PRIMECAP MANAGEMENT CO/CA/

Position in KMX — Carmax Inc

CIK 763212 PASADENA, CA

Back to KMX Full portfolio

Position in KMX

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$181,211,710

+$12,461,711 QoQ

Shares Held

4,358,146

-0.2% QoQ

Ownership

3.07%

of shares outstanding

% of Portfolio

0.14%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 94% Shared 0% None 6%

Common Shares in KMX Over Time

Shares Held

Position Value (USD)

Position in Auto & Truck Dealerships

Consumer Cyclical · as of Mar 31, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $246,240,789 across 3 Auto & Truck Dealerships names. KMX ranks #1 (73.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KMX	Carmax Inc This page	4,358,146	$181,211,710
2	CVNA	Carvana Co.	197,525	$62,097,909
3	VVV	Valvoline Inc	87,030	$2,931,170

All Filings in KMX

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$181,211,710	4,358,146	-0.2%	Shares	Sole	2026-05-11
2025-12-31	$168,749,999	4,367,236	-4.2%	Shares	Sole	2026-02-11
2025-09-30	$204,623,846	4,560,371	-3.7%	Shares	Sole	2025-11-12
2025-06-30	$318,434,998	4,737,911	-0.7%	Shares	Sole	2025-08-11
2025-03-31	$371,624,323	4,769,306	-6.1%	Shares	Sole	2025-05-09
2024-12-31	$415,378,082	5,080,456	-3.8%	Shares	Sole	2025-02-10
2024-09-30	$408,863,074	5,283,834	-2.4%	Shares	Sole	2024-11-08
2024-06-30	$396,900,238	5,411,784	-2.0%	Shares	Sole	2024-08-09
2024-03-31	$481,023,075	5,522,019	-1.2%	Shares	Sole	2024-05-14
2023-12-31	$428,813,220	5,587,871	-2.1%	Shares	Sole	2024-02-09
2023-09-30	$403,567,768	5,705,751	-1.9%	Shares	Sole	2023-11-13
2023-06-30	$486,762,455	5,815,561	-2.0%	Shares	Sole	2023-08-11
2023-03-31	$381,589,285	5,936,361	-0.6%	Shares	Sole	2023-05-15
2022-12-31	$363,609,567	5,971,581	-3.6%	Shares	Sole	2023-02-13
2022-09-30	$408,960,691	6,194,497	-0.5%	Shares	Sole	2022-11-14
2022-06-30	$563,502,834	6,227,927	-5.2%	Shares	Sole	2022-08-11
2022-03-31	$633,893,571	6,570,207	-3.8%	Shares	Sole	2022-05-11
2021-12-31	$889,166,552	6,827,663	-7.5%	Shares	Sole	2022-02-11
2021-09-30	$944,188,304	7,378,777	-2.9%	Shares	Sole	2021-11-12
2021-06-30	$981,586,235	7,600,358	-6.2%	Shares	Sole	2021-08-10
2021-03-31	$1,075,147,347	8,104,533	-5.6%	Shares	Sole	2021-05-14
2020-12-31	$810,679,618	8,582,253	-2.0%	Shares	Sole	2021-02-08
2020-09-30	$804,716,442	8,755,483	-7.2%	Shares	Sole	2020-11-13
2020-06-30	$844,812,282	9,433,973	-7.7%	Shares	Sole	2020-08-13
2020-03-31	$550,468,971	10,226,063	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.