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