Jeremy Grantham acquired 7.9 Million Abbott Laboratories shares worth $1.03 Billion. That's 3.29% of their equity portfolio (7th largest holding). The first Abbott Laboratories trade was made in Q1 2013. Since then Jeremy Grantham bought shares 23 more times and sold shares on 26 occasions. The stake costed the investor $426 Million, netting the investor a gain of 142% so far.