Jim Simons's position in RenaissanceRe Holdings Ltd is currently worth $18.3 Million. That's 0.03% of their equity portfolio (632nd largest holding). The first RenaissanceRe Holdings Ltd trade was made in Q3 2013. Since then Jim Simons bought shares 21 more times and sold shares on eighteen occasions. The stake costed the investor $13.7 Million, netting the investor a gain of 33% so far.