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.
Q4 2021 vs. Q3 2021
How the institutions holding Perma Fix Environmental Services Inc changed between Q3 2021 and Q4 2021.
All holders in Q4 2021All holders in Q3 2021
| Measure | Q3 2021 | Q4 2021 | Change |
|---|---|---|---|
| Holders | 24 | 29 | +5 |
| Shares | 3.21M | 3.49M | +275.9K (+8.6%) |
| Value | $21.3M | $22.1M | +$716.0K (+3.4%) |
New holders (7)
Institutions that held Perma Fix Environmental Services Inc at the end of Q4 2021 but not at the end of Q3 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Potomac Capital Management, Inc. | 203,700 | $1.29M | 1.24% |
| Susquehanna International Group, LLP | 12,613 | $80.0K | 0.00% |
| Greenhaven Road Investment Management, L.P. | 10,254 | $65.0K | 0.01% |
| Northwestern Mutual Wealth Management Co | 3,500 | $22.0K | 0.00% |
| Commons Capital, LLC | 1,625 | $10.0K | 0.01% |
| Tower Research Capital LLC (TRC) | 200 | $1.00K | 0.00% |
| CoreCap Advisors, LLC | 5 | – | – |
Sold out (2)
Institutions that held Perma Fix Environmental Services Inc at the end of Q3 2021 and filed for Q4 2021 without it.
| Institution | Shares, Q3 2021 | Value, Q3 2021 |
|---|---|---|
| Eagle Bay Advisors LLC | 242 | $2.00K |
| Bank of America Corp | 44 | $0 |