PERMA FIX ENVIRONMENTAL SERVICES INC

PESINASDAQ

$15.49-0.07 (-0.45% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

PERMA FIX ENVIRONMENTAL SERVICES INC price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+53.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	5.91%	$17.9M	0.00%	Not reported
Mak Capital One LLC	4.87%	$14.8M	2.07%	Add 12.44%
Vanguard Capital Management LLC	3.83%	$11.6M	0.00%	Not reported
Prescott Group Capital Management, L.L.C.	3.66%	$11.1M	0.96%	Not reported
Diamond Hill Capital Management, LLC (Investment Advisor)	3.03%	$9.18M	0.07%	Add 80.50%
Kennedy Capital Management LLC	2.88%	$8.73M	0.15%	New Not reported
Potomac Capital Management, Inc.	2.25%	$6.82M	4.65%	Add 60.77%
Geode Capital Management, LLC	2.15%	$6.51M	0.00%	Not reported
Heartland Advisors Inc	1.89%	$5.72M	0.25%	Not reported
State Street Corp	1.65%	$5M	0.00%	Not reported
Dimensional Fund Advisors LP	0.90%	$2.73M	0.00%	Not reported
Goldman Sachs Group Inc	0.77%	$2.33M	0.00%	Not reported
Susquehanna International Group, LLP	0.74%	$2.24M	0.00%	Not reported
Citadel Advisors LLC	0.72%	$2.18M	0.00%	Not reported
Northern Trust Corp	0.67%	$2.02M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.58%	$1.76M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.57%	$1.73M	0.00%	Not reported
North Star Investment Management Corp.	0.57%	$1.72M	0.09%	Not reported
Diametric Capital, LP	0.54%	$1.64M	0.17%	Not reported
MYDA Advisors LLC	0.42%	$1.29M	0.19%	Not reported
CM Wealth Advisors LLC	0.41%	$1.26M	0.23%	New Not reported
XTX Topco Ltd	0.30%	$899K	0.01%	Not reported
Owls Nest Partners IA, LLC	0.27%	$808K	0.26%	New Not reported
Pale Fire Capital SE	0.26%	$795K	0.06%	Add 14.40%
Morgan Stanley	0.25%	$759K	0.00%	Not reported
Jane Street Group, LLC	0.22%	$667K	0.00%	Not reported
Charles Schwab Investment Management Inc	0.21%	$647K	0.00%	Not reported
GatePass Capital, LLC	0.21%	$639K	0.24%	Add 50.43%
Corsair Capital Management, L.P.	0.20%	$609K	0.08%	Add 13.28%
Bank of America Corp	0.20%	$591K	0.00%	Not reported
Sei Investments Co	0.19%	$586K	0.00%	Not reported
Bank of New York Mellon Corp	0.18%	$544K	0.00%	Not reported
Alliancebernstein L.P.	0.15%	$351K	0.00%	Not reported
Simplex Trading, LLC	0.15%	$452K	0.00%	Not reported
UBS Group AG	0.15%	$450K	0.00%	Not reported
Squarepoint Ops LLC	0.15%	$443K	0.00%	Not reported
Wells Fargo & Company	0.14%	$419K	0.00%	Not reported
D. E. Shaw & Co., Inc.	0.12%	$355K	0.00%	Not reported
Brown Advisory Inc	0.11%	$333K	0.00%	Not reported
Nuveen, LLC	0.11%	$321K	0.00%	Not reported
Trexquant Investment LP	0.10%	$314K	0.00%	Not reported
Rhumbline Advisers	0.10%	$298K	0.00%	Not reported
Rothschild Wealth LLC	0.10%	$294K	0.02%	Not reported
Quadrature Capital Ltd	0.09%	$271K	0.00%	Not reported
Fifth Lane Capital, LP	0.08%	$257K	15.77%	New Not reported
Bailard, Inc.	0.08%	$254K	0.01%	Not reported
Oxler Private Wealth LLC	0.08%	$243K	0.07%	Not reported
Guidance Capital, Inc	0.08%	$256K	0.05%	Add 2.34%
IMC-Chicago, LLC	0.08%	$235K	0.00%	Reduce 2.76%
Quent Capital, LLC	0.08%	$231K	0.01%	Not reported

50 of 85 holders

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