Mario Gabelli's position in Watts Water Technologies is currently worth $111 Million. That's 1.18% of their equity portfolio (11th largest holding). The investor owns 1.37% of the outstanding Watts Water Technologies stock. The first Watts Water Technologies trade was made in Q1 2001. Since then Mario Gabelli bought shares 22 more times and sold shares on 84 occasions. The stake costed the investor $13.3 Million, netting the investor a gain of 736% so far.