GROUP ONE TRADING LLC

Position in KMX — Carmax Inc

CIK 932540 CHICAGO, IL

Position in KMX

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

Position Value

$1,168,689

+$454,004 QoQ

Shares Held

28,107

+52.0% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

12 quarters on record

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

Consumer Cyclical · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $3,819,108 across 11 Auto & Truck Dealerships names. KMX ranks #2 (30.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LAD	Lithia Motors Inc	7,339	$1,832,695
2	KMX	Carmax Inc This page	28,107	$1,168,689
3	CWH	Camping World Holdings, Inc.	105,821	$722,757
4	DRVN	Driven Brands Holdings Inc.	4,193	$52,873
5	ACVA	ACV Auctions Inc.	5,826	$24,702
6	CARG	CarGurus, Inc.	255	$8,682
7	AN	Autonation, Inc.	35	$6,834
8	OPLN	OPENLANE, Inc.	58	$1,690

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,168,689	28,107	+52.0%	Shares	Sole	2026-05-13
2025-12-31	$714,685	18,496	-51.4%	Shares	Sole	2026-02-12
2025-09-30	$1,705,957	38,020	+2258.6%	Shares	Sole	2025-11-12
2024-09-30	$124,736	1,612	-56.5%	Shares	Sole	2024-11-14
2024-06-30	$271,504	3,702	+86.3%	Shares	Sole	2024-08-14
2023-12-31	$152,482	1,987	-95.3%	Shares	Sole	2024-02-14
2023-09-30	$2,979,147	42,120	+494.3%	Shares	Sole	2023-11-09
2022-09-30	$467,883	7,087	+46.8%	Shares	Sole	2022-11-09
2021-12-31	$628,620	4,827	-78.8%	Shares	Sole	2022-02-11
2021-09-30	$2,916,080	22,789	+69.7%	Shares	Sole	2021-11-12
2021-06-30	$1,734,226	13,428	+143.9%	Shares	Sole	2021-08-10
2021-03-31	$730,293	5,505	—	Shares	Sole	2021-05-12
No filing history on record for this holder in this stock.