GROUP ONE TRADING LLC

Position in KMX — Carmax Inc

CIK 932540 CHICAGO, IL

Position in KMX

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

Position Value

$905,000

-$263,689 QoQ

Shares Held

17,111

-39.1% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#252

of 554 holders

Holding Since

Mar 2021

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Cyclical · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $3,499,635 across 11 Auto & Truck Dealerships names. KMX ranks #2 (25.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LAD	Lithia Motors Inc	5,099	$1,481,208
2	KMX	Carmax Inc This page	17,111	$905,000
3	CWH	Camping World Holdings, Inc.	115,458	$880,944
4	GPI	Group 1 Automotive Inc	273	$79,489
5	DRVN	Driven Brands Holdings Inc.	4,098	$57,126
6	OPLN	OPENLANE, Inc.	1,199	$49,446
7	VVV	Valvoline Inc	1,057	$41,793
8	ACVA	ACV Auctions Inc.	623	$4,479

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$905,000	17,111	-39.1%	Shares	Sole	2026-08-14
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.