Joel Greenblatt acquired 8.63 Thousand Idexx Laboratories shares worth $4.12 Million. That's 0.07% of their equity portfolio (349th largest holding). The first Idexx Laboratories trade was made in Q2 2013. Since then Joel Greenblatt bought shares eleven more times and sold shares on sixteen occasions. The stake costed the investor $3.81 Million, netting the investor a gain of 8.3% so far.