Jim Simons's position in Hudson Technologies is currently worth $11.7 Million. That's 0.02% of their equity portfolio (839th largest holding). The investor owns 3.97% of the outstanding Hudson Technologies stock. The first Hudson Technologies trade was made in Q2 2013. Since then Jim Simons bought shares fifteen more times and sold shares on eight occasions. The stake costed the investor $8.3 Million, netting the investor a gain of 41% so far.