Jeremy Grantham acquired 531k Citigroup shares worth $69M. That's 0.16% of their equity portfolio (61st largest holding). The first Citigroup trade was made in Q1 2013. Since then Jeremy Grantham bought shares nineteen more times and sold shares on 31 occasions. The stake costed the investor $27.1M, netting the investor a gain of 154% so far.