PERMA FIX ENVIRONMENTAL SERVICES INC - PESI
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FIFTH LANE CAPITAL, LP | History | New | 18,000 | 257,220 | 15.77% | — | 1 | +18,000 | New | Q2 2026 | Aug 06, 2026 |
| BlackRock, Inc. | History | Added to | 1,252,756 | 17,901 | 0.0% | 0.0% | 2 | +82,453 | 7.05% | Q2 2026 | Aug 07, 2026 |
| MAK CAPITAL ONE LLC | History | Added to | 1,032,958 | 14,760 | 2.07% | 1.45% | 3 | +114,285 | 12.44% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 811,743 | 11,599 | 0.0% | 0.0% | 4 | +52,308 | 6.89% | Q2 2026 | Aug 13, 2026 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | History | No change | 777,142 | 11,105 | 0.96% | 0.83% | 5 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Diamond Hill Capital Management, LLC (Investment Advisor) | History | Added to | 642,533 | 9,181 | 0.07% | 0.02% | 6 | +286,555 | 80.5% | Q2 2026 | Aug 06, 2026 |
| KENNEDY CAPITAL MANAGEMENT LLC | History | New | 610,903 | 8,729 | 0.15% | — | 7 | +610,903 | New | Q2 2026 | Aug 14, 2026 |
| Potomac Capital Management, Inc. | History | Added to | 477,000 | 6,816 | 4.65% | 2.76% | 8 | +180,300 | 60.77% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 455,156 | 6,506 | 0.0% | 0.0% | 9 | +22,455 | 5.19% | Q2 2026 | Aug 12, 2026 |
| HEARTLAND ADVISORS INC | History | No change | 400,000 | 5,716 | 0.25% | 0.22% | 10 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| STATE STREET CORP | History | Added to | 349,744 | 4,997 | 0.0% | 0.0% | 11 | +14,197 | 4.23% | Q2 2026 | Sep 22, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 249,734 | 3,568 | 0.0% | 0.0% | 12 | +88,136 | 54.54% | Q2 2026 | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 191,063 | 2,728 | 0.0% | 0.0% | 13 | +27,276 | 16.65% | Q2 2026 | Aug 11, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 166,426 | 2,378 | 0.0% | 0.0% | 14 | +81,613 | 96.23% | Q2 2026 | Sep 02, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 162,755 | 2,325 | 0.0% | 0.0% | 15 | +20,068 | 14.06% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Added to | 141,639 | 2,024 | 0.0% | 0.0% | 16 | +12,071 | 9.32% | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 123,040 | 1,758 | 0.0% | 0.0% | 17 | +3,787 | 3.18% | Q2 2026 | Aug 13, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 122,611 | 1,752 | 0.0% | 0.01% | 18 | -379,363 | -75.57% | Q2 2026 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | Added to | 121,267 | 1,732 | 0.0% | 0.0% | 19 | +20,949 | 20.88% | Q2 2026 | Aug 13, 2026 |
| North Star Investment Management Corp. | History | No change | 120,532 | 1,722 | 0.09% | 0.08% | 20 | 0 | 0.0% | Q2 2026 | Jul 28, 2026 |
| Diametric Capital, LP | History | New | 114,714 | 1,639 | 0.17% | — | 21 | +114,714 | New | Q2 2026 | Aug 14, 2026 |
| MYDA Advisors LLC | History | Reduced | 90,000 | 1,286 | 0.19% | 0.21% | 22 | -30,000 | -25.0% | Q2 2026 | Aug 13, 2026 |
| CM WEALTH ADVISORS LLC | History | New | 87,839 | 1,255 | 0.23% | — | 23 | +87,839 | New | Q2 2026 | Aug 10, 2026 |
| XTX Topco Ltd | History | Added to | 62,888 | 898 | 0.01% | 0.0% | 24 | +39,661 | 170.75% | Q2 2026 | Aug 14, 2026 |
| Owls Nest Partners IA, LLC | History | New | 56,555 | 808 | 0.26% | — | 25 | +56,555 | New | Q2 2026 | Aug 13, 2026 |
| Pale Fire Capital SE | History | Added to | 55,627 | 794 | 0.06% | 0.05% | 26 | +7,001 | 14.4% | Q2 2026 | Aug 13, 2026 |
| MORGAN STANLEY | History | Added to | 53,084 | 758 | 0.0% | 0.0% | 27 | +26,366 | 98.68% | Q2 2026 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 46,651 | 666 | 0.0% | 0.0% | 28 | -32,874 | -41.34% | Q2 2026 | Aug 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 45,249 | 646 | 0.0% | 0.0% | 29 | +1,659 | 3.81% | Q2 2026 | Aug 14, 2026 |
| GatePass Capital, LLC | History | Added to | 44,742 | 639 | 0.24% | 0.15% | 30 | +15,000 | 50.43% | Q2 2026 | Jul 30, 2026 |
