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 2023
Institutional positions in Mammoth Energy Services, Inc. as of Jun 30, 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
- 72
- −5 vs. Q1 2023
- Shares held
- 38.7M
- +319.7K (+0.8%) vs. Q1 2023
- Total value
- $186.7M
- +$24.8M (+15.3%) vs. Q1 2023
- New holders
- 16
- 27 more added
- Sold out
- 21
- 18 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 22,566,238 | $109.0M | 21.81% | +91,324+0.4% | Added |
| Valueworks LLC | 3,383,463 | $16.3M | 5.91% | −17,305−0.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,300,000 | $15.9M | 0.03% | +99,950+3.1% | Added |
| Kanen Wealth Management LLC | 1,767,074 | $8.53M | 5.66% | −8,427−0.5% | Reduced |
| Royce & Associates LP | 1,291,194 | $6.24M | 0.06% | +1,000+0.1% | Added |
| BlackRock Inc. | 1,280,241 | $6.18M | 0.00% | +1,020,681+393.2% | Added |
| Vanguard Group Inc | 653,247 | $3.16M | 0.00% | +87,238+15.4% | Added |
| Acadian Asset Management LLC | 500,157 | $2.42M | 0.01% | −167,899−25.1% | Reduced |
| Geode Capital Management, LLC | 424,541 | $2.05M | 0.00% | +223,482+111.2% | Added |
| State Street Corp | 413,206 | $2.00M | 0.00% | +334,492+424.9% | Added |
| Dimensional Fund Advisors LP | 315,982 | $1.53M | 0.00% | +4,396+1.4% | Added |
| Bridgeway Capital Management, LLC | 305,216 | $1.47M | 0.04% | +140,616+85.4% | Added |
| X-Square Capital, LLC | 215,092 | $1.04M | 0.70% | −190,000−46.9% | Reduced |
| Two Sigma Advisers, LP | 211,900 | $1.02M | 0.00% | −59,000−21.8% | Reduced |
| Renaissance Technologies LLC | 188,972 | $913.0K | 0.00% | −61,500−24.6% | Reduced |
| Northern Trust Corp | 186,572 | $901.1K | 0.00% | +149,418+402.2% | Added |
| Russell Investments Group, Ltd. | 156,809 | $757.4K | 0.00% | +9,321+6.3% | Added |
| Bank of New York Mellon Corp | 132,901 | $641.9K | 0.00% | +59,871+82.0% | Added |
| Stifel Financial Corp | 107,072 | $517.2K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 96,889 | $468.0K | 0.00% | +1,064+1.1% | Added |
| Invesco Ltd. | 94,901 | $458.4K | 0.00% | +8,549+9.9% | Added |
| Penbrook Management LLC | 81,300 | $392.7K | 0.28% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 63,981 | $309.0K | 0.00% | +53,242+495.8% | Added |
| Boston Partners | 62,186 | $300.4K | 0.00% | +21,758+53.8% | Added |
| Long Focus Capital Management, LLC | 57,681 | $278.6K | 0.04% | 00.0% | Unchanged |
| Caxton Associates LP | 51,785 | $250.1K | 0.04% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 50,401 | $243.4K | 0.00% | −28,982−36.5% | Reduced |
| Morgan Stanley | 42,714 | $206.3K | 0.00% | −11,792−21.6% | Reduced |
| Gsa Capital Partners LLP | 36,851 | $178.0K | 0.02% | +12,549+51.6% | Added |
| O'Shaughnessy Asset Management, LLC | 36,591 | $176.7K | 0.00% | −558−1.5% | Reduced |
| Two Sigma Investments, LP | 36,242 | $175.0K | 0.00% | −73,164−66.9% | Reduced |
| Nuveen Asset Management, LLC | 32,142 | $155.2K | 0.00% | +32,142 | New |
| Barclays PLC | 29,674 | $143.3K | 0.00% | −21,815−42.4% | Reduced |
| Full Sail Capital, LLC | 27,191 | $131.3K | 0.01% | 00.0% | Unchanged |
| Empowered Funds, LLC | 25,616 | $123.7K | 0.00% | +25,616 | New |
| EA Series Trust | 25,616 | $123.7K | 0.00% | +25,616 | New |
| Jump Financial, LLC | 25,100 | $121.2K | 0.00% | −42,837−63.1% | Reduced |
| Rhumbline Advisers | 24,740 | $119.5K | 0.00% | +24,740 | New |
| NJ State Employees Deferred Compensation Plan | 24,000 | $115.9K | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 22,752 | $110.0K | 0.00% | +4,752+26.4% | Added |
| Royal Bank of Canada | 22,572 | $110.0K | 0.00% | +22,572 | New |
| New York State Common Retirement Fund | 20,900 | $100.9K | 0.00% | +20,900 | New |
| Bank of America Corp | 20,896 | $100.9K | 0.00% | +18,883+938.1% | Added |
| Goldman Sachs Group Inc | 19,728 | $95.3K | 0.00% | −31,761−61.7% | Reduced |
| Algert Global LLC | 19,010 | $91.8K | 0.00% | −14,080−42.6% | Reduced |
| JPMorgan Chase & Co | 18,583 | $89.8K | 0.00% | +18,567+116,043.8% | Added |
| Cruiser Capital Advisors, LLC | 17,125 | $82.7K | 0.08% | +17,125 | New |
| Archer Investment Corp | 17,000 | $82.1K | 0.03% | 00.0% | Unchanged |
| LPL Financial LLC | 15,732 | $76.0K | 0.00% | +2,000+14.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 15,016 | $72.5K | 0.00% | +15,016 | New |
| UBS Group AG | 13,906 | $67.2K | 0.00% | +3,364+31.9% | Added |
| American International Group, Inc. | 11,214 | $54.2K | 0.00% | +11,214 | New |
| Ritholtz Wealth Management | 10,936 | $52.8K | 0.00% | −6,155−36.0% | Reduced |
| Prelude Capital Management, LLC | 10,403 | $50.2K | 0.00% | +10,403 | New |
| Winton Group Ltd | 10,232 | $49.4K | 0.00% | +10,232 | New |
| Wells Fargo & Company | 8,846 | $42.7K | 0.00% | +8,483+2,336.9% | Added |
| BNP Paribas Arbitrage, SA | 8,457 | $40.8K | 0.00% | +8,074+2,108.1% | Added |
| Advisor Group Holdings, Inc. | 8,315 | $40.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 7,750 | $37.4K | 0.00% | +7,750 | New |
| Citigroup Inc | 6,937 | $33.5K | 0.00% | +4,443+178.1% | Added |
| Citadel Advisors LLC | 6,449 | $31.1K | 0.00% | −60,277−90.3% | Reduced |
| FMR LLC | 6,230 | $30.1K | 0.00% | +4+0.1% | Added |
| Amalgamated Bank | 2,266 | $11.0K | 0.00% | +2,266 | New |
| Legal & General Group Plc | 2,179 | $10.5K | 0.00% | +2,179 | New |
| Ameritas Investment Partners, Inc. | 1,924 | $9.29K | 0.00% | +1,924 | New |
| Aquatic Capital Management LLC | 1,300 | $6.00K | 0.00% | +300+30.0% | Added |
| Tower Research Capital LLC (TRC) | 984 | $4.75K | 0.00% | −6,828−87.4% | Reduced |
| Tucker Asset Management LLC | 600 | $2.90K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 600 | $2.89K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 430 | $2.08K | 0.00% | −401−48.3% | Reduced |
| NewSquare Capital LLC | 100 | $483 | 0.00% | 00.0% | Unchanged |
| Coppell Advisory Solutions LLC | 92 | $430 | 0.00% | +92 | New |
| Exencial Wealth Advisors, LLC | 0 | $0 | 0.00% | −507,610−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −404,967−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −131,412−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −113,551−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −86,135−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −64,776−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −38,008−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −29,795−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −24,758−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −16,100−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −15,609−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −15,285−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −12,591−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,288−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,184−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −5,130−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −5,024−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −3,894−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −490−100.0% | Sold out |