GROUP ONE TRADING LLC

Position in IREN — IREN Ltd

CIK 932540 CHICAGO, IL

Position in IREN

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$19,334,022

-$25,296,671 QoQ

Shares Held

564,003

-52.3% QoQ

Ownership

0.158%

of shares outstanding

% of Portfolio

0.76%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

13 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $87,220,378 across 35 Capital Markets names. IREN ranks #1 (22.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IREN	IREN Ltd This page	564,003	$19,334,022
2	GS	Goldman Sachs Group Inc	18,117	$15,326,800
3	HOOD	Robinhood Markets, Inc.	158,532	$10,986,267
4	WULF	Terawulf Inc.	710,394	$10,250,985
5	CRCL	Circle Internet Group, Inc.	92,714	$8,845,842
6	XP	XP Inc.	317,743	$6,049,826
7	RIOT	Riot Platforms, Inc.	264,693	$3,271,605
8	JEF	Jefferies Financial Group Inc.	65,921	$2,720,559

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$19,334,022	564,003	-52.3%	Shares	Sole	2026-05-13
2025-12-31	$44,630,693	1,181,644	-61.4%	Shares	Sole	2026-02-12
2025-09-30	$143,720,966	3,062,454	-52.8%	Shares	Sole	2025-11-12
2025-06-30	$94,435,061	6,481,473	-14.2%	Shares	Sole	2025-08-14
2025-03-31	$45,999,542	7,553,291	+31.3%	Shares	Sole	2025-05-14
2024-12-31	$56,484,502	5,751,986	+87.0%	Shares	Sole	2025-05-14
2024-09-30	$25,955,236	3,075,265	+24.6%	Shares	Sole	2024-11-14
2024-06-30	$27,862,387	2,467,882	+217.3%	Shares	Sole	2024-08-14
2024-03-31	$4,200,411	777,854	+10307.5%	Shares	Sole	2024-05-10
2023-06-30	$34,828	7,474	-33.9%	Shares	Sole	2023-08-09
2023-03-31	$34,578	11,300	+59.2%	Shares	Sole	2023-05-12
2022-12-31	$8,875	7,100	+238.1%	Shares	Sole	2023-02-09
2022-09-30	$8,673	2,100	—	Shares	Sole	2022-11-09
No filing history on record for this holder in this stock.