George Soros's position in Amazon.com is currently worth $88.9 Million. That's 2.71% of their equity portfolio (9th largest holding). The first Amazon.com trade was made in Q3 2003. Since then George Soros bought shares 27 more times and sold shares on 35 occasions. The stake costed the investor $67.1 Million, netting the investor a gain of 32% so far.