CarMax Inc (KMX)
Consumer Cyclical
Auto & Truck Dealerships
57.30 $
Closing price · As of: 31. Jul 2026
Who owns CarMax Inc (KMX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.4% of the shares are freely tradable; institutional investors hold 111.9%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
111.9%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
92.4%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
12.0%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
142Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.17 | 17,257,461 | -3.3 | 03/31/2026 |
| Vanguard Group Inc | 10.63 | 15,076,900 | -10.8 | 12/31/2025 |
| AQR Capital Management LLC | 7.09 | 10,060,502 | +26.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.13 | 7,276,272 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.50 | 6,386,764 | +0.0 | 03/31/2026 |
| Starboard Value LP | 4.37 | 6,201,362 | +0.0 | 03/31/2026 |
| SRS Investment Management, LLC | 3.99 | 5,651,674 | +0.2 | 03/31/2026 |
| Two Sigma Investments LLC | 3.77 | 5,347,097 | +80.2 | 03/31/2026 |
| State Street Corp | 3.44 | 4,885,060 | -3.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.07 | 8,602,771 | +0.0 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.