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, Q3 2025
Institutional positions in Perma Fix Environmental Services Inc as of Sep 30, 2025. 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
- 77
- +8 vs. Q2 2025
- Shares held
- 7.42M
- +759.8K (+11.4%) vs. Q2 2025
- Total value
- $75.0M
- +$4.94M (+7.1%) vs. Q2 2025
- New holders
- 16
- 26 more added
- Sold out
- 8
- 21 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Perma Fix Environmental Services Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,167,732 | $11.8M | 0.00% | −12,752−1.1% | Reduced |
| Vanguard Group Inc | 935,942 | $9.45M | 0.00% | +21,335+2.3% | Added |
| Mak Capital One LLC | 815,576 | $8.24M | 1.64% | +722,966+780.7% | Added |
| Prescott Group Capital Management, L.L.C. | 777,142 | $7.85M | 0.83% | 00.0% | Unchanged |
| Heartland Advisors Inc | 458,250 | $4.63M | 0.24% | −22,900−4.8% | Reduced |
| Geode Capital Management, LLC | 421,235 | $4.26M | 0.00% | −724−0.2% | Reduced |
| Diamond Hill Capital Management Inc | 401,559 | $4.06M | 0.02% | +7,143+1.8% | Added |
| State Street Corp | 298,388 | $3.01M | 0.00% | +9,905+3.4% | Added |
| Van Eck Associates Corp | 220,289 | $2.23M | 0.00% | +47,492+27.5% | Added |
| Essex Investment Management Co LLC | 196,197 | $1.98M | 0.30% | +6,482+3.4% | Added |
| Perritt Capital Management Inc | 175,300 | $1.77M | 0.84% | −1,400−0.8% | Reduced |
| Dimensional Fund Advisors LP | 156,853 | $1.58M | 0.00% | +4,478+2.9% | Added |
| Ancora Advisors, LLC | 150,355 | $1.52M | 0.03% | −30,434−16.8% | Reduced |
| Northern Trust Corp | 135,462 | $1.37M | 0.00% | +1,656+1.2% | Added |
| Morgan Stanley | 99,647 | $1.01M | 0.00% | +30,611+44.3% | Added |
| GatePass Capital, LLC | 64,742 | $653.9K | 0.38% | −14,219−18.0% | Reduced |
| Goldman Sachs Group Inc | 64,254 | $649.0K | 0.00% | +64,254 | New |
| Citadel Advisors LLC | 60,164 | $607.7K | 0.00% | +29,691+97.4% | Added |
| Jane Street Group, LLC | 58,201 | $587.8K | 0.00% | +36,142+163.8% | Added |
| Legato Capital Management LLC | 56,459 | $570.2K | 0.06% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 48,607 | $490.9K | 0.00% | −783−1.6% | Reduced |
| Bank of America Corp | 47,739 | $482.2K | 0.00% | +38,764+431.9% | Added |
| D. E. Shaw & Co., Inc. | 46,305 | $467.7K | 0.00% | +46,305 | New |
| Pale Fire Capital SE | 45,270 | $457.2K | 0.05% | +19,581+76.2% | Added |
| Bank of New York Mellon Corp | 44,715 | $451.6K | 0.00% | +359+0.8% | Added |
| Trexquant Investment LP | 42,156 | $425.8K | 0.00% | +42,156 | New |
| ARS Investment Partners, LLC | 40,960 | $413.7K | 0.03% | −43,265−51.4% | Reduced |
| Advisor Group Holdings, Inc. | 35,900 | $362.5K | 0.00% | +33,760+1,577.6% | Added |
| Bailard, Inc. | 28,600 | $288.9K | 0.01% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 27,943 | $282.2K | 0.05% | +27,943 | New |
| Wells Fargo & Company | 25,661 | $259.2K | 0.00% | +2,092+8.9% | Added |
| UBS Group AG | 24,914 | $251.6K | 0.00% | −9,140−26.8% | Reduced |
| Barclays PLC | 24,369 | $246.1K | 0.00% | −5,131−17.4% | Reduced |
| Guidance Capital, Inc | 17,324 | $241.3K | 0.06% | +17,324 | New |
| Rhumbline Advisers | 22,922 | $231.5K | 0.00% | −603−2.6% | Reduced |
| Nuveen, LLC | 22,454 | $226.8K | 0.00% | 00.0% | Unchanged |
| Blue Square Asset Management, LLC | 20,100 | $203.0K | 0.09% | +20,100 | New |
| Susquehanna International Group, LLP | 17,118 | $172.9K | 0.00% | −50,123−74.5% | Reduced |
