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 2024
Institutional positions in Mammoth Energy Services, Inc. as of Jun 30, 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
- 0 vs. Q1 2024
- Shares held
- 38.7M
- −255.7K (−0.7%) vs. Q1 2024
- Total value
- $127.0M
- −$14.9M (−10.5%) vs. Q1 2024
- New holders
- 8
- 20 more added
- Sold out
- 8
- 24 more reduced
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 22,078,491 | $72.4M | 18.34% | +47,619+0.2% | Added |
| Adage Capital Partners GP, L.L.C. | 4,400,000 | $14.4M | 0.03% | +25,000+0.6% | Added |
| Valueworks LLC | 3,336,368 | $10.9M | 3.40% | −7,250−0.2% | Reduced |
| BlackRock Inc. | 1,410,164 | $4.63M | 0.00% | −33,451−2.3% | Reduced |
| Kanen Wealth Management LLC | 1,323,442 | $4.34M | 2.69% | −136,709−9.4% | Reduced |
| Royce & Associates LP | 1,172,984 | $3.85M | 0.04% | −101,581−8.0% | Reduced |
| Dimensional Fund Advisors LP | 806,280 | $2.64M | 0.00% | +99,093+14.0% | Added |
| Vanguard Group Inc | 777,341 | $2.55M | 0.00% | +53,569+7.4% | Added |
| Geode Capital Management, LLC | 518,998 | $1.70M | 0.00% | +31,643+6.5% | Added |
| Bridgeway Capital Management, LLC | 399,103 | $1.31M | 0.03% | +5,580+1.4% | Added |
| State Street Corp | 398,288 | $1.31M | 0.00% | −9,378−2.3% | Reduced |
| X-Square Capital, LLC | 215,092 | $706.0K | 0.33% | 00.0% | Unchanged |
| Northern Trust Corp | 192,673 | $632.0K | 0.00% | −4,092−2.1% | Reduced |
| CastleKnight Management LP | 167,433 | $549.2K | 0.07% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 166,591 | $546.4K | 0.00% | +10,796+6.9% | Added |
| Renaissance Technologies LLC | 130,672 | $428.6K | 0.00% | −3,600−2.7% | Reduced |
| Stifel Financial Corp | 107,072 | $351.2K | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 79,003 | $259.1K | 0.00% | +5,580+7.6% | Added |
| Invesco Ltd. | 68,130 | $223.5K | 0.00% | −905−1.3% | Reduced |
| First Trust Advisors LP | 64,745 | $212.4K | 0.00% | −465−0.7% | Reduced |
| Charles Schwab Investment Management Inc | 63,981 | $209.9K | 0.00% | 00.0% | Unchanged |
| Penbrook Management LLC | 61,900 | $203.0K | 0.12% | −3,000−4.6% | Reduced |
| NBC Securities, Inc. | 58,740 | $192.0K | 0.02% | +3,600+6.5% | Added |
| Long Focus Capital Management, LLC | 57,681 | $189.2K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 54,850 | $179.9K | 0.00% | −2,115−3.7% | Reduced |
| Acadian Asset Management LLC | 54,357 | $177.0K | 0.00% | −153,604−73.9% | Reduced |
| Morgan Stanley | 49,923 | $163.7K | 0.00% | −3,030−5.7% | Reduced |
| Goldman Sachs Group Inc | 40,040 | $131.3K | 0.00% | +21,051+110.9% | Added |
| Jane Street Group, LLC | 37,098 | $121.7K | 0.00% | +16,433+79.5% | Added |
| Nuveen Asset Management, LLC | 36,843 | $120.8K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 34,578 | $113.4K | 0.00% | −6,845−16.5% | Reduced |
| Susquehanna International Group, LLP | 30,906 | $101.4K | 0.00% | −7,695−19.9% | Reduced |
| Rhumbline Advisers | 27,779 | $91.1K | 0.00% | +1,098+4.1% | Added |
| Full Sail Capital, LLC | 27,191 | $89.2K | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 24,431 | $81.0K | 0.00% | +696+2.9% | Added |
| Gsa Capital Partners LLP | 24,478 | $80.0K | 0.01% | +24,478 | New |
| JPMorgan Chase & Co | 24,339 | $79.8K | 0.00% | −30,354−55.5% | Reduced |
| NJ State Employees Deferred Compensation Plan | 24,000 | $78.7K | 0.01% | 00.0% | Unchanged |
| Archer Investment Corp | 21,400 | $70.2K | 0.02% | +1,000+4.9% | Added |
| Two Sigma Advisers, LP | 16,700 | $54.8K | 0.00% | −30,400−64.5% | Reduced |
| Bank of America Corp | 15,371 | $50.4K | 0.00% | +4,648+43.3% | Added |
| LPL Financial LLC | 13,857 | $45.5K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 13,073 | $42.9K | 0.00% | +13,073 | New |
| UBS Group AG | 12,054 | $39.5K | 0.00% | −11,241−48.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 11,389 | $37.4K | 0.00% | +11,389 | New |
| Tower Research Capital LLC (TRC) | 11,282 | $37.0K | 0.00% | +9,972+761.2% | Added |
| New York State Common Retirement Fund | 10,696 | $35.1K | 0.00% | −283−2.6% | Reduced |
| Wells Fargo & Company | 10,676 | $35.0K | 0.00% | +2,444+29.7% | Added |
| Citadel Advisors LLC | 8,992 | $29.5K | 0.00% | +8,992 | New |
| FMR LLC | 8,262 | $27.1K | 0.00% | +1,164+16.4% | Added |
| Simplex Trading, LLC | 8,061 | $26.0K | 0.00% | +8,061 | New |
| Citigroup Inc | 5,657 | $18.6K | 0.00% | +1,076+23.5% | Added |
| Perkins Coie Trust Co | 5,000 | $16.4K | 0.00% | +5,000 | New |
| BNP Paribas Arbitrage, SA | 4,937 | $16.2K | 0.00% | −6,328−56.2% | Reduced |
| Legal & General Group Plc | 2,179 | $7.15K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,285 | $7.00K | 0.00% | −18,536−89.0% | Reduced |
| Ameritas Investment Partners, Inc. | 1,924 | $6.31K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,761 | $5.78K | 0.00% | −581−24.8% | Reduced |
| Amalgamated Bank | 785 | $3.00K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 914 | $3.00K | 0.00% | −122−11.8% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 168 | $551 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 166 | $544 | 0.00% | −1−0.6% | Reduced |
| National Bank of Canada | 110 | $356 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 103 | $336 | 0.00% | 00.0% | Unchanged |
| Coppell Advisory Solutions LLC | 70 | $230 | 0.00% | +70 | New |
| The PNC Financial Services Group, Inc. | 48 | $157 | 0.00% | +48 | New |
| CWM, LLC | 135 | $0 | 0.00% | +78+136.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −36,509−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −19,247−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −16,976−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −12,990−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −11,482−100.0% | Sold out |
| Perritt Capital Management Inc | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |