← Back to 13F holdingsStock detail · v1
CARMAX INC
$KMXLast close: $19.90(2010-06-30)BRK current position: 7,725,900 shares ($0.15B as of 2010-06-30)Quarters with activity: 9CUSIP: 143130102
Delisted or non-tradable security. No daily market prices available for KMX. The chart below uses the IMPLIED price from each 13F filing (value ÷ shares), which gives one datapoint per quarter rather than a continuous price line. Buy/sell markers and the position-history table still reflect Berkshire's actual transactions.
Price history with Berkshire transactions
InitiatedAddedTrimmedExited
KMX (indexed, 1× = first visible date)Shares held (right axis)
Hover for daily price. Triangle markers show quarter-end Berkshire buy (▲ green) / sell (▼ orange/red) events from 13F-HR filings. Quarter-level granularity only — actual trade dates are not disclosed.
Berkshire's quarterly position history
| Quarter | Shares | Δ Shares | Action | Value (USD) | 13F |
|---|---|---|---|---|---|
| 2010-06-30 | 7,725,900 | — | held | $153.7M | View |
| 2010-03-31 | 7,725,900 | -274,100 | trimmed | $194.1M | View |
| 2009-12-31 | 8,000,000 | -1,000,000 | trimmed | $194M | View |
| 2009-09-30 | 9,000,000 | — | held | $188.1M | View |
| 2009-06-30 | 9,000,000 | -3,000,000 | trimmed | $132.3M | View |
| 2009-03-31 | 12,000,000 | -5,636,500 | trimmed | $149.3M | View |
| 2008-12-31 | 17,636,500 | -807,600 | trimmed | $139M | View |
| 2008-09-30 | 18,444,100 | -2,855,900 | trimmed | $258.2M | View |
| 2008-06-30 | 21,300,000 | — | held | $302.2M | View |
| 2008-03-31 | 21,300,000 | +300,000 | added | $413.6M | View |
| 2007-12-31 | 21,000,000 | +7,018,200 | added | $414.8M | View |
| 2007-09-30 | 13,981,800 | +13,981,800 | initiated | $284.3M | View |
Prices via Yahoo Finance. Berkshire position data from quarterly 13F-HR filings. 13F has a ~45-day filing lag and only covers long US-listed equity positions. Cost basis below is approximated from the quarter-end value at which shares were added (FIFO).