Joel Greenblatt acquired 303 Thousand Amazon.com shares worth $55.9 Million. That's 0.86% of their equity portfolio (10th largest holding). The first Amazon.com trade was made in Q2 2016. Since then Joel Greenblatt bought shares seventeen more times and sold shares on ten occasions. The stake costed the investor $24.8 Million, netting the investor a gain of 125% so far.