PERMA FIX ENVIRONMENTAL SERVICES INC - PESI

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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
BlackRock, Inc. History Added to 1,197,985 15,082 0.0% 0.0% 1 +30,253 2.59% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Added to 968,107 12,188 0.0% 0.0% 2 +32,165 3.44% Q4 2025 Jan 29, 2026
MAK CAPITAL ONE LLC History Added to 918,673 11,566 1.27% 1.27% 3 +103,097 12.64% Q4 2025 Feb 17, 2026
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. History No change 777,142 9,784 0.91% 0.83% 4 0 0.0% Q4 2025 Feb 06, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 422,890 5,325 0.0% 0.0% 5 +1,655 0.39% Q4 2025 Feb 09, 2026
HEARTLAND ADVISORS INC History Reduced 400,000 5,036 0.27% 0.24% 6 -58,250 -12.71% Q4 2025 Feb 11, 2026
DIAMOND HILL CAPITAL MANAGEMENT INC History Reduced 386,843 4,870 0.02% 0.02% 7 -14,716 -3.66% Q4 2025 Feb 06, 2026
Potomac Capital Management, Inc. History New 341,800 4,303 3.46% 8 +341,800 New Q4 2025 Feb 11, 2026
STATE STREET CORP History Added to 312,267 3,931 0.0% 0.0% 9 +13,879 4.65% Q4 2025 Feb 13, 2026
Rothschild Wealth LLC History New 166,300 2,093 0.2% 11 +166,300 New Q4 2025 Feb 17, 2026
PERRITT CAPITAL MANAGEMENT INC History Reduced 166,300 2,093 3.5% 0.84% 10 -9,000 -5.13% Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 164,787 2,075 0.0% 0.0% 12 +7,934 5.06% Q4 2025 Feb 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 151,969 1,913 0.0% 0.0% 13 +64,351 73.44% Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Added to 144,239 1,815 0.0% 0.0% 14 +86,038 147.83% Q4 2025 Feb 12, 2026
NORTHERN TRUST CORP History Reduced 123,509 1,554 0.0% 0.0% 15 -11,953 -8.82% Q4 2025 Feb 17, 2026
MYDA Advisors LLC History Added to 100,000 1,259 0.24% 0.11% 16 +50,000 100.0% Q4 2025 Feb 13, 2026
D. E. Shaw & Co., Inc. History Added to 96,009 1,208 0.0% 0.0% 17 +49,704 107.34% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 80,229 1,010 0.0% 0.0% 18 +5,165 6.88% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Added to 71,937 905 0.0% 0.0% 19 +7,683 11.96% Q4 2025 Mar 25, 2026
MORGAN STANLEY History Reduced 66,731 840 0.0% 0.0% 20 -32,916 -33.03% Q4 2025 Feb 13, 2026
Informed Momentum Co LLC History New 64,784 815 0.09% 21 +64,784 New Q4 2025 Feb 12, 2026
GatePass Capital, LLC History No change 64,742 815 0.42% 0.38% 22 0 0.0% Q4 2025 Feb 09, 2026
Ancora Advisors LLC History Reduced 57,927 729 0.02% 0.03% 23 -92,428 -61.47% Q4 2025 Feb 17, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 48,607 611 0.0% 0.0% 24 0 0.0% Q4 2025 Feb 13, 2026
Bank of New York Mellon Corp History Reduced 44,059 554 0.0% 0.0% 25 -656 -1.47% Q4 2025 Feb 10, 2026
BANK OF AMERICA CORP /DE/ History Reduced 43,666 549 0.0% 0.0% 26 -4,073 -8.53% Q4 2025 Feb 17, 2026
Pale Fire Capital SE History Reduced 43,220 544 0.04% 0.05% 27 -2,050 -4.53% Q4 2025 Feb 13, 2026
