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Disclosery

PESI PERMA-FIX ENVIRONMENTAL SVCS

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COMMON STOCK (common), issuer CIK 891532

86 managers (89 13F filers) reported a position in PESI shares at 2026-06-30, 9,470,555 shares in all. 14 filers opened a position and 9 filers sold out during the quarter.

Managers
86
13F filers
89
New
14
Added
34
Reduced
17
Sold out
9
Shares held by filers
9,470,555

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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.1,252,756$17.9M<0.01%+82,45313F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding1,061,792$15.2M+77,044Timeline
MAK CAPITAL ONE LLC1,032,958$14.8M2.07%+114,28513F-HRTimeline
Prescott Group Capital Management, L.L.…777,142$11.1M0.96%013F-HRTimeline
Diamond Hill Capital Management, LLC (I…642,533$9.18M0.07%+286,55513F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC610,903$8.73M0.15%new13F-HRTimeline
Potomac Capital Management, Inc.477,000$6.82M4.99%+180,30013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC455,156$6.51M<0.01%+22,45513F-HRTimelineGroup
HEARTLAND ADVISORS INC400,000$5.72M0.25%013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP349,744$5M<0.01%+14,19713F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP191,063$2.73M<0.01%+27,27613F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC162,755$2.33M<0.01%+20,06813F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…156,934$2.24M<0.01%+145,83613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC152,626$2.18M<0.01%+83,31313F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP141,639$2.02M<0.01%+12,07113F-HRTimelineGroup
GROUP ONE TRADING LLC122,611$1.75M0.05%-125,06313F-HRTimeline
North Star Investment Management Corp.120,532$1.72M0.09%013F-HRTimeline
Diametric Capital, LP114,714$1.64M0.17%new13F-HRTimeline
MYDA Advisors LLC90,000$1.29M0.31%-30,00013F-HRTimeline
CM WEALTH ADVISORS LLC87,839$1.26M0.23%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd62,888$899K0.01%+39,66113F-HRTimelineGroup
Owls Nest Partners IA, LLC56,555$808K0.26%new13F-HRTimeline
Pale Fire Capital SEin group Pale Fire Capital55,627$795K0.06%+7,00113F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY53,084$759K<0.01%+26,36613F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC46,651$667K<0.01%+18,12613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co45,249$647K<0.01%+1,65913F-HRTimelineGroup
GatePass Capital, LLC44,742$639K0.24%+15,00013F-HRTimeline
CORSAIR CAPITAL MANAGEMENT, L.P.42,649$609K0.08%+5,00013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/41,371$591K<0.01%-3,81913F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO41,022$586K<0.01%new13F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp38,101$544K<0.01%-2,27813F-HRTimelineGroup
SIMPLEX TRADING, LLC31,633$452K0.01%+31513F-HRTimeline
UBS Group AGin group UBS Group AG31,493$450K<0.01%-30,58913F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC30,976$443K<0.01%-20,96413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN29,303$419K<0.01%+8,47313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.24,858$355K<0.01%-38,13113F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.32,850$351K<0.01%new13F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC23,333$333K<0.01%+3,33313F-HRTimelineGroup
Nuveen, LLCin group TIAA22,454$321K<0.01%013F-HRTimelineGroup
Trexquant Investment LP21,948$314K<0.01%new13F-HRTimeline
RHUMBLINE ADVISERS20,879$298K<0.01%-53113F-HRTimeline
Rothschild Wealth LLC20,600$294K0.02%013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd18,967$271K<0.01%new13F-HRTimelineGroup
FIFTH LANE CAPITAL, LP18,000$257K15.77%new13F-HRTimeline
GUIDANCE CAPITAL, INC16,683$256K0.05%+38113F-HRTimeline
BAILARD, INC.17,800$254K0.01%013F-HRTimeline
Oxler Private Wealth LLC17,005$243K0.07%013F-HRTimeline
IMC-Chicago, LLC16,465$235K<0.01%-46813F-HRTimeline
Quent Capital, LLC16,199$231K0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.15,900$227K<0.01%-10013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\15,366$220K<0.01%+74513F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/11,681$167K<0.01%+47913F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC10,390$148K<0.01%013F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…9,410$134K<0.01%+4,48813F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…8,731$125K<0.01%+6,99913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC8,239$118K<0.01%+7,42013F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…8,115$116K<0.01%-10813F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,469$98.1K<0.01%+38713F-HRTimelineGroup
Police & Firemen's Retirement System of…5,649$80.7K<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC5,000$71K0.01%013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND4,400$62.9K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC4,181$59.7K<0.01%-54513F-HRTimelineGroup
Persistent Asset Partners Ltd3,912$55.9K0.02%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC2,708$38.7K<0.01%-56513F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS2,482$35.5K<0.01%-1,18713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,784$25.5K<0.01%+25613F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,558$22.3K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,232$17.6K<0.01%013F-HRTimelineGroup
Global Retirement Partners, LLC744$10.6K<0.01%13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA579$9K<0.01%+52913F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…243$3.47K<0.01%-69313F-HR/ATimeline
GAMMA Investing LLC214$3.06K<0.01%013F-HRTimeline
Sterling Capital Management LLC101$1.44K<0.01%-40013F-HRTimeline
Arax Advisory Partners90$1.29K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC71$1.01K<0.01%013F-HRTimeline
Torren Management, LLC53$757<0.01%013F-HRTimeline
Integrated Wealth Concepts LLC48$686<0.01%new13F-HRTimeline
Caitong International Asset Management …48$686<0.01%+3413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…32$457<0.01%new13F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC20$286<0.01%013F-HRTimeline
Essential Partners LLC9$129<0.01%013F-HRTimeline
Allworth Financial LP5$72<0.01%new13F-HRTimeline
CoreCap Advisors, LLC5$71<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.2$29<0.01%-16813F-HRTimelineGroup
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC1$14<0.01%013F-HRTimeline
SBI Securities Co., Ltd.1$14<0.01%013F-HRTimeline