MAMMOTH ENERGY SERVICES INC TUSK
$3.13
-0.6% 52w: $1.73 – $3.84
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data1.732.793.84
Jun 20, 2025 Jul 2, 2026
Institutional holders
90
+18 QoQ
13F value
$86.0M
+34.8% QoQ
Smart-money holders
3
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
1.1×
$29K calls / $26K puts
Institutional value by quarter
Number of holders
Who owns TUSK?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| WEXFORD CAPITAL LP | Quant stat arb | 22.1M | $54.1M | 8.9% | -0.1% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Other | 4.6M | $11.2M | 0.0% | Held |
| BlackRock, Inc. | Index provider | 1.5M | $3.6M | 0.0% | -1.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 819.1K | $2.0M | 0.0% | — |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 686.2K | $1.7M | 0.0% | -1.9% |
| Peapod Lane Capital LLC ★2 | Fundamental diversified | 599.8K | $1.5M | 1.2% | New |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 610.9K | $1.5M | 0.0% | +4.3% |
| STATE STREET CORP | Index provider | 421.9K | $1.0M | 0.0% | +3.3% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 332.3K | $814K | 0.0% | -18.9% |
| CITADEL ADVISORS LLC | Multistrat pod | 331.4K | $812K | 0.0% | +50.5% |
| Empowered Funds, LLC | Diversified mechanical | 241.3K | $591K | 0.0% | +10.2% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 232.0K | $568K | 0.0% | +24.7% |
| GOLDMAN SACHS GROUP INC | Bank broker | 223.5K | $548K | 0.0% | +148.5% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 204.1K | $498K | 0.0% | +90.9% |
| NORTHERN TRUST CORP | Index provider | 187.1K | $458K | 0.0% | +11.5% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 170.1K | $417K | 0.0% | — |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Diversified mechanical | 163.3K | $400K | 0.0% | New |
| Boston Partners | Other | 154.4K | $378K | 0.0% | New |
| MORGAN STANLEY | Bank broker | 152.7K | $374K | 0.0% | -47.8% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 140.1K | $343K | 0.0% | — |
| Bank of New York Mellon Corp | Diversified mechanical | 132.5K | $325K | 0.0% | -0.1% |
| Centiva Capital, LP | Diversified mechanical | 111.1K | $272K | 0.0% | +168.9% |
| STIFEL FINANCIAL CORP | Diversified mechanical | 105.6K | $259K | 0.0% | Held |
| OSAIC HOLDINGS, INC. | Wealth advisor | 72.4K | $177K | 0.0% | -9.1% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 68.4K | $168K | 0.0% | +21.3% |
| Russell Investments Group, Ltd. | Diversified mechanical | 68.0K | $167K | 0.0% | -72.5% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 66.7K | $163K | 0.0% | +492.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 58.9K | $144K | 0.0% | -16.7% |
| Squarepoint Ops LLC | Quant stat arb | 51.6K | $126K | 0.0% | -32.2% |
| Nuveen, LLC | Diversified mechanical | 36.8K | $90K | 0.0% | Held |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 36.3K | $89K | 0.0% | +253.7% |
| OCCUDO QUANTITATIVE STRATEGIES LP | Quant stat arb | 29.3K | $84K | 0.0% | New |
| RHUMBLINE ADVISERS | Diversified mechanical | 32.9K | $81K | 0.0% | +0.7% |
| Mariner, LLC | Diversified mechanical | 26.9K | $66K | 0.0% | New |
| BANK OF AMERICA CORP /DE/ | Bank broker | 25.6K | $63K | 0.0% | +15.9% |
| LEVIN CAPITAL STRATEGIES, L.P. ★2 | Fundamental diversified | 25.0K | $61K | 0.0% | New |
| JANE STREET GROUP, LLC | Market maker | 22.9K | $56K | 0.0% | -42.4% |
| Verdad Advisers, LP | Quant stat arb | 22.7K | $56K | 0.1% | New |
| STEINBERGANNA WEALTH MANAGEMENT | Wealth advisor | 18.4K | $45K | 0.0% | +34.9% |
| Schonfeld Strategic Advisors LLC | Multistrat pod | 18.3K | $45K | 0.0% | New |
| Creative Planning | Wealth advisor | 16.9K | $42K | 0.0% | +40.0% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 16.7K | $41K | 0.0% | -1.6% |
| Sanctuary Advisors, LLC | Wealth advisor | 16.7K | $41K | 0.0% | New |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 14.5K | $36K | 0.0% | New |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 13.9K | $34K | 0.0% | New |
| SEI INVESTMENTS CO | Diversified mechanical | 13.6K | $33K | 0.0% | New |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 13.4K | $33K | 0.0% | Held |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 12.6K | $31K | 0.0% | +2.2% |
| Tower Research Capital LLC (TRC) | Market maker | 12.5K | $31K | 0.0% | +125.6% |
| FMR LLC | Long only active | 12.1K | $30K | 0.0% | +9.3% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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