Mario Gabelli's position in Intuitive Surgical is currently worth $4.16 Million. That's 0.05% of their equity portfolio (347th largest holding). The first Intuitive Surgical trade was made in Q3 2011. Since then Mario Gabelli bought shares seventeen more times and sold shares on twelve occasions. The stake costed the investor $2.42 Million, netting the investor a gain of 72% so far.