Jim Simons's position in Ultra Clean Hldgs is currently worth $3.27 Million. That's 0.01% of their equity portfolio (1537th largest holding). The first Ultra Clean Hldgs trade was made in Q2 2013. Since then Jim Simons bought shares 21 more times and sold shares on 21 occasions. The investor's estimated purchase price is $6.44 Million, resulting in a loss of 49%.