Andreas Halvorsen acquired 6.9 Million Amazon.com shares worth $1.28 Billion. That's 4.83% of their equity portfolio (4th largest holding). The first Amazon.com trade was made in Q2 2015. Since then Andreas Halvorsen bought shares fifteen more times and sold shares on twenty occasions. The stake costed the investor $393 Million, netting the investor a gain of 226% so far.