Jeremy Grantham acquired 5.79 Million Abbott Laboratories shares worth $678 Million. That's 2.33% of their equity portfolio (12th largest holding). The first Abbott Laboratories trade was made in Q1 2013. Since then Jeremy Grantham bought shares 21 more times and sold shares on 26 occasions. The stake costed the investor $285 Million, netting the investor a gain of 138% so far.