| IMC-Chicago, LLC | History | Added to | 44,565 | 636 | 0.0% | 0.0% | 31 | +7,432 | 20.01% | Q2 2026 | Aug 06, 2026 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | Added to | 42,649 | 609 | 0.08% | 0.06% | 32 | +5,000 | 13.28% | Q2 2026 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 41,371 | 591 | 0.0% | 0.0% | 33 | -3,819 | -8.45% | Q2 2026 | Aug 14, 2026 |
| SEI INVESTMENTS CO | History | New | 41,022 | 586 | 0.0% | — | 34 | +41,022 | New | Q2 2026 | Aug 14, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 38,101 | 544 | 0.0% | 0.0% | 35 | -2,278 | -5.64% | Q2 2026 | Aug 06, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 34,633 | 494 | 0.0% | 0.0% | 36 | -9,785 | -22.03% | Q2 2026 | Aug 12, 2026 |
| UBS Group AG | History | Reduced | 31,493 | 450 | 0.0% | 0.0% | 37 | -30,589 | -49.27% | Q2 2026 | Aug 13, 2026 |
| Squarepoint Ops LLC | History | Reduced | 30,976 | 442 | 0.0% | 0.0% | 38 | -20,964 | -40.36% | Q2 2026 | Aug 14, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 29,303 | 418 | 0.0% | 0.0% | 39 | +8,473 | 40.68% | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | History | Reduced | 24,858 | 355 | 0.0% | 0.0% | 40 | -38,131 | -60.54% | Q2 2026 | Aug 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | New | 32,850 | 351 | 0.0% | — | 41 | +32,850 | New | Q2 2026 | Aug 14, 2026 |
| BROWN ADVISORY INC | History | Added to | 23,333 | 333 | 0.0% | 0.0% | 42 | +3,333 | 16.67% | Q2 2026 | Aug 14, 2026 |
| Nuveen, LLC | History | No change | 22,454 | 320 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Trexquant Investment LP | History | New | 21,948 | 313 | 0.0% | — | 44 | +21,948 | New | Q2 2026 | Aug 14, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 20,879 | 298 | 0.0% | 0.0% | 45 | -531 | -2.48% | Q2 2026 | Aug 11, 2026 |
| Rothschild Wealth LLC | History | No change | 20,600 | 294 | 0.02% | 0.02% | 46 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Quadrature Capital Ltd | History | New | 18,967 | 271 | 0.0% | — | 47 | +18,967 | New | Q2 2026 | Aug 06, 2026 |
| GUIDANCE CAPITAL, INC | History | Added to | 16,683 | 256 | 0.05% | 0.05% | 48 | +381 | 2.34% | Q2 2026 | Jul 20, 2026 |
| BAILARD, INC. | History | No change | 17,800 | 254 | 0.01% | 0.0% | 49 | 0 | 0.0% | Q2 2026 | Jul 30, 2026 |
| Oxler Private Wealth LLC | History | No change | 17,005 | 243 | 0.07% | 0.06% | 50 | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| Quent Capital, LLC | History | No change | 16,199 | 231 | 0.01% | 0.01% | 51 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 15,900 | 227 | 0.0% | 0.0% | 52 | -100 | -0.63% | Q2 2026 | Aug 14, 2026 |
| DEUTSCHE BANK AG\ | History | Added to | 15,366 | 219 | 0.0% | 0.0% | 53 | +745 | 5.1% | Q2 2026 | Aug 07, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Added to | 11,681 | 167 | 0.0% | 0.0% | 54 | +479 | 4.28% | Q2 2026 | Aug 14, 2026 |
| Vident Advisory, LLC | History | No change | 10,390 | 148 | 0.0% | 0.0% | 55 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| MetLife Investment Management, LLC | History | Added to | 9,410 | 134 | 0.0% | 0.0% | 56 | +4,488 | 91.18% | Q2 2026 | Aug 13, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 8,731 | 124 | 0.0% | 0.0% | 57 | +6,999 | 404.1% | Q2 2026 | Aug 06, 2026 |
| CITIGROUP INC | History | Added to | 8,239 | 117 | 0.0% | 0.0% | 58 | +7,420 | 905.98% | Q2 2026 | Aug 03, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 8,115 | 115 | 0.0% | 0.0% | 59 | -108 | -1.31% | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 7,469 | 98 | 0.0% | 0.0% | 60 | +387 | 5.46% | Q2 2026 | Aug 12, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 5,742 | 82 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 5,649 | 80 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| Capital Advisors, Ltd. LLC | History | No change | 5,000 | 71 | 0.01% | 0.01% | 63 | 0 | 0.0% | Q2 2026 | Jul 16, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 4,400 | 62 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| FMR LLC | History | Reduced | 4,181 | 59 | 0.0% | 0.0% | 65 | -545 | -11.53% | Q2 2026 | Aug 13, 2026 |
