Joel Greenblatt's position in Intuitive Surgical is currently worth $19.1 Million. That's 0.15% of their equity portfolio (131st largest holding). The first Intuitive Surgical trade was made in Q3 2012. Since then Joel Greenblatt bought shares 21 more times and sold shares on eighteen occasions. The stake costed the investor $12.8 Million, netting the investor a gain of 49% so far.