Andreas Halvorsen acquired 2.72 Million Amazon.com shares worth $591 Million. That's 1.74% of their equity portfolio (20th largest holding). The first Amazon.com trade was made in Q2 2015. Since then Andreas Halvorsen bought shares seventeen more times and sold shares on 22 occasions. The stake costed the investor $162 Million, netting the investor a gain of 265% so far.