Mammoth Energy Services Ownership | Who Owns Mammoth Energy Services?
Mammoth Energy Services Ownership Summary
Mammoth Energy Services is owned by 58.37% institutional investors, 2.26% insiders, and 39.37% retail investors. Wexford capital lp is the largest institutional shareholder, holding 45.82% of TUSK shares. Royce Small-Cap Opportunity Invmt is the top mutual fund, with 1.41% of its assets in Mammoth Energy Services shares.
TUSK Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Mammoth Energy Services | 58.37% | 2.26% | 39.37% |
| Sector | Industrials Stocks | 47.66% | 12.52% | 39.82% |
| Industry | Conglomerate Stocks | 31.38% | 15.43% | 53.19% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Wexford capital lp | 22.10M | 45.82% | $50.60M |
| Adage capital partners gp | 4.58M | 9.49% | $10.48M |
| Valueworks | 2.04M | 4.23% | $4.67M |
| Blackrock funding, inc. /de | 1.47M | 3.05% | $2.73M |
| Blackrock | 1.41M | 2.94% | $4.63M |
| Vanguard group | 1.02M | 2.11% | $1.89M |
| Dimensional fund advisors lp | 699.68K | 1.45% | $1.29M |
| Geode capital management | 585.72K | 1.21% | $1.08M |
| State street | 406.92K | 0.84% | $931.84K |
| Bridgeway capital management | 389.96K | 0.81% | $893.02K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Wexford capital lp | 22.10M | 7.27% | $50.60M |
| Valueworks | 2.04M | 1.36% | $4.67M |
| Bridgeway capital management | 389.96K | 0.02% | $893.02K |
| Adage capital partners gp | 4.58M | 0.02% | $10.48M |
| Castleknight management lp | 167.43K | 0.01% | $383.42K |
| Nj state employees deferred compensation plan | 24.00K | 0.01% | $54.96K |
| Archer investment | 11.20K | 0.00% | $20.72K |
| Empowered funds | 218.99K | 0.00% | $405.13K |
| Xtx topco | 25.08K | 0.00% | $57.44K |
| Virtu financial | 14.15K | 0.00% | $32.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Morgan stanley | 292.70K | - | 147.40K |
| Vanguard group | 1.02M | - | 76.78K |
| Acadian asset management | 106.89K | 0.00% | 66.65K |
| Franklin resources | 72.09K | - | 56.30K |
| Renaissance | 186.07K | 0.00% | 52.10K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Kanen wealth management | - | - | -1.32M |
| Valueworks | 2.04M | 1.36% | -350.83K |
| Dimensional fund advisors lp | 699.68K | 0.00% | -236.74K |
| X-square capital | - | - | -215.09K |
| Deutsche bank ag\ | - | - | -72.18K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Newedge advisors | 25.49K | 0.00% | 25.49K | $58.38K |
| Virtu financial | 14.15K | 0.00% | 14.15K | $32.00K |
| Invesco | 10.73K | - | 10.73K | $24.58K |
| Russell investments group | 2.09K | - | 2.09K | $4.79K |
| Optiver b.v. | 328.00 | - | 328.00 | $751.00 |
Sold Out
| Holder | Change |
|---|---|
| Allworth financial lp | -1.00 |
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Clearstead advisors | -11.00 |
| Capital performance advisors llp | -13.00 |
| Coppell advisory solutions | -70.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 45 | -42.31% | 28,226,267 | -21.73% | 58 | 1.04% | 19 | -44.12% | 16 | -42.86% |
| Sep 30, 2025 | 74 | 10.45% | 36,035,593 | -1.01% | 74 | 1.31% | 30 | -14.29% | 28 | 55.56% |
| Jun 30, 2025 | 67 | - | 36,431,979 | -2.37% | 75 | 1.26% | 35 | 25.00% | 17 | -26.09% |
| Mar 31, 2025 | 67 | 1.52% | 37,314,761 | -0.46% | 77 | 1.28% | 30 | -11.76% | 22 | 46.67% |
| Dec 31, 2024 | 63 | -4.55% | 37,051,190 | -0.22% | 76 | 1.29% | 34 | - | 13 | -7.14% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Royce Small-Cap Opportunity Invmt | 680.92K | 1.41% | -104.69K |
| Philotimo Focused Growth and Income | 537.30K | 1.12% | -83.62K |
| iShares Russell 2000 ETF | 504.14K | 1.05% | 504.14K |
| Vanguard US Total Market Shares ETF | 453.59K | 0.94% | - |
| Vanguard Total Stock Mkt Idx Inv | 451.85K | 0.94% | 7.96K |
| Russell Inv Tax-Managed US Mid&Sm Cap S | 245.48K | 0.51% | - |
| Fidelity Small Cap Index | 242.41K | 0.50% | -288.00 |
| Vanguard Institutional Extnd Mkt Idx Tr | 235.43K | 0.49% | - |
| EA Bridgeway Omni Small-Cap Value ETF | 232.28K | 0.48% | 232.28K |
| FTGF RY US SmCp Opp A USD Dis(A) | 205.23K | 0.43% | -128.50K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 11, 2025 | Amron Arthur H | - | Buy | $18.90K |
| May 22, 2025 | SMITH ARTHUR L | - | Sell | $50.20K |
| May 20, 2025 | SMITH ARTHUR L | - | Sell | $125.50K |
| May 19, 2025 | SMITH ARTHUR L | - | Sell | $37.35K |
| Dec 12, 2024 | Amron Arthur H | - | Buy | $2.97K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 2 |
| 2024 Q4 | 1 | 9 |
| 2024 Q2 | 2 | - |
| 2024 Q1 | 1 | - |
| 2023 Q4 | - | 5 |
TUSK Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools