Joel Greenblatt acquired 293 Thousand Amazon.com shares worth $53.2 Million. That's 0.96% of their equity portfolio (9th largest holding). The first Amazon.com trade was made in Q2 2016. Since then Joel Greenblatt bought shares sixteen more times and sold shares on ten occasions. The stake costed the investor $23.9 Million, netting the investor a gain of 123% so far.