Tom Gayner acquired 1.06 Million Comcast Corp shares worth $41.4 Million. That's 0.43% of their equity portfolio (55th largest holding). The investor owns Inf% of the outstanding Comcast Corp stock. The first Comcast Corp trade was made in Q4 2007. Since then Tom Gayner bought shares 22 more times and sold shares on ten occasions. The stake costed the investor $40 Million, netting the investor a gain of 3.3% so far.