Jim Simons acquired 250 Thousand Ecolab shares worth $54.9 Million. That's 0.08% of their equity portfolio (281st largest holding). The first Ecolab trade was made in Q4 2013. Since then Jim Simons bought shares sixteen more times and sold shares on fourteen occasions. The stake costed the investor $39.7 Million, netting the investor a gain of 38% so far.