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, Q2 2022
Institutional positions in Mammoth Energy Services, Inc. as of Jun 30, 2022. 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
- 49
- −1 vs. Q1 2022
- Shares held
- 35.1M
- +2.76M (+8.5%) vs. Q1 2022
- Total value
- $27.8M
- +$6.36M (+29.6%) vs. Q1 2022
- New holders
- 7
- 11 more added
- Sold out
- 8
- 19 more reduced
Compare with Q1 2022: 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, Q2 2022
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Valueworks LLC | 3,492,138 | $7.68M | 3.15% | −44,242−1.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,918,123 | $6.42M | 0.01% | +2,918,123 | New |
| Royce & Associates LP | 1,320,263 | $2.90M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 758,615 | $1.67M | 0.00% | −607,388−44.5% | Reduced |
| X-Square Capital, LLC | 500,092 | $1.10M | 0.66% | +300,092+150.0% | Added |
| Vanguard Group Inc | 393,457 | $865.0K | 0.00% | −15,291−3.7% | Reduced |
| Bridgeway Capital Management, LLC | 331,500 | $729.0K | 0.02% | −52,989−13.8% | Reduced |
| Exencial Wealth Advisors, LLC | 330,360 | $727.0K | 0.04% | 00.0% | Unchanged |
| BlackRock Inc. | 237,333 | $522.0K | 0.00% | +8,135+3.5% | Added |
| Two Sigma Advisers, LP | 237,300 | $522.0K | 0.00% | +100,900+74.0% | Added |
| Russell Investments Group, Ltd. | 229,863 | $503.0K | 0.00% | +11,254+5.1% | Added |
| Marshall Wace, LLP | 209,232 | $460.0K | 0.00% | +166,737+392.4% | Added |
| Renaissance Technologies LLC | 204,072 | $449.0K | 0.00% | −36,200−15.1% | Reduced |
| Geode Capital Management, LLC | 193,893 | $426.0K | 0.00% | +3,954+2.1% | Added |
| Dimensional Fund Advisors LP | 166,941 | $367.0K | 0.00% | +67,111+67.2% | Added |
| Long Focus Capital Management, LLC | 122,681 | $270.0K | 0.05% | 00.0% | Unchanged |
| Stifel Financial Corp | 107,072 | $236.0K | 0.00% | −1,400−1.3% | Reduced |
| Sheaff Brock Investment Advisors, LLC | 100,000 | $220.0K | 0.03% | +100,000 | New |
| Bank of New York Mellon Corp | 90,780 | $200.0K | 0.00% | −452−0.5% | Reduced |
| Kanen Wealth Management LLC | 79,450 | $174.8K | 0.10% | +79,450 | New |
| Boston Partners | 72,152 | $159.0K | 0.00% | −70,110−49.3% | Reduced |
| Full Sail Capital, LLC | 67,997 | $150.0K | 0.01% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 58,315 | $128.0K | 0.00% | −60,643−51.0% | Reduced |
| State Street Corp | 53,614 | $118.0K | 0.00% | −17,100−24.2% | Reduced |
| Susquehanna International Group, LLP | 44,790 | $99.0K | 0.00% | −45,213−50.2% | Reduced |
| Acadian Asset Management LLC | 43,309 | $95.0K | 0.00% | +43,309 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 40,193 | $88.0K | 0.00% | +15,385+62.0% | Added |
| Algert Global LLC | 34,640 | $76.0K | 0.01% | +34,640 | New |
| GWM Advisors LLC | 25,000 | $55.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 23,916 | $53.0K | 0.00% | −20,735−46.4% | Reduced |
| NJ State Employees Deferred Compensation Plan | 24,000 | $53.0K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 18,972 | $41.0K | 0.00% | +18,972 | New |
| Price T Rowe Associates Inc | 18,000 | $40.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 13,857 | $30.0K | 0.00% | −386−2.7% | Reduced |
| LPL Financial LLC | 13,715 | $30.0K | 0.00% | +13,715 | New |
| Cubist Systematic Strategies, LLC | 11,580 | $25.0K | 0.00% | −42,076−78.4% | Reduced |
| Mad River Investors | 10,700 | $24.0K | 0.02% | 00.0% | Unchanged |
| Morgan Stanley | 10,588 | $23.0K | 0.00% | −4,675−30.6% | Reduced |
| Simplex Trading, LLC | 8,458 | $18.0K | 0.00% | +2,984+54.5% | Added |
| Archer Investment Corp | 8,100 | $17.8K | 0.01% | −1,900−19.0% | Reduced |
| FMR LLC | 6,226 | $14.0K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 6,200 | $13.6K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 3,575 | $8.00K | 0.00% | −327−8.4% | Reduced |
| Barclays PLC | 2,275 | $5.00K | 0.00% | −597−20.8% | Reduced |
| Advisor Group Holdings, Inc. | 2,115 | $5.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 803 | $2.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 383 | $843 | 0.00% | −151−28.3% | Reduced |
| Wells Fargo & Company | 95 | $0 | 0.00% | +9+10.5% | Added |
| Wexford Capital LP | 22,434,125 | – | – | +193,952+0.9% | Added |
| Citigroup Inc | 0 | $0 | 0.00% | −170,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −55,535−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −42,645−100.0% | Sold out |
| Traynor Capital Management, Inc. | 0 | $0 | 0.00% | −17,368−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −8,167−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −147−100.0% | Sold out |