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, Q2 2026
Institutional positions in Perma Fix Environmental Services Inc as of Jun 30, 2026. 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
- 88
- +5 vs. Q1 2026
- Shares held
- 9.47M
- +1.90M (+25.1%) vs. Q1 2026
- Total value
- $135.2M
- +$54.3M (+67.1%) vs. Q1 2026
- New holders
- 14
- 34 more added
- Sold out
- 9
- 17 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Perma Fix Environmental Services Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Dempsey Capital Management LLC | 1 | $14 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $14 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 2 | $29 | 0.00% | −168−98.8% | Reduced |
| CoreCap Advisors, LLC | 5 | $71 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 5 | $72 | 0.00% | +5 | New |
| Essential Partners LLC | 9 | $129 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 20 | $286 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 32 | $457 | 0.00% | +32 | New |
| Caitong International Asset Management Co., Ltd | 48 | $686 | 0.00% | +34+242.9% | Added |
| Torren Management, LLC | 53 | $757 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 71 | $1.01K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 90 | $1.29K | 0.00% | +90 | New |
| Sterling Capital Management LLC | 101 | $1.44K | 0.00% | −400−79.8% | Reduced |
| GAMMA Investing LLC | 214 | $3.06K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 243 | $3.47K | 0.00% | −693−74.0% | Reduced |
| Royal Bank of Canada | 579 | $9.00K | 0.00% | +529+1,058.0% | Added |
| Global Retirement Partners, LLC | 744 | $10.6K | 0.00% | +744 | New |
| Ameritas Investment Partners, Inc. | 1,232 | $17.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,558 | $22.3K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,784 | $25.5K | 0.00% | +256+16.8% | Added |
| BNP Paribas Arbitrage, SA | 2,482 | $35.5K | 0.00% | −1,187−32.4% | Reduced |
| Barclays PLC | 2,708 | $38.7K | 0.00% | −565−17.3% | Reduced |
| Persistent Asset Partners Ltd | 3,912 | $55.9K | 0.02% | +3,912 | New |
| FMR LLC | 4,181 | $59.7K | 0.00% | −545−11.5% | Reduced |
| New York State Common Retirement Fund | 4,400 | $62.9K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 5,000 | $71.0K | 0.01% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 5,649 | $80.7K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 5,742 | $82.1K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 7,469 | $98.1K | 0.00% | +387+5.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 8,115 | $116.0K | 0.00% | −108−1.3% | Reduced |
| Citigroup Inc | 8,239 | $117.7K | 0.00% | +7,420+906.0% | Added |
| Russell Investments Group, Ltd. | 8,731 | $124.8K | 0.00% | +6,999+404.1% | Added |
| MetLife Investment Management | 9,410 | $134.5K | 0.00% | +4,488+91.2% | Added |
| Vident Advisory, LLC | 10,390 | $148.5K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 11,681 | $167.0K | 0.00% | +479+4.3% | Added |
| Deutsche Bank AG | 15,366 | $219.6K | 0.00% | +745+5.1% | Added |
| Advisor Group Holdings, Inc. | 15,900 | $227.2K | 0.00% | −100−0.6% | Reduced |
| Quent Capital, LLC | 16,199 | $231.5K | 0.01% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 16,465 | $235.3K | 0.00% | −468−2.8% | Reduced |
| Oxler Private Wealth LLC | 17,005 | $243.0K | 0.07% | 00.0% | Unchanged |
| Bailard, Inc. | 17,800 | $254.4K | 0.01% | 00.0% | Unchanged |
| Guidance Capital, Inc | 16,683 | $256.4K | 0.05% | +381+2.3% | Added |
| Fifth Lane Capital, LP | 18,000 | $257.2K | 15.77% | +18,000 | New |
| Quadrature Capital Ltd | 18,967 | $271.0K | 0.00% | +18,967 | New |
| Sentinus, LLC | 20,600 | $294.4K | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 20,879 | $298.4K | 0.00% | −531−2.5% | Reduced |
