George Soros's position in Amazon.com is currently worth $73.1 Million. That's 2.98% of their equity portfolio (7th largest holding). The first Amazon.com trade was made in Q3 2003. Since then George Soros bought shares 25 more times and sold shares on 33 occasions. The stake costed the investor $59.8 Million, netting the investor a gain of 22% so far.