Mammoth Energy ServicesTUSK
13F holders, Q4 2024 (December 31)66holders +2
7new positions
7sold out
2famous investors
$3.00avg. 13F price*
At the end of Q4 2024, 66 institutions reported holding Mammoth Energy Services Inc. (TUSK) in their 13F filings, up 2 from Q3 2024. 7 opened new positions and 7 sold out. The largest holders were Wexford Capital LP ($66.2M), Adage Capital Partners Gp, L.L.C. ($12.3M) and Valueworks LLC ($8.5M). 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $164K |
| Exits | 7 | $471K |
All 13F filers, Q3 2024 → Q4 2024: 586,002 shares bought and 548,886 shares sold, net +37,116 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 66 holders
| Wexford Capital LP | 16.95% | No change | 22,068,212 | $66.2M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Add +1.1% | 4,100,000 | $12.3M |
| Valueworks LLC | 2.82% | Reduce -10.0% | 2,823,185 | $8.5M |
| BlackRock, Inc. | 0.00% | Add +0.8% | 1,475,885 | $4.4M |
| Royce & Associates LP | 0.04% | Add +7.3% | 1,449,922 | $4.3M |
| Dimensional Fund Advisors LP | 0.00% | Add +11.0% | 991,223 | $3.0M |
| Vanguard Group Inc. | 0.00% | Add +0.3% | 946,697 | $2.8M |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 537,376 | $1.6M |
| Bridgeway Capital Management, LLC | 0.03% | Add +14.1% | 460,274 | $1.4M |
| Rangeley Capital, LLC | 1.25% | — | 432,338 | $1.3M |
| State Street Corp. | 0.00% | Reduce -0.3% | 402,363 | $1.2M |
| Northern Trust Corp. | 0.00% | Add +2.1% | 206,039 | $618K |
| CastleKnight Management LP | 0.06% | No change | 167,433 | $502K |
| Empowered Funds, LLC | 0.01% | Add +76.3% | 146,574 | $440K |
| Renaissance Technologies | 0.00% | Reduce -0.1% | 133,572 | $401K |
| Bank of New York Mellon Corp | 0.00% | Reduce -18.2% | 121,993 | $366K |
| Stifel Financial Corp. | 0.00% | Add +0.1% | 105,625 | $317K |
| Morgan Stanley | 0.00% | Add +2.4% | 90,979 | $273K |
| Goldman Sachs Group Inc. | 0.00% | Add +50.4% | 89,442 | $268K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +11.1% | 70,674 | $212K |
| JPMorgan Chase & Co. | 0.00% | Add +465.2% | 63,079 | $189K |
| Barclays PLC | 0.00% | Add +7.8% | 61,549 | $185K |
| Susquehanna International Group, LLP | 0.00% | Reduce -25.2% | 59,552 | $179K |
| Osaic Holdings, Inc. | 0.00% | Add +8.6% | 59,550 | $179K |
| Wellington Management Group LLP | 0.00% | Add +3.1% | 49,561 | $149K |
| Citigroup Inc. | 0.00% | Add +88.7% | 38,171 | $115K |
| Nuveen Asset Management, LLC | 0.00% | No change | 36,843 | $111K |
| UBS Group AG | 0.00% | Add +13.9% | 27,888 | $84K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 26,473 | $80K |
| Rhumbline Advisers | 0.00% | Reduce -2.2% | 24,534 | $74K |
| NJ State Employees Deferred Compensation Plan | 0.01% | No change | 24,000 | $72K |
| Bank of America Corp. | 0.00% | Add +45.8% | 22,882 | $69K |
| Penbrook Management LLC | 0.05% | Reduce -32.1% | 22,200 | $67K |
| Citadel Advisors | 0.00% | Reduce -72.6% | 17,865 | $54K |
| Jane Street Group, LLC | 0.00% | Reduce -16.1% | 15,550 | $47K |
| PDT Partners, LLC | 0.00% | New | 15,450 | $46K |
| Wells Fargo & Company | 0.00% | Add +27.9% | 14,263 | $43K |
| Marshall Wace, LLP | 0.00% | New | 14,163 | $42K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 13,970 | $42K |
| Occudo Quantitative Strategies LP | 0.01% | New | 13,749 | $41K |
| SG Americas Securities, LLC | 0.00% | Add +21.6% | 12,584 | $38K |
| Archer Investment Corp | 0.01% | No change | 12,400 | $37K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.0% | 12,080 | $36K |
| New York State Common Retirement Fund | 0.00% | No change | 10,696 | $32K |
| Invesco Ltd. | 0.00% | New | 10,122 | $30K |
| LPL Financial LLC | 0.00% | Reduce -35.4% | 10,057 | $30K |
| FMR LLC | 0.00% | Reduce -15.3% | 9,290 | $28K |
| Royal Bank of Canada | 0.00% | Add +53.0% | 5,332 | $16K |
| BNP Paribas Financial Markets | 0.00% | Reduce -19.7% | 5,220 | $16K |
| Union Bancaire Privee, UBP SA | 0.00% | — | 4,230 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +87.6% | 3,641 | $11K |
| Legal & General Group Plc | 0.00% | No change | 2,179 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,924 | $6K |
| California State Teachers Retirement System | 0.00% | No change | 1,761 | $5K |
| Simplex Trading, LLC | 0.00% | New | 1,305 | $3K |
| US Bancorp \de | 0.00% | No change | 833 | $2K |
| Sterling Capital Management LLC | 0.00% | Add +971.4% | 825 | $2K |
| Amalgamated Bank | 0.00% | No change | 785 | $2K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -66.4% | 341 | $1K |
| SBI Securities Co., Ltd. | 0.00% | — | 120 | $360 |
| National Bank of Canada | 0.00% | No change | 110 | $330 |
| Coppell Advisory Solutions LLC | 0.00% | No change | 70 | $195 |
| Lanark Financial, Inc. | 0.02% | — | 56 | $170 |
| Nisa Investment Advisors, LLC | 0.00% | New | 53 | $159 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 48 | $144 |
| Cwm, LLC | 0.00% | Reduce -74.5% | 93 | $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.