| Trexquant Investment LP | 21,948 | $313.6K | 0.00% | +21,948 | New |
| Nuveen, LLC | 22,454 | $320.9K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 23,333 | $333.4K | 0.00% | +3,333+16.7% | Added |
| Alliancebernstein L.P. | 32,850 | $351.2K | 0.00% | +32,850 | New |
| D. E. Shaw & Co., Inc. | 24,858 | $355.2K | 0.00% | −38,131−60.5% | Reduced |
| Wells Fargo & Company | 29,303 | $418.7K | 0.00% | +8,473+40.7% | Added |
| Squarepoint Ops LLC | 30,976 | $442.6K | 0.00% | −20,964−40.4% | Reduced |
| UBS Group AG | 31,493 | $450.0K | 0.00% | −30,589−49.3% | Reduced |
| Simplex Trading, LLC | 31,633 | $452.0K | 0.01% | +315+1.0% | Added |
| Bank of New York Mellon Corp | 38,101 | $544.5K | 0.00% | −2,278−5.6% | Reduced |
| SEI Investments Co | 41,022 | $586.2K | 0.00% | +41,022 | New |
| Bank of America Corp | 41,371 | $591.2K | 0.00% | −3,819−8.5% | Reduced |
| Corsair Capital Management, L.P. | 42,649 | $609.5K | 0.08% | +5,000+13.3% | Added |
| GatePass Capital, LLC | 44,742 | $639.4K | 0.24% | +15,000+50.4% | Added |
| Charles Schwab Investment Management Inc | 45,249 | $646.6K | 0.00% | +1,659+3.8% | Added |
| Jane Street Group, LLC | 46,651 | $666.6K | 0.00% | +18,126+63.5% | Added |
| Morgan Stanley | 53,084 | $758.6K | 0.00% | +26,366+98.7% | Added |
| Pale Fire Capital SE | 55,627 | $794.9K | 0.06% | +7,001+14.4% | Added |
| Owls Nest Partners IA, LLC | 56,555 | $808.2K | 0.26% | +56,555 | New |
| XTX Topco Ltd | 62,888 | $898.7K | 0.01% | +39,661+170.8% | Added |
| CM Wealth Advisors LLC | 87,839 | $1.26M | 0.23% | +87,839 | New |
| MYDA Advisors LLC | 90,000 | $1.29M | 0.31% | −30,000−25.0% | Reduced |
| Diametric Capital, LP | 114,714 | $1.64M | 0.17% | +114,714 | New |
| North Star Investment Management Corp. | 120,532 | $1.72M | 0.09% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 121,267 | $1.73M | 0.00% | +20,949+20.9% | Added |
| Group One Trading, L.P. | 122,611 | $1.75M | 0.05% | −125,063−50.5% | Reduced |
| Vanguard Fiduciary Trust Co | 123,040 | $1.76M | 0.00% | +3,787+3.2% | Added |
| Northern Trust Corp | 141,639 | $2.02M | 0.00% | +12,071+9.3% | Added |
| Citadel Advisors LLC | 152,626 | $2.18M | 0.00% | +83,313+120.2% | Added |
| Susquehanna International Group, LLP | 156,934 | $2.24M | 0.00% | +145,836+1,314.1% | Added |
| Goldman Sachs Group Inc | 162,755 | $2.33M | 0.00% | +20,068+14.1% | Added |
| Dimensional Fund Advisors LP | 191,063 | $2.73M | 0.00% | +27,276+16.7% | Added |
| State Street Corp | 349,744 | $5.00M | 0.00% | +14,197+4.2% | Added |
| Heartland Advisors Inc | 400,000 | $5.72M | 0.25% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 455,156 | $6.51M | 0.00% | +22,455+5.2% | Added |
| Potomac Capital Management, Inc. | 477,000 | $6.82M | 4.99% | +180,300+60.8% | Added |
| Kennedy Capital Management, Inc. | 610,903 | $8.73M | 0.15% | +610,903 | New |
| Diamond Hill Capital Management Inc | 642,533 | $9.18M | 0.07% | +286,555+80.5% | Added |
| Prescott Group Capital Management, L.L.C. | 777,142 | $11.1M | 0.96% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 811,743 | $11.6M | 0.00% | +52,308+6.9% | Added |
| Mak Capital One LLC | 1,032,958 | $14.8M | 2.07% | +114,285+12.4% | Added |
| BlackRock, Inc. | 1,252,756 | $17.9M | 0.00% | +82,453+7.0% | Added |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −16,097−100.0% | Sold out |
| Fermata Advisors, LLC | 0 | $0 | 0.00% | −12,936−100.0% | Sold out |
| Greenhaven Road Investment Management, L.P. | 0 | $0 | 0.00% | −11,303−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −11,135−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −10,692−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −140−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |