Mammoth Energy Services, Inc.
TUSK- Exchange
- Nasdaq
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0001679268
In the last 90 days, Mammoth Energy Services, Inc. insiders filed 1 open-market purchase and 0 sales; 93 institutions reported holding it in 13F filings for Q2 2026, worth $84.7M in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Mammoth Energy Services, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 67
- +3 vs. Q3 2024
- Shares held
- 37.5M
- +415.1K (+1.1%) vs. Q3 2024
- Total value
- $112.6M
- −$39.2M (−25.8%) vs. Q3 2024
- New holders
- 10
- 26 more added
- Sold out
- 7
- 16 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TUSK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 93 | $84.7M |
| Q1 2026 | 90 | $86.0M |
| Q4 2025 | 72 | $63.6M |
| Q3 2025 | 77 | $82.6M |
| Q2 2025 | 66 | $101.9M |
| Q1 2025 | 66 | $76.1M |
| Q4 2024 | 67 | $112.6M |
| Q3 2024 | 64 | $151.9M |
| Q2 2024 | 67 | $127.0M |
| Q1 2024 | 67 | $141.9M |
| Q4 2023 | 67 | $175.4M |
| Q3 2023 | 75 | $183.6M |
| Q2 2023 | 72 | $186.7M |
| Q1 2023 | 77 | $161.9M |
| Q4 2022 | 80 | $323.2M |
| Q3 2022 | 58 | $126.1M |
| Q2 2022 | 49 | $27.8M |
| Q1 2022 | 50 | $21.5M |
| Q4 2021 | 44 | $14.5M |
| Q3 2021 | 46 | $22.1M |
| Q2 2021 | 52 | $134.0M |
| Q1 2021 | 54 | $153.3M |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 93 | $0 | 0.00% | −272−74.5% | Reduced |
| IFP Advisors, Inc | 0 | $15 | 0.00% | 0 | New |
| The PNC Financial Services Group, Inc. | 48 | $144 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 53 | $159 | 0.00% | +53 | New |
| NBC Securities, Inc. | 56 | $170 | 0.02% | −58,684−99.9% | Reduced |
| Coppell Advisory Solutions LLC | 70 | $195 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 110 | $330 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 120 | $360 | 0.00% | +120 | New |
| Russell Investments Group, Ltd. | 341 | $1.02K | 0.00% | −673−66.4% | Reduced |
| Amalgamated Bank | 785 | $2.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 825 | $2.48K | 0.00% | +748+971.4% | Added |
| US Bancorp | 833 | $2.50K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,305 | $3.00K | 0.00% | +1,305 | New |
| California State Teachers Retirement System | 1,761 | $5.28K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,924 | $5.77K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,179 | $6.54K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,641 | $10.9K | 0.00% | +1,700+87.6% | Added |
| Union Bancaire Privee, UBP SA | 4,230 | $11.8K | 0.00% | +4,230 | New |
| BNP Paribas Arbitrage, SA | 5,220 | $15.7K | 0.00% | −1,284−19.7% | Reduced |
| Royal Bank of Canada | 5,332 | $16.0K | 0.00% | +1,848+53.0% | Added |
| FMR LLC | 9,290 | $27.9K | 0.00% | −1,677−15.3% | Reduced |
| LPL Financial LLC | 10,057 | $30.2K | 0.00% | −5,500−35.4% | Reduced |
| Invesco Ltd. | 10,122 | $30.4K | 0.00% | +10,122 | New |
| New York State Common Retirement Fund | 10,696 | $32.1K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 12,080 | $36.2K | 0.00% | −913−7.0% | Reduced |
| Archer Investment Corp | 12,400 | $37.2K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 12,584 | $38.0K | 0.00% | +2,239+21.6% | Added |
| Occudo Quantitative Strategies LP | 13,749 | $41.2K | 0.01% | +13,749 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 13,970 | $41.9K | 0.00% | +608+4.6% | Added |
| Marshall Wace, LLP | 14,163 | $42.5K | 0.00% | +14,163 | New |
| Wells Fargo & Company | 14,263 | $42.8K | 0.00% | +3,107+27.9% | Added |
| PDT Partners, LLC | 15,450 | $46.4K | 0.00% | +15,450 | New |
| Jane Street Group, LLC | 15,550 | $46.6K | 0.00% | −2,994−16.1% | Reduced |
| Citadel Advisors LLC | 17,865 | $53.6K | 0.00% | −47,425−72.6% | Reduced |
| Penbrook Management LLC | 22,200 | $66.6K | 0.05% | −10,500−32.1% | Reduced |
| Bank of America Corp | 22,882 | $68.6K | 0.00% | +7,192+45.8% | Added |
| NJ State Employees Deferred Compensation Plan | 24,000 | $72.0K | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 24,534 | $73.6K | 0.00% | −562−2.2% | Reduced |
| Price T Rowe Associates Inc | 26,473 | $80.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 27,888 | $83.7K | 0.00% | +3,396+13.9% | Added |
| Nuveen Asset Management, LLC | 36,843 | $110.5K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 38,171 | $114.5K | 0.00% | +17,946+88.7% | Added |
| Wellington Management Group LLP | 49,561 | $148.7K | 0.00% | +1,490+3.1% | Added |
| Advisor Group Holdings, Inc. | 59,550 | $178.7K | 0.00% | +4,700+8.6% | Added |
| Susquehanna International Group, LLP | 59,552 | $178.7K | 0.00% | −20,084−25.2% | Reduced |
| Barclays PLC | 61,549 | $184.6K | 0.00% | +4,468+7.8% | Added |
| JPMorgan Chase & Co | 63,079 | $189.2K | 0.00% | +51,919+465.2% | Added |
| Charles Schwab Investment Management Inc | 70,674 | $212.0K | 0.00% | +7,064+11.1% | Added |
| Goldman Sachs Group Inc | 89,442 | $268.3K | 0.00% | +29,988+50.4% | Added |
| Morgan Stanley | 90,979 | $272.9K | 0.00% | +2,163+2.4% | Added |
| Stifel Financial Corp | 105,625 | $316.9K | 0.00% | +53+0.1% | Added |
| Bank of New York Mellon Corp | 121,993 | $366.0K | 0.00% | −27,191−18.2% | Reduced |
| Renaissance Technologies LLC | 133,572 | $400.7K | 0.00% | −100−0.1% | Reduced |
| Empowered Funds, LLC | 146,574 | $439.7K | 0.01% | +63,417+76.3% | Added |
| CastleKnight Management LP | 167,433 | $502.3K | 0.06% | 00.0% | Unchanged |
| Northern Trust Corp | 206,039 | $618.1K | 0.00% | +4,175+2.1% | Added |
| State Street Corp | 402,363 | $1.21M | 0.00% | −1,325−0.3% | Reduced |
| Rangeley Capital, LLC | 432,338 | $1.30M | 1.25% | +432,338 | New |
| Bridgeway Capital Management, LLC | 460,274 | $1.38M | 0.03% | +57,017+14.1% | Added |
| Geode Capital Management, LLC | 537,376 | $1.61M | 0.00% | +8,526+1.6% | Added |
| Vanguard Group Inc | 946,697 | $2.84M | 0.00% | +2,353+0.2% | Added |
| Dimensional Fund Advisors LP | 991,223 | $2.97M | 0.00% | +98,295+11.0% | Added |
| Royce & Associates LP | 1,449,922 | $4.35M | 0.04% | +98,698+7.3% | Added |
| BlackRock, Inc. | 1,475,885 | $4.43M | 0.00% | +11,773+0.8% | Added |
| Valueworks LLC | 2,823,185 | $8.47M | 2.82% | −313,186−10.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,100,000 | $12.3M | 0.02% | +46,277+1.1% | Added |
| Wexford Capital LP | 22,068,212 | $66.2M | 16.93% | 00.0% | Unchanged |
| Long Focus Capital Management, LLC | 0 | $0 | 0.00% | −57,681−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −26,449−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,990−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,964−100.0% | Sold out |
| Perkins Coie Trust Co | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −103−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −13−100.0% | Sold out |