CarMax Ownership | Who Owns CarMax?

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CarMax Ownership Summary

CarMax is owned by 94.78% institutional investors, 0.38% insiders, and 4.84% retail investors. Vanguard group is the largest institutional shareholder, holding 11.67% of KMX shares. Diamond Hill Large Cap Equity is the top mutual fund, with 3.41% of its assets in CarMax shares.

KMX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	CarMax	94.78%	0.38%	4.84%
Sector	Consumer Cyclical Stocks	39.72%	14.50%	45.78%
Industry	Car Dealership Stocks	61.74%	10.90%	27.36%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	18.20M	11.67%	$1.49B
Blackrock funding, inc. /de	12.09M	7.78%	$941.76M
Blackrock	11.16M	7.10%	$818.52M
Principal financial group	8.59M	5.51%	$702.42M
State street	6.16M	3.92%	$451.50M
Diamond hill capital management	5.86M	3.77%	$456.54M
Norges bank	5.18M	3.32%	$423.19M
Primecap management co/ca/	4.77M	3.07%	$371.62M
Janus henderson group	4.74M	3.05%	$360.51M
Geode capital management	3.71M	2.38%	$302.56M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Rings capital management	508.50K	20.19%	$39.62M
Silver heights capital management	558.26K	19.76%	$43.50M
Courant investment management	247.52K	16.16%	$19.29M
Mount capital	342.70K	8.61%	$26.70M
Thorntree capital partners lp	470.07K	8.09%	$36.63M
Makaira partners	559.38K	7.80%	$45.74M
Biglari, sardar	36.80K	6.49%	$2.87M
Kiltearn partners llp	478.30K	6.46%	$39.11M
Freshford capital management	500.00K	6.46%	$36.67M
Nixon capital	226.91K	6.11%	$17.68M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	5.18M	0.06%	5.18M
Marshall wace, llp	3.08M	0.30%	2.39M
Ubs group	2.11M	0.03%	1.84M
Fuller & thaler asset management	903.02K	0.27%	778.65K
Goldman sachs group	2.57M	0.03%	524.77K

Top Sellers

Holder	Shares	% Assets	Change
Kovitz investment group partners	1.54M	0.60%	-5.06M
Capital research global investors	-	-	-2.78M
Fmr	78.14K	0.00%	-1.69M
Timucuan asset management inc/fl	-	-	-1.55M
Brown advisory	179.26K	0.02%	-938.18K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	5.18M	0.06%	5.18M	$423.19M
Maple rock capital partners	433.53K	1.24%	433.53K	$33.78M
J. goldman & co lp	303.47K	0.58%	303.47K	$23.65M
Worldquant millennium advisors	265.06K	0.13%	265.06K	$20.65M
Arrowstreet capital, limited partnership	228.85K	0.01%	228.85K	$18.71M

Sold Out

Holder	Change
Mendota financial group	-1.00
Parallax volatility advisers	-1.00
Financial gravity asset management	-2.00
Hhm wealth advisors	-2.00
Ckw financial group	-6.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	695	-11.58%	147,226,010	-11.11%	94	0.84%	319	-8.60%	250	-11.35%
Dec 31, 2024	712	-9.76%	156,817,816	-1.54%	100	0.96%	314	-5.14%	254	-10.25%
Sep 30, 2024	782	5.68%	159,149,641	-6.16%	102	0.88%	327	-13.26%	280	29.03%
Jun 30, 2024	740	-4.15%	169,591,899	1.23%	107	0.96%	377	6.20%	217	-12.50%
Mar 31, 2024	772	2.39%	167,538,786	-1.01%	106	0.93%	355	4.11%	248	-6.06%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Diamond Hill Large Cap Equity	5.20M	3.41%	737.48K
Vanguard Total Stock Mkt Idx Inv	4.93M	3.23%	35.46K
Vanguard US Total Market Shares ETF	4.92M	3.21%	-59.41K
Principal Aligned MidCap Equity	4.77M	3.11%	-1.67M
Vanguard Institutional 500 Index Trust	4.34M	2.85%	70.08K
Principal MidCap R5	3.87M	2.54%	-1.12M
Vanguard Small Cap Index	3.86M	2.53%	23.12K
Janus Inst Mid Cap Growth CF	3.48M	2.29%	-
Janus Henderson Enterprise D	3.48M	2.29%	-
Diamond Hill Large Cap Inv	3.04M	2.00%	411.92K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 24, 2025	STEENROD MITCHELL D	-	Buy	$85.14K
Jan 28, 2025	Tuite Tyler	SVP & Chief Product Officer	Sell	$411.82K
Jan 15, 2025	Mayor-Mora Enrique N	EVP & CFO	Sell	$407.15K
Jan 15, 2025	Livesay Jill A	VP, Controller & PAO	Sell	$1.05M
Jan 08, 2025	Shamim Mohammad	EVP and CITO	Sell	$1.05M

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	1	-
2025 Q1	-	5
2024 Q4	-	6
2024 Q3	-	6
2024 Q2	-	2

KMX Ownership FAQ

Who Owns CarMax?

CarMax shareholders are primarily institutional investors at 94.78%, followed by 0.38% insiders and 4.84% retail investors. The average institutional ownership in CarMax's industry, Car Dealership Stocks, is 61.74%, which CarMax exceeds.

Who owns the most shares of CarMax?

CarMax’s largest shareholders are Vanguard group (18.2M shares, 11.67%), Blackrock funding, inc. /de (12.09M shares, 7.78%), and Blackrock (11.16M shares, 7.10%). Together, they hold 26.56% of CarMax’s total shares outstanding.

Does Blackrock own CarMax?

Yes, BlackRock owns 7.10% of CarMax, totaling 11.16M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 818.52M$. In the last quarter, BlackRock increased its holdings by 171.41K shares, a 1.56% change.

Who is CarMax’s biggest shareholder by percentage of total assets invested?

Rings capital management is CarMax’s biggest shareholder by percentage of total assets invested, with 20.19% of its assets in 508.5K CarMax shares, valued at 39.62M$.

Who is the top mutual fund holder of CarMax shares?

Diamond Hill Large Cap Equity is the top mutual fund holder of CarMax shares, with 3.41% of its total shares outstanding invested in 5.2M CarMax shares.

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