Jeremy Grantham acquired 2.5 Million Mosaic Company shares worth $115 Million. That's 0.58% of their equity portfolio (43rd largest holding). The first Mosaic Company trade was made in Q1 2013. Since then Jeremy Grantham bought shares nineteen more times and sold shares on fourteen occasions. The stake costed the investor $77 Million, netting the investor a gain of 49% so far.