CARMAX INC (KMX) Institutional Ownership and Insiders Activity

CARMAX INC (KMX) is widely held by institutional investors, with 541 firms reporting positions valued at approximately $7.74B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $904.00M in KMX holdings in its latest filing.

Recent insider activity includes 17 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

541

Total Reported Value

$7.74B

Largest Holder

Blackrock, Inc.

Largest Position

$904.00M

Insider Transactions (90d)

17

Latest Filing Quarter

Q2 2026

New Institutional Positions

94

Funds Exiting Positions

97