714.5万 | 0.00% |
| FIRST TRUST ADVISORS LP | US$705.4万 | 0.01% |
| First Eagle Investment Management, LLC | US$671.2万 | 0.01% |
| NORTHERN TRUST CORP | US$575.5万 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$518.0万 | 0.01% |
| LOS ANGELES CAPITAL MANAGEMENT LLC | US$492.1万 | 0.02% |
| RAYMOND JAMES FINANCIAL INC | US$483.3万 | 0.00% |
| GOLDMAN SACHS GROUP INC | US$476.5万 | 0.00% |
| FMR LLC | US$473.5万 | 0.00% |
| UMB Bank, n.a. | US$472.3万 | 0.07% |
| D. E. Shaw & Co., Inc. | US$431.0万 | 0.00% |
| MORGAN STANLEY | US$424.4万 | 0.00% |
| Jackson Hole Capital Partners, LLC | US$410.5万 | 0.68% |
| Point72 Asset Management, L.P. | US$386.5万 | 0.00% |
| Kennondale Capital Management LLC | US$342.8万 | 2.47% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | US$337.9万 | 0.00% |
| AQR CAPITAL MANAGEMENT LLC | US$331.3万 | 0.00% |
| McAlvany Wealth Management LLC | US$309.8万 | 2.09% |
| Pacer Advisors, Inc. | US$291.7万 | 0.01% |
| LAZARD ASSET MANAGEMENT LLC | US$288.3万 | 0.00% |
| PRUDENTIAL FINANCIAL INC | US$284.1万 | 0.00% |
| SEGALL BRYANT & HAMILL, LLC | US$269.0万 | 0.04% |
| VANGUARD FIDUCIARY TRUST CO | US$258.6万 | 0.00% |
| CastleKnight Management LP | US$254.1万 | 0.04% |
| OSAIC HOLDINGS, INC. | US$251.9万 | 0.00% |
| VICTORY CAPITAL MANAGEMENT INC | US$251.8万 | 0.00% |
| HRT FINANCIAL LP | US$242.9万 | 0.01% |
| MILLENNIUM MANAGEMENT LLC | US$239.5万 | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$234.6万 | 0.00% |
| AMERIPRISE FINANCIAL INC | US$226.7万 | 0.00% |
| LSV ASSET MANAGEMENT | US$215.4万 | 0.00% |
| Empowered Funds, LLC | US$196.6万 | 0.01% |
| Quadrature Capital Ltd | US$186.0万 | 0.02% |
| FRANKLIN RESOURCES INC | US$166.9万 | 0.00% |
| SEI INVESTMENTS CO | US$151.2万 | 0.00% |
| Jump Financial, LLC | US$147.7万 | 0.02% |
| MARTINGALE ASSET MANAGEMENT L P | US$135.0万 | 0.03% |
| Russell Investments Group, Ltd. | US$132.5万 | 0.00% |
| North Star Investment Management Corp. | US$130.5万 | 0.08% |
| Invesco Ltd. | US$124.9万 | 0.00% |
| Point Nemo Capital, LLC | US$123.3万 | 0.81% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | US$113.6万 | 0.02% |
| Quantinno Capital Management LP | US$113.3万 | 0.00% |
| UBS Group AG | US$113.0万 | 0.00% |
| Engineers Gate Manager LP | US$105.7万 | 0.01% |
| Nuveen, LLC | US$105.0万 | 0.00% |
| Qube Research & Technologies Ltd | US$103.9万 | 0.00% |
| SummerHaven Investment Management, LLC | US$101.7万 | 0.62% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | US$99.0万 | 0.00% |
| Quantbot Technologies LP | US$97.1万 | 0.04% |
| Creative Planning | US$95.3万 | 0.00% |
| State of Tennessee, Department of Treasury | US$91.7万 | 0.00% |
| PRINCIPAL FINANCIAL GROUP INC | US$90.0万 | 0.00% |
| WINTON GROUP Ltd | US$89.5万 | 0.03% |
| Brevan Howard Capital Management LP | US$81.1万 | 0.01% |
| Swiss National Bank | US$79.1万 | 0.00% |
| Balyasny Asset Management L.P. | US$79.0万 | 0.00% |
| Cannell & Spears LLC | US$77.3万 | 0.02% |
| Ethic Inc. | US$76.0万 | 0.01% |
| Vanguard Global Advisers, LLC | US$73.8万 | 0.00% |
| Ellevest, Inc. | US$70.7万 | 0.10% |
| JANE STREET GROUP, LLC | US$67.7万 | 0.00% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | US$66.5万 | 0.00% |
| XTX Topco Ltd | US$66.0万 | 0.01% |
| RHUMBLINE ADVISERS | US$63.8万 | 0.00% |
| Y-Intercept (Hong Kong) Ltd | US$62.9万 | 0.01% |
