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, Q1 2024
Institutional positions in Mammoth Energy Services, Inc. as of Mar 31, 2024. 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
- +1 vs. Q4 2023
- Shares held
- 39.0M
- −334.0K (−0.8%) vs. Q4 2023
- Total value
- $141.9M
- −$33.5M (−19.1%) vs. Q4 2023
- New holders
- 7
- 18 more added
- Sold out
- 6
- 31 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 22,030,872 | $80.2M | 16.38% | +10.0% | Added |
| Adage Capital Partners GP, L.L.C. | 4,375,000 | $15.9M | 0.03% | +100,000+2.3% | Added |
| Valueworks LLC | 3,343,618 | $12.1M | 3.94% | −6,100−0.2% | Reduced |
| Kanen Wealth Management LLC | 1,460,151 | $5.31M | 3.38% | −230,419−13.6% | Reduced |
| BlackRock Inc. | 1,443,615 | $5.25M | 0.00% | −53,330−3.6% | Reduced |
| Royce & Associates LP | 1,274,565 | $4.64M | 0.04% | −9,886−0.8% | Reduced |
| Vanguard Group Inc | 723,772 | $2.63M | 0.00% | +17,369+2.5% | Added |
| Dimensional Fund Advisors LP | 707,187 | $2.57M | 0.00% | +62,201+9.6% | Added |
| Geode Capital Management, LLC | 487,355 | $1.77M | 0.00% | +3,604+0.7% | Added |
| State Street Corp | 407,666 | $1.48M | 0.00% | +2,600+0.6% | Added |
| Bridgeway Capital Management, LLC | 393,523 | $1.43M | 0.03% | +30,425+8.4% | Added |
| X-Square Capital, LLC | 215,092 | $783.0K | 0.37% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 207,961 | $756.0K | 0.00% | −36,021−14.8% | Reduced |
| Northern Trust Corp | 196,765 | $716.2K | 0.00% | +1,787+0.9% | Added |
| CastleKnight Management LP | 167,433 | $609.5K | 0.09% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 155,795 | $567.1K | 0.00% | −4,142−2.6% | Reduced |
| Renaissance Technologies LLC | 134,272 | $489.0K | 0.00% | −8,700−6.1% | Reduced |
| Stifel Financial Corp | 107,072 | $389.7K | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 73,423 | $267.3K | 0.00% | +5,425+8.0% | Added |
| Invesco Ltd. | 69,035 | $251.3K | 0.00% | −29,616−30.0% | Reduced |
| First Trust Advisors LP | 65,210 | $237.4K | 0.00% | +1,972+3.1% | Added |
| Penbrook Management LLC | 64,900 | $236.2K | 0.15% | −12,000−15.6% | Reduced |
| Charles Schwab Investment Management Inc | 63,981 | $232.9K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 55,140 | $211.0K | 0.02% | −3,600−6.1% | Reduced |
| Long Focus Capital Management, LLC | 57,681 | $210.0K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 56,965 | $207.4K | 0.00% | −23,000−28.8% | Reduced |
| JPMorgan Chase & Co | 54,693 | $199.1K | 0.00% | +31,349+134.3% | Added |
| Morgan Stanley | 52,953 | $192.7K | 0.00% | −2,216−4.0% | Reduced |
| Two Sigma Advisers, LP | 47,100 | $171.4K | 0.00% | −40,200−46.0% | Reduced |
| Barclays PLC | 41,423 | $150.8K | 0.00% | −16,304−28.2% | Reduced |
| Susquehanna International Group, LLP | 38,601 | $140.5K | 0.00% | +38,601 | New |
| Nuveen Asset Management, LLC | 36,843 | $134.1K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 36,509 | $132.9K | 0.00% | −17,638−32.6% | Reduced |
| Full Sail Capital, LLC | 27,191 | $99.0K | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 26,681 | $97.1K | 0.00% | +506+1.9% | Added |
| NJ State Employees Deferred Compensation Plan | 24,000 | $87.4K | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 23,735 | $87.0K | 0.00% | +409+1.8% | Added |
| UBS Group AG | 23,295 | $84.8K | 0.00% | −2,210−8.7% | Reduced |
| Royal Bank of Canada | 20,821 | $76.0K | 0.00% | −12,606−37.7% | Reduced |
| Jane Street Group, LLC | 20,665 | $75.2K | 0.00% | −4,253−17.1% | Reduced |
| Archer Investment Corp | 20,400 | $74.3K | 0.02% | −1,000−4.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 19,247 | $70.1K | 0.00% | −8,989−31.8% | Reduced |
| Goldman Sachs Group Inc | 18,989 | $69.1K | 0.00% | −1,261−6.2% | Reduced |
| Winton Group Ltd | 16,976 | $61.8K | 0.00% | −19,853−53.9% | Reduced |
| LPL Financial LLC | 13,857 | $50.4K | 0.00% | −750−5.1% | Reduced |
| Panagora Asset Management Inc | 12,990 | $47.3K | 0.00% | +12,990 | New |
| American International Group, Inc. | 11,482 | $41.8K | 0.00% | −99−0.9% | Reduced |
| BNP Paribas Arbitrage, SA | 11,265 | $41.0K | 0.00% | +4,035+55.8% | Added |
| New York State Common Retirement Fund | 10,979 | $40.0K | 0.00% | +277+2.6% | Added |
| Bank of America Corp | 10,723 | $39.0K | 0.00% | −14,635−57.7% | Reduced |
| Wells Fargo & Company | 8,232 | $30.0K | 0.00% | +1,057+14.7% | Added |
| FMR LLC | 7,098 | $25.8K | 0.00% | −883−11.1% | Reduced |
| Citigroup Inc | 4,581 | $16.7K | 0.00% | +1,083+31.0% | Added |
| California State Teachers Retirement System | 2,342 | $8.53K | 0.00% | −1,493−38.9% | Reduced |
| Legal & General Group Plc | 2,179 | $7.93K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,924 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,310 | $4.77K | 0.00% | −1,746−57.1% | Reduced |
| Russell Investments Group, Ltd. | 1,036 | $3.77K | 0.00% | +509+96.6% | Added |
| Amalgamated Bank | 785 | $3.00K | 0.00% | −1,247−61.4% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 168 | $612 | 0.00% | −365−68.5% | Reduced |
| Qube Research & Technologies Ltd | 167 | $608 | 0.00% | +167 | New |
| Perritt Capital Management Inc | 130 | $473 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 103 | $380 | 0.00% | +103 | New |
| National Bank of Canada | 110 | $368 | 0.00% | −600−84.5% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 4 | $14 | 0.00% | +4 | New |
| CWM, LLC | 57 | $0 | 0.00% | +57 | New |
| Capital Advisors, Ltd. LLC | 34 | $0 | 0.00% | +34 | New |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −35,792−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −15,016−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −12,699−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,248−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −10,188−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |