KMX · NYSE · Auto - Dealerships

CarMax

Sells used vehicles through stores and nationwide online-to-store customer journeys.

$62.57
After-hours close+0.46 (+0.74%)
At close$62.11(−0.85%)

Breakdown13F · Form 4

Institutions 110.82%Insiders 0.60%

A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.

Shares outstanding 141.91M · Float 131.14M · 92.4% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
BlackRock, Inc.17.09M12.04%13FAug 7, 2026
Vanguard Portfolio Management LLC7.29M5.13%13FAug 13, 2026
AQR Capital Management LLC6.62M4.67%13FAug 14, 2026
Vanguard Capital Management LLC6.42M4.52%13FAug 13, 2026
SRS Investment Management, LLC5.92M4.17%13FAug 14, 2026

Institutions13F, as of Jun 30, 2026

593 holders · 157.27M shares · 92 new positions · 225 increased · 260 reduced · 88 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.17.09M12.04%−165.4KAug 7, 2026
Vanguard Portfolio Management LLC7.29M5.13%+10.2KAug 13, 2026
AQR Capital Management LLC6.62M4.67%−3.44MAug 14, 2026
Vanguard Capital Management LLC6.42M4.52%+33.4KAug 13, 2026
SRS Investment Management, LLC5.92M4.17%+271.2KAug 14, 2026
Two Sigma Investments, LP5.83M4.11%+484.9KAug 14, 2026
State Street Corp5.16M3.63%+271.2KAug 7, 2026
Dimensional Fund Advisors LP4.97M3.51%+699.1KAug 11, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.11.40%16.75M13GNov 6, 2025
AQR Capital Management, LLC7.10%10.06M13GMay 14, 2026
Vanguard Capital Management5.26%7.47M13GApr 29, 2026
Vanguard Portfolio Management5.18%7.35M13GApr 29, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Thomas J. Folliarddirector227.8K0.16%Jun 29, 2026
William D. Nashdirector, officer: President & CEO206.7K0.15%May 5, 2025
David W. McCreightdirector39.5K0.03%Jun 29, 2026
Shira Goodmandirector39.3K0.03%Jul 2, 2025
Mitchell D. Steenroddirector38.3K0.03%Oct 3, 2025
Mark F. ONeildirector38.0K0.03%Jun 29, 2026
Keith Barrdirector, officer: President and CEO33.4K0.02%Jun 24, 2026
Marcella Shinderdirector28.7K0.02%Jun 29, 2026
Peter J. Bensendirector28.5K0.02%Jun 29, 2026
James Lyskiofficer: EVP, Chief Growth & Strat Off27.2K0.02%May 5, 2025

29 people have not refiled in the last 18 months (4.13M shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 24, 2026
Mark F. ONeildirector
Purchase · 2 lots9,600$52.3634,290
Jun 25, 2026
Marcella Shinderdirector
Purchase574$52.0124,993
Jun 25, 2026
Sona Chawladirector
Purchase2,000$53.3921,702
Jun 22, 2026
Keith Barrdirector, officer: President and CEO
Purchase9,400$53.0133,375
Jun 22, 2026
Peter J. Bensendirector
Purchase2,500$52.2024,796
Oct 2, 2025
Mark F. ONeildirector
Purchase10,816$46.2124,690
Oct 2, 2025
Mitchell D. Steenroddirector
Purchase2,000$45.5738,330

CongressHouse and Senate disclosures

Not reported.