Public filings / KMX on Yahoo Finance (opens in a new tab)
KMX: insider buying, 13F holders, analyst moves
Carmax Inc - US
A summary of public filings about Carmax Inc - US. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.
SEC Form 13F · Q2 2026
6 of our 100 managers hold KMX
Combined reported value $749.8M.
Holders among our 100 managers: 7 in Q3 2023, 6 in Q2 2026.
| Manager | Value | % of portfolio | Change vs Q1 2026 |
|---|---|---|---|
| SRS Investment | $313.3M | 2.93% | Added |
| Starboard Value | $169.6M | 3.75% | Trimmed |
| First Pacific Advisors | $159.1M | 1.97% | Added |
| Slate Path Capital | $96.7M | 1.34% | New |
| Markel Group | $7.2M | 0.06% | Unchanged |
| Tudor Investment | $3.9M | 0.02% | Added |
Important information
Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.