Jim Simons acquired 213k Ecovyst shares worth $2.13M. That's 0.00% of their equity portfolio (1804th largest holding). The first Ecovyst trade was made in Q4 2021. Since then Jim Simons bought shares seven more times and sold shares on eleven occasions. The stake costed the investor $2.09M, netting the investor a gain of 1.6% so far.