Joel Greenblatt acquired 117k Hanover Insurance Group shares worth $21.2M. That's 0.12% of their equity portfolio (192nd largest holding). The first Hanover Insurance Group trade was made in Q1 2014. Since then Joel Greenblatt bought shares eighteen more times and sold shares on eleven occasions. The stake costed the investor $16.6M, netting the investor a gain of 28% so far.