GROUP ONE TRADING LLC

Position in PESI — Perma Fix Environmental Services Inc

CIK 932540 CHICAGO, IL

Position in PESI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,752,111

-$895,524 QoQ

Shares Held

122,611

-50.5% QoQ

Ownership

0.578%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#17

of 89 holders

Holding Since

Mar 2023

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $2,100,427 across 6 Waste Management names. PESI ranks #1 (83.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PESI	Perma Fix Environmental Services Inc This page	122,611	$1,752,111
2	ABAT	AMERICAN BATTERY TECHNOLOGY Co	69,750	$197,392
3	WM	Waste Management Inc	364	$81,128
4	AREC	American Resources Corp	18,225	$39,183
5	WCN	Waste Connections, Inc.	181	$30,170
6	LNZA	LanzaTech Global, Inc.	65	$443

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,752,111	122,611	-50.5%	Shares	Sole	2026-08-14
2026-03-31	$2,647,635	247,674	+6050.3%	Shares	Sole	2026-05-13
2025-12-31	$50,699	4,027	+14.2%	Shares	Sole	2026-02-12
2025-09-30	$35,612	3,526	+28.5%	Shares	Sole	2025-11-12
2025-06-30	$28,856	2,743	+280.4%	Shares	Sole	2025-08-14
2025-03-31	$5,241	721	-81.1%	Shares	Sole	2025-05-14
2024-09-30	$46,920	3,824	0.0%	Shares	Sole	2024-11-14
2024-06-30	$38,737	3,824	-77.0%	Shares	Sole	2024-08-14
2023-09-30	$173,511	16,604	+123.6%	Shares	Sole	2023-11-09
2023-06-30	$81,537	7,426	-63.8%	Shares	Sole	2023-08-09
2023-03-31	$241,372	20,490	—	Shares	Sole	2023-05-12
No filing history on record for this holder in this stock.