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 2022
Institutional positions in Mammoth Energy Services, Inc. as of Dec 31, 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
- 80
- +23 vs. Q3 2022
- Shares held
- 37.4M
- +417.7K (+1.1%) vs. Q3 2022
- Total value
- $323.2M
- +$197.2M (+156.5%) vs. Q3 2022
- New holders
- 26
- 26 more added
- Sold out
- 3
- 15 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 22,485,407 | $194.4M | 39.98% | 00.0% | Unchanged |
| Valueworks LLC | 3,511,692 | $30.4M | 10.73% | +5,902+0.2% | Added |
| Adage Capital Partners GP, L.L.C. | 3,127,268 | $27.1M | 0.06% | +122,385+4.1% | Added |
| Royce & Associates LP | 1,381,294 | $11.9M | 0.13% | −1,622−0.1% | Reduced |
| Kanen Wealth Management LLC | 1,114,576 | $9.64M | 4.93% | +88,404+8.6% | Added |
| Vanguard Group Inc | 503,775 | $4.36M | 0.00% | +33,116+7.0% | Added |
| X-Square Capital, LLC | 390,092 | $3.37M | 1.92% | −110,000−22.0% | Reduced |
| Millennium Management LLC | 343,906 | $2.98M | 0.00% | −558,582−61.9% | Reduced |
| Exencial Wealth Advisors, LLC | 330,360 | $2.86M | 0.16% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 323,185 | $2.79M | 0.00% | +82,041+34.0% | Added |
| Acadian Asset Management LLC | 277,508 | $2.40M | 0.01% | +169,525+157.0% | Added |
| Two Sigma Advisers, LP | 268,100 | $2.32M | 0.01% | +17,700+7.1% | Added |
| EAM Investors, LLC | 244,508 | $2.11M | 0.44% | −145,276−37.3% | Reduced |
| BlackRock Inc. | 243,944 | $2.11M | 0.00% | +6,481+2.7% | Added |
| Renaissance Technologies LLC | 203,672 | $1.76M | 0.00% | +4,200+2.1% | Added |
| Monarch Partners Asset Management LLC | 195,964 | $1.70M | 0.50% | +195,964 | New |
| Geode Capital Management, LLC | 191,148 | $1.65M | 0.00% | −2,857−1.5% | Reduced |
| Intrinsic Edge Capital Management LLC | 177,556 | $1.54M | 0.17% | +23,638+15.4% | Added |
| Russell Investments Group, Ltd. | 165,373 | $1.43M | 0.00% | +4,059+2.5% | Added |
| Bridgeway Capital Management, LLC | 164,600 | $1.42M | 0.04% | 00.0% | Unchanged |
| Marshall Wace, LLP | 162,728 | $1.41M | 0.00% | +7,829+5.1% | Added |
| Two Sigma Investments, LP | 158,923 | $1.37M | 0.00% | +31,806+25.0% | Added |
| Stifel Financial Corp | 107,072 | $926.2K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 84,687 | $732.5K | 0.02% | +47,665+128.7% | Added |
| Susquehanna International Group, LLP | 77,032 | $666.3K | 0.00% | +18,526+31.7% | Added |
| Bank of New York Mellon Corp | 72,649 | $628.4K | 0.00% | +4,059+5.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 70,030 | $605.8K | 0.00% | +11,996+20.7% | Added |
| State Street Corp | 62,614 | $541.6K | 0.00% | +9,000+16.8% | Added |
| HRT Financial LP | 61,993 | $536.0K | 0.01% | +61,993 | New |
| Caxton Associates LP | 59,627 | $515.8K | 0.04% | +59,627 | New |
| Long Focus Capital Management, LLC | 57,681 | $498.9K | 0.08% | −65,000−53.0% | Reduced |
| Barclays PLC | 50,000 | $432.5K | 0.00% | +47,199+1,685.1% | Added |
| O'Shaughnessy Asset Management, LLC | 47,776 | $413.3K | 0.01% | +47,776 | New |
| Citadel Advisors LLC | 45,792 | $396.1K | 0.00% | −4,089−8.2% | Reduced |
| Boston Partners | 45,073 | $389.9K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 41,847 | $361.1K | 0.01% | +41,847 | New |
| Jump Financial, LLC | 41,400 | $358.1K | 0.02% | +25,000+152.4% | Added |
