GROUP ONE TRADING LLC

Position in JEF — Jefferies Financial Group Inc.

CIK 932540 CHICAGO, IL

Position in JEF

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

Position Value

$2,720,559

+$2,661,093 QoQ

Shares Held

65,921

+7152.0% QoQ

Ownership

0.032%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

10 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. JEF ranks #8 (3.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IREN	IREN Ltd	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. This page	65,921	$2,720,559

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,720,559	65,921	+7152.0%	Shares	Sole	2026-05-13
2025-09-30	$59,466	909	-94.8%	Shares	Sole	2025-11-12
2024-12-31	$1,358,985	17,334	+339.8%	Shares	Sole	2025-05-14
2023-12-31	$159,255	3,941	+13.7%	Shares	Sole	2024-02-14
2023-09-30	$126,959	3,466	-53.1%	Shares	Sole	2023-11-09
2022-09-30	$208,276	7,385	-76.8%	Shares	Sole	2022-11-09
2022-06-30	$841,460	31,867	+302.3%	Shares	Sole	2022-08-11
2021-06-30	$259,017	7,922	-76.1%	Shares	Sole	2021-08-10
2021-03-31	$954,135	33,157	+300.0%	Shares	Sole	2021-05-12
2020-06-30	$123,225	8,289	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.