Ken Griffin's position in Signet Jewelers Ltd is currently