Joel Greenblatt acquired 89.6 Thousand 3M shares worth $12.6 Million. That's 0.13% of their equity portfolio (206th largest holding). The first 3M trade was made in Q2 2012. Since then Joel Greenblatt bought shares 24 more times and sold shares on 23 occasions. The investor's estimated purchase price is $15.3 Million, resulting in a loss of 18%.