Jim Simons's position in Watts Water Technologies is currently worth $20.5 Million. That's 0.03% of their equity portfolio (602nd largest holding). The first Watts Water Technologies trade was made in Q1 2014. Since then Jim Simons bought shares twenty more times and sold shares on 21 occasions. The stake costed the investor $9.3 Million, netting the investor a gain of 121% so far.