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Livermore
Livermore
ZHEN

CarMax Inc

KMX
Exchange
NYSE
Industry
Retail-Auto Dealers & Gasoline Stations
SEC CIK
0001170010

No open-market purchases or sales by CarMax Inc insiders were filed in the last 90 days; 557 institutions reported holding it in 13F filings for Q2 2026, worth $7.80B in total; superinvestors Starboard Value and Markel Group hold it.

Superinvestors holding KMX, Q2 2026

2 superinvestors report holding CarMax Inc on Form 13F, worth $176.8M in total. Weight is CarMax Inc's share of each 13F portfolio; actions compare shares with Q1 2026.

See all superinvestors
Superinvestors holding KMX in Q2 2026
Superinvestor% of portfolioSharesValuevs. previous quarter
Starboard ValueJeff Smith3.8%3,206,438$169.6MReduced−48.3%
Markel GroupTom Gayner0.1%136,500$7.22MUnchanged

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of KMX each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    2 superinvestors holding at quarter end

    Reduced
    Starboard Value (−48.3%)

  2. Q1 2026

    2 superinvestors holding at quarter end

    New
    Starboard Value
    Sold out
    Akre Capital Management

  3. Q4 2025

    2 superinvestors holding at quarter end

    Sold out
    Giverny Capital, Weitz Investment Management

  4. Q3 2025

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+0.9%)

  5. Q2 2025

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+0.9%)
    Reduced
    Weitz Investment Management (−19.3%), Akre Capital Management (−26.6%)
    Sold out
    Maverick Capital

  6. Q1 2025

    5 superinvestors holding at quarter end

    New
    Maverick Capital
    Reduced
    Giverny Capital (−2.5%), Weitz Investment Management (−2.4%), Akre Capital Management (−69.2%)

  7. Q4 2024

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+2.8%)
    Reduced
    Weitz Investment Management (−2.4%), Akre Capital Management (−48.5%)

  8. Q3 2024

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+2.6%)
    Reduced
    Akre Capital Management (−39.5%), Weitz Investment Management (−2.3%)
    Sold out
    Maverick Capital

  9. Q2 2024

    5 superinvestors holding at quarter end

    Added
    Giverny Capital (+0.8%), Weitz Investment Management (+15.4%), Markel Group (+10.5%), Maverick Capital (+8.5%)
    Reduced
    Akre Capital Management (−20.6%)

  10. Q1 2024

    5 superinvestors holding at quarter end

    New
    Maverick Capital
    Added
    Giverny Capital (+3.2%), Markel Group (+11.8%)
    Reduced
    Akre Capital Management (−0.9%)

  11. Q4 2023

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+0.9%), Weitz Investment Management (+4.2%), Markel Group (+31.5%)
    Reduced
    Akre Capital Management (−0.2%)

  12. Q3 2023

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+1.3%), Markel Group (+21.7%)
    Reduced
    Akre Capital Management (−4.1%), Weitz Investment Management (−5.3%)

  13. Q2 2023

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+5.1%), Markel Group (+23.2%)
    Reduced
    Akre Capital Management (−8.0%), Weitz Investment Management (−4.6%)

  14. Q1 2023

    4 superinvestors holding at quarter end

    Added
    Markel Group (+60.0%)
    Reduced
    Akre Capital Management (−41.4%), Giverny Capital (−0.5%), Weitz Investment Management (−5.3%)

  15. Q4 2022

    4 superinvestors holding at quarter end

    New
    Markel Group
    Added
    Giverny Capital (+16.9%), Weitz Investment Management (+5.7%)
    Reduced
    Akre Capital Management (−28.0%)

  16. Q3 2022

    3 superinvestors holding at quarter end

    Added
    Akre Capital Management (+0.1%), Giverny Capital (+2.6%), Weitz Investment Management (+1.3%)

  17. Q2 2022

    3 superinvestors holding at quarter end

    Added
    Akre Capital Management (+0.1%), Giverny Capital (+3.9%), Weitz Investment Management (+9.1%)

  18. Q1 2022

    3 superinvestors holding at quarter end

    Added
    Akre Capital Management (+0.7%), Giverny Capital (+3.9%), Weitz Investment Management (+25.2%)
    Sold out
    Appaloosa

  19. Q4 2021

    4 superinvestors holding at quarter end

    Added
    Akre Capital Management (+2.5%), Weitz Investment Management (+5.6%)
    Reduced
    Giverny Capital (−4.3%)

  20. Q3 2021

    4 superinvestors holding at quarter end

    Added
    Giverny Capital (+4.4%)
    Reduced
    Akre Capital Management (−0.1%), Weitz Investment Management (−1.8%), Appaloosa (−5.7%)
    Sold out
    Harris Associates (Oakmark)

  21. Q2 2021

    5 superinvestors holding at quarter end

    Added
    Giverny Capital (+3.9%)
    Reduced
    Akre Capital Management (0.0%), Weitz Investment Management (−2.6%), Appaloosa (−36.6%)
    Sold out
    Third Point