Andreas Halvorsen acquired 772 Thousand Intuitive Surgical shares worth $308 Million. That's 1.16% of their equity portfolio (29th largest holding). The first Intuitive Surgical trade was made in Q1 2013. Since then Andreas Halvorsen bought shares two more times and sold shares on four occasions. The stake costed the investor $238 Million, netting the investor a gain of 30% so far.