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.
Q3 2025 vs. Q2 2025
How the institutions holding Perma Fix Environmental Services Inc changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 70 | 1 | 77 | +8 |
| Shares | 6.69M | 30.5K | 7.42M | +759.8K (+11.4%) |
| Value | $70.4M | $320.9K | $75.0M | +$4.94M (+7.1%) |
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (16)
Institutions that held Perma Fix Environmental Services Inc at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Goldman Sachs Group Inc | 64,254 | $649.0K | 0.00% |
| D. E. Shaw & Co., Inc. | 46,305 | $467.7K | 0.00% |
| Trexquant Investment LP | 42,156 | $425.8K | 0.00% |
| Corsair Capital Management, L.P. | 27,943 | $282.2K | 0.05% |
| Guidance Capital, Inc | 17,324 | $241.3K | 0.06% |
| Blue Square Asset Management, LLC | 20,100 | $203.0K | 0.09% |
| Verition Fund Management LLC | 14,456 | $146.0K | 0.00% |
| North Star Investment Management Corp. | 4,400 | $44.4K | 0.00% |
| Simplex Trading, LLC | 2,804 | $28.0K | 0.00% |
| Quest Partners LLC | 719 | $7.26K | 0.00% |
| Rockefeller Capital Management L.P. | 500 | $5.05K | 0.00% |
| Optiver Holding B.V. | 298 | $3.01K | 0.00% |
| SRS Capital Advisors, Inc. | 226 | $2.28K | 0.00% |
| Essential Partners LLC | 9 | $91 | 0.00% |
| The PNC Financial Services Group, Inc. | 8 | $81 | 0.00% |
| Sunbelt Securities, Inc. | 7 | $71 | 0.00% |
Sold out (8)
Institutions that held Perma Fix Environmental Services Inc at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| MYDA Advisors LLC | 169,208 | $1.78M |
| Commons Capital, LLC | 30,350 | $319.3K |
| Moody National Bank Trust Division | 25,000 | $263.0K |
| Bridgeway Capital Management, LLC | 20,300 | $213.6K |
| XTX Topco Ltd | 18,956 | $199.4K |
| Marshall Wace, LLP | 18,405 | $193.6K |
| Raymond James Financial Inc | 1,160 | $12.2K |
| IFP Advisors, Inc | 0 | $632 |
Not filed for Q3 2025 yet (1)
Institutions that held Perma Fix Environmental Services Inc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Congress Wealth Management LLC | 30,500 | $320.9K |