Jim Simons's position in Silicom is currently worth $2.76M. That's 0.00% of their equity portfolio (1689th largest holding). The investor owns 1.43% of the outstanding Silicom stock. The first Silicom trade was made in Q2 2013. Since then Jim Simons bought shares twenty more times and sold shares on 22 occasions. The investor's estimated purchase price is $2.79M, resulting in a loss of 1.3%.