CUSIP 56155L108
MAMMOTH ENERGY SVCS INC
97 institutions · $70.9M total · 35,489,394 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | WEXFORD CAPITAL LP | 22,096,068 | $40.9M | 62.26% | 2025-12-31 |
| 2 | Kanen Wealth Management LLC | 1,767,074 | $8.5M | 4.97% | 2025-03-31 |
| 3 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 4,575,000 | $8.5M | 12.89% | 2025-12-31 |
| 4 | VANGUARD GROUP INC | 843,261 | $1.6M | 2.37% | 2025-12-31 |
| 5 | BlackRock, Inc. | 783,664 | $1.4M | 2.20% | 2025-12-31 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 668,222 | $1.2M | 1.88% | 2025-12-31 |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 504,145 | $932.8K | 1.42% | 2025-12-31 |
| 8 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 409,991 | $758.5K | 1.15% | 2025-12-31 |
| 9 | STATE STREET CORP | 408,484 | $755.7K | 1.15% | 2025-12-31 |
| 10 | Russell Investments Group, Ltd. | 247,491 | $457.9K | 0.69% | 2025-12-31 |
| 11 | Rangeley Capital, LLC | 205,880 | $420.0K | 0.58% | 2025-03-31 |
| 12 | Empowered Funds, LLC | 218,991 | $405.1K | 0.61% | 2025-12-31 |
| 13 | CastleKnight Management LP | 167,433 | $383.4K | 0.47% | 2025-09-30 |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 186,072 | $344.2K | 0.52% | 2025-12-31 |
| 15 | MORGAN STANLEY | 180,267 | $333.5K | 0.50% | 2025-12-31 |
| 16 | NORTHERN TRUST CORP | 164,143 | $303.7K | 0.46% | 2025-12-31 |
| 17 | JPMORGAN CHASE & CO | 145,769 | $269.7K | 0.41% | 2025-12-31 |
| 18 | CITADEL ADVISORS LLC | 114,658 | $212.1K | 0.32% | 2025-12-31 |
| 19 | Bank of New York Mellon Corp | 106,824 | $197.6K | 0.30% | 2025-12-31 |
| 20 | STIFEL FINANCIAL CORP | 105,572 | $195.3K | 0.29% | 2025-12-31 |
| 21 | Corient Private Wealth LLC | 97,902 | $181.1K | 0.27% | 2025-12-31 |
| 22 | GOLDMAN SACHS GROUP INC | 89,944 | $166.4K | 0.25% | 2025-12-31 |
| 23 | DEUTSCHE BANK AG\ | 72,183 | $165.3K | 0.20% | 2025-09-30 |
| 24 | OSAIC HOLDINGS, INC. | 79,686 | $147.4K | 0.22% | 2025-12-31 |
| 25 | Squarepoint Ops LLC | 76,164 | $140.9K | 0.21% | 2025-12-31 |
| 26 | FRANKLIN RESOURCES INC | 72,088 | $133.4K | 0.20% | 2025-12-31 |
| 27 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 70,674 | $130.7K | 0.19% | 2025-12-31 |
| 28 | Quadrature Capital Ltd | 65,875 | $121.9K | 0.18% | 2025-12-31 |
| 29 | BARCLAYS PLC | 41,548 | $116.3K | 0.11% | 2025-12-31 |
| 30 | WELLINGTON MANAGEMENT GROUP LLP | 56,398 | $104.3K | 0.15% | 2025-12-31 |
| 31 | XTX Topco Ltd | 45,235 | $83.7K | 0.12% | 2025-12-31 |
| 32 | NBC SECURITIES, INC. | 36,200 | $82.9K | 0.10% | 2025-09-30 |
| 33 | Centiva Capital, LP | 41,317 | $76.4K | 0.11% | 2025-12-31 |
| 34 | LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 37,851 | $70.0K | 0.10% | 2025-12-31 |
| 35 | JANE STREET GROUP, LLC | 37,087 | $68.6K | 0.10% | 2025-12-31 |
| 36 | MILLENNIUM MANAGEMENT LLC | 21,851 | $61.2K | 0.06% | 2025-06-30 |
| 37 | RHUMBLINE ADVISERS | 32,643 | $60.4K | 0.09% | 2025-12-31 |
| 38 | Nuveen, LLC | 32,142 | $59.5K | 0.09% | 2025-12-31 |
| 39 | NJ State Employees Deferred Compensation Plan | 24,000 | $55.0K | 0.06% | 2025-09-30 |
| 40 | WELLS FARGO & COMPANY/MN | 27,201 | $50.3K | 0.07% | 2025-12-31 |
| 41 | ROYCE & ASSOCIATES LP | 17,954 | $41.1K | 0.05% | 2025-09-30 |
| 42 | BANK OF AMERICA CORP /DE/ | 20,774 | $38.4K | 0.05% | 2025-12-31 |
| 43 | NewEdge Advisors, LLC | 20,498 | $37.9K | 0.05% | 2025-12-31 |
| 44 | MARSHALL WACE, LLP | 20,263 | $37.5K | 0.05% | 2025-12-31 |
| 45 | Penbrook Management LLC | 13,000 | $36.4K | 0.03% | 2025-06-30 |
| 46 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 12,121 | $33.9K | 0.03% | 2025-06-30 |
