Penbrook Management LLC
- SEC CIK
- 0001381055
- Latest filing
- Jul 23, 2026
TUSK holding history
Mammoth Energy Services, Inc. in every 13F filed by Penbrook Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
TUSK overviewAll 13F holders of TUSKFull Q2 2026 holdings
- Shares (Q3 2025)
- 0
- Sold out in Q3 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q1 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 0 | $0 | 0.0% | −13,000−100.0% | Sold out | Holders |
| Q2 2025 | 13,000 | $36.4K | <0.1% | −1,000−7.1% | Reduced | Holders |
| Q1 2025 | 14,000 | $28.6K | <0.1% | −8,200−36.9% | Reduced | Holders |
| Q4 2024 | 22,200 | $66.6K | <0.1% | −10,500−32.1% | Reduced | Holders |
| Q3 2024 | 32,700 | $133.7K | 0.1% | −29,200−47.2% | Reduced | Holders |
| Q2 2024 | 61,900 | $203.0K | 0.1% | −3,000−4.6% | Reduced | Holders |
| Q1 2024 | 64,900 | $236.2K | 0.1% | −12,000−15.6% | Reduced | Holders |
| Q4 2023 | 76,900 | $343.0K | 0.2% | −4,000−4.9% | Reduced | Holders |
| Q3 2023 | 80,900 | $375.4K | 0.3% | −400−0.5% | Reduced | Holders |
| Q2 2023 | 81,300 | $392.7K | 0.3% | 00.0% | Unchanged | Holders |
| Q1 2023 | 81,300 | $343.1K | 0.3% | +81,300 | New | Holders |