CarMax, Inc. (KMX) ownership: Top institutional holder: BlackRock, Inc. ($717.57M). Insider activity: Net Seller (7 buys, 13 sells). 9 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 17257461.00 | $717.57M | 2026-03-31 |
| VANGUARD GROUP INC | 15076900.00 | $582.57M | 2025-12-31 |
| NORGES BANK | 5606458.00 | $436.86M | 2025-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 10060502.00 | $412.58M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7276272.00 | $302.55M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6386764.00 | $265.56M | 2026-03-31 |
| Starboard Value LP | 6201362.00 | $257.85M | 2026-03-31 |
| SRS Investment Management, LLC | 5651674.00 | $235.00M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Buy | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Buy | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Buy | null | 2026-05-01 |
Back to KMX overview · KMX earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.