Jim Simons acquired 311 Thousand Ecolab shares worth $78.7 Million. That's 0.12% of their equity portfolio (196th largest holding). The first Ecolab trade was made in Q4 2013. Since then Jim Simons bought shares eighteen more times and sold shares on sixteen occasions. The stake costed the investor $59.1 Million, netting the investor a gain of 33% so far.