Mammoth Energy ServicesTUSK
13F holders, Q2 2024 (June 30)67holders
5new positions
8sold out
2famous investors
$3.28avg. 13F price*
At the end of Q2 2024, 67 institutions reported holding Mammoth Energy Services Inc. (TUSK) in their 13F filings, unchanged from Q1 2024. 5 opened new positions and 8 sold out. The largest holders were Wexford Capital LP ($72.4M), Adage Capital Partners Gp, L.L.C. ($14.4M) and Valueworks LLC ($10.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mammoth Energy Services Inc.
- CUSIP
- 56155L108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $152K |
| Exits | 8 | $354K |
All 13F filers, Q1 2024 → Q2 2024: 388,719 shares bought and 668,938 shares sold, net −280,219 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 67 holders
| Wexford Capital LP | 18.34% | Add +0.2% | 22,078,491 | $72.4M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Add +0.6% | 4,400,000 | $14.4M |
| Valueworks LLC | 3.40% | Reduce -0.2% | 3,336,368 | $10.9M |
| BlackRock Inc. | 0.00% | Reduce -2.3% | 1,410,164 | $4.6M |
| Kanen Wealth Management LLC | 2.69% | Reduce -9.4% | 1,323,442 | $4.3M |
| Royce & Associates LP | 0.04% | Reduce -8.0% | 1,172,984 | $3.8M |
| Dimensional Fund Advisors LP | 0.00% | Add +14.0% | 806,280 | $2.6M |
| Vanguard Group Inc. | 0.00% | Add +7.4% | 777,341 | $2.5M |
| Geode Capital Management, LLC | 0.00% | Add +6.5% | 518,998 | $1.7M |
| Bridgeway Capital Management, LLC | 0.03% | Add +1.4% | 399,103 | $1.3M |
| State Street Corp. | 0.00% | Reduce -2.3% | 398,288 | $1.3M |
| X-Square Capital, LLC | 0.26% | No change | 215,092 | $706K |
| Northern Trust Corp. | 0.00% | Reduce -2.1% | 192,673 | $632K |
| CastleKnight Management LP | 0.08% | No change | 167,433 | $549K |
| Bank of New York Mellon Corp | 0.00% | Add +6.9% | 166,591 | $546K |
| Renaissance Technologies | 0.00% | Reduce -2.7% | 130,672 | $429K |
| Stifel Financial Corp. | 0.00% | No change | 107,072 | $351K |
| Empowered Funds, LLC | 0.00% | Add +7.6% | 79,003 | $259K |
| Invesco Ltd. | 0.00% | Reduce -1.3% | 68,130 | $223K |
| First Trust Advisors LP | 0.00% | Reduce -0.7% | 64,745 | $212K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 63,981 | $210K |
| Penbrook Management LLC | 0.12% | Reduce -4.6% | 61,900 | $203K |
| Lanark Financial, Inc. | 0.02% | Add +6.5% | 58,740 | $192K |
| Long Focus Capital Management, LLC | 0.02% | No change | 57,681 | $189K |
| Osaic Holdings, Inc. | 0.00% | Reduce -3.7% | 54,850 | $180K |
| Acadian Asset Management LLC | 0.00% | Reduce -73.9% | 54,357 | $177K |
| Morgan Stanley | 0.00% | Reduce -5.7% | 49,923 | $164K |
| Goldman Sachs Group Inc. | 0.00% | Add +110.9% | 40,040 | $131K |
| Jane Street Group, LLC | 0.00% | Add +79.5% | 37,098 | $122K |
| Nuveen Asset Management, LLC | 0.00% | No change | 36,843 | $121K |
| Barclays PLC | 0.00% | Reduce -16.5% | 34,578 | $113K |
| Susquehanna International Group, LLP | 0.00% | Reduce -19.9% | 30,906 | $101K |
| Rhumbline Advisers | 0.00% | Add +4.1% | 27,779 | $91K |
| Full Sail Capital, LLC | 0.01% | No change | 27,191 | $89K |
| T. Rowe Price Associates Inc. | 0.00% | Add +2.9% | 24,431 | $81K |
| Gsa Capital Partners LLP | 0.01% | New | 24,478 | $80K |
| JPMorgan Chase & Co. | 0.00% | Reduce -55.5% | 24,339 | $80K |
| NJ State Employees Deferred Compensation Plan | 0.01% | No change | 24,000 | $79K |
| Archer Investment Corp | 0.02% | Add +4.9% | 21,400 | $70K |
| Two Sigma Advisers, LP | 0.00% | Reduce -64.5% | 16,700 | $55K |
| Bank of America Corp. | 0.00% | Add +43.4% | 15,371 | $50K |
| LPL Financial LLC | 0.00% | No change | 13,857 | $45K |
| Corebridge Financial, Inc. | 0.00% | — | 13,073 | $43K |
| UBS Group AG | 0.00% | Reduce -48.3% | 12,054 | $40K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 11,389 | $37K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +761.2% | 11,282 | $37K |
| New York State Common Retirement Fund | 0.00% | Reduce -2.6% | 10,696 | $35K |
| Wells Fargo & Company | 0.00% | Add +29.7% | 10,676 | $35K |
| Citadel Advisors | 0.00% | New | 8,992 | $29K |
| FMR LLC | 0.00% | Add +16.4% | 8,262 | $27K |
| Simplex Trading, LLC | 0.00% | New | 8,061 | $26K |
| Citigroup Inc. | 0.00% | Add +23.5% | 5,657 | $19K |
| Perkins Coie Trust Co | 0.00% | New | 5,000 | $16K |
| BNP Paribas Financial Markets | 0.00% | Reduce -56.2% | 4,937 | $16K |
| Legal & General Group Plc | 0.00% | No change | 2,179 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -89.0% | 2,285 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,924 | $6K |
| California State Teachers Retirement System | 0.00% | Reduce -24.8% | 1,761 | $6K |
| Amalgamated Bank | 0.00% | No change | 785 | $3K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -11.8% | 914 | $3K |
| Barrow Hanley Mewhinney & Strauss LLC | 0.00% | No change | 168 | $551 |
| Qube Research & Technologies Ltd | 0.00% | Reduce -0.6% | 166 | $544 |
| National Bank of Canada | 0.00% | No change | 110 | $356 |
| Farther Finance Advisors, LLC | 0.00% | No change | 103 | $336 |
| Coppell Advisory Solutions LLC | 0.00% | — | 70 | $230 |
| PNC Financial Services Group, Inc. | 0.00% | New | 48 | $157 |
| Cwm, LLC | 0.00% | Add +136.8% | 135 | $0 |
"% of holder's portfolio" is TUSK's weight in each manager's 13F, not the share of Mammoth Energy Services Inc. the manager owns.