| Persistent Asset Partners Ltd | History | New | 3,912 | 55 | 0.02% | — | 66 | +3,912 | New | Q2 2026 | Aug 06, 2026 |
| BARCLAYS PLC | History | Reduced | 2,708 | 38 | 0.0% | 0.0% | 67 | -565 | -17.26% | Q2 2026 | Aug 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 2,482 | 35 | 0.0% | 0.0% | 68 | -1,187 | -32.35% | Q2 2026 | Aug 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,784 | 25 | 0.0% | 0.0% | 69 | +256 | 16.75% | Q2 2026 | Aug 11, 2026 |
| Legal & General Group Plc | History | No change | 1,558 | 22 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 1,232 | 17 | 0.0% | 0.0% | 71 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Global Retirement Partners, LLC | History | New | 744 | 10 | 0.0% | — | 72 | +744 | New | Q2 2026 | Aug 06, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 579 | 9 | 0.0% | 0.0% | 73 | +529 | 1058.0% | Q2 2026 | Aug 14, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 243 | 3 | 0.0% | 0.0% | 74 | -693 | -74.04% | Q2 2026 | Aug 24, 2026 |
| GAMMA Investing LLC | History | No change | 214 | 3 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q2 2026 | Jul 07, 2026 |
| CWM, LLC | History | No change | 195 | 2 | 0.0% | 0.0% | 76 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Sterling Capital Management LLC | History | Reduced | 101 | 1 | 0.0% | 0.0% | 78 | -400 | -79.84% | Q2 2026 | Jul 28, 2026 |
| Arax Advisory Partners | History | New | 90 | 1 | 0.0% | — | 79 | +90 | New | Q2 2026 | Aug 10, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 71 | 1 | 0.0% | — | 77 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.01% | — | -16,097 | -100.0% | Q2 2026 | Aug 06, 2026 |
| Fermata Advisors, LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -12,936 | -100.0% | Q2 2026 | Jul 07, 2026 |
| Greenhaven Road Investment Management, L.P. | History | Closed out | 0 | 0 | — | 0.08% | — | -11,303 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -11,135 | -100.0% | Q2 2026 | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,692 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Rockefeller Capital Management L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Optiver Holding B.V. | History | Reduced | 2 | 0 | — | 0.0% | — | -168 | -98.82% | Q2 2026 | Aug 12, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Closed out | 0 | 0 | — | 0.0% | — | -140 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Caitong International Asset Management Co., Ltd | History | Added to | 48 | 0 | — | — | — | +34 | 242.86% | Q2 2026 | Aug 04, 2026 |
| EverSource Wealth Advisors, LLC | History | New | 32 | 0 | — | — | — | +32 | New | Q2 2026 | Jul 24, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | — | — | -8 | -100.0% | Q2 2026 | Aug 07, 2026 |
| Allworth Financial LP | History | New | 5 | 0 | — | — | — | +5 | New | Q2 2026 | Aug 11, 2026 |
| Farther Finance Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q2 2026 | Jul 17, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| MORGAN DEMPSEY CAPITAL MANAGEMENT LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| Sunbelt Securities, Inc. | History | No change | 7 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 22, 2026 |
| CoreCap Advisors, LLC | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 06, 2026 |
| Torren Management, LLC | History | No change | 53 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 10, 2026 |
| Essential Partners LLC | History | No change | 9 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |