Ken Griffin acquired 55.9 Thousand Ecolab shares worth $12.3 Million. That's 0.01% of their equity portfolio (1022nd largest holding). The first Ecolab trade was made in Q2 2013. Since then Ken Griffin bought shares 54 more times and sold shares on 44 occasions. The stake costed the investor $9.7 Million, netting the investor a gain of 26% so far.