Mario Gabelli acquired 136 Thousand Amazon.com shares worth $26.2 Million. That's 0.28% of their equity portfolio (91st largest holding). The first Amazon.com trade was made in Q4 2001. Since then Mario Gabelli bought shares 32 more times and sold shares on 35 occasions. The stake costed the investor $7.98 Million, netting the investor a gain of 229% so far.