Chuck Akre acquired 733k Simpson Manufacturing , Inc. shares worth $141M. That's 1.34% of their equity portfolio (13th largest holding). The investor owns 1.78% of the outstanding Simpson Manufacturing , Inc. stock. The first Simpson Manufacturing , Inc. trade was made in Q1 2004. Since then Chuck Akre bought shares nine more times and sold shares on four occasions. The stake costed the investor $23.7M, netting the investor a gain of 496% so far.