Jeremy Grantham acquired 2.16 Million Anthem shares worth $1.04 Billion. That's 3.13% of their equity portfolio (9th largest holding). The first Anthem trade was made in Q4 2014. Since then Jeremy Grantham bought shares 24 more times and sold shares on seventeen occasions. The stake costed the investor $409 Million, netting the investor a gain of 155% so far.