| 47 | BNP PARIBAS FINANCIAL MARKETS | 17,014 | $31.5K | 0.04% | 2025-12-31 |
| 48 | UBS Group AG | 15,526 | $28.7K | 0.04% | 2025-12-31 |
| 49 | INTECH INVESTMENT MANAGEMENT LLC | 12,175 | $27.9K | 0.03% | 2025-09-30 |
| 50 | Point72 Asset Management, L.P. | 14,925 | $27.6K | 0.04% | 2025-12-31 |
| 51 | STEINBERGANNA WEALTH MANAGEMENT | 13,615 | $25.2K | 0.03% | 2025-12-31 |
| 52 | PDT Partners, LLC | 12,074 | $24.6K | 0.03% | 2025-03-31 |
| 53 | Corebridge Financial, Inc. | 11,904 | $24.3K | 0.03% | 2025-03-31 |
| 54 | VALUEWORKS LLC | 12,775 | $23.6K | 0.03% | 2025-12-31 |
| 55 | WOLVERINE TRADING, LLC | 10,872 | $22.9K | 0.03% | 2025-03-31 |
| 56 | GROUP ONE TRADING LLC | 8,164 | $22.9K | 0.02% | 2025-06-30 |
| 57 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 12,298 | $22.8K | 0.03% | 2025-12-31 |
| 58 | Creative Planning | 12,106 | $22.4K | 0.03% | 2025-12-31 |
| 59 | ALLIANCEBERNSTEIN L.P. | 11,390 | $21.1K | 0.03% | 2025-12-31 |
| 60 | Archer Investment Corp | 11,200 | $20.7K | 0.03% | 2025-12-31 |
| 61 | AQR CAPITAL MANAGEMENT LLC | 11,199 | $20.7K | 0.03% | 2025-12-31 |
| 62 | FMR LLC | 11,106 | $20.5K | 0.03% | 2025-12-31 |
| 63 | NEW YORK STATE COMMON RETIREMENT FUND | 10,696 | $19.8K | 0.03% | 2025-12-31 |
| 64 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 10,264 | $19.0K | 0.02% | 2025-12-31 |
| 65 | Police & Firemen's Retirement System of New Jersey | 9,637 | $17.8K | 0.02% | 2025-12-31 |
| 66 | Invesco Ltd. | 6,884 | $12.7K | 0.01% | 2025-12-31 |
| 67 | Union Bancaire Privee, UBP SA | 4,230 | $10.3K | 0.01% | 2025-09-30 |
| 68 | Tower Research Capital LLC (TRC) | 5,551 | $10.3K | 0.01% | 2025-12-31 |
| 69 | PNC Financial Services Group, Inc. | 2,932 | $5.4K | 0.00% | 2025-12-31 |
| 70 | Legal & General Group Plc | 2,179 | $4.0K | 0.00% | 2025-12-31 |
| 71 | Ameritas Investment Partners, Inc. | 1,924 | $3.6K | 0.00% | 2025-12-31 |
| 72 | Sterling Capital Management LLC | 1,674 | $3.1K | 0.00% | 2025-12-31 |
| 73 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1,487 | $2.8K | 0.00% | 2025-12-31 |
| 74 | Royal Bank of Canada | 886 | $2.0K | 0.00% | 2025-12-31 |
| 75 | Advisory Services Network, LLC | 500 | $1.1K | 0.00% | 2025-09-30 |
| 76 | CITIGROUP INC | 549 | $1.0K | 0.00% | 2025-12-31 |
| 77 | NISA INVESTMENT ADVISORS, LLC | 431 | $987 | 0.00% | 2025-09-30 |
| 78 | Optiver Holding B.V. | 328 | $607 | 0.00% | 2025-12-31 |
| 79 | Westside Investment Management, Inc. | 187 | $346 | 0.00% | 2025-12-31 |
| 80 | SBI Securities Co., Ltd. | 120 | $222 | 0.00% | 2025-12-31 |
| 81 | ACADIAN ASSET MANAGEMENT LLC | 106,892 | $195 | 0.30% | 2025-12-31 |
| 82 | Arax Advisory Partners | 70 | $160 | 0.00% | 2025-09-30 |
| 83 | IFP Advisors, Inc | 30 | $69 | 0.00% | 2025-12-31 |
| 84 | Transamerica Financial Advisors, LLC | 31 | $57 | 0.00% | 2025-12-31 |
| 85 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 28 | $52 | 0.00% | 2025-12-31 |
| 86 | HRT FINANCIAL LP | 15,076 | $34 | 0.04% | 2025-09-30 |
| 87 | Virtu Financial LLC | 17,973 | $33 | 0.05% | 2025-12-31 |
| 88 | Clearstead Advisors, LLC | 11 | $26 | 0.00% | 2025-09-30 |
| 89 | GSA CAPITAL PARTNERS LLP | 12,029 | $25 | 0.03% | 2025-03-31 |
| 90 | PRICE T ROWE ASSOCIATES INC /MD/ | 13,385 | $25 | 0.03% | 2025-12-31 |
| 91 | EverSource Wealth Advisors, LLC | 8 | $15 | 0.00% | 2025-12-31 |
| 92 | True Wealth Design, LLC | 4 | $8 | 0.00% | 2025-12-31 |
| 93 | SIMPLEX TRADING, LLC | 2,419 | $6 | 0.00% | 2025-06-30 |
| 94 | Allworth Financial LP | 1 | $3 | 0.00% | 2025-12-31 |
| 95 | AMALGAMATED BANK | 762 | $1 | 0.00% | 2025-12-31 |
| 96 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-06-30 |
| 97 | CWM, LLC | 265 | $0 | 0.00% | 2025-12-31 |