SEI INVESTMENTS CO History New 39,442 496 0.0% 28 +39,442 New Q4 2025 Feb 13, 2026
MILLENNIUM MANAGEMENT LLC History New 38,617 486 0.0% 29 +38,617 New Q4 2025 Feb 17, 2026
Squarepoint Ops LLC History New 36,842 463 0.0% 30 +36,842 New Q4 2025 Feb 13, 2026
ARS Investment Partners, LLC History Reduced 36,145 455 0.03% 0.03% 31 -4,815 -11.76% Q4 2025 Feb 05, 2026
WELLS FARGO & COMPANY/MN History Added to 32,126 404 0.0% 0.0% 32 +6,465 25.19% Q4 2025 Feb 13, 2026
UBS Group AG History Added to 28,964 364 0.0% 0.0% 33 +4,050 16.26% Q4 2025 Jan 29, 2026
BARCLAYS PLC History Added to 26,981 339 0.0% 0.0% 34 +2,612 10.72% Q4 2025 Feb 13, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 22,960 321 0.0% 35 +22,960 New Q4 2025 Feb 11, 2026
Nuveen, LLC History No change 22,454 282 0.0% 0.0% 36 0 0.0% Q4 2025 Feb 12, 2026
CORSAIR CAPITAL MANAGEMENT, L.P. History Reduced 21,649 272 0.04% 0.05% 37 -6,294 -22.52% Q4 2025 Feb 17, 2026
RHUMBLINE ADVISERS History Reduced 21,423 269 0.0% 0.0% 38 -1,499 -6.54% Q4 2025 Feb 13, 2026
Brookwood Investment Group LLC History Added to 20,873 262 0.03% 0.02% 39 +5,930 39.68% Q4 2025 Jan 22, 2026
GUIDANCE CAPITAL, INC History Reduced 17,185 254 0.06% 0.06% 40 -139 -0.8% Q4 2025 Jan 23, 2026
BAILARD, INC. History Reduced 17,800 224 0.0% 0.01% 41 -10,800 -37.76% Q4 2025 Feb 04, 2026
Oxler Private Wealth LLC History No change 17,005 214 0.06% 0.05% 42 0 0.0% Q4 2025 Jan 23, 2026
Quent Capital, LLC History New 16,199 203 0.01% 43 +16,199 New Q4 2025 Jan 29, 2026
OSAIC HOLDINGS, INC. History Reduced 15,900 200 0.0% 0.0% 44 -20,000 -55.71% Q4 2025 Feb 17, 2026
HRT FINANCIAL LP History New 14,585 183 0.0% 45 +14,585 New Q4 2025 Feb 12, 2026
Fermata Advisors, LLC History Reduced 12,635 159 0.04% 0.04% 46 -2,688 -17.54% Q4 2025 Jan 08, 2026
DEUTSCHE BANK AG\ History Added to 11,993 150 0.0% 47 +11,930 18936.51% Q4 2025 Feb 11, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 11,202 142 0.0% 48 +11,202 New Q4 2025 Feb 17, 2026
MetLife Investment Management, LLC History Added to 9,154 115 0.0% 0.0% 49 +5,784 171.63% Q4 2025 Feb 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 8,019 100 0.0% 0.0% 50 -286 -3.44% Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Added to 7,140 89 0.0% 0.0% 51 +109 1.55% Q4 2025 Feb 11, 2026
FMR LLC History Added to 5,704 71 0.0% 0.0% 52 +1,303 29.61% Q4 2025 Feb 17, 2026
Police & Firemen's Retirement System of New Jersey History No change 5,649 71 0.0% 0.0% 53 0 0.0% Q4 2025 Feb 13, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 4,400 55 0.0% 0.0% 54 0 0.0% Q4 2025 Feb 12, 2026
North Star Investment Management Corp. History No change 4,400 55 0.0% 0.0% 55 0 0.0% Q4 2025 Jan 30, 2026
GROUP ONE TRADING LLC History Reduced 4,027 50 0.0% 0.0% 56 -2,099 -34.26% Q4 2025 Feb 12, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 3,820 48 0.0% 0.0% 57 +470 14.03% Q4 2025 Feb 10, 2026
