Jim Simons acquired 3 Million Alibaba Group Holding Ltd shares worth $377 Million. That's 0.58% of their equity portfolio (22nd largest holding). The first Alibaba Group Holding Ltd trade was made in Q2 2015. Since then Jim Simons bought shares ten more times and sold shares on ten occasions. The stake costed the investor $261 Million, netting the investor a gain of 45% so far.