Ken Griffin's position in First Solar is currently worth $660 Million. That's 0.81% of their equity portfolio (6th largest holding). The investor owns 2.95% of the outstanding First Solar stock. The first First Solar trade was made in Q2 2013. Since then Ken Griffin bought shares 48 more times and sold shares on 36 occasions. The stake costed the investor $267 Million, netting the investor a gain of 148% so far.