Andreas Halvorsen acquired 931 Thousand Intuitive Surgical shares worth $354 Million. That's 1.25% of their equity portfolio (28th 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 three occasions. The stake costed the investor $287 Million, netting the investor a gain of 24% so far.