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Disclosery

PESI PERMA-FIX ENVIRONMENTAL SVCS

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COMMON STOCK (common), issuer CIK 891532

82 managers (85 13F filers) reported a position in PESI shares at 2026-03-31, 7,569,045 shares in all. 13 filers opened a position and 13 filers sold out during the quarter.

Managers
82
13F filers
85
New
13
Added
20
Reduced
26
Sold out
13
Shares held by filers
7,569,045

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.1,170,303$12.5M<0.01%-27,68213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding984,748$10.5MnewTimeline
MAK CAPITAL ONE LLC918,673$9.82M1.63%013F-HRTimeline
Prescott Group Capital Management, L.L.…777,142$8.31M0.83%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC432,701$4.63M<0.01%+9,81113F-HRTimelineGroup
HEARTLAND ADVISORS INC400,000$4.28M0.22%013F-HRTimeline
Diamond Hill Capital Management, LLC (I…355,978$3.81M0.02%-30,86513F-HRTimeline
STATE STREET CORPin group STATE STREET CORP335,547$3.59M<0.01%+23,28013F-HRTimelineGroup
Potomac Capital Management, Inc.296,700$3.17M2.77%-45,10013F-HRTimeline
GROUP ONE TRADING LLC247,674$2.65M0.09%+243,64713F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP163,787$1.75M<0.01%-1,00013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC142,687$1.53M<0.01%+70,75013F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP129,568$1.39M<0.01%+6,05913F-HRTimelineGroup
North Star Investment Management Corp.120,532$1.29M0.08%+116,13213F-HRTimeline
MYDA Advisors LLC120,000$1.28M0.3%+20,00013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC69,313$741K<0.01%+33,18413F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.62,989$673K<0.01%-33,02013F-HRTimelineGroup
UBS Group AGin group UBS Group AG62,082$664K<0.01%+33,11813F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC51,940$555K<0.01%+15,09813F-HRTimelineGroup
Pale Fire Capital SEin group Pale Fire Capital48,626$520K0.05%+5,40613F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/45,190$483K<0.01%+1,52413F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co43,590$466K<0.01%-5,01713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp40,379$432K<0.01%-3,68013F-HRTimelineGroup
CORSAIR CAPITAL MANAGEMENT, L.P.37,649$402K0.06%+16,00013F-HRTimeline
SIMPLEX TRADING, LLC31,318$335K0.01%new13F-HRTimeline
GatePass Capital, LLC29,742$318K0.15%-35,00013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC28,525$305K<0.01%-115,71413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY26,718$286K<0.01%-40,01313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd23,227$248K<0.01%new13F-HRTimelineGroup
Nuveen, LLCin group TIAA22,454$240K<0.01%013F-HRTimelineGroup
RHUMBLINE ADVISERS21,410$229K<0.01%-1313F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN20,830$223K<0.01%-11,29613F-HR/ATimelineGroup
Rothschild Wealth LLC20,600$220K0.02%-145,70013F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC20,000$214K<0.01%new13F-HRTimelineGroup
GUIDANCE CAPITAL, INC16,302$211K0.05%-88313F-HRTimeline
BAILARD, INC.17,800$190K<0.01%013F-HRTimeline
Oxler Private Wealth LLC17,005$182K0.06%013F-HRTimeline
IMC-Chicago, LLC16,933$181K<0.01%new13F-HRTimeline
Quent Capital, LLC16,199$173K0.01%013F-HRTimeline
GSA CAPITAL PARTNERS LLP16,097$172K0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.16,000$171K<0.01%+10013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\14,621$156K<0.01%+2,62813F-HRTimelineGroup
Fermata Advisors, LLC12,936$138K0.03%+30113F-HRTimeline
Greenhaven Road Investment Management, …11,303$120K0.08%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/11,202$120K<0.01%013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.11,135$119K<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…11,098$119K<0.01%-87,17113F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC10,692$114K<0.01%new13F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC10,390$111K<0.01%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…8,223$87.9K<0.01%+20413F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,082$73.7K<0.01%-5813F-HR/ATimelineGroup
Police & Firemen's Retirement System of…5,649$60.4K<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC5,000$53K0.01%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…4,922$52.6K<0.01%-4,23213F-HRTimelineGroup
FMR LLCin group FMR LLC4,726$50.5K<0.01%-97813F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND4,400$47K<0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS3,669$39.2K<0.01%-15113F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC3,273$35K<0.01%-23,70813F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,732$18.5K<0.01%+12013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,558$16.7K<0.01%-5313F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,528$16.3K<0.01%-1,65413F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,232$13.2K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…936$10K<0.01%-12913F-HRTimeline
CITIGROUP INCin group CITIGROUP INC819$8.76K<0.01%+42813F-HRTimelineGroup
Sterling Capital Management LLC501$5.36K<0.01%-35913F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…500$5.34K<0.01%013F-HRTimelineGroup
GAMMA Investing LLC214$2.29K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC195$2.08K<0.01%+7813F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.170$1.82K<0.01%-12813F-HR/ATimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP140$1.49K<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA50$1K<0.01%-97713F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC71$759<0.01%013F-HRTimeline
Torren Management, LLC53$567<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC20$214<0.01%013F-HRTimeline
Caitong International Asset Management …14$150<0.01%new13F-HRTimeline
Essential Partners LLC9$96<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…8$86<0.01%013F-HRTimelineGroup
Sunbelt Securities, Inc.7$75<0.01%013F-HRTimeline
CoreCap Advisors, LLC5$53<0.01%013F-HRTimeline
Farther Finance Advisors, LLC2$22<0.01%new13F-HRTimeline
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC1$11<0.01%013F-HRTimeline
SBI Securities Co., Ltd.1$11<0.01%013F-HRTimeline