Perma Fix Environmental Services Inc
PESI- Exchange
- Nasdaq
- Industry
- Hazardous Waste Management
- SEC CIK
- 0000891532
No open-market purchases or sales by Perma Fix Environmental Services Inc insiders were filed in the last 90 days; 88 institutions reported holding it in 13F filings for Q2 2026, worth $135.2M in total; no superinvestor holds it.
Q2 2026 vs. Q1 2026
How the institutions holding Perma Fix Environmental Services Inc changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Of which not filed for Q2 2026 | Q2 2026 | Change |
|---|---|---|---|---|
| Holders | 85 | 2 | 88 | +5 |
| Shares | 7.57M | 202 | 9.47M | +1.90M (+25.1%) |
| Value | $80.9M | $2.16K | $135.2M | +$54.3M (+67.1%) |
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (14)
Institutions that held Perma Fix Environmental Services Inc at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Kennedy Capital Management, Inc. | 610,903 | $8.73M | 0.15% |
| Diametric Capital, LP | 114,714 | $1.64M | 0.17% |
| CM Wealth Advisors LLC | 87,839 | $1.26M | 0.23% |
| Owls Nest Partners IA, LLC | 56,555 | $808.2K | 0.26% |
| SEI Investments Co | 41,022 | $586.2K | 0.00% |
| Alliancebernstein L.P. | 32,850 | $351.2K | 0.00% |
| Trexquant Investment LP | 21,948 | $313.6K | 0.00% |
| Quadrature Capital Ltd | 18,967 | $271.0K | 0.00% |
| Fifth Lane Capital, LP | 18,000 | $257.2K | 15.77% |
| Persistent Asset Partners Ltd | 3,912 | $55.9K | 0.02% |
| Global Retirement Partners, LLC | 744 | $10.6K | 0.00% |
| SRS Capital Advisors, Inc. | 90 | $1.29K | 0.00% |
| EverSource Wealth Advisors, LLC | 32 | $457 | 0.00% |
| Allworth Financial LP | 5 | $72 | 0.00% |
Sold out (9)
Institutions that held Perma Fix Environmental Services Inc at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Gsa Capital Partners LLP | 16,097 | $172.0K |
| Fermata Advisors, LLC | 12,936 | $138.3K |
| Greenhaven Road Investment Management, L.P. | 11,303 | $120.5K |
| Invesco Ltd. | 11,135 | $119.0K |
| American Century Companies Inc | 10,692 | $114.3K |
| Rockefeller Capital Management L.P. | 500 | $5.34K |
| Jones Financial Companies LLLP | 140 | $1.49K |
| The PNC Financial Services Group, Inc. | 8 | $86 |
| Farther Finance Advisors, LLC | 2 | $22 |
Not filed for Q2 2026 yet (2)
Institutions that held Perma Fix Environmental Services Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| CWM, LLC | 195 | $2.08K |
| Sunbelt Securities, Inc. | 7 | $75 |