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Perma-Fix Environmental Services (PESI) Institutional Ownership

Perma-Fix Environmental Services logo
$11.38 -0.35 (-2.98%)
Closing price 07/18/2025 04:00 PM Eastern
Extended Trading
$11.38 +0.00 (+0.04%)
As of 07/18/2025 04:37 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Perma-Fix Environmental Services (NASDAQ:PESI)

Current
Institutional Ownership
Percentage
25.52%
Number of
Institutional Buyers
(last 12 months)
48
Total
Institutional Inflows
(last 12 months)
$35.47M
Number of
Institutional Sellers
(last 12 months)
18
Total
Institutional Outflows
(last 12 months)
$9.70M
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PESI Institutional Buying and Selling by Quarter

Perma-Fix Environmental Services Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/9/2025 Fermata Advisors LLC16,309$172K0.0%+6.1%0.088%
6/27/2025Goldman Sachs Group Inc.24,698$180K0.0%-37.5%0.134%
5/29/2025Rhumbline Advisers17,204$125K0.0%+18.4%0.093%
5/16/2025Goldman Sachs Group Inc.24,698$180K0.0%-37.5%0.134%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,849$72K0.0%+18.2%0.053%
5/16/2025Alyeska Investment Group L.P.147,417$1.07M0.0%-78.9%0.800%
5/16/2025Ancora Advisors LLC157,845$1.15M0.0%+92.8%0.857%
5/15/2025Cubist Systematic Strategies LLC10,569$77K0.0%N/A0.057%
5/15/2025MYDA Advisors LLC200,000$1.45M0.3%-11.1%1.085%
5/14/2025Corebridge Financial Inc.8,284$60K0.0%+14.7%0.045%
5/14/2025Pale Fire Capital SE10,080$73K0.0%N/A0.055%
5/14/2025CW Advisors LLC20,500$149K0.0%N/A0.111%
5/12/2025Nuveen LLC16,895$123K0.0%N/A0.092%
5/9/2025Charles Schwab Investment Management Inc.46,244$336K0.0%+14.9%0.251%
5/7/2025Essex Investment Management Co. LLC191,087$1.39M0.3%-0.6%1.037%
5/7/2025Heartland Advisors Inc.455,400$3.31M0.2%+13.9%2.471%
5/7/2025Prescott Group Capital Management L.L.C.777,142$5.65M0.8%+4.0%4.217%
5/6/2025Brookwood Investment Group LLC16,844$122K0.0%N/A0.091%
5/6/2025Diamond Hill Capital Management Inc.416,662$3.03M0.0%+32.1%2.261%
4/29/2025Bank of New York Mellon Corp33,883$246K0.0%+5.5%0.184%
4/23/2025Oppenheimer & Co. Inc.10,950$80K0.0%-51.8%0.059%
4/8/2025Rhumbline Advisers17,204$125K0.0%+18.4%0.093%
4/7/2025 GAMMA Investing LLC4,587$33K0.0%N/A0.025%
2/25/2025Polar Asset Management Partners Inc.175,000$1.94M0.0%N/A1.104%
2/21/2025Prescott Group Capital Management L.L.C.746,942$8.27M1.1%+4.2%4.713%
2/18/2025AWM Investment Company Inc.400,000$4.43M0.5%N/A2.524%
2/17/2025Polar Asset Management Partners Inc.175,000$1.94M0.0%N/A1.104%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.8,334$92K0.0%+21.6%0.053%
2/17/2025Deutsche Bank AG15,479$171K0.0%+4,235.9%0.098%
2/17/2025Bridgeway Capital Management LLC20,300$225K0.0%-8.1%0.128%
2/17/2025Bank of America Corp DE14,789$164K0.0%+34.6%0.093%
2/17/2025Alyeska Investment Group L.P.700,000$7.75M0.0%N/A4.416%
2/17/2025Ancora Advisors LLC81,878$906K0.0%-40.1%0.517%
2/14/2025Northern Trust Corp120,758$1.34M0.0%+7.2%0.762%
2/14/2025Boothbay Fund Management LLC43,326$480K0.0%N/A0.273%
2/14/2025Heights Capital Management Inc.20,000$221K0.1%N/A0.126%
2/14/2025MYDA Advisors LLC225,000$2.49M0.6%N/A1.420%
2/14/2025Dimensional Fund Advisors LP111,619$1.24M0.0%+25.4%0.704%
2/13/2025Barclays PLC23,014$255K0.0%+10.6%0.145%
2/13/2025Renaissance Technologies LLC34,796$385K0.0%-65.1%0.220%
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2/13/2025Wells Fargo & Company MN6,789$75K0.0%-22.6%0.043%
2/12/2025Perritt Capital Management Inc192,450$2.13M1.1%-0.6%1.214%
2/12/2025Geode Capital Management LLC327,122$3.62M0.0%+0.6%2.064%
2/12/2025Diametric Capital LP15,491$171K0.1%-72.2%0.098%
