CarMax (KMX)
Sells used vehicles through stores and nationwide online-to-store customer journeys.
$55.13
vs last close−1.71 (−3.01%)
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | ≈ 109.78% | 155.78M shares | |
|---|---|---|---|
| 596 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 7.06% | 10.02M shares | |
| 24 holders · as of Jun 29, 2026 | |||
| Strategic holders | 5.60% | 7.94M shares | |
| 1 holder · as of Feb 14, 2020 | |||
| Adds to | 122.44% | ||
141.91M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 122.44%; nothing is left for Other.
13F, as of Jun 30, 2026
596 holders · 155.78M shares · 93 new positions · 224 increased · 264 reduced · 86 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 17.09M | 12.04% | −165.4K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 7.29M | 5.13% | +10.2K | Aug 13, 2026 |
| AQR Capital Management LLC | 6.62M | 4.67% | −3.44M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 6.42M | 4.52% | +33.4K | Aug 13, 2026 |
| SRS Investment Management, LLC | 5.92M | 4.17% | +271.2K | Aug 14, 2026 |
| Two Sigma Investments, LP | 5.83M | 4.11% | +484.9K | Aug 14, 2026 |
| State Street Corp | 5.16M | 3.63% | +271.2K | Aug 7, 2026 |
| Dimensional Fund Advisors LP | 4.97M | 3.51% | +699.1K | Aug 11, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 11.40% | 16.75M | 13G | Nov 6, 2025 |
| AQR Capital Management, LLC | 7.10% | 10.06M | 13G | May 14, 2026 |
| Vanguard Capital Management | 5.26% | 7.47M | 13G | Apr 29, 2026 |
| Vanguard Portfolio Management | 5.18% | 7.35M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 24, 2026 | Mark F. ONeildirector | Purchase · 2 lots | 9,600 | $52.36 | 34,290 |
| Jun 25, 2026 | Marcella Shinderdirector | Purchase | 574 | $52.01 | 24,993 |
| Jun 25, 2026 | Sona Chawladirector | Purchase | 2,000 | $53.39 | 21,702 |
| Jun 22, 2026 | Keith Barrdirector, officer: President and CEO | Purchase | 9,400 | $53.01 | 33,375 |
| Jun 22, 2026 | Peter J. Bensendirector | Purchase | 2,500 | $52.20 | 24,796 |
| Oct 2, 2025 | Mark F. ONeildirector | Purchase | 10,816 | $46.21 | 24,690 |
| Oct 2, 2025 | Mitchell D. Steenroddirector | Purchase | 2,000 | $45.57 | 38,330 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Gilbert Cisneros · CA31 | Purchase | $1,001 – $15,000 | Aug 19, 2026 | Sep 11, 2026 |
