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 2024
Institutional positions in Perma Fix Environmental Services Inc as of Mar 31, 2024. 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
- 41
- −1 vs. Q4 2023
- Shares held
- 3.11M
- −77.6K (−2.4%) vs. Q4 2023
- Total value
- $36.9M
- +$11.8M (+47.2%) vs. Q4 2023
- New holders
- 4
- 11 more added
- Sold out
- 5
- 14 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Perma Fix Environmental Services Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 590,041 | $7.02M | 0.00% | 00.0% | Unchanged |
| Heartland Advisors Inc | 500,000 | $5.95M | 0.31% | 00.0% | Unchanged |
| BlackRock Inc. | 275,206 | $3.27M | 0.00% | −18,591−6.3% | Reduced |
| Perritt Capital Management Inc | 196,817 | $2.34M | 1.26% | −1,350−0.7% | Reduced |
| Essex Investment Management Co LLC | 189,450 | $2.25M | 0.44% | +2,914+1.6% | Added |
| ARS Investment Partners, LLC | 152,427 | $1.81M | 0.18% | −10,795−6.6% | Reduced |
| Renaissance Technologies LLC | 148,796 | $1.77M | 0.00% | −19,200−11.4% | Reduced |
| Ancora Advisors, LLC | 143,646 | $1.71M | 0.04% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 135,076 | $1.61M | 0.00% | +1,352+1.0% | Added |
| Susquehanna International Group, LLP | 110,243 | $1.31M | 0.00% | +20,011+22.2% | Added |
| Millennium Management LLC | 86,250 | $1.03M | 0.00% | +38,348+80.1% | Added |
| Legato Capital Management LLC | 75,031 | $892.1K | 0.11% | 00.0% | Unchanged |
| Prescott Group Capital Management, L.L.C. | 67,247 | $800.0K | 0.13% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 64,557 | $767.6K | 0.00% | −4,305−6.3% | Reduced |
| State Street Corp | 47,182 | $561.0K | 0.00% | 00.0% | Unchanged |
| Apis Capital Advisors, LLC | 46,000 | $546.9K | 0.42% | −26,000−36.1% | Reduced |
| Morgan Dempsey Capital Management LLC | 38,671 | $459.8K | 0.15% | −1,450−3.6% | Reduced |
| Bailard, Inc. | 31,665 | $376.5K | 0.01% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 31,201 | $371.0K | 0.00% | −2,381−7.1% | Reduced |
| Northern Trust Corp | 28,945 | $344.2K | 0.00% | +1,987+7.4% | Added |
| Citadel Advisors LLC | 25,423 | $302.3K | 0.00% | −16,413−39.2% | Reduced |
| Bridgeway Capital Management, LLC | 22,100 | $262.8K | 0.01% | 00.0% | Unchanged |
| Commons Capital, LLC | 21,975 | $261.3K | 0.38% | 00.0% | Unchanged |
| Jane Street Group, LLC | 20,103 | $239.0K | 0.00% | +8,580+74.5% | Added |
| Fermata Advisors, LLC | 12,275 | $145.9K | 0.03% | +775+6.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 10,524 | $125.1K | 0.01% | +10,524 | New |
| Hillsdale Investment Management Inc. | 9,251 | $110.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 7,423 | $88.3K | 0.00% | −12,762−63.2% | Reduced |
| Bank of America Corp | 4,646 | $55.2K | 0.00% | +4,638+57,975.0% | Added |
| Venturi Wealth Management, LLC | 3,000 | $35.7K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,666 | $31.0K | 0.00% | +2,666 | New |
| Advisor Group Holdings, Inc. | 2,000 | $23.8K | 0.00% | +1,000+100.0% | Added |
| Morgan Stanley | 1,852 | $22.0K | 0.00% | −3,679−66.5% | Reduced |
| Tower Research Capital LLC (TRC) | 938 | $11.2K | 0.00% | −1,525−61.9% | Reduced |
| JPMorgan Chase & Co | 743 | $8.83K | 0.00% | +278+59.8% | Added |
| West Paces Advisors Inc. | 125 | $1.49K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 97 | $1.15K | 0.00% | +2+2.1% | Added |
| UBS Group AG | 90 | $1.07K | 0.00% | −3,228−97.3% | Reduced |
| CoreCap Advisors, LLC | 5 | $59 | 0.00% | +5 | New |
| Royal Bank of Canada | 2 | $0 | 0.00% | −98−98.0% | Reduced |
| Jamison Private Wealth Management, Inc. | 9,000 | $0 | 0.00% | +9,000 | New |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −34,029−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −17,912−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −4,255−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Planned Solutions, Inc. | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Potomac Capital Management, Inc. | – | – | – | – | Not filed |