Jeremy Grantham acquired 2.2k Costco Wholesale shares worth $2.1M. That's 0.01% of their equity portfolio (366th largest holding). The first Costco Wholesale trade was made in Q1 2013. Since then Jeremy Grantham bought shares eighteen more times and sold shares on 25 occasions. The stake costed the investor $2M, netting the investor a gain of 5.1% so far.