Tom Gayner's KMX Position Overview
Tom Gayner (via Markel Group Inc.) currently holds 136.5K shares of CarMax, Inc. (KMX) worth $6.12 M, representing 0.05% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Tom Gayner has maintained a long-term strategic position in KMX, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2023, adding 26.5K shares. Largest reduction occurred in Q4 2022, reducing 4.9M shares.
Analysis based on 13F filings available since 2013 Q2
Tom Gayner's CarMax (KMX) Holding Value Over Time
Track share changes against reported price movement
Quarterly CarMax (KMX) Trades by Tom Gayner
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +5.11 M | Add 0.00% | 5.11 M | $46.16 |
| Q3 2013 | -74,752 | Reduce 1.46% | 5.03 M | $48.47 |
| Q4 2013 | -8,231 | Reduce 0.16% | 5.03 M | $47.02 |
| Q1 2014 | -63,218 | Reduce 1.26% | 4.96 M | $46.80 |
| Q1 2015 | -50,000 | Reduce 1.01% | 4.91 M | $69.01 |
| Q2 2020 | -4.91 M | Sold Out | 4.91 M | $0.00 |
| Q4 2022 | +35,000 | New Buy | 35,000 | $60.89 |
| Q1 2023 | +21,000 | Add 60.00% | 56,000 | $64.28 |
| Q2 2023 | +13,000 | Add 23.21% | 69,000 | $83.70 |
| Q3 2023 | +15,000 | Add 21.74% | 84,000 | $70.73 |
| Q4 2023 | +26,500 | Add 31.55% | 110,500 | $76.74 |
| Q1 2024 | +13,000 | Add 11.76% | 123,500 | $87.11 |
| Q2 2024 | +13,000 | Add 10.53% | 136,500 | $73.34 |
Tom Gayner's CarMax Investment FAQs
Tom Gayner first purchased CarMax, Inc. (KMX) in Q2 2013, acquiring 5,109,271 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner has held CarMax, Inc. (KMX) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner's largest addition to CarMax, Inc. (KMX) was in Q2 2013, adding 5,109,271 shares worth $235.84 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Tom Gayner's firm, Markel Group Inc., owns 136,500 shares of CarMax, Inc. (KMX), valued at approximately $6.12 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, CarMax, Inc. (KMX) represents approximately 0.05% of Tom Gayner's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner's peak holding in CarMax, Inc. (KMX) was 5,109,271 shares, as reported at the end of Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.