Joel Greenblatt acquired 184 Thousand Masco shares worth $13.3 Million. That's 0.24% of their equity portfolio (53rd largest holding). The first Masco trade was made in Q3 2011. Since then Joel Greenblatt bought shares 22 more times and sold shares on 24 occasions. The stake costed the investor $7.09 Million, netting the investor a gain of 87% so far.