Diamond Hill Capital's KMX Position Overview
Diamond Hill Capital (via Diamond Hill Capital Management INC) currently holds 4.21 M shares of CarMax, Inc. (KMX) worth $162.68 M, representing 0.83% of the portfolio. First purchased in 2022-Q4, this medium-term investment has been held for 13 quarters.
Based on 13F filings, Diamond Hill Capital has maintained a strategic position in KMX, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2023, adding 1.15 M shares. Largest reduction occurred in Q3 2025, reducing 2.13 M shares.
Analysis based on 13F filings available since 2013 Q2
Diamond Hill Capital's CarMax (KMX) Holding Value Over Time
Track share changes against reported price movement
Quarterly CarMax (KMX) Trades by Diamond Hill Capital
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -623,281 | Reduce 12.90% | 4.21 M | $38.64 |
| Q3 2025 | -2.13 M | Reduce 30.58% | 4.83 M | $44.87 |
| Q2 2025 | +1.1 M | Add 18.82% | 6.96 M | $67.21 |
| Q1 2025 | -362,570 | Reduce 5.83% | 5.86 M | $77.92 |
| Q4 2024 | -86,233 | Reduce 1.37% | 6.22 M | $81.76 |
| Q3 2024 | -395,145 | Reduce 5.89% | 6.31 M | $77.38 |
| Q2 2024 | -36,438 | Reduce 0.54% | 6.7 M | $73.34 |
| Q1 2024 | +39,909 | Add 0.60% | 6.74 M | $87.11 |
| Q4 2023 | +1.15 M | Add 20.74% | 6.7 M | $76.74 |
| Q3 2023 | +210,440 | Add 3.94% | 5.55 M | $70.73 |
| Q2 2023 | -19,747 | Reduce 0.37% | 5.34 M | $83.70 |
| Q1 2023 | -28,198 | Reduce 0.52% | 5.36 M | $64.28 |
| Q4 2022 | +5.39 M | New Buy | 5.39 M | $60.89 |
Diamond Hill Capital's CarMax Investment FAQs
Diamond Hill Capital first purchased CarMax, Inc. (KMX) in Q4 2022, acquiring 5,386,178 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Diamond Hill Capital has held CarMax, Inc. (KMX) for 13 quarters since Q4 2022.
Diamond Hill Capital's largest addition to CarMax, Inc. (KMX) was in Q4 2022, adding 5,386,178 shares worth $327.96 M.
According to the latest 13F filing for Q4 2025, Diamond Hill Capital's firm, Diamond Hill Capital Management INC, owns 4,210,038 shares of CarMax, Inc. (KMX), valued at approximately $162.68 M.
As of the Q4 2025 filing, CarMax, Inc. (KMX) represents approximately 0.83% of Diamond Hill Capital's publicly disclosed stock portfolio, making it one of their key holdings.
Diamond Hill Capital's peak holding in CarMax, Inc. (KMX) was 6,961,938 shares, as reported at the end of Q2 2025.