| Oxler Private Wealth LLC | 17,005 | $171.8K | 0.05% | 00.0% | Unchanged |
| Fermata Advisors, LLC | 15,323 | $154.8K | 0.04% | −986−6.0% | Reduced |
| Brookwood Investment Group LLC | 14,943 | $150.9K | 0.02% | +4,809+47.5% | Added |
| Verition Fund Management LLC | 14,456 | $146.0K | 0.00% | +14,456 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 8,305 | $83.9K | 0.00% | −1,518−15.5% | Reduced |
| JPMorgan Chase & Co | 7,031 | $71.0K | 0.00% | −1,145−14.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 5,649 | $57.1K | 0.00% | +2,313+69.3% | Added |
| FMR LLC | 4,401 | $44.5K | 0.00% | +762+20.9% | Added |
| New York State Common Retirement Fund | 4,400 | $44.4K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 4,400 | $44.4K | 0.00% | +4,400 | New |
| Royal Bank of Canada | 4,111 | $42.0K | 0.00% | +2,396+139.7% | Added |
| Group One Trading, L.P. | 3,526 | $35.6K | 0.00% | +783+28.5% | Added |
| MetLife Investment Management | 3,370 | $34.0K | 0.00% | −8,669−72.0% | Reduced |
| BNP Paribas Arbitrage, SA | 3,350 | $33.8K | 0.00% | +1,699+102.9% | Added |
| Simplex Trading, LLC | 2,804 | $28.0K | 0.00% | +2,804 | New |
| Legal & General Group Plc | 1,611 | $16.3K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 1,584 | $16.0K | 0.00% | +1,392+725.0% | Added |
| Ameritas Investment Partners, Inc. | 1,232 | $12.4K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,075 | $10.9K | 0.00% | +1+0.1% | Added |
| Sterling Capital Management LLC | 1,016 | $10.3K | 0.00% | +615+153.4% | Added |
| Tower Research Capital LLC (TRC) | 1,000 | $10.1K | 0.00% | −1,030−50.7% | Reduced |
| Quest Partners LLC | 719 | $7.26K | 0.00% | +719 | New |
| Amalgamated Bank | 583 | $6.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 500 | $5.05K | 0.00% | +500 | New |
| Optiver Holding B.V. | 298 | $3.01K | 0.00% | +298 | New |
| Citigroup Inc | 283 | $2.86K | 0.00% | −5,575−95.2% | Reduced |
| GAMMA Investing LLC | 247 | $2.50K | 0.00% | −88−26.3% | Reduced |
| SRS Capital Advisors, Inc. | 226 | $2.28K | 0.00% | +226 | New |
| CWM, LLC | 136 | $1.00K | 0.00% | +47+52.8% | Added |
| Nisa Investment Advisors, LLC | 71 | $717 | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 63 | $636 | 0.00% | −15,122−99.6% | Reduced |
| Rothschild Investment LLC | 20 | $202 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 19 | $192 | 0.00% | −41−68.3% | Reduced |
| Essential Partners LLC | 9 | $91 | 0.00% | +9 | New |
| The PNC Financial Services Group, Inc. | 8 | $81 | 0.00% | +8 | New |
| Sunbelt Securities, Inc. | 7 | $71 | 0.00% | +7 | New |
| CoreCap Advisors, LLC | 5 | $51 | 0.00% | 00.0% | Unchanged |
| Morgan Dempsey Capital Management LLC | 1 | $10 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $10 | 0.00% | 00.0% | Unchanged |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −169,208−100.0% | Sold out |
| Commons Capital, LLC | 0 | $0 | 0.00% | −30,350−100.0% | Sold out |
| Moody National Bank Trust Division | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −20,300−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −18,956−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −18,405−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,160−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | 0 | Sold out |
| Congress Wealth Management LLC | – | – | – | – | Not filed |