Tower Research Capital LLC (TRC) History Added to 3,182 40 0.0% 0.0% 58 +2,182 218.2% Q4 2025 Feb 17, 2026
Russell Investments Group, Ltd. History Added to 1,612 20 0.0% 0.0% 60 +28 1.77% Q4 2025 Feb 17, 2026
Legal & General Group Plc History No change 1,611 20 0.0% 0.0% 59 0 0.0% Q4 2025 Feb 09, 2026
Ameritas Investment Partners, Inc. History No change 1,232 15 0.0% 0.0% 61 0 0.0% Q4 2025 Feb 11, 2026
ROYAL BANK OF CANADA History New 1,027 13 0.0% 62 +1,027 New Q4 2025 Feb 17, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 1,065 13 0.0% 0.0% 63 -10 -0.93% Q4 2025 Feb 17, 2026
FLAGSHIP HARBOR ADVISORS, LLC History New 910 11 0.0% 64 +910 New Q4 2025 Jan 21, 2026
Sterling Capital Management LLC History Reduced 860 10 0.0% 0.0% 65 -156 -15.35% Q4 2025 Feb 13, 2026
AMALGAMATED BANK History Reduced 544 7 0.0% 0.0% 66 -39 -6.69% Q4 2025 Feb 05, 2026
Global Retirement Partners, LLC History New 500 6 0.0% 68 +500 New Q4 2025 Feb 06, 2026
Rockefeller Capital Management L.P. History No change 500 6 0.0% 0.0% 67 0 0.0% Q4 2025 Mar 16, 2026
CITIGROUP INC History Added to 391 4 0.0% 0.0% 69 +108 38.16% Q4 2025 Feb 13, 2026
Optiver Holding B.V. History No change 298 3 0.0% 0.0% 70 0 0.0% Q4 2025 Feb 17, 2026
GAMMA Investing LLC History Reduced 214 2 0.0% 0.0% 71 -33 -13.36% Q4 2025 Jan 05, 2026
CWM, LLC History Reduced 117 1 0.0% 0.0% 72 -19 -13.97% Q4 2025 Jan 26, 2026
VAN ECK ASSOCIATES CORP History Closed out 0 0 0.0% -220,289 -100.0% Q3 2025 Nov 13, 2025
ESSEX INVESTMENT MANAGEMENT CO LLC History Closed out 0 0 0.3% -196,197 -100.0% Q3 2025 Nov 06, 2025
Legato Capital Management LLC History Closed out 0 0 0.06% -56,459 -100.0% Q3 2025 Nov 12, 2025
Trexquant Investment LP History Closed out 0 0 0.0% -42,156 -100.0% Q3 2025 Nov 14, 2025
BLUE SQUARE ASSET MANAGEMENT, LLC History Closed out 0 0 0.09% -20,100 -100.0% Q3 2025 Oct 28, 2025
Verition Fund Management LLC History Closed out 0 0 0.0% -14,456 -100.0% Q3 2025 Nov 14, 2025
SIMPLEX TRADING, LLC History Closed out 0 0 0.0% -11,204 -100.0% Q3 2025 Nov 12, 2025
AlphaQuest LLC History Reduced 1 0 0.0% -718 -99.86% Q4 2025 Feb 09, 2026
Arax Advisory Partners History Reduced 9 0 0.0% -217 -96.02% Q4 2025 Feb 13, 2026
Torren Management, LLC History New 53 0 +53 New Q4 2025 Jan 30, 2026
EverSource Wealth Advisors, LLC History Reduced 3 0 -16 -84.21% Q4 2025 Feb 06, 2026
ROTHSCHILD INVESTMENT LLC History No change 20 0 0 0.0% Q4 2025 Feb 10, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 8 0 0 0.0% Q4 2025 Feb 06, 2026
NISA INVESTMENT ADVISORS, LLC History No change 71 0 0 0.0% Q4 2025 Jan 15, 2026
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC History No change 1 0 0 0.0% Q4 2025 Feb 13, 2026
Sunbelt Securities, Inc. History No change 7 0 0 0.0% Q4 2025 Feb 20, 2026
SBI Securities Co., Ltd. History No change 1 0 0 0.0% Q4 2025 Feb 03, 2026
CoreCap Advisors, LLC History No change 5 0 0 0.0% Q4 2025 Jan 13, 2026