Ken Fisher acquired 3.85M Intuitive Surgical shares worth $1.75B. That's 0.64% of their equity portfolio (43rd largest holding). The investor owns 1.03% 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 five occasions. The stake costed the investor $875M, netting the investor a gain of 100% so far.