Skip to main content

Perma Fix Environmental Services Inc

PESI
Exchange
Nasdaq
Industry
Hazardous Waste Management
SEC CIK
0000891532

No open-market purchases or sales by Perma Fix Environmental Services Inc insiders were filed in the last 90 days; 88 institutions reported holding it in 13F filings for Q2 2026, worth $135.2M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Perma Fix Environmental Services Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
70
−6 vs. Q1 2025
Shares held
6.69M
−59.4K (−0.9%) vs. Q1 2025
Total value
$70.4M
+$21.0M (+42.5%) vs. Q1 2025
New holders
7
28 more added
Sold out
13
20 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PESI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 70 institutions
Q1 2021: 24 institutionsQ2 2021: 24 institutionsQ3 2021: 24 institutionsQ4 2021: 29 institutionsQ1 2022: 29 institutionsQ2 2022: 29 institutionsQ3 2022: 28 institutionsQ4 2022: 30 institutionsQ1 2023: 32 institutionsQ2 2023: 37 institutionsQ3 2023: 43 institutionsQ4 2023: 43 institutionsQ1 2024: 41 institutionsQ2 2024: 58 institutionsQ3 2024: 68 institutionsQ4 2024: 74 institutionsQ1 2025: 76 institutionsQ2 2025: 70 institutionsQ3 2025: 77 institutionsQ4 2025: 84 institutionsQ1 2026: 85 institutionsQ2 2026: 88 institutions
Value heldQ2 2025: $70.4M
Q1 2021: $23.8MQ2 2021: $22.8MQ3 2021: $21.3MQ4 2021: $22.1MQ1 2022: $20.7MQ2 2022: $19.7MQ3 2022: $17.0MQ4 2022: $12.7MQ1 2023: $41.6MQ2 2023: $35.8MQ3 2023: $34.9MQ4 2023: $27.4MQ1 2024: $36.9MQ2 2024: $48.8MQ3 2024: $71.2MQ4 2024: $81.6MQ1 2025: $49.4MQ2 2025: $70.4MQ3 2025: $75.0MQ4 2025: $99.2MQ1 2026: $80.9MQ2 2026: $135.2M
Institutions holding PESI and their total value by quarter
QuarterHoldersValue
Q2 202688$135.2M
Q1 202685$80.9M
Q4 202584$99.2M
Q3 202577$75.0M
Q2 202570$70.4M
Q1 202576$49.4M
Q4 202474$81.6M
Q3 202468$71.2M
Q2 202458$48.8M
Q1 202441$36.9M
Q4 202343$27.4M
Q3 202343$34.9M
Q2 202337$35.8M
Q1 202332$41.6M
Q4 202230$12.7M
Q3 202228$17.0M
Q2 202229$19.7M
Q1 202229$20.7M
Q4 202129$22.1M
Q3 202124$21.3M
Q2 202124$22.8M
Q1 202124$23.8M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Perma Fix Environmental Services Inc; share changes are against Q1 2025.

Institutions holding PESI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,180,484$12.4M0.00%+87,962+8.1%Added
Vanguard Group Inc914,607$9.62M0.00%+29,220+3.3%Added
Prescott Group Capital Management, L.L.C.777,142$8.18M0.96%00.0%Unchanged
Heartland Advisors Inc481,150$5.06M0.28%+25,750+5.7%Added
Geode Capital Management, LLC421,959$4.44M0.00%+28,781+7.3%Added
Diamond Hill Capital Management Inc394,416$4.15M0.02%−22,246−5.3%Reduced
State Street Corp288,483$3.03M0.00%+96,209+50.0%Added
Essex Investment Management Co LLC189,715$2.00M0.36%−1,372−0.7%Reduced
Ancora Advisors, LLC180,789$1.90M0.04%+22,944+14.5%Added
Perritt Capital Management Inc176,700$1.86M0.96%−11,000−5.9%Reduced
Van Eck Associates Corp172,797$1.82M0.00%−47,215−21.5%Reduced
MYDA Advisors LLC169,208$1.78M0.50%−30,792−15.4%Reduced
Dimensional Fund Advisors LP152,375$1.60M0.00%+28,413+22.9%Added
Northern Trust Corp133,806$1.41M0.00%−5,398−3.9%Reduced
Mak Capital One LLC92,610$974.3K0.17%+92,610New
ARS Investment Partners, LLC84,225$886.0K0.06%+986+1.2%Added
GatePass Capital, LLC78,961$830.7K0.55%00.0%Unchanged
Morgan Stanley69,036$726.3K0.00%+32,283+87.8%Added
Susquehanna International Group, LLP67,241$707.4K0.00%+14,027+26.4%Added
Legato Capital Management LLC56,459$593.9K0.07%−139−0.2%Reduced
Charles Schwab Investment Management Inc49,390$519.6K0.00%+3,146+6.8%Added
Bank of New York Mellon Corp44,356$466.6K0.00%+10,473+30.9%Added
UBS Group AG34,054$358.2K0.00%−22,998−40.3%Reduced
Congress Wealth Management LLC30,500$320.9K0.00%+10,000+48.8%Added
Citadel Advisors LLC30,473$320.6K0.00%−82,430−73.0%Reduced
Commons Capital, LLC30,350$319.3K0.24%00.0%Unchanged
Barclays PLC29,500$310.3K0.00%+11,108+60.4%Added
Bailard, Inc.28,600$300.9K0.01%−260−0.9%Reduced
Pale Fire Capital SE25,689$270.2K0.03%+15,609+154.9%Added
Moody National Bank Trust Division25,000$263.0K0.02%00.0%Unchanged
Wells Fargo & Company23,569$247.9K0.00%+15,489+191.7%Added
Rhumbline Advisers23,525$247.5K0.00%+6,321+36.7%Added
Nuveen, LLC22,454$236.2K0.00%+5,559+32.9%Added
Jane Street Group, LLC22,059$232.1K0.00%+22,059New
Bridgeway Capital Management, LLC20,300$213.6K0.01%00.0%Unchanged
XTX Topco Ltd18,956$199.4K0.01%+18,956New
Marshall Wace, LLP18,405$193.6K0.00%+18,405New
Oxler Private Wealth LLC17,005$178.9K0.06%00.0%Unchanged
Fermata Advisors, LLC16,309$171.6K0.05%+940+6.1%Added
Deutsche Bank AG15,185$159.7K0.00%−294−1.9%Reduced
MetLife Investment Management12,039$126.7K0.00%+4,419+58.0%Added
Brookwood Investment Group LLC10,134$106.6K0.02%−6,710−39.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.9,823$103.3K0.00%−26−0.3%Reduced
Bank of America Corp8,975$94.4K0.00%−2,000−18.2%Reduced
JPMorgan Chase & Co8,176$86.0K0.00%−61−0.7%Reduced
Citigroup Inc5,858$61.6K0.00%−6,176−51.3%Reduced
New York State Common Retirement Fund4,400$46.3K0.00%00.0%Unchanged
FMR LLC3,639$38.3K0.00%+2,959+435.1%Added
Police & Firemen's Retirement System of New Jersey3,336$35.1K0.00%00.0%Unchanged
Group One Trading, L.P.2,743$28.9K0.00%+2,022+280.4%Added
Advisor Group Holdings, Inc.2,140$22.5K0.00%+1,740+435.0%Added
Tower Research Capital LLC (TRC)2,030$21.4K0.00%−1,836−47.5%Reduced
Royal Bank of Canada1,715$19.0K0.00%+1,392+431.0%Added
BNP Paribas Arbitrage, SA1,651$17.4K0.00%+732+79.7%Added
Legal & General Group Plc1,611$16.9K0.00%−251−13.5%Reduced
Ameritas Investment Partners, Inc.1,232$13.0K0.00%00.0%Unchanged
Raymond James Financial Inc1,160$12.2K0.00%+1,160New
California State Teachers Retirement System1,074$11.3K0.00%00.0%Unchanged
Amalgamated Bank583$6.00K0.00%00.0%Unchanged
Sterling Capital Management LLC401$4.22K0.00%+388+2,984.6%Added
GAMMA Investing LLC335$3.52K0.00%−296−46.9%Reduced
Russell Investments Group, Ltd.192$2.02K0.00%+192New
CWM, LLC89$1.00K0.00%+71+394.4%Added
Nisa Investment Advisors, LLC71$7470.00%+37+108.8%Added
IFP Advisors, Inc0$6320.00%0Unchanged
EverSource Wealth Advisors, LLC60$6310.00%+60New
Rothschild Investment LLC20$2100.00%00.0%Unchanged
CoreCap Advisors, LLC5$530.00%00.0%Unchanged
SBI Securities Co., Ltd.1$110.00%−20−95.2%Reduced
Morgan Dempsey Capital Management LLC1$110.00%00.0%Unchanged
Alyeska Investment Group, L.P.0$00.00%−147,417−100.0%Sold out
Thompson Siegel & Walmsley LLC0$00.00%−104,778−100.0%Sold out
Squarepoint Ops LLC0$00.00%−73,014−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−24,698−100.0%Sold out
Millennium Management LLC0$00.00%−16,148−100.0%Sold out
Thompson Davis & Co., Inc.0$00.00%−13,440−100.0%Sold out
Renaissance Technologies LLC0$00.00%−11,474−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−10,950−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−10,569−100.0%Sold out
Simplex Trading, LLC0$00.00%−8,419−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−8,284−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−1,094−100.0%Sold out
Indiana Trust & Investment Management CO0$00.00%−65−100.0%Sold out