Ken Fisher acquired 4.49 Million Intuitive Surgical shares worth $1.79 Billion. That's 0.87% of their equity portfolio (30th largest holding). The investor owns 1.29% of the outstanding Intuitive Surgical stock. The first Intuitive Surgical trade was made in Q1 2018. Since then Ken Fisher bought shares twenty more times and sold shares on three occasions. The stake costed the investor $948 Million, netting the investor a gain of 89% so far.