Ken Griffin's position in Pacific Biosciences of California is currently worth $57.1 Million. That's 0.07% of their equity portfolio (362nd largest holding). The investor owns 2.36% of the outstanding Pacific Biosciences of California stock. The first Pacific Biosciences of California trade was made in Q4 2013. Since then Ken Griffin bought shares 38 more times and sold shares on 33 occasions. The stake costed the investor $37.2 Million, netting the investor a gain of 54% so far.