Ken Griffin acquired 272 Thousand Intuitive Surgical shares worth $147 Million. That's 0.14% of their equity portfolio (176th largest holding). The first Intuitive Surgical trade was made in Q2 2013. Since then Ken Griffin bought shares 57 more times and sold shares on 55 occasions. The stake costed the investor $46.3 Million, netting the investor a gain of 217% so far.