Jeremy Grantham's position in Comcast Corp is currently worth $67.5 Million. That's 0.29% of their equity portfolio (58th largest holding). The investor owns Inf% of the outstanding Comcast Corp stock. The first Comcast Corp trade was made in Q1 2013. Since then Jeremy Grantham bought shares sixteen more times and sold shares on twenty occasions. The investor's estimated purchase price is $72 Million, resulting in a loss of 6.3%.