Andreas Halvorsen acquired 2.61 Million Amazon.com shares worth $502 Million. That's 1.63% of their equity portfolio (23rd largest holding). The first Amazon.com trade was made in Q2 2015. Since then Andreas Halvorsen bought shares sixteen more times and sold shares on 22 occasions. The stake costed the investor $155 Million, netting the investor a gain of 224% so far.