Joel Greenblatt acquired 13.8 Thousand Idexx Laboratories shares worth $6.77 Million. That's 0.07% of their equity portfolio (399th largest holding). The first Idexx Laboratories trade was made in Q2 2013. Since then Joel Greenblatt bought shares thirteen more times and sold shares on eighteen occasions. The stake costed the investor $6.49 Million, netting the investor a gain of 4.2% so far.