Perma-Fix Environmental SVCSPESI

13F holders, Q4 2025 (December 31)
84holders +7
12new positions
7sold out
3famous investors
$12.60avg. 13F price*

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

020406080100 Q1 2024: 41Q1 2024Q2 2024: 58Q2 2024Q3 2024: 68Q3 2024Q4 2024: 73Q4 2024Q1 2025: 75Q1 2025Q2 2025: 69Q2 2025Q3 2025: 77Q3 2025Q4 2025: 84Q4 2025Q1 2026: 85Q1 2026Q2 2026: 88Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions12$6.5M
Exits7$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.