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CARMAX INC

KMX

Holders

2

Combined Value

$57.44M

Combined Shares

1,381,500

Current Price

$51.26

52W High

$71.99

vs 52W High

−28.8%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$30.02$50.14$70.26$90.38Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $73.34Q3 2024 · implied price $77.38Q4 2024 · implied price $81.76Q1 2025 · implied price $77.92Q2 2025 · implied price $67.21Q3 2025 · implied price $44.87Q4 2025 · implied price $38.64Q1 2026 · implied price $41.58Chuck Akre - Akre Capital Management · bought 2,145,509 shares @ ~$73.34 · Q2 2024 (new position)Tom Gayner - Markel Group · bought 136,500 shares @ ~$73.34 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 333,600 shares @ ~$77.38 · Q3 2024 (new position)Chuck Akre - Akre Capital Management · sold 848,358 shares @ ~$77.38 · Q3 2024Jim Simons - Renaissance Technologies · bought 362,300 shares @ ~$81.76 · Q4 2024Chuck Akre - Akre Capital Management · sold 629,714 shares @ ~$81.76 · Q4 2024Jim Simons - Renaissance Technologies · sold 628,400 shares @ ~$77.92 · Q1 2025Chuck Akre - Akre Capital Management · sold 462,162 shares @ ~$77.92 · Q1 2025Jim Simons - Renaissance Technologies · bought 487,300 shares @ ~$67.21 · Q2 2025Chuck Akre - Akre Capital Management · sold 54,675 shares @ ~$67.21 · Q2 2025Jim Simons - Renaissance Technologies · bought 96,000 shares @ ~$41.58 · Q1 2026Chuck Akre - Akre Capital Management · sold 150,600 shares @ ~$38.64 · Q1 2026 (sold out)Jim Simons - Renaissance Technologies · sold 481,500 shares @ ~$44.87 · Q3 2025Jim Simons - Renaissance Technologies · bought 1,075,700 shares @ ~$38.64 · Q4 2025BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Jim Simons - Renaissance Technologies$51.77M0.08%~$40.64+26.1%BUY Q1 2026Q1 2026
Tom Gayner - Markel Group$5.68M0.05%~$73.34−30.1%BUY Q2 2024Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Chuck Akre - Akre Capital ManagementSOLD OUT−$5.82M~$38.64
Q1 2026Jim Simons - Renaissance TechnologiesBUY+$3.99M~$41.58
Q4 2025Jim Simons - Renaissance TechnologiesBUY+$41.57M~$38.64
Q3 2025Jim Simons - Renaissance TechnologiesSELL−$21.60M~$44.87
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$32.75M~$67.21
Q2 2025Chuck Akre - Akre Capital ManagementSELL−$3.67M~$67.21
Q1 2025Jim Simons - Renaissance TechnologiesSELL−$48.96M~$77.92
Q1 2025Chuck Akre - Akre Capital ManagementSELL−$36.01M~$77.92
Q4 2024Chuck Akre - Akre Capital ManagementSELL−$51.49M~$81.76
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$29.62M~$81.76
Q3 2024Chuck Akre - Akre Capital ManagementSELL−$65.65M~$77.38
Q3 2024Jim Simons - Renaissance TechnologiesNEW BUY+$25.81M~$77.38
Q2 2024Chuck Akre - Akre Capital ManagementNEW BUY+$157.35M~$73.34
Q2 2024Tom Gayner - Markel GroupNEW BUY+$10.01M~$73.34

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202621,381,500-3.8%$57.44M$41.58
Q4 202531,436,100+298.5%$55.49M$38.64
Q3 20253360,400-57.2%$16.17M$44.87
Q2 20253841,900+105.7%$56.58M$67.21
Q1 20253409,275-72.7%$31.89M$77.92
Q4 202431,499,837-15.1%$122.63M$81.76
Q3 202431,767,251-22.6%$136.75M$77.38
Q2 202422,282,009—$167.36M$73.34