| RBF Capital, LLC | US$54.7万 | 0.03% |
| Susquehanna Portfolio Strategies, LLC | US$53.5万 | 0.01% |
| Koss-Olinger Consulting, LLC | US$53.4万 | 0.04% |
| Dynamic Technology Lab Private Ltd | US$52.8万 | 0.09% |
| DENALI ADVISORS LLC | US$51.2万 | 0.06% |
| Aquatic Capital Management LLC | US$50.9万 | 0.01% |
| Schonfeld Strategic Advisors LLC | US$50.8万 | 0.00% |
| VOYA INVESTMENT MANAGEMENT LLC | US$50.1万 | 0.00% |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | US$45.3万 | 0.00% |
| JPMORGAN CHASE & CO | US$44.8万 | 0.00% |
| OXFORD ASSET MANAGEMENT LLP | US$44.6万 | 0.19% |
| DEUTSCHE BANK AG\ | US$41.5万 | 0.00% |
| Savant Capital, LLC | US$40.6万 | 0.00% |
| GABELLI FUNDS LLC | US$40.1万 | 0.00% |
| MQS Management LLC | US$39.9万 | 0.27% |
| RENAISSANCE GROUP LLC | US$39.8万 | 0.02% |
| LPL Financial LLC | US$38.8万 | 0.00% |
| PRICE T ROWE ASSOCIATES INC /MD/ | US$37.9万 | 0.00% |
| Integrated Wealth Concepts LLC | US$36.0万 | 0.00% |
| EntryPoint Capital, LLC | US$30.8万 | 0.09% |
| MetLife Investment Management, LLC | US$30.7万 | 0.00% |
| ALLIANCEBERNSTEIN L.P. | US$30.1万 | 0.00% |
| BAILARD, INC. | US$27.7万 | 0.01% |
| State of Wyoming | US$26.9万 | 0.03% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | US$25.7万 | 0.00% |
| GSA CAPITAL PARTNERS LLP | US$25.4万 | 0.02% |
| Freestone Grove Partners LP | US$25.3万 | 0.00% |
| VANGUARD ASSET MANAGEMENT, Ltd | US$25.1万 | 0.00% |
| BOOTHBAY FUND MANAGEMENT, LLC | US$24.4万 | 0.00% |
| MONTGOMERY INVESTMENT MANAGEMENT INC | US$23.1万 | 0.08% |
| EP Wealth Advisors, LLC | US$22.8万 | 0.00% |
| INTECH INVESTMENT MANAGEMENT LLC | US$22.2万 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$21.4万 | 0.00% |
| Legal & General Group Plc | US$21.0万 | 0.00% |
| CITIGROUP INC | US$20.0万 | 0.00% |
| NEW YORK STATE COMMON RETIREMENT FUND | US$15.8万 | 0.00% |
| Zurcher Kantonalbank (Zurich Cantonalbank) | US$15.4万 | 0.00% |
| Police & Firemen's Retirement System of New Jersey | US$15.4万 | 0.00% |
| BARCLAYS PLC | US$14.2万 | 0.00% |
| State of Alaska, Department of Revenue | US$13.0万 | 0.00% |
| Vanguard Investments Australia, Ltd. | US$11.0万 | 0.00% |
| KLP KAPITALFORVALTNING AS | US$8.7万 | 0.00% |
| Copeland Capital Management, LLC | US$8.5万 | 0.00% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | US$6.9万 | 0.00% |
| SBI Securities Co., Ltd. | US$6.3万 | 0.00% |
| Versant Capital Management, Inc | US$4.9万 | 0.00% |
| DekaBank Deutsche Girozentrale | US$4.8万 | 0.00% |
| Tower Research Capital LLC (TRC) | US$4.8万 | 0.00% |
| Ameritas Investment Partners, Inc. | US$4.3万 | 0.00% |
| BNP PARIBAS FINANCIAL MARKETS | US$3.3万 | 0.00% |
| CWM, LLC | US$2.8万 | 0.00% |
| HARBOUR INVESTMENTS, INC. | US$2.7万 | 0.00% |
| ROYAL BANK OF CANADA | US$2.6万 | 0.00% |
| MEEDER ASSET MANAGEMENT INC | US$2.4万 | 0.00% |
| QUADRANT CAPITAL GROUP LLC | US$1.9万 | 0.00% |
| JONES FINANCIAL COMPANIES LLLP | US$1.8万 | 0.00% |
| WHITTIER TRUST CO OF NEVADA INC | US$1.8万 | 0.00% |
| Sterling Capital Management LLC | US$1.5万 | 0.00% |
| GAMMA Investing LLC | US$1.4万 | 0.00% |
| HARBOR CAPITAL ADVISORS, INC. | US$1.4万 | 0.00% |
| NISA INVESTMENT ADVISORS, LLC | US$1.2万 | 0.00% |
| MAI Capital Management | US$1.2万 | 0.00% |
| Arax Advisory Partners | US$1.0万 | 0.00% |
| GROUP ONE TRADING LLC | US$8566.0 | 0.00% |
| Advisory Services Network, LLC | US$7509.0 | 0.00% |