Ken Griffin acquired 257 Thousand Ultragenyx Pharmaceutical shares worth $9.27 Million. That's 0.01% of their equity portfolio (1208th largest holding). The first Ultragenyx Pharmaceutical trade was made in Q1 2014. Since then Ken Griffin bought shares 55 more times and sold shares on 54 occasions. The investor's estimated purchase price is $17.2 Million, resulting in a loss of 46%.