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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +12 vs. previous quarter
- 557
- 13F valueReported value at the end of Q2 2026
- $7.80B
- Superinvestors holdingAt the end of Q2 2026
- 2
Price chart
Superinvestors holding KMX, Q2 2026
2 superinvestors report holding CarMax Inc on Form 13F. Percentages are the stock's share of each portfolio.
Latest insider trades
Open-market purchases and sales by CarMax Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 26, 2026 (view filing) | Jun 25 | 1 day | Chawla SonaDirector | PPurchase | +2.00K | $53.39 | +$106.8K | +10.2%21.7K after | |
| Jun 26, 2026 (view filing) | Jun 25 | 1 day | Shinder MarcellaDirector | PPurchase | +574 | $52.01 | +$29.9K | +2.4%25.0K after | |
| Jun 26, 2026 (view filing) | Jun 24 | 2 days | ONeil Mark FDirector | PPurchase | +4.80K | $52.36 | +$251.3K | +19.4%29.5K after | |
| Jun 26, 2026 (view filing) | Jun 24 | 2 days | ONeil Mark FDirector | PPurchase | +4.80K | $52.36 | +$251.3K | New position4.80K after | |
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Bensen Peter JDirector | PPurchase | +2.50K | $52.20 | +$130.5K | +11.2%24.8K after | |
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Barr KeithPresident and CEO | PPurchase | +9.40K | $53.01 | +$498.3K | +39.2%33.4K after | |
| Oct 6, 2025 (view filing) | Oct 2 | 4 days | ONeil Mark FDirector | PPurchase | +10.8K | $46.21 | +$499.8K | +78.0%24.7K after | |
| Oct 3, 2025 (view filing) | Oct 2 | 1 day | Steenrod Mitchell DDirector | PPurchase | +2.00K | $45.57 | +$91.1K | +5.5%38.3K after | |
| Jul 3, 2025 (view filing) | Jul 2 | 1 day | Daniels Jon GEVP, CAF | SSale | −1.54K | $70.64 | −$108.8K | −35.7%2.78K after | |
| Apr 25, 2025 (view filing) | Apr 24 | 1 day | Steenrod Mitchell DDirector | PPurchase | +1.30K | $65.49 | +$85.1K | +4.0%33.6K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in CarMax Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,092,089 | $904.0M | 0.01% | −165,372−1.0% | Reduced |
| Vanguard Portfolio Management LLC | 7,286,475 | $385.4M | 0.02% | +10,203+0.1% | Added |
| AQR Capital Management LLC | 6,622,794 | $349.0M | 0.12% | −3,437,708−34.2% | Reduced |
| Vanguard Capital Management LLC | 6,420,191 | $339.6M | 0.01% | +33,427+0.5% | Added |
| SRS Investment Management, LLC | 5,922,862 | $313.3M | 2.93% | +271,188+4.8% | Added |
| Two Sigma Investments, LP | 5,831,970 | $308.5M | 0.23% | +484,873+9.1% | Added |
| State Street Corp | 5,156,276 | $272.7M | 0.01% | +271,216+5.6% | Added |
| Dimensional Fund Advisors LP | 4,974,772 | $263.1M | 0.05% | +699,109+16.4% | Added |
| Jupiter Topco LLC | 4,645,036 | $245.7M | 0.10% | +4,645,036 | New |
| Primecap Management Co | 4,359,016 | $230.5M | 0.14% | +8700.0% | Added |