Jeremy Grantham acquired 1.35 Million Citigroup shares worth $80 Million. That's 0.35% of their equity portfolio (49th largest holding). The first Citigroup trade was made in Q1 2013. Since then Jeremy Grantham bought shares eighteen more times and sold shares on 23 occasions. The stake costed the investor $68 Million, netting the investor a gain of 18% so far.