Ken Griffin acquired 262 Thousand Intuitive Surgical shares worth $141 Million. That's 0.14% of their equity portfolio (179th largest holding). The first Intuitive Surgical trade was made in Q2 2013. Since then Ken Griffin bought shares 55 more times and sold shares on 54 occasions. The stake costed the investor $44.4 Million, netting the investor a gain of 217% so far.