Which hedge funds own PESI? PERMA-FIX ENVIRONMENTAL SVCS, Q2 2026 13F holders
13 of the hedge funds tracked by WhaleCreep disclosed a position in PESI (PERMA-FIX ENVIRONMENTAL SVCS) in their Q2 2026 13F filings, worth $40.6m in total. The largest holder by portfolio weight is Fifth Lane Capital, LP at 15.8% of its book. 5 managers opened a new position this quarter: Fifth Lane Capital, LP, Owls Nest Partners Ia, LLC, Diametric Capital, LP, Persistent Asset Partners LTD. 2 exited: Greenhaven Road Investment Management, L.P., Gsa Capital Partners LLP.
13tracked managers holding
5opened this quarter
2exited this quarter
Which hedge funds hold PESI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Fifth Lane Capital, LP | Q2 2026 | 15.8% | $257.2k | 18,000 | – | new |
| Potomac Capital Management, Inc. | Q2 2026 | 5.0% | $6.8m | 477,000 | 61% | added |
| Mak Capital One LLC | Q2 2026 | 2.1% | $14.8m | 1,032,958 | 12% | added |
| Prescott Group Capital Management, L.L.C. | Q2 2026 | 1.0% | $11.1m | 777,142 | 0% | held |
| Myda Advisors LLC | Q2 2026 | 0.3% | $1.3m | 90,000 | -25% | reduced |
| Owls Nest Partners Ia, LLC | Q2 2026 | 0.3% | $808.2k | 56,555 | – | new |
| Diametric Capital, LP | Q2 2026 | 0.2% | $1.6m | 114,714 | – | new |
| Corsair Capital Management, L.P. | Q2 2026 | 0.1% | $609.5k | 42,649 | 13% | added |
| Persistent Asset Partners LTD | Q2 2026 | 0.0% | $55.9k | 3,912 | – | new |
| Trexquant Investment LP | Q2 2026 | 0.0% | $313.6k | 21,948 | – | new |
| Citadel Advisors LLC | Q2 2026 | 0.0% | $2.2m | 152,626 | 120% | added |
| Squarepoint Ops LLC | Q2 2026 | 0.0% | $442.6k | 30,976 | -40% | reduced |
| D. E. Shaw & Co., Inc. | Q2 2026 | 0.0% | $355.2k | 24,858 | -61% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Greenhaven Road Investment Management, L.P. | 1.2% | $120.5k |
| Gsa Capital Partners LLP | 0.0% | $172.0k |
How has hedge fund ownership of PESI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 13 | $40.6m |
| Q1 2026 | 10 | $25.2m |
| Q4 2025 | 1 | $729.3k |
| Q3 2025 | 1 | $1.5m |
| Q2 2025 | 1 | $1.9m |
| Q1 2025 | 2 | $1.2m |
| Q4 2024 | 2 | $1.3m |
| Q3 2024 | 2 | $2.9m |
| Q2 2024 | 2 | $2.7m |
| Q1 2024 | 2 | $3.5m |
| Q4 2023 | 2 | $2.4m |
| Q3 2023 | 3 | $2.7m |
| Q2 2023 | 3 | $3.1m |
| Q1 2023 | 3 | $3.5m |
| Q4 2022 | 4 | $1.1m |
| Q3 2022 | 4 | $1.3m |
Counts every tracked manager that disclosed PESI in that quarter's filing, including managers that have since stopped filing.