Perma-Fix Environmental SVCSPESI
13F holders, Q2 2026 (June 30)88holders +3
13new positions
9sold out
2famous investors
$14.28avg. 13F price*
At the end of Q2 2026, 88 institutions reported holding Perma-Fix Environmental SVCS (PESI) in their 13F filings, up 3 from Q1 2026. 13 opened new positions and 9 sold out. The largest holders were BlackRock, Inc. ($17.9M), Mak Capital One LLC ($14.8M) and Vanguard Capital Management LLC ($11.6M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Perma-Fix Environmental SVCS
- CUSIP
- 714157203
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $14.3M |
| Exits | 9 | $671K |
All 13F filers, Q1 2026 → Q2 2026: 2,219,342 shares bought and 318,422 shares sold, net +1,900,920 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 88 holders
| BlackRock, Inc. | 0.00% | Add +7.0% | 1,252,756 | $17.9M |
| Mak Capital One LLC | 2.07% | Add +12.4% | 1,032,958 | $14.8M |
| Vanguard Capital Management LLC | 0.00% | Add +6.9% | 811,743 | $11.6M |
| Prescott Group Capital Management, L.L.C. | 0.96% | No change | 777,142 | $11.1M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.07% | Add +80.5% | 642,533 | $9.2M |
| Kennedy Capital Management LLC | 0.15% | New | 610,903 | $8.7M |
| Potomac Capital Management, Inc. | 4.99% | Add +60.8% | 477,000 | $6.8M |
| Geode Capital Management, LLC | 0.00% | Add +5.2% | 455,156 | $6.5M |
| Heartland Advisors Inc. | 0.25% | No change | 400,000 | $5.7M |
| State Street Corp. | 0.00% | Add +4.2% | 349,744 | $5.0M |
| Dimensional Fund Advisors LP | 0.00% | Add +16.6% | 191,063 | $2.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +14.1% | 162,755 | $2.3M |
| Susquehanna International Group, LLP | 0.00% | Add +1314.1% | 156,934 | $2.2M |
| Citadel Advisors | 0.00% | Add +120.2% | 152,626 | $2.2M |
| Northern Trust Corp. | 0.00% | Add +9.3% | 141,639 | $2.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.2% | 123,040 | $1.8M |
| Group One Trading LLC | 0.05% | Reduce -50.5% | 122,611 | $1.8M |
| Vanguard Portfolio Management LLC | 0.00% | Add +20.9% | 121,267 | $1.7M |
| North Star Investment Management Corp. | 0.09% | No change | 120,532 | $1.7M |
| Diametric Capital, LP | 0.17% | New | 114,714 | $1.6M |
| MYDA Advisors LLC | 0.32% | Reduce -25.0% | 90,000 | $1.3M |
| CM Wealth Advisors LLC | 0.23% | New | 87,839 | $1.3M |
| XTX Topco Ltd | 0.01% | Add +170.8% | 62,888 | $899K |
| Owls Nest Partners IA, LLC | 0.26% | New | 56,555 | $808K |
| Pale Fire Capital SE | 0.06% | Add +14.4% | 55,627 | $795K |
| Morgan Stanley | 0.00% | Add +98.7% | 53,084 | $759K |
| Jane Street Group, LLC | 0.00% | Add +63.5% | 46,651 | $667K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.8% | 45,249 | $647K |
| GatePass Capital, LLC | 0.25% | Add +50.4% | 44,742 | $639K |
| Corsair Capital Management, L.P. | 0.08% | Add +13.3% | 42,649 | $609K |
| Bank of America Corp. | 0.00% | Reduce -8.4% | 41,371 | $591K |
| Sei Investments Co. | 0.00% | New | 41,022 | $586K |
| Bank of New York Mellon Corp | 0.00% | Reduce -5.6% | 38,101 | $544K |
| Simplex Trading, LLC | 0.01% | Add +1.0% | 31,633 | $452K |
| UBS Group AG | 0.00% | Reduce -49.3% | 31,493 | $450K |
| Squarepoint Ops LLC | 0.00% | Reduce -40.4% | 30,976 | $443K |
| Wells Fargo & Company | 0.00% | Add +40.7% | 29,303 | $419K |
| D. E. Shaw & Co. | 0.00% | Reduce -60.5% | 24,858 | $355K |
| Alliancebernstein L.P. | 0.00% | New | 32,850 | $351K |
| Brown Advisory Inc. | 0.00% | Add +16.7% | 23,333 | $333K |
| Nuveen, LLC | 0.00% | No change | 22,454 | $321K |
| Trexquant Investment LP | 0.00% | New | 21,948 | $314K |
| Rhumbline Advisers | 0.00% | Reduce -2.5% | 20,879 | $298K |
| Rothschild Wealth LLC | 0.02% | No change | 20,600 | $294K |
| Quadrature Capital Ltd | 0.00% | New | 18,967 | $271K |
| Fifth Lane Capital, LP | 18.78% | New | 18,000 | $257K |
| Guidance Capital, Inc. | 0.05% | Add +2.3% | 16,683 | $256K |
| Bailard, Inc. | 0.01% | No change | 17,800 | $254K |
| Oxler Private Wealth LLC | 0.07% | No change | 17,005 | $243K |
| IMC-Chicago, LLC | 0.00% | Reduce -2.8% | 16,465 | $235K |
| Quent Capital, LLC | 0.01% | No change | 16,199 | $231K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.6% | 15,900 | $227K |
| Deutsche Bank AG | 0.00% | Add +5.1% | 15,366 | $220K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.3% | 11,681 | $167K |
| Vident Advisory, LLC | 0.00% | No change | 10,390 | $148K |
| MetLife Investment Management, LLC | 0.00% | Add +91.2% | 9,410 | $134K |
| Russell Investments Group, Ltd. | 0.00% | Add +404.1% | 8,731 | $125K |
| Citigroup Inc. | 0.00% | Add +906.0% | 8,239 | $118K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.3% | 8,115 | $116K |
| JPMorgan Chase & Co. | 0.00% | Add +5.5% | 7,469 | $98K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 5,742 | $82K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,649 | $81K |
| Capital Advisors, Ltd. LLC | 0.01% | No change | 5,000 | $71K |
| New York State Common Retirement Fund | 0.00% | No change | 4,400 | $63K |
| FMR LLC | 0.00% | Reduce -11.5% | 4,181 | $60K |
| Persistent Asset Partners Ltd | 0.02% | New | 3,912 | $56K |
| Barclays PLC | 0.00% | Reduce -17.3% | 2,708 | $39K |
| BNP Paribas Financial Markets | 0.00% | Reduce -32.4% | 2,482 | $35K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +16.8% | 1,784 | $25K |
| Legal & General Group Plc | 0.00% | No change | 1,558 | $22K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,232 | $18K |
| Global Retirement Partners, LLC | 0.00% | — | 744 | $11K |
| Royal Bank of Canada | 0.00% | Add +1058.0% | 579 | $9K |
| California State Teachers Retirement System | 0.00% | Reduce -74.0% | 243 | $3K |
| GAMMA Investing LLC | 0.00% | No change | 214 | $3K |
| Sterling Capital Management LLC | 0.00% | Reduce -79.8% | 101 | $1K |
| Arax Advisory Partners | 0.00% | New | 90 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 71 | $1K |
| Torren Management, LLC | 0.00% | No change | 53 | $757 |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +242.9% | 48 | $686 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 32 | $457 |
| Rothschild Investment LLC | 0.00% | No change | 20 | $286 |
| Essential Partners LLC | 0.00% | No change | 9 | $129 |
| Allworth Financial LP | 0.00% | New | 5 | $72 |
| CoreCap Advisors, LLC | 0.00% | No change | 5 | $71 |
| Optiver Holding B.V. | 0.00% | Reduce -98.8% | 2 | $29 |
| Morgan Dempsey Capital Management LLC | 0.00% | No change | 1 | $14 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $14 |
"% of holder's portfolio" is PESI's weight in each manager's 13F, not the share of Perma-Fix Environmental SVCS the manager owns.