Who Owns Mammoth Energy Services Stock?
NASDAQ: TUSKEnergyOilfield Services/EquipmentUSD
Market open · Delayed 15 min · as of Oct 9, 11:12 AM ET
Ownership breakdown
- Held by institutions
- 54.37%
- Held by insiders
- 15.78%
- Institutional holders
- 114
- Institutions 54.4%
- Insiders 15.8%
- Public and other 29.9%
Who owns Mammoth Energy Services stock?
Institutional investors own about 54.4% of Mammoth Energy Services's shares, spread across 114 institutions that file 13F reports. That level of institutional ownership is moderate. Insiders, including executives, directors and large founding shareholders, hold 15.78% of TUSK.
The largest institutional holders are Wexford Capital LP (25.08%), Adage Capital Partners GP L.L.C. (9.51%) and Vanguard Capital Management LLC (2.20%). Together, the top 10 institutions control 44.4% of shares outstanding. In their latest filings, 7 of the top 10 institutions increased their TUSK positions and 2 reduced them.
Summary generated from market data by MetaCap's automated system. Methodology
Top institutional holders of TUSK
| Institution | Shares | % Held | Change |
|---|---|---|---|
| Wexford Capital LP | 12.07M | 25.08% | -45.3% |
| Adage Capital Partners GP L.L.C. | 4.58M | 9.51% | 0.0% |
| Vanguard Capital Management LLC | 1.06M | 2.20% | +29.4% |
| Peapod Lane Capital LLC | 807.80K | 1.68% | +34.7% |
| Dimensional Fund Advisors LP | 691.67K | 1.44% | +0.8% |
| Jane Street Group, LLC | 506.66K | 1.05% | +2116.9% |
| Citadel Advisors Llc | 452.16K | 0.94% | +36.5% |
| Blackrock Inc. | 407.98K | 0.85% | -72.0% |
| Marshall Wace LLP | 395.58K | 0.82% | +100.0% |
| Johns Hopkins University | 387.36K | 0.80% | +100.0% |
% held is the share of total shares outstanding. Change is the percentage change in the position since the holder's previous 13F filing.
Top mutual fund and ETF holders of TUSK
| Fund | Shares | % Held |
|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 767.90K | 1.60% |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 270.94K | 0.56% |
| EA Series Trust-EA Bridgeway Omni Small-Cap Value ETF | 241.31K | 0.50% |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Small Cap Portfolio | 156.44K | 0.33% |
| Dimensional ETF Trust-Dimensional U.S. Small Cap ETF | 154.80K | 0.32% |
| RUSSELL INVESTMENT CO-U.S. Small Cap Equity Fund | 139.50K | 0.29% |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 129.38K | 0.27% |
| VANGUARD SCOTTSDALE FUNDS-Vanguard Russell 2000 Index Fund | 123.59K | 0.26% |
| Dunham Funds-Dunham Small Cap Value Fund | 91.27K | 0.19% |
| iShares Trust-iShares Micro-Cap ETF | 86.18K | 0.18% |
Frequently asked questions
Who is the largest shareholder of Mammoth Energy Services?
Wexford Capital LP is the largest institutional shareholder of TUSK, owning 25.08% of shares outstanding (12.07M shares) as of its latest 13F filing.
What percentage of Mammoth Energy Services is owned by institutions?
Institutions own about 54.4% of TUSK shares and 64.6% of the public float.
How much of Mammoth Energy Services do insiders own?
Insiders, such as officers and directors, own about 15.78% of TUSK shares outstanding.
Where does institutional ownership data come from?
Investment managers with more than $100 million in US equities must file Form 13F with the SEC within 45 days of each quarter-end. Holdings are therefore up to about 4.5 months old when published.