Joel Greenblatt acquired 67.6 Thousand Hanover Insurance Group shares worth $11.3 Million. That's 0.11% of their equity portfolio (234th largest holding). The first Hanover Insurance Group trade was made in Q1 2014. Since then Joel Greenblatt bought shares sixteen more times and sold shares on eleven occasions. The stake costed the investor $8.59 Million, netting the investor a gain of 31% so far.