Jim Simons's position in Western Alliance Bancorp is currently worth $21.3 Million. That's 0.03% of their equity portfolio (611th largest holding). The first Western Alliance Bancorp trade was made in Q2 2013. Since then Jim Simons bought shares seventeen more times and sold shares on seventeen occasions. The stake costed the investor $17.6 Million, netting the investor a gain of 21% so far.