Joel Greenblatt's position in Comcast Corp is currently worth $13.6 Million. That's 0.25% of their equity portfolio (49th largest holding). The investor owns Inf% of the outstanding Comcast Corp stock. The first Comcast Corp trade was made in Q4 2012. Since then Joel Greenblatt bought shares 23 more times and sold shares on 21 occasions. The stake costed the investor $12 Million, netting the investor a gain of 14% so far.