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.
13F holders, Q1 2023
Institutional positions in Perma Fix Environmental Services Inc as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 32
- +3 vs. Q4 2022
- Shares held
- 3.54M
- −51.7K (−1.4%) vs. Q4 2022
- Total value
- $41.6M
- +$28.9M (+227.2%) vs. Q4 2022
- New holders
- 10
- 11 more added
- Sold out
- 7
- 6 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PESI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 88 | $135.2M |
| Q1 2026 | 85 | $80.9M |
| Q4 2025 | 84 | $99.2M |
| Q3 2025 | 77 | $75.0M |
| Q2 2025 | 70 | $70.4M |
| Q1 2025 | 76 | $49.4M |
| Q4 2024 | 74 | $81.6M |
| Q3 2024 | 68 | $71.2M |
| Q2 2024 | 58 | $48.8M |
| Q1 2024 | 41 | $36.9M |
| Q4 2023 | 43 | $27.4M |
| Q3 2023 | 43 | $34.9M |
| Q2 2023 | 37 | $35.8M |
| Q1 2023 | 32 | $41.6M |
| Q4 2022 | 30 | $12.7M |
| Q3 2022 | 28 | $17.0M |
| Q2 2022 | 29 | $19.7M |
| Q1 2022 | 29 | $20.7M |
| Q4 2021 | 29 | $22.1M |
| Q3 2021 | 24 | $21.3M |
| Q2 2021 | 24 | $22.8M |
| Q1 2021 | 24 | $23.8M |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Perma Fix Environmental Services Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Heartland Advisors Inc | 678,300 | $7.99M | 0.49% | −432,200−38.9% | Reduced |
| Vanguard Group Inc | 492,845 | $5.81M | 0.00% | +52,020+11.8% | Added |
| Potomac Capital Management, Inc. | 324,000 | $3.82M | 4.66% | +83,320+34.6% | Added |
| BlackRock Inc. | 300,761 | $3.54M | 0.00% | −1,388−0.5% | Reduced |
| Perritt Capital Management Inc | 236,173 | $2.78M | 1.55% | −10,877−4.4% | Reduced |
| Morgan Dempsey Capital Management LLC | 203,116 | $2.39M | 0.65% | +17,598+9.5% | Added |
| Ancora Advisors, LLC | 176,929 | $2.08M | 0.06% | +6,046+3.5% | Added |
| ARS Investment Partners, LLC | 155,341 | $1.83M | 0.22% | −17,384−10.1% | Reduced |
| Geode Capital Management, LLC | 137,175 | $1.62M | 0.00% | +42,217+44.5% | Added |
| EAM Investors, LLC | 129,921 | $1.53M | 0.30% | +129,921 | New |
| Renaissance Technologies LLC | 111,696 | $1.32M | 0.00% | −13,800−11.0% | Reduced |
| Apis Capital Advisors, LLC | 104,000 | $1.23M | 1.31% | +104,000 | New |
| Susquehanna International Group, LLP | 67,780 | $798.4K | 0.00% | +45,441+203.4% | Added |
| Dimensional Fund Advisors LP | 67,452 | $794.6K | 0.00% | +2,849+4.4% | Added |
| State Street Corp | 61,182 | $720.7K | 0.00% | 00.0% | Unchanged |
| Belvedere Trading LLC | 56,364 | $664.0K | 0.29% | +56,364 | New |
| United Capital Financial Advisers, LLC | 35,000 | $412.3K | 0.00% | +35,000 | New |
| Jane Street Group, LLC | 30,669 | $361.3K | 0.00% | +30,669 | New |
| Northern Trust Corp | 25,249 | $297.4K | 0.00% | +2,010+8.6% | Added |
| Chesley Taft & Associates LLC | 24,025 | $283.0K | 0.02% | 00.0% | Unchanged |
| Commons Capital, LLC | 21,975 | $258.9K | 0.41% | 00.0% | Unchanged |
| Simplex Trading, LLC | 21,246 | $250.0K | 0.01% | +21,246 | New |
| Group One Trading, L.P. | 20,490 | $241.4K | 0.01% | +20,490 | New |
| Wolverine Trading, LLC | 17,076 | $200.0K | 0.01% | +17,076 | New |
| Janney Montgomery Scott LLC | 16,796 | $198.0K | 0.00% | +16,796 | New |
| Citadel Advisors LLC | 5,943 | $70.0K | 0.00% | −22,938−79.4% | Reduced |
| Venturi Wealth Management, LLC | 3,000 | $35.3K | 0.00% | +3,000 | New |
| Advisor Group Holdings, Inc. | 2,800 | $33.0K | 0.00% | +1,800+180.0% | Added |
| Steward Partners Investment Advisory, LLC | 1,000 | $11.8K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 421 | $4.96K | 0.00% | +221+110.5% | Added |
| Wells Fargo & Company | 86 | $1.01K | 0.00% | +2+2.4% | Added |
| Greenhaven Road Investment Management, L.P. | 10,254 | $63 | 0.00% | 00.0% | Unchanged |
| Punch & Associates Investment Management, Inc. | 0 | $0 | 0.00% | −168,032−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −40,518−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −14,944−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −10,441−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −6,150−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,144−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| CoreCap Advisors, LLC | – | – | – | – | Not filed |