Joel Greenblatt acquired 66.5 Thousand Exact Sciences shares worth $4.2 Million. That's 0.07% of their equity portfolio (350th largest holding). The first Exact Sciences trade was made in Q2 2016. Since then Joel Greenblatt bought shares sixteen more times and sold shares on fourteen occasions. The stake costed the investor $3.14 Million, netting the investor a gain of 34% so far.