Bill Gates's position in Ecolab is currently worth $719 Million. That's 4.09% of their equity portfolio (5th largest holding). The investor owns 1.51% of the outstanding Ecolab stock. Bill Gates acquired their 4.37 Million shares between 2010 and 2021. So far they never sold any shares in the company. The stake costed the investor $209 Million, netting the investor a gain of 244% so far.