Carmax Inc (KMX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

150,605,263Shares Outstanding

847,864Shares held by institutions

$35,822,254Value of institutional holdings

99.87%Institutional ownership %

24.10%Shares Changed QoQ

511No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 511 institutional investors hold a position in Carmax Inc (NYSE:KMX).

The collective stake of institutional investors in Carmax moved to 99.9% in December 2025, a shift up from the 98.9% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 24.10%, with a year-over-year a decrease of 31.32% in the count of filers.
Among the 511 institutional holders of Carmax, 264 added to their stakes while 198 trimmed their positions and 49 held steady.
This class of investors increased its holdings in Carmax to 150.41Mn shares for the 13F-cycle ending December 2025, up by 29.21Mn shares quarter on quarter, and down 11.02Mn shares year over year.
The top institutional stake in Carmax as of December 31, 2025 belongs to BlackRock, Inc., which owns 17.85Mn shares, or 11.85% of the company.
Among the most significant buyers of Carmax during December 2025 were BlackRock, Inc. (6.37Mn), SRS Investment Management, LLC (5.33Mn), Apollo Management Holdings, L.P. (5.05Mn), AQR CAPITAL MANAGEMENT LLC (4.78Mn), NORGES BANK (4.12Mn).
Leading sellers of Carmax stock in December 2025 included VANGUARD GROUP INC (1.82Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (1.75Mn), Qube Research & Technologies Ltd (1.55Mn), ACADIAN ASSET MANAGEMENT LLC (1.08Mn), DAVENPORT & Co LLC (992.28K).
The top 10 institutional holders of Carmax for the quarter ending December 2025 included BlackRock, Inc. (17.85Mn), VANGUARD GROUP INC (15.08Mn), AQR CAPITAL MANAGEMENT LLC (7.93Mn), SRS Investment Management, LLC (5.64Mn), STATE STREET CORP (5.05Mn), Apollo Management Holdings, L.P. (5.05Mn), JANUS HENDERSON GROUP PLC (4.53Mn), PRIMECAP MANAGEMENT CO/CA/ (4.37Mn), DIAMOND HILL CAPITAL MANAGEMENT INC (4.21Mn), NORGES BANK (4.12Mn).

511 Institutional Holders

847,864 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	17,850,208	6,367,957	55.46%	$689,732,034.00
VANGUARD GROUP INC	31 Dec, 2025	15,076,900	-1,822,249	-10.78%	$582,571,416.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	7,930,345	4,780,903	151.80%	$306,428,535.00
SRS Investment Management, LLC	31 Dec, 2025	5,637,803	5,327,603	1,717.47%	$217,844,708.00
STATE STREET CORP	31 Dec, 2025	5,051,275	-490,311	-8.85%	$195,181,266.00
Apollo Management Holdings, L.P.	31 Dec, 2025	5,046,474	5,046,474	0.00%	$194,995,755.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	4,530,820	-344,409	-7.06%	$175,069,285.00
PRIMECAP MANAGEMENT CO/CA/	31 Dec, 2025	4,367,236	-193,135	-4.24%	$168,749,999.00
DIAMOND HILL CAPITAL MANAGEMENT INC	31 Dec, 2025	4,210,038	-623,281	-12.90%	$162,675,868.00
NORGES BANK	31 Dec, 2025	4,120,921	4,120,921	0.00%	$159,232,387.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,985,895	300,694	8.16%	$154,023,012.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	3,642,950	2,858,518	364.41%	$140,763,588.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	2,968,026	2,207,785	290.41%	$114,684,525.00
Vulcan Value Partners, LLC	31 Dec, 2025	2,928,832	600,712	25.80%	$113,210.00
First Pacific Advisors, LP	31 Dec, 2025	2,924,081	442,620	17.84%	$112,986,490.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	2,908,400	2,185,300	302.21%	$112,380,576.00
Baird Financial Group, Inc.	31 Dec, 2025	2,661,299	-753,190	-22.06%	$102,832,612.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,557,859	-859,157	-25.14%	$98,857,054.00
MANUFACTURERS LIFE INSURANCE COMPANY, THE	31 Dec, 2025	2,422,097	236,358	10.81%	$93,589,828.00
MORGAN STANLEY	31 Dec, 2025	2,300,103	-182,737	-7.36%	$88,876,083.00

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