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, Q3 2022
Institutional positions in Mammoth Energy Services, Inc. as of Sep 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
- 58
- +9 vs. Q2 2022
- Shares held
- 37.0M
- +1.89M (+5.4%) vs. Q2 2022
- Total value
- $126.1M
- +$98.2M (+353.1%) vs. Q2 2022
- New holders
- 11
- 21 more added
- Sold out
- 2
- 12 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 22,485,407 | $76.7M | 24.34% | +51,282+0.2% | Added |
| Valueworks LLC | 3,505,790 | $12.0M | 4.88% | +13,652+0.4% | Added |
| Adage Capital Partners GP, L.L.C. | 3,004,883 | $10.2M | 0.03% | +86,760+3.0% | Added |
| Royce & Associates LP | 1,382,916 | $4.72M | 0.05% | +62,653+4.7% | Added |
| Kanen Wealth Management LLC | 1,026,172 | $3.50M | 2.05% | +946,722+1,191.6% | Added |
| Millennium Management LLC | 902,488 | $3.08M | 0.00% | +143,873+19.0% | Added |
| X-Square Capital, LLC | 500,092 | $1.71M | 1.08% | 00.0% | Unchanged |
| Vanguard Group Inc | 470,659 | $1.60M | 0.00% | +77,202+19.6% | Added |
| EAM Investors, LLC | 389,784 | $1.33M | 0.29% | +389,784 | New |
| Exencial Wealth Advisors, LLC | 330,360 | $1.13M | 0.07% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 250,400 | $854.0K | 0.00% | +13,100+5.5% | Added |
| Dimensional Fund Advisors LP | 241,144 | $822.0K | 0.00% | +74,203+44.4% | Added |
| BlackRock Inc. | 237,463 | $810.0K | 0.00% | +130+0.1% | Added |
| Renaissance Technologies LLC | 199,472 | $680.0K | 0.00% | −4,600−2.3% | Reduced |
| Geode Capital Management, LLC | 194,005 | $661.0K | 0.00% | +112+0.1% | Added |
| Bridgeway Capital Management, LLC | 164,600 | $561.0K | 0.02% | −166,900−50.3% | Reduced |
| Russell Investments Group, Ltd. | 161,314 | $548.0K | 0.00% | −68,549−29.8% | Reduced |
| Marshall Wace, LLP | 154,899 | $528.0K | 0.00% | −54,333−26.0% | Reduced |
| Intrinsic Edge Capital Management LLC | 153,918 | $525.0K | 0.06% | +153,918 | New |
| Two Sigma Investments, LP | 127,117 | $433.0K | 0.00% | +68,802+118.0% | Added |
| Long Focus Capital Management, LLC | 122,681 | $418.0K | 0.09% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 107,983 | $367.0K | 0.00% | +64,674+149.3% | Added |
| Stifel Financial Corp | 107,072 | $365.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 68,590 | $234.0K | 0.00% | −22,190−24.4% | Reduced |
| Full Sail Capital, LLC | 67,997 | $232.0K | 0.02% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 58,506 | $199.0K | 0.00% | +13,716+30.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 58,034 | $198.0K | 0.00% | +17,841+44.4% | Added |
| State Street Corp | 53,614 | $183.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 49,881 | $170.0K | 0.00% | +30,909+162.9% | Added |
| Boston Partners | 45,073 | $154.0K | 0.00% | −27,079−37.5% | Reduced |
| Jane Street Group, LLC | 38,974 | $133.0K | 0.00% | +38,974 | New |
| Group One Trading, L.P. | 37,022 | $126.0K | 0.00% | +37,022 | New |
| Northern Trust Corp | 28,134 | $96.0K | 0.00% | +4,218+17.6% | Added |
| GWM Advisors LLC | 25,000 | $85.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 24,650 | $84.0K | 0.00% | +24,650 | New |
| NJ State Employees Deferred Compensation Plan | 24,000 | $82.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 23,259 | $79.0K | 0.01% | +23,259 | New |
| Algert Global LLC | 20,780 | $71.0K | 0.00% | −13,860−40.0% | Reduced |
| Price T Rowe Associates Inc | 18,000 | $62.0K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 16,400 | $56.0K | 0.00% | +16,400 | New |
| LPL Financial LLC | 14,715 | $50.0K | 0.00% | +1,000+7.3% | Added |
| HSBC Holdings PLC | 13,471 | $48.0K | 0.00% | −386−2.8% | Reduced |
| Mad River Investors | 11,250 | $38.0K | 0.03% | +550+5.1% | Added |
| Charles Schwab Investment Management Inc | 10,739 | $37.0K | 0.00% | +10,739 | New |
| Morgan Stanley | 6,561 | $22.0K | 0.00% | −4,027−38.0% | Reduced |
| American Portfolios Advisors | 6,200 | $21.1K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 6,226 | $21.0K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 6,000 | $20.5K | 0.01% | −2,100−25.9% | Reduced |
| UBS Group AG | 5,915 | $20.0K | 0.00% | +5,915 | New |
| Simplex Trading, LLC | 3,616 | $12.0K | 0.00% | −4,842−57.2% | Reduced |
| Barclays PLC | 2,801 | $10.0K | 0.00% | +526+23.1% | Added |
| Advisor Group Holdings, Inc. | 2,115 | $7.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 803 | $2.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 383 | $1.31K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 16 | $0 | 0.00% | −3,559−99.6% | Reduced |
| Wells Fargo & Company | 126 | $0 | 0.00% | +31+32.6% | Added |
| Royal Bank of Canada | 114 | $0 | 0.00% | +114 | New |
| IFP Advisors, Inc | 200 | – | – | +200 | New |
| Sheaff Brock Investment Advisors, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −11,580−100.0% | Sold out |