Jim Simons's position in United Micro Electronics is currently worth $14.7 Million. That's 0.02% of their equity portfolio (717th largest holding). The first United Micro Electronics trade was made in Q2 2013. Since then Jim Simons bought shares 26 more times and sold shares on nineteen occasions. The stake costed the investor $14 Million, netting the investor a gain of 4.4% so far.