| Jane Street Group, LLC | 35,381 | $306.0K | 0.00% | −3,593−9.2% | Reduced |
| Northern Trust Corp | 34,986 | $302.6K | 0.00% | +6,852+24.4% | Added |
| Simplex Trading, LLC | 34,978 | $302.0K | 0.01% | +31,362+867.3% | Added |
| 683 Capital Management, LLC | 32,070 | $277.4K | 0.03% | +32,070 | New |
| Full Sail Capital, LLC | 27,191 | $235.2K | 0.02% | −40,806−60.0% | Reduced |
| Ritholtz Wealth Management | 25,713 | $222.4K | 0.01% | +25,713 | New |
| Cubist Systematic Strategies, LLC | 24,955 | $215.9K | 0.00% | +24,955 | New |
| NJ State Employees Deferred Compensation Plan | 24,000 | $207.6K | 0.03% | 00.0% | Unchanged |
| Morgan Stanley | 23,330 | $201.8K | 0.00% | +16,769+255.6% | Added |
| Hillsdale Investment Management Inc. | 18,600 | $160.9K | 0.01% | +18,600 | New |
| Price T Rowe Associates Inc | 18,000 | $156.0K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 17,830 | $154.2K | 0.01% | −2,950−14.2% | Reduced |
| Goldman Sachs Group Inc | 17,297 | $149.6K | 0.00% | +17,297 | New |
| Qube Research & Technologies Ltd | 15,521 | $134.3K | 0.00% | +15,521 | New |
| Man Group plc | 15,365 | $132.9K | 0.00% | +15,365 | New |
| HSBC Holdings PLC | 13,471 | $115.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 13,270 | $114.8K | 0.00% | +13,270 | New |
| Los Angeles Capital Management LLC | 13,261 | $114.7K | 0.00% | +13,261 | New |
| Wolverine Trading, LLC | 12,905 | $112.0K | 0.00% | +12,905 | New |
| Archer Investment Corp | 11,000 | $95.2K | 0.04% | +5,000+83.3% | Added |
| Mad River Investors | 10,700 | $93.0K | 0.05% | −550−4.9% | Reduced |
| Charles Schwab Investment Management Inc | 10,739 | $92.9K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 10,107 | $87.4K | 0.00% | −4,608−31.3% | Reduced |
| Advisor Group Holdings, Inc. | 9,120 | $78.6K | 0.00% | +7,005+331.2% | Added |
| FMR LLC | 6,226 | $53.9K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 2,477 | $21.4K | 0.00% | +2,477 | New |
| Point72 Asset Management, L.P. | 2,475 | $21.4K | 0.00% | +2,475 | New |
| GWM Advisors LLC | 2,231 | $16.7K | 0.00% | −22,769−91.1% | Reduced |
| Belvedere Trading LLC | 1,823 | $15.8K | 0.01% | +1,823 | New |
| Tower Research Capital LLC (TRC) | 1,458 | $13.0K | 0.00% | −23,192−94.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,400 | $12.1K | 0.00% | +1,400 | New |
| Advisory Services Network, LLC | 500 | $4.33K | 0.00% | +500 | New |
| Harbour Investments, Inc. | 490 | $4.24K | 0.00% | +490 | New |
| BNP Paribas Arbitrage, SA | 383 | $3.31K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 361 | $3.12K | 0.00% | +235+186.5% | Added |
| Signaturefd, LLC | 180 | $1.56K | 0.00% | +180 | New |
| Coppell Advisory Solutions LLC | 166 | $1.44K | 0.00% | +166 | New |
| Coppell Advisory Solutions Corp. | 166 | $1.44K | 0.00% | +166 | New |
| NewSquare Capital LLC | 100 | $865 | 0.00% | +100 | New |
| Bank of America Corp | 11 | $95 | 0.00% | −792−98.6% | Reduced |
| JPMorgan Chase & Co | 16 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 18 | $0 | 0.00% | +18 | New |
| IFP Advisors, Inc | 200 | – | – | 00.0% | Unchanged |
| Virtu Financial LLC | 0 | $0 | 0.00% | −23,259−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −5,915−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −114−100.0% | Sold out |
| American Portfolios Advisors | – | – | – | – | Not filed |