Joel Greenblatt acquired 86.1 Thousand Hologic shares worth $6.46 Million. That's 0.10% of their equity portfolio (267th largest holding). The first Hologic trade was made in Q2 2012. Since then Joel Greenblatt bought shares nineteen more times and sold shares on seventeen occasions. The stake costed the investor $5.65 Million, netting the investor a gain of 14% so far.