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 2023
Institutional positions in Mammoth Energy Services, Inc. as of Sep 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
- 75
- +4 vs. Q2 2023
- Shares held
- 39.6M
- +947.1K (+2.5%) vs. Q2 2023
- Total value
- $183.6M
- −$2.94M (−1.6%) vs. Q2 2023
- New holders
- 12
- 24 more added
- Sold out
- 8
- 23 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 55 | $255 | 0.00% | −6,882−99.2% | Reduced |
| Coppell Advisory Solutions LLC | 166 | $1.44K | 0.00% | +74+80.4% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 533 | $2.47K | 0.00% | +533 | New |
| Citadel Advisors LLC | 571 | $2.65K | 0.00% | −5,878−91.1% | Reduced |
| National Bank of Canada | 710 | $3.13K | 0.00% | +110+18.3% | Added |
| Metropolitan Life Insurance Co | 1,348 | $6.25K | 0.00% | +1,348 | New |
| Ameritas Investment Partners, Inc. | 1,924 | $8.93K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,179 | $10.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,279 | $10.6K | 0.00% | +1,295+131.6% | Added |
| Amalgamated Bank | 2,266 | $11.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3,738 | $17.3K | 0.00% | −4,719−55.8% | Reduced |
| California State Teachers Retirement System | 5,141 | $23.9K | 0.00% | −2,609−33.7% | Reduced |
| Wells Fargo & Company | 5,758 | $26.7K | 0.00% | −3,088−34.9% | Reduced |
| FMR LLC | 6,244 | $29.0K | 0.00% | +14+0.2% | Added |
| Simplex Trading, LLC | 6,496 | $30.0K | 0.00% | +6,496 | New |
| Allspring Global Investments Holdings, LLC | 8,089 | $37.5K | 0.00% | +8,089 | New |
| London & Capital Asset Management Ltd | 10,017 | $46.5K | 0.00% | +10,017 | New |
| SG Americas Securities, LLC | 10,036 | $47.0K | 0.00% | +10,036 | New |
| New York State Common Retirement Fund | 10,680 | $49.6K | 0.00% | −10,220−48.9% | Reduced |
| Ritholtz Wealth Management | 11,150 | $51.7K | 0.00% | +214+2.0% | Added |
| American International Group, Inc. | 11,627 | $53.9K | 0.00% | +413+3.7% | Added |
| MetLife Investment Management | 12,318 | $57.2K | 0.00% | +12,318 | New |
| Stokes Family Office, LLC | 12,390 | $57.5K | 0.01% | +12,390 | New |
| UBS Group AG | 12,760 | $59.2K | 0.00% | −1,146−8.2% | Reduced |
| Wolverine Trading, LLC | 13,449 | $62.4K | 0.00% | +13,449 | New |
| Mirae Asset Global Investments Co., Ltd. | 15,016 | $69.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 15,138 | $70.2K | 0.00% | −3,445−18.5% | Reduced |
| LPL Financial LLC | 15,732 | $73.0K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 17,100 | $79.3K | 0.03% | +100+0.6% | Added |
| Cruiser Capital Advisors, LLC | 17,125 | $79.5K | 0.11% | 00.0% | Unchanged |
| Bank of America Corp | 17,872 | $82.9K | 0.00% | −3,024−14.5% | Reduced |
| Algert Global LLC | 19,010 | $88.2K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 21,916 | $101.7K | 0.00% | +2,188+11.1% | Added |
| Price T Rowe Associates Inc | 22,752 | $106.0K | 0.00% | 00.0% | Unchanged |
| NJ State Employees Deferred Compensation Plan | 24,000 | $111.4K | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 25,957 | $120.4K | 0.00% | +1,217+4.9% | Added |
| Full Sail Capital, LLC | 27,191 | $126.2K | 0.01% | 00.0% | Unchanged |
| Empowered Funds, LLC | 27,828 | $129.1K | 0.00% | +2,212+8.6% | Added |
| Barclays PLC | 29,174 | $135.4K | 0.00% | −500−1.7% | Reduced |
| Royal Bank of Canada | 29,812 | $138.0K | 0.00% | +7,240+32.1% | Added |
| Nuveen Asset Management, LLC | 32,142 | $149.1K | 0.00% | 00.0% | Unchanged |
| Boston Partners | 35,093 | $162.8K | 0.00% | −27,093−43.6% | Reduced |
| Winton Group Ltd | 35,816 | $166.2K | 0.01% | +25,584+250.0% | Added |
| Morgan Stanley | 36,418 | $169.0K | 0.00% | −6,296−14.7% | Reduced |
| Susquehanna International Group, LLP | 48,121 | $223.3K | 0.00% | −2,280−4.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 57,096 | $264.9K | 0.00% | +20,505+56.0% | Added |
| Long Focus Capital Management, LLC | 57,681 | $267.6K | 0.04% | 00.0% | Unchanged |
| NBC Securities, Inc. | 58,740 | $272.0K | 0.03% | +58,740 | New |
| First Trust Advisors LP | 61,735 | $286.4K | 0.00% | +61,735 | New |
| Charles Schwab Investment Management Inc | 63,981 | $296.9K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 79,965 | $371.0K | 0.00% | +71,650+861.7% | Added |
| Penbrook Management LLC | 80,900 | $375.4K | 0.28% | −400−0.5% | Reduced |
| Gsa Capital Partners LLP | 88,948 | $413.0K | 0.04% | +52,097+141.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 93,214 | $432.5K | 0.00% | −3,675−3.8% | Reduced |
| Stifel Financial Corp | 107,072 | $496.8K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 131,158 | $608.6K | 0.00% | −1,743−1.3% | Reduced |
| Russell Investments Group, Ltd. | 140,162 | $650.4K | 0.00% | −16,647−10.6% | Reduced |
| Two Sigma Advisers, LP | 148,700 | $690.0K | 0.00% | −63,200−29.8% | Reduced |
| Renaissance Technologies LLC | 152,572 | $708.0K | 0.00% | −36,400−19.3% | Reduced |
| Invesco Ltd. | 161,621 | $749.9K | 0.00% | +66,720+70.3% | Added |
| CastleKnight Management LP | 187,433 | $869.7K | 0.15% | +187,433 | New |
| Northern Trust Corp | 198,164 | $919.5K | 0.00% | +11,592+6.2% | Added |
| X-Square Capital, LLC | 215,092 | $1.04M | 0.70% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 355,528 | $1.65M | 0.04% | +50,312+16.5% | Added |
| State Street Corp | 414,606 | $1.92M | 0.00% | +1,400+0.3% | Added |
| Acadian Asset Management LLC | 437,601 | $2.03M | 0.01% | −62,556−12.5% | Reduced |
| Geode Capital Management, LLC | 468,427 | $2.17M | 0.00% | +43,886+10.3% | Added |
| Dimensional Fund Advisors LP | 490,708 | $2.28M | 0.00% | +174,726+55.3% | Added |
| Vanguard Group Inc | 672,956 | $3.12M | 0.00% | +19,709+3.0% | Added |
| Royce & Associates LP | 1,280,151 | $5.94M | 0.06% | −11,043−0.9% | Reduced |
| BlackRock Inc. | 1,376,010 | $6.38M | 0.00% | +95,769+7.5% | Added |
| Kanen Wealth Management LLC | 1,690,570 | $7.84M | 6.04% | −76,504−4.3% | Reduced |
| Valueworks LLC | 3,374,263 | $15.6M | 5.68% | −9,200−0.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,700,000 | $17.2M | 0.04% | +400,000+12.1% | Added |
| Wexford Capital LP | 22,566,238 | $104.7M | 23.77% | 00.0% | Unchanged |
| Caxton Associates LP | 0 | $0 | 0.00% | −51,785−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −36,242−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −25,100−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −10,403−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −430−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| EA Series Trust | – | – | – | – | Not filed |