Joel Greenblatt's position in Carmax is currently worth $5.46 Million. That's 0.08% of their equity portfolio (327th largest holding). The first Carmax trade was made in Q2 2015. Since then Joel Greenblatt bought shares fourteen more times and sold shares on thirteen occasions. The stake costed the investor $5.37 Million, netting the investor a gain of 1.6% so far.