Ken Griffin's position in Monolithic Power System is currently worth $51.8 Million. That's 0.05% of their equity portfolio (436th largest holding). The first Monolithic Power System trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 45 occasions. The stake costed the investor $31.7 Million, netting the investor a gain of 63% so far.