Mario Gabelli's position in Ecolab is currently worth $17.5 Million. That's 0.18% of their equity portfolio (140th largest holding). The first Ecolab trade was made in Q1 2001. Since then Mario Gabelli bought shares seven more times and sold shares on 81 occasions. The stake costed the investor $3.36 Million, netting the investor a gain of 421% so far.