Mammoth Energy Services, Inc. (NASDAQ:TUSK) has 71 institutional investors that have filed 13F reports for the period ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| WEXFORD CAPITAL LP | 31 Dec, 2025 | 22,096,068 | 0 | 0.00% | $40,877,721.00 |
| WEXFORD CAPITAL LP | 31 Dec, 2025 | 22,068,212 | -27,856 | -0.13% | $54,067,120.00 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 31 Dec, 2025 | 4,575,000 | 0 | 0.00% | $8,463,750.00 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 31 Dec, 2025 | 4,575,000 | 0 | 0.00% | $11,208,750.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 1,473,044 | 20,581 | 1.42% | $2,725,131.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 1,454,839 | -18,205 | -1.24% | $3,564,356.00 |
| VANGUARD GROUP INC | 31 Dec, 2025 | 1,022,411 | 76,781 | 8.12% | $1,891,461.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Dec, 2025 | 819,120 | 819,120 | 0.00% | $2,006,844.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Dec, 2025 | 699,678 | -236,736 | -25.28% | $1,294,365.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Dec, 2025 | 686,199 | -13,479 | -1.93% | $1,681,522.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 610,926 | 25,207 | 4.30% | $1,496,928.00 |
| Peapod Lane Capital LLC | 31 Dec, 2025 | 599,805 | 599,805 | 0.00% | $1,513,348.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 585,719 | 6,614 | 1.14% | $1,083,694.00 |
| Empowered Funds, LLC | 31 Dec, 2025 | 437,982 | 239,018 | 120.13% | $810,266.00 |
| State Street Corp | 31 Dec, 2025 | 421,922 | 13,438 | 3.29% | $1,033,709.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 409,991 | 20,027 | 5.14% | $758,483.00 |
| State Street Corp | 31 Dec, 2025 | 408,484 | 1,568 | 0.39% | $755,695.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 332,313 | -77,678 | -18.95% | $814,167.00 |
| CITADEL ADVISORS LLC | 31 Dec, 2025 | 331,367 | 111,256 | 50.55% | $811,849.00 |
| Morgan Stanley | 31 Dec, 2025 | 292,698 | 147,398 | 101.44% | $541,492.00 |