Mammoth Energy ServicesTUSK
13F holders, Q3 2024 (September 30)64holders −3
6new positions
10sold out
2famous investors
$4.09avg. 13F price*
At the end of Q3 2024, 64 institutions reported holding Mammoth Energy Services Inc. (TUSK) in their 13F filings, down 3 from Q2 2024. 6 opened new positions and 10 sold out. The largest holders were Wexford Capital LP ($90.3M), Adage Capital Partners Gp, L.L.C. ($16.6M) and Valueworks LLC ($12.8M). 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $348K |
| Exits | 10 | $5.7M |
All 13F filers, Q2 2024 → Q3 2024: 778,017 shares bought and 2,433,949 shares sold, net −1,655,932 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 64 holders
| Wexford Capital LP | 21.60% | Reduce -0.1% | 22,068,212 | $90.3M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Reduce -7.9% | 4,053,723 | $16.6M |
| Valueworks LLC | 4.09% | Reduce -6.0% | 3,136,371 | $12.8M |
| BlackRock, Inc. | 0.00% | — | 1,464,112 | $6.0M |
| Royce & Associates LP | 0.05% | Add +15.2% | 1,351,224 | $5.5M |
| Vanguard Group Inc. | 0.00% | Add +21.5% | 944,344 | $3.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +10.8% | 892,928 | $3.7M |
| Geode Capital Management, LLC | 0.00% | Add +1.9% | 528,850 | $2.2M |
| State Street Corp. | 0.00% | Add +1.4% | 403,688 | $1.7M |
| Bridgeway Capital Management, LLC | 0.04% | Add +1.0% | 403,257 | $1.6M |
| Northern Trust Corp. | 0.00% | Add +4.8% | 201,864 | $826K |
| CastleKnight Management LP | 0.08% | No change | 167,433 | $685K |
| Bank of New York Mellon Corp | 0.00% | Reduce -10.4% | 149,184 | $610K |
| Renaissance Technologies | 0.00% | Add +2.3% | 133,672 | $547K |
| Stifel Financial Corp. | 0.00% | Reduce -1.4% | 105,572 | $432K |
| Morgan Stanley | 0.00% | Add +77.9% | 88,816 | $363K |
| Empowered Funds, LLC | 0.01% | Add +5.3% | 83,157 | $340K |
| Susquehanna International Group, LLP | 0.00% | Add +157.7% | 79,636 | $326K |
| Citadel Advisors | 0.00% | Add +626.1% | 65,290 | $267K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.6% | 63,610 | $260K |
| Goldman Sachs Group Inc. | 0.00% | Add +48.5% | 59,454 | $243K |
| Lanark Financial, Inc. | 0.02% | No change | 58,740 | $240K |
| Long Focus Capital Management, LLC | 0.02% | No change | 57,681 | $236K |
| Barclays PLC | 0.00% | Add +65.1% | 57,081 | $233K |
| Osaic Holdings, Inc. | 0.00% | No change | 54,850 | $224K |
| Wellington Management Group LLP | 0.00% | New | 48,071 | $197K |
| Nuveen Asset Management, LLC | 0.00% | No change | 36,843 | $151K |
| Penbrook Management LLC | 0.09% | Reduce -47.2% | 32,700 | $134K |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.4% | 26,473 | $109K |
| Acadian Asset Management LLC | 0.00% | Reduce -51.3% | 26,449 | $108K |
| Rhumbline Advisers | 0.00% | Reduce -9.7% | 25,096 | $103K |
| UBS Group AG | 0.00% | Add +103.2% | 24,492 | $100K |
| NJ State Employees Deferred Compensation Plan | 0.01% | No change | 24,000 | $98K |
| Citigroup Inc. | 0.00% | Add +257.5% | 20,225 | $83K |
| Jane Street Group, LLC | 0.00% | Reduce -50.0% | 18,544 | $76K |
| Bank of America Corp. | 0.00% | Add +2.1% | 15,690 | $64K |
| LPL Financial LLC | 0.00% | Add +12.3% | 15,557 | $64K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +17.3% | 13,362 | $55K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 12,993 | $53K |
| Squarepoint Ops LLC | 0.00% | New | 12,990 | $53K |
| XTX Topco Ltd | 0.00% | New | 12,964 | $53K |
| Archer Investment Corp | 0.01% | Reduce -42.1% | 12,400 | $51K |
| JPMorgan Chase & Co. | 0.00% | Reduce -54.1% | 11,160 | $46K |
| Wells Fargo & Company | 0.00% | Add +4.5% | 11,156 | $46K |
| FMR LLC | 0.00% | Add +32.7% | 10,967 | $45K |
| New York State Common Retirement Fund | 0.00% | No change | 10,696 | $44K |
| SG Americas Securities, LLC | 0.00% | New | 10,345 | $42K |
| BNP Paribas Financial Markets | 0.00% | Add +31.7% | 6,504 | $27K |
| Perkins Coie Trust Co | 0.00% | No change | 5,000 | $20K |
| Royal Bank of Canada | 0.00% | Add +52.5% | 3,484 | $14K |
| Legal & General Group Plc | 0.00% | No change | 2,179 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -82.8% | 1,941 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,924 | $8K |
| California State Teachers Retirement System | 0.00% | No change | 1,761 | $7K |
| Russell Investments Group, Ltd. | 0.00% | Add +10.9% | 1,014 | $4K |
| US Bancorp \de | 0.00% | New | 833 | $3K |
| Amalgamated Bank | 0.00% | No change | 785 | $3K |
| Cwm, LLC | 0.00% | Add +170.4% | 365 | $1K |
| National Bank of Canada | 0.00% | No change | 110 | $450 |
| Farther Finance Advisors, LLC | 0.00% | No change | 103 | $421 |
| Sterling Capital Management LLC | 0.00% | — | 77 | $315 |
| Coppell Advisory Solutions LLC | 0.00% | No change | 70 | $287 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 48 | $196 |
| Earned Wealth Advisors, LLC | 0.00% | New | 13 | $53 |
"% of holder's portfolio" is TUSK's weight in each manager's 13F, not the share of Mammoth Energy Services Inc. the manager owns.