2/12/2025Heartland Advisors Inc.400,000$4.43M0.2%-20.0%2.524%
2/11/2025Perkins Capital Management Inc.25,000$277K0.2%N/A0.158%
2/10/2025Diamond Hill Capital Management Inc.315,517$3.49M0.0%+26.3%1.991%
2/10/2025Thompson Siegel & Walmsley LLC215,600$2.39M0.0%+5.2%1.360%
2/7/2025Essex Investment Management Co. LLC192,333$2.13M0.4%-12.5%1.213%
2/7/2025Prescott Group Capital Management L.L.C.746,942$8.27M0.5%+4.2%4.713%
2/4/2025Bank of New York Mellon Corp32,126$356K0.0%+13.8%0.203%
1/31/2025New York State Common Retirement Fund4,400$49K0.0%+4,300.0%0.028%
1/30/2025Rhumbline Advisers14,533$161K0.0%+23.5%0.092%
1/29/2025Legato Capital Management LLC57,269$634K0.1%-23.7%0.361%
1/23/2025Oxler Private Wealth LLC17,005$188K0.1%N/A0.107%
1/22/2025DHK Financial Advisors Inc.10,966$121K0.1%N/A0.069%
1/17/2025Commons Capital LLC15,350$170K0.2%-24.6%0.097%
1/16/2025ARS Investment Partners LLC83,239$921K0.1%-39.7%0.525%
1/16/2025 LVW Advisors LLC10,000$111K0.0%N/A0.063%
1/13/2025 Moody National Bank Trust Division25,000$277K0.0%N/A0.158%
12/26/2024JPMorgan Chase & Co.6,308$77K0.0%+17.7%0.040%
11/19/2024Barclays PLC20,806$256K0.0%+388.2%0.131%
11/16/2024Geode Capital Management LLC325,173$3.99M0.0%+14.0%2.058%
11/15/2024Barclays PLC20,806$256K0.0%+388.2%0.132%
11/15/2024Jane Street Group LLC12,159$149K0.0%N/A0.077%
11/15/2024Wolverine Trading LLC20,816$255K0.0%+36.9%0.132%
11/15/2024State Street Corp168,644$2.07M0.0%+14.3%1.067%
11/14/2024MetLife Investment Management LLC7,543$93K0.0%+129.1%0.048%
11/13/2024BNP Paribas Financial Markets6,994$86K0.0%+54.4%0.044%
11/12/2024Charles Schwab Investment Management Inc.40,235$494K0.0%+15.0%0.255%
11/12/2024Thompson Siegel & Walmsley LLC204,859$2.51M0.0%-14.3%1.297%
11/8/2024Thompson Davis & CO. Inc.14,305$176K0.1%+20.7%0.091%
11/6/2024Oppenheimer & Co. Inc.22,712$279K0.0%N/A0.144%
11/4/2024Diamond Hill Capital Management Inc.249,756$3.07M0.0%N/A1.581%
10/29/2024Van ECK Associates Corp137,858$1.69M0.0%-14.9%0.873%
10/8/2024 Chesley Taft & Associates LLC30,000$368K0.0%N/A0.190%
10/5/2024Quent Capital LLC16,199$198K0.0%N/A0.103%
8/14/2024Marshall Wace LLP10,897$110K0.0%N/A0.069%
8/14/2024Apis Capital Advisors LLC60,000$608K0.4%+30.4%0.380%
8/9/2024Renaissance Technologies LLC126,896$1.29M0.0%-14.7%0.804%
8/9/2024Dimensional Fund Advisors LP78,506$795K0.0%+21.6%0.497%
8/9/2024Thompson Siegel & Walmsley LLC238,991$2.42M0.0%N/A1.514%
8/8/2024Perritt Capital Management Inc193,700$1.96M1.1%-1.6%1.227%
8/6/2024Morgan Dempsey Capital Management LLC25,645$260K0.1%-33.7%0.162%
8/1/2024Rhumbline Advisers13,200$134K0.0%N/A0.084%
7/31/2024Van ECK Associates Corp162,003$1.64M0.0%N/A1.026%
7/26/2024Bank of New York Mellon Corp33,344$338K0.0%N/A0.211%
7/17/2024ARS Investment Partners LLC144,328$1.46M0.1%-5.3%0.914%
7/13/2024 Fermata Advisors LLC15,086$153K0.0%+22.9%0.096%
5/15/2024Perritt Capital Management Inc.196,817$2.34M1.3%-0.7%1.433%
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5/3/2024Essex Investment Management Co. LLC189,450$2.25M0.4%+1.6%1.386%
3/25/2024Quadrature Capital Ltd34,029$267K0.0%+11.6%0.249%
2/15/2024Perritt Capital Management Inc.198,167$1.56M0.9%-4.3%1.456%
2/9/2024Trexquant Investment LP17,912$141K0.0%-25.1%0.132%
2/9/2024Hillsdale Investment Management Inc.9,251$73K0.0%-26.9%0.068%
2/8/2024Essex Investment Management Co. LLC186,536$1.47M0.3%+28.2%1.371%
2/2/2024Bailard Inc.31,665$249K0.0%N/A0.233%
1/19/2024 Fermata Advisors LLC11,500$90K0.0%N/A0.084%
1/16/2024Legato Capital Management LLC75,031$590K0.1%+37.3%0.551%
12/6/2023Citigroup Inc.36,632$383K0.0%N/A0.269%
(Data available from 1/1/2016 forward)

PESI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PESI shares?

During the previous two years, 69 institutional investors and hedge funds held shares of Perma-Fix Environmental Services. The most heavily invested institutionals were Prescott Group Capital Management L.L.C. ($5.65M), AWM Investment Company Inc. ($4.43M), Geode Capital Management LLC ($3.62M), Heartland Advisors Inc. ($3.31M), Potomac Capital Management Inc. ($3.10M), Diamond Hill Capital Management Inc. ($3.03M), and Thompson Siegel & Walmsley LLC ($2.39M).Learn more on Perma-Fix Environmental Services' institutional investors.

What percentage of Perma-Fix Environmental Services' stock is owned by institutional investors?

25.52% of Perma-Fix Environmental Services' stock is owned by institutional investors. Learn more on PESI's institutional investor holdings.

Which institutional investors have been buying Perma-Fix Environmental Services' stock?

Of the 56 institutional investors that purchased Perma-Fix Environmental Services' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Alyeska Investment Group L.P. ($700K), Diamond Hill Capital Management Inc. ($416.66K), AWM Investment Company Inc. ($400K), Polar Asset Management Partners Inc. ($350K), Thompson Siegel & Walmsley LLC ($249.73K), MYDA Advisors LLC ($225K), and Essex Investment Management Co. LLC ($189.45K).

How much institutional buying is happening at Perma-Fix Environmental Services?

Institutional investors have bought a total of 3,320,161 shares in the last 24 months. This purchase volume represents approximately $35.47M in transactions.

Which of Perma-Fix Environmental Services' major shareholders have been selling company stock?

Of the 18 institutional investors that sold Perma-Fix Environmental Services' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Alyeska Investment Group L.P. ($552.58K), Heartland Advisors Inc. ($100K), Renaissance Technologies LLC ($86.90K), ARS Investment Partners LLC ($54.81K), Ancora Advisors LLC ($54.72K), Diametric Capital LP ($40.20K), and Thompson Siegel & Walmsley LLC ($34.13K).

How much institutional selling is happening at Perma-Fix Environmental Services?

Institutional investors have sold a total of 1,086,466 shares in the last 24 months. This volume of shares sold represents approximately $9.70M in transactions.


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This page (NASDAQ:PESI) was last updated on 7/20/2025 by MarketBeat.com Staff
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