Stanley Druckenmiller acquired 808 Thousand Amazon.com shares worth $101 Million. That's 3.95% of their equity portfolio (9th largest holding). The first Amazon.com trade was made in Q3 2013. Since then Stanley Druckenmiller bought shares eighteen more times and sold shares on fourteen occasions. The stake costed the investor $78.1 Million, netting the investor a gain of 30% so far.