Ownership history in VALUEWORKS LLC · 25 quarters on record
This page tracks every 13F SEC filing in which VALUEWORKS LLC reported a position in MAMMOTH ENERGY SVCS INC (TUSK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 12,775 | -2,025,430 | -99.4% | 0.01% | $24K | $1.85 |
| 2025 Q3 | REDUCED | 2,038,205 | -350,826 | -14.7% | 1.36% | $4.7M | $2.29 |
| 2025 Q2 | REDUCED | 2,389,031 | -419,829 | -14.9% | 2.21% | $6.7M | $2.80 |
| 2025 Q1 | REDUCED | 2,808,860 | -14,325 | -0.5% | 2.16% | $5.7M | $2.04 |
| 2024 Q4 | REDUCED | 2,823,185 | -313,186 | -10.0% | 2.82% | $8.5M | $3.00 |
| 2024 Q3 | REDUCED | 3,136,371 | -199,997 | -6.0% | 4.08% | $12.8M | $4.09 |
| 2024 Q2 | REDUCED | 3,336,368 | -7,250 | -0.2% | 3.40% | $10.9M | $3.28 |
| 2024 Q1 | REDUCED | 3,343,618 | -6,100 | -0.2% | 3.94% | $12.1M | $3.64 |
| 2023 Q4 | REDUCED | 3,349,718 | -24,545 | -0.7% | 5.07% | $14.9M | $4.46 |
| 2023 Q3 | REDUCED | 3,374,263 | -9,200 | -0.3% | 5.68% | $15.6M | $4.64 |
As of 2025 Q4 — sorted by position size