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 2021
Institutional positions in Mammoth Energy Services, Inc. as of Dec 31, 2021. 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
- 44
- −2 vs. Q3 2021
- Shares held
- 30.2M
- +22.6M (+297.6%) vs. Q3 2021
- Total value
- $14.5M
- −$7.61M (−34.4%) vs. Q3 2021
- New holders
- 6
- 7 more added
- Sold out
- 8
- 17 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 16 | $0 | 0.00% | −11,587−99.9% | Reduced |
| BNP Paribas Arbitrage, SA | 534 | $972 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 586 | $1.00K | 0.00% | −1,279−68.6% | Reduced |
| Royal Bank of Canada | 488 | $1.00K | 0.00% | +73+17.6% | Added |
| NEXT Financial Group, Inc | 1,900 | $3.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 1,957 | $4.00K | 0.00% | −8,109−80.6% | Reduced |
| Advisor Group Holdings, Inc. | 2,123 | $4.00K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 2,280 | $4.15K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 2,872 | $5.00K | 0.00% | −162−5.3% | Reduced |
| Tower Research Capital LLC (TRC) | 4,418 | $8.00K | 0.00% | +4,418 | New |
| UBS Group AG | 4,745 | $9.00K | 0.00% | +3,951+497.6% | Added |
| Morgan Stanley | 7,788 | $14.0K | 0.00% | −18,942−70.9% | Reduced |
| Simplex Trading, LLC | 8,347 | $15.0K | 0.00% | +2,656+46.7% | Added |
| Mad River Investors | 10,700 | $19.0K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 13,029 | $24.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 14,243 | $26.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 15,843 | $29.0K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 15,850 | $29.0K | 0.00% | +15,850 | New |
| Price T Rowe Associates Inc | 18,000 | $33.0K | 0.00% | −21,800−54.8% | Reduced |
| Winton Group Ltd | 18,803 | $34.0K | 0.00% | −35,140−65.1% | Reduced |
| NJ State Employees Deferred Compensation Plan | 24,000 | $44.0K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 36,693 | $67.0K | 0.00% | −2,374−6.1% | Reduced |
| Northern Trust Corp | 44,651 | $81.0K | 0.00% | −5,826−11.5% | Reduced |
| Stifel Financial Corp | 55,572 | $101.0K | 0.00% | 00.0% | Unchanged |
| Boston Partners | 62,701 | $114.0K | 0.00% | −13,677−17.9% | Reduced |
| Full Sail Capital, LLC | 67,721 | $125.0K | 0.01% | +67,721 | New |
| State Street Corp | 70,714 | $129.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 84,100 | $153.0K | 0.00% | −4,300−4.9% | Reduced |
| Millennium Management LLC | 88,909 | $162.0K | 0.00% | +44,213+98.9% | Added |
| Bank of New York Mellon Corp | 91,232 | $166.0K | 0.00% | 00.0% | Unchanged |
| Yaupon Capital Management LP | 100,000 | $182.0K | 0.10% | +100,000 | New |
| Susquehanna International Group, LLP | 105,925 | $193.0K | 0.00% | +76,263+257.1% | Added |
| Renaissance Technologies LLC | 116,472 | $212.0K | 0.00% | −23,500−16.8% | Reduced |
| Long Focus Capital Management, LLC | 122,681 | $223.0K | 0.06% | +122,681 | New |
| Dimensional Fund Advisors LP | 157,866 | $287.0K | 0.00% | −4,757−2.9% | Reduced |
| Russell Investments Group, Ltd. | 180,917 | $329.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 230,566 | $420.0K | 0.00% | +6,561+2.9% | Added |
| Exencial Wealth Advisors, LLC | 245,777 | $447.0K | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 280,404 | $510.0K | 0.00% | −22,280−7.4% | Reduced |
| Bridgeway Capital Management, LLC | 387,989 | $706.0K | 0.01% | −113,027−22.6% | Reduced |
| Vanguard Group Inc | 484,617 | $882.0K | 0.00% | −23,513−4.6% | Reduced |
| Royce & Associates LP | 1,259,416 | $2.29M | 0.02% | +431,626+52.1% | Added |
| Valueworks LLC | 3,541,258 | $6.45M | 2.55% | −38,321−1.1% | Reduced |
| Wexford Capital LP | 22,240,173 | – | – | +22,240,173 | New |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −55,029−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −45,576−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −14,500−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −14,599−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −13,913−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −205−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −286−100.0% | Sold out |