Perma-Fix Environmental SVCSPESI
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 84 institutions reported holding Perma-Fix Environmental SVCS (PESI) in their 13F filings, up 7 from Q3 2025. 12 opened new positions and 7 sold out. The largest holders were BlackRock, Inc. ($15.1M), Vanguard Group Inc. ($12.2M) and Mak Capital One LLC ($11.6M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Perma-Fix Environmental SVCS
- CUSIP
- 714157203
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $6.5M |
| Exits | 7 | $5.6M |
All 13F filers, Q3 2025 → Q4 2025: 967,372 shares bought and 853,351 shares sold, net +114,021 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 84 holders
| BlackRock, Inc. | 0.00% | Add +2.6% | 1,197,985 | $15.1M |
| Vanguard Group Inc. | 0.00% | Add +3.4% | 968,107 | $12.2M |
| Mak Capital One LLC | 1.56% | Add +12.6% | 918,673 | $11.6M |
| Prescott Group Capital Management, L.L.C. | 0.91% | No change | 777,142 | $9.8M |
| Geode Capital Management, LLC | 0.00% | Add +0.4% | 422,890 | $5.3M |
| Heartland Advisors Inc. | 0.27% | Reduce -12.7% | 400,000 | $5.0M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.03% | Reduce -3.7% | 386,843 | $4.9M |
| Potomac Capital Management, Inc. | 3.60% | — | 341,800 | $4.3M |
| State Street Corp. | 0.00% | Add +4.7% | 312,267 | $3.9M |
| Perritt Capital Management Inc | 3.50% | Reduce -5.1% | 166,300 | $2.1M |
| Rothschild Wealth LLC | 0.20% | New | 166,300 | $2.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +5.1% | 164,787 | $2.1M |
| Jane Street Group, LLC | 0.00% | Add +147.8% | 144,239 | $1.8M |
| Northern Trust Corp. | 0.00% | Reduce -8.8% | 123,509 | $1.6M |
| MYDA Advisors LLC | 0.36% | New | 100,000 | $1.3M |
| Susquehanna International Group, LLP | 0.00% | Add +474.1% | 98,269 | $1.2M |
| D. E. Shaw & Co. | 0.00% | Add +107.3% | 96,009 | $1.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +12.0% | 71,937 | $906K |
| Morgan Stanley | 0.00% | Reduce -33.0% | 66,731 | $840K |
| Informed Momentum Co LLC | 0.09% | New | 64,784 | $816K |
| GatePass Capital, LLC | 0.43% | No change | 64,742 | $815K |
| Ancora Advisors LLC | 0.02% | Reduce -61.5% | 57,927 | $729K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 48,607 | $612K |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.5% | 44,059 | $555K |
| Bank of America Corp. | 0.00% | Reduce -8.5% | 43,666 | $550K |
| Pale Fire Capital SE | 0.07% | Reduce -4.5% | 43,220 | $544K |
| Sei Investments Co. | 0.00% | New | 39,442 | $497K |
| Millennium Management | 0.00% | New | 38,617 | $486K |
| Squarepoint Ops LLC | 0.00% | New | 36,842 | $464K |
| ARS Investment Partners, LLC | 0.03% | Reduce -11.8% | 36,145 | $455K |
| Citadel Advisors | 0.00% | Reduce -40.0% | 36,129 | $455K |
| Wells Fargo & Company | 0.00% | Add +25.2% | 32,126 | $404K |
| UBS Group AG | 0.00% | Add +16.3% | 28,964 | $365K |
| Barclays PLC | 0.00% | Add +10.7% | 26,981 | $340K |
| Los Angeles Capital Management LLC | 0.00% | New | 22,960 | $322K |
| Nuveen, LLC | 0.00% | No change | 22,454 | $283K |
| Corsair Capital Management, L.P. | 0.05% | Reduce -22.5% | 21,649 | $273K |
| Rhumbline Advisers | 0.00% | Reduce -6.5% | 21,423 | $270K |
| Brookwood Investment Group LLC | 0.03% | Add +39.7% | 20,873 | $263K |
| Guidance Capital, Inc. | 0.06% | Reduce -0.8% | 17,185 | $255K |
| Bailard, Inc. | 0.01% | Reduce -37.8% | 17,800 | $224K |
| Oxler Private Wealth LLC | 0.06% | No change | 17,005 | $214K |
| Quent Capital, LLC | 0.01% | New | 16,199 | $204K |
| Osaic Holdings, Inc. | 0.00% | Reduce -55.7% | 15,900 | $200K |
| HRT Financial LP | 0.00% | New | 14,585 | $183K |
| Fermata Advisors, LLC | 0.04% | Reduce -17.5% | 12,635 | $159K |
| Deutsche Bank AG | 0.00% | Add +18936.5% | 11,993 | $151K |
| T. Rowe Price Associates Inc. | 0.00% | New | 11,202 | $142K |
| MetLife Investment Management, LLC | 0.00% | Add +171.6% | 9,154 | $115K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -3.4% | 8,019 | $101K |
| JPMorgan Chase & Co. | 0.00% | Add +1.6% | 7,140 | $90K |
| FMR LLC | 0.00% | Add +29.6% | 5,704 | $72K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,649 | $71K |
| North Star Investment Management Corp. | 0.00% | No change | 4,400 | $55K |
| New York State Common Retirement Fund | 0.00% | No change | 4,400 | $55K |
| Group One Trading LLC | 0.00% | Add +14.2% | 4,027 | $51K |
| BNP Paribas Financial Markets | 0.00% | Add +14.0% | 3,820 | $48K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +218.2% | 3,182 | $40K |
| Russell Investments Group, Ltd. | 0.00% | Add +1.8% | 1,612 | $20K |
| Legal & General Group Plc | 0.00% | No change | 1,611 | $20K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,232 | $16K |
| California State Teachers Retirement System | 0.00% | Reduce -0.9% | 1,065 | $13K |
| Royal Bank of Canada | 0.00% | Reduce -75.0% | 1,027 | $13K |
| Flagship Harbor Advisors, LLC | 0.00% | New | 910 | $11K |
| Sterling Capital Management LLC | 0.00% | Reduce -15.3% | 860 | $11K |
| Amalgamated Bank | 0.00% | Reduce -6.7% | 544 | $7K |
| Global Retirement Partners, LLC | 0.00% | New | 500 | $6K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 500 | $6K |
| Citigroup Inc. | 0.00% | Add +38.2% | 391 | $5K |
| Optiver Holding B.V. | 0.00% | No change | 298 | $4K |
| GAMMA Investing LLC | 0.00% | Reduce -13.4% | 214 | $3K |
| Cwm, LLC | 0.00% | Reduce -14.0% | 117 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 71 | $894 |
| Torren Management, LLC | 0.00% | — | 53 | $667 |
| Rothschild Investment LLC | 0.00% | No change | 20 | $252 |
| Arax Advisory Partners | 0.00% | Reduce -96.0% | 9 | $113 |
| Essential Partners LLC | 0.00% | No change | 9 | $113 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 8 | $101 |
| Sunbelt Securities, Inc. | 0.00% | No change | 7 | $88 |
| CoreCap Advisors, LLC | 0.00% | No change | 5 | $63 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -84.2% | 3 | $38 |
| Morgan Dempsey Capital Management LLC | 0.00% | No change | 1 | $13 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $13 |
| AlphaQuest LLC | 0.00% | Reduce -99.9% | 1 | $13 |
"% of holder's portfolio" is PESI's weight in each manager's 13F, not the share of Perma-Fix Environmental SVCS the manager owns.