$KMX

$52.62 +$1.07 (2.08%) Close

$KMX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 141.9M shares outstanding

Who owns KMX?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 47.3%

BlackRock, Inc. 12.0% · Aqr Capital Management LLC 4.7%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

556

+6 vs last qtr

Net shares bought

−5.7M

by institutions in Q2 2026

New / sold out

94 / 88

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +4.6M
Hawk Ridge Capital Management LP NEW +2.8M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −4.6M
Aqr Capital Management LLC −3.4M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Carmax Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

−23.2%

−2.89% a year

Each share's claim on the business

+30.2%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$4.92B vs $1.01B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years58% 3–5 years14% 1–3 years8% Under 1 year20%

Quarterly turnover

16.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting KMX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	17.1M	12.04%	−165.4K (−1.0%)	≤2021	0.0%
Shares held by quarter Peak holding17.9M (Q4'25) Change over 8 quarters+5.8M Share of the company12.040% BlackRock, Inc.'s full portfolio →
AC Aqr Capital Management LLC	6.6M	4.67%	−3.4M (−34.2%)	2023	0.1%
Shares held by quarter Peak holding10.1M (Q1'26) Change over 8 quarters+5.9M Share of the company4.670% Aqr Capital Management LLC's full portfolio →

BlackRock, Inc.

17.1M

% of company

12.04%

Change vs last qtr

−165.4K (−1.0%)

Held since

≤2021

Aqr Capital Management LLC

6.6M

% of company

4.67%

Change vs last qtr

−3.4M (−34.2%)

Held since

2023

28 more super investors behind a free account

See every manager holding Carmax Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting KMX on Form N-PORT; together they hold 40.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$452M	8.5M	6.02%	0.41%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$238M	4.5M	3.18%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$452M

% of company

6.02%

% of the fund

0.41%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$238M

% of company

3.18%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Carmax Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
FT Folliard Thomas J Insider	277.8K	0.20%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.200% Folliard Thomas J's insider activity →
NW Nash William D Insider	206.7K	0.15%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.150% Nash William D's insider activity →

Folliard Thomas J

Insider

277.8K

% of company

0.20%

Change vs last qtr

—

Held since

—

Nash William D

Insider

206.7K

% of company

0.15%

Change vs last qtr

—

Held since

—

21 more holders behind a free account

See every insider and 5%+ holder of Carmax Inc.

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