Mario Gabelli acquired 612 Thousand Comcast Corp shares worth $24.2 Million. That's 0.26% of their equity portfolio (98th largest holding). The investor owns Inf% of the outstanding Comcast Corp stock. The first Comcast Corp trade was made in Q4 2002. Since then Mario Gabelli bought shares 30 more times and sold shares on 52 occasions. The stake costed the investor $11.2 Million, netting the investor a gain of 117% so far.