Joel Greenblatt's position in Simpson Manufacturing , Inc. is currently worth $5.58 Million. That's 0.06% of their equity portfolio (451st largest holding). The first Simpson Manufacturing , Inc. trade was made in Q4 2010. Since then Joel Greenblatt bought shares fifteen more times and sold shares on 31 occasions. The investor's estimated purchase price is $6.25 Million, resulting in a loss of 11%.