Jim Simons's position in Macerich is currently worth $19.7M. That's 0.03% of their equity portfolio (655th largest holding). The first Macerich trade was made in Q3 2014. Since then Jim Simons bought shares 24 more times and sold shares on nineteen occasions. The stake costed the investor $17.1M, netting the investor a gain of 15% so far.