Joel Greenblatt acquired 31 Thousand CME Group shares worth $6.39 Million. That's 0.11% of their equity portfolio (224th largest holding). The first CME Group trade was made in Q4 2011. Since then Joel Greenblatt bought shares 22 more times and sold shares on sixteen occasions. The stake costed the investor $6.21 Million, netting the investor a gain of 2.9% so far.