Jim Simons acquired 20.1 Thousand Monolithic Power System shares worth $14.1 Million. That's 0.02% of their equity portfolio (789th largest holding). The first Monolithic Power System trade was made in Q2 2013. Since then Jim Simons bought shares eighteen more times and sold shares on 22 occasions. The stake costed the investor $13.4 Million, netting the investor a gain of 5.3% so far.