Jeremy Grantham acquired 1.06 Million Intuitive Surgical shares worth $572 Million. That's 2.00% of their equity portfolio (17th largest holding). The first Intuitive Surgical trade was made in Q1 2013. Since then Jeremy Grantham bought shares thirteen more times and sold shares on fifteen occasions. The stake costed the investor $316 Million, netting the investor a gain of 81% so far.