Joel Greenblatt acquired 350 Thousand Amazon.com shares worth $67.2 Million. That's 0.68% of their equity portfolio (9th largest holding). The first Amazon.com trade was made in Q2 2016. Since then Joel Greenblatt bought shares nineteen more times and sold shares on eleven occasions. The stake costed the investor $30.6 Million, netting the investor a gain of 120% so far.