Ken Fisher acquired 4.05 Million Intuitive Surgical shares worth $2.2 Billion. That's 0.86% of their equity portfolio (34th largest holding). The investor owns 1.15% of the outstanding Intuitive Surgical stock. The first Intuitive Surgical trade was made in Q1 2018. Since then Ken Fisher bought shares 24 more times and sold shares on four occasions. The stake costed the investor $920 Million, netting the investor a gain of 139% so far.