Mammoth Energy Services, Inc. Common Stock (TUSK)
OIL & GAS FIELD SERVICES, NEC
Mammoth Energy Services, Inc. Common Stock (TUSK) is listed on Nasdaq, where it has traded since October 14, 2016.
- Listed On
- Nasdaq
- Listed Since
- October 14, 2016
- Employees
- 115
- Market Cap
- $143M
About Mammoth Energy Services, Inc. Common Stock
Mammoth Energy Services Inc is an integrated energy services company engaged in providing products and services to enable the exploration and development of North American onshore unconventional oil and natural gas reserves as well as the construction and repair of the electric grid for private utilities, public investor-owned utilities, and co-operative utilities through infrastructure services businesses. The company had three reportable segments, which includes rental services, infrastructure services, natural sand proppant services, accommodation services, and drilling services.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 91 institutions reported holding TUSK, with 26.1 million shares worth $84.7 million in aggregate. The largest reported holder was Wexford Capital, with 12.1 million shares worth $39.2 million. Of the 5 largest holders listed below, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Wexford Capital | 12,071,823 | $39M | Reduced 45.3% |
| Adage Capital Partners GP, | 4,575,000 | $15M | Unchanged |
| Vanguard | 1,230,168 | $4M | Added 23.26% |
| Peapod Lane Capital | 807,804 | $3M | Added 34.68% |
| Dimensional Fund Advisors | 691,667 | $2M | Added 0.8% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is TUSK?
Mammoth Energy Services, Inc. Common Stock (TUSK) is listed on Nasdaq, where it has traded since October 14, 2016.
Who are the largest institutional holders of TUSK?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of TUSK were Wexford Capital, Adage Capital Partners GP, and Vanguard.
How many institutions own TUSK?
91 institutions reported a position in TUSK for the quarter ended June 30, 2026, worth $84.7 million in total.
Did institutions buy or sell TUSK last quarter?
Of the 5 largest reported holders, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for TUSK.
Every reported institutional holder, plus insider and congressional trades in TUSK, on SentiSense.