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 2023
Institutional positions in Mammoth Energy Services, Inc. as of Dec 31, 2023. 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
- −8 vs. Q3 2023
- Shares held
- 39.3M
- −252.6K (−0.6%) vs. Q3 2023
- Total value
- $175.4M
- −$8.26M (−4.5%) vs. Q3 2023
- New holders
- 5
- 29 more added
- Sold out
- 13
- 19 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Coppell Advisory Solutions LLC | 70 | $312 | 0.00% | −96−57.8% | Reduced |
| Perritt Capital Management Inc | 130 | $580 | 0.00% | +130 | New |
| Advisory Services Network, LLC | 500 | $2.23K | 0.00% | +500 | New |
| Russell Investments Group, Ltd. | 527 | $2.35K | 0.00% | −139,635−99.6% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 533 | $2.38K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 710 | $3.12K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,924 | $8.58K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,032 | $9.00K | 0.00% | −234−10.3% | Reduced |
| Legal & General Group Plc | 2,179 | $9.72K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,056 | $13.6K | 0.00% | +777+34.1% | Added |
| Citigroup Inc | 3,498 | $15.6K | 0.00% | +3,443+6,260.0% | Added |
| California State Teachers Retirement System | 3,835 | $17.1K | 0.00% | −1,306−25.4% | Reduced |
| Wells Fargo & Company | 7,175 | $32.0K | 0.00% | +1,417+24.6% | Added |
| BNP Paribas Arbitrage, SA | 7,230 | $32.2K | 0.00% | +3,492+93.4% | Added |
| FMR LLC | 7,981 | $35.6K | 0.00% | +1,737+27.8% | Added |
| Neuberger Berman Group LLC | 10,188 | $45.4K | 0.00% | +10,188 | New |
| New York State Common Retirement Fund | 10,702 | $47.7K | 0.00% | +22+0.2% | Added |
| Virtu Financial LLC | 11,248 | $50.0K | 0.00% | +11,248 | New |
| American International Group, Inc. | 11,581 | $51.7K | 0.00% | −46−0.4% | Reduced |
| SG Americas Securities, LLC | 12,699 | $57.0K | 0.00% | +2,663+26.5% | Added |
| LPL Financial LLC | 14,607 | $65.1K | 0.00% | −1,125−7.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 15,016 | $67.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 20,250 | $90.3K | 0.00% | −1,666−7.6% | Reduced |
| Archer Investment Corp | 21,400 | $95.4K | 0.03% | +4,300+25.1% | Added |
| JPMorgan Chase & Co | 23,344 | $104.1K | 0.00% | +8,206+54.2% | Added |
| Price T Rowe Associates Inc | 23,326 | $105.0K | 0.00% | +574+2.5% | Added |
| NJ State Employees Deferred Compensation Plan | 24,000 | $107.0K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 24,918 | $111.1K | 0.00% | +24,918 | New |
| Bank of America Corp | 25,358 | $113.1K | 0.00% | +7,486+41.9% | Added |
| UBS Group AG | 25,505 | $113.8K | 0.00% | +12,745+99.9% | Added |
| Rhumbline Advisers | 26,175 | $116.7K | 0.00% | +218+0.8% | Added |
| Full Sail Capital, LLC | 27,191 | $121.3K | 0.01% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 28,236 | $125.9K | 0.00% | −28,860−50.5% | Reduced |
| Royal Bank of Canada | 33,427 | $149.0K | 0.00% | +3,615+12.1% | Added |
| Simplex Trading, LLC | 35,792 | $159.0K | 0.00% | +29,296+451.0% | Added |
| Winton Group Ltd | 36,829 | $164.3K | 0.01% | +1,013+2.8% | Added |
| Nuveen Asset Management, LLC | 36,843 | $164.3K | 0.00% | +4,701+14.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 54,147 | $241.5K | 0.00% | −39,067−41.9% | Reduced |
| Morgan Stanley | 55,169 | $246.1K | 0.00% | +18,751+51.5% | Added |
| Long Focus Capital Management, LLC | 57,681 | $257.3K | 0.03% | 00.0% | Unchanged |
| Barclays PLC | 57,727 | $257.5K | 0.00% | +28,553+97.9% | Added |
| NBC Securities, Inc. | 58,740 | $261.0K | 0.03% | 00.0% | Unchanged |
| First Trust Advisors LP | 63,238 | $282.0K | 0.00% | +1,503+2.4% | Added |
| Charles Schwab Investment Management Inc | 63,981 | $285.4K | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 67,998 | $303.3K | 0.01% | +40,170+144.4% | Added |
| Penbrook Management LLC | 76,900 | $343.0K | 0.23% | −4,000−4.9% | Reduced |
| Advisor Group Holdings, Inc. | 79,965 | $356.6K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 87,300 | $389.4K | 0.00% | −61,400−41.3% | Reduced |
| Invesco Ltd. | 98,651 | $440.0K | 0.00% | −62,970−39.0% | Reduced |
| Stifel Financial Corp | 107,072 | $477.5K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 142,972 | $638.0K | 0.00% | −9,600−6.3% | Reduced |
| Bank of New York Mellon Corp | 159,937 | $713.3K | 0.00% | +28,779+21.9% | Added |
| CastleKnight Management LP | 167,433 | $746.8K | 0.12% | −20,000−10.7% | Reduced |
| Northern Trust Corp | 194,978 | $869.6K | 0.00% | −3,186−1.6% | Reduced |
| X-Square Capital, LLC | 215,092 | $959.0K | 0.53% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 243,982 | $1.09M | 0.00% | −193,619−44.2% | Reduced |
| Bridgeway Capital Management, LLC | 363,098 | $1.62M | 0.03% | +7,570+2.1% | Added |
| State Street Corp | 405,066 | $1.81M | 0.00% | −9,540−2.3% | Reduced |
| Geode Capital Management, LLC | 483,751 | $2.16M | 0.00% | +15,324+3.3% | Added |
| Dimensional Fund Advisors LP | 644,986 | $2.88M | 0.00% | +154,278+31.4% | Added |
| Vanguard Group Inc | 706,403 | $3.15M | 0.00% | +33,447+5.0% | Added |
| Royce & Associates LP | 1,284,451 | $5.73M | 0.05% | +4,300+0.3% | Added |
| BlackRock Inc. | 1,496,945 | $6.68M | 0.00% | +120,935+8.8% | Added |
| Kanen Wealth Management LLC | 1,690,570 | $7.54M | 5.28% | 00.0% | Unchanged |
| Valueworks LLC | 3,349,718 | $14.9M | 5.07% | −24,545−0.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,275,000 | $19.1M | 0.04% | +575,000+15.5% | Added |
| Wexford Capital LP | 22,030,871 | $98.3M | 21.09% | −535,367−2.4% | Reduced |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −88,948−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −48,121−100.0% | Sold out |
| Boston Partners | 0 | $0 | 0.00% | −35,093−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −19,010−100.0% | Sold out |
| Cruiser Capital Advisors, LLC | 0 | $0 | 0.00% | −17,125−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −13,449−100.0% | Sold out |
| Stokes Family Office, LLC | 0 | $0 | 0.00% | −12,390−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −12,318−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −11,150−100.0% | Sold out |
| London & Capital Asset Management Ltd | 0 | $0 | 0.00% | −10,017−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −8,089−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,348−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −571−100.0% | Sold out |