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.
Q2 2025 vs. Q1 2025
How the institutions holding Mammoth Energy Services, Inc. changed between Q1 2025 and Q2 2025.
All holders in Q2 2025All holders in Q1 2025
| Measure | Q1 2025 | Q2 2025 | Change |
|---|---|---|---|
| Holders | 66 | 66 | 0 |
| Shares | 37.3M | 36.4M | −912.9K (−2.4%) |
| Value | $76.1M | $101.9M | +$25.8M (+33.9%) |
New holders (6)
Institutions that held Mammoth Energy Services, Inc. at the end of Q2 2025 but not at the end of Q1 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Marshall Wace, LLP | 57,436 | $160.8K | 0.00% |
| XTX Topco Ltd | 36,662 | $102.7K | 0.00% |
| Wealth Enhancement Advisory Services, LLC | 12,121 | $33.9K | 0.00% |
| Alliancebernstein L.P. | 10,190 | $28.5K | 0.00% |
| Police & Firemen's Retirement System of New Jersey | 9,637 | $27.0K | 0.00% |
| Essential Partners LLC | 3 | $8 | 0.00% |
Sold out (6)
Institutions that held Mammoth Energy Services, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.
| Institution | Shares, Q1 2025 | Value, Q1 2025 |
|---|---|---|
| Rangeley Capital, LLC | 205,880 | $420.0K |
| Gsa Capital Partners LLP | 12,029 | $25.0K |
| PDT Partners, LLC | 12,074 | $24.6K |
| Corebridge Financial, Inc. | 11,904 | $24.3K |
| Wolverine Trading, LLC | 10,872 | $22.9K |
| IFP Advisors, Inc | 0 | $10 |