Jeremy Grantham acquired 8.11 Million Abbott Laboratories shares worth $1.08 Billion. That's 3.37% of their equity portfolio (6th largest holding). The first Abbott Laboratories trade was made in Q1 2013. Since then Jeremy Grantham bought shares 24 more times and sold shares on 26 occasions. The stake costed the investor $441 Million, netting the investor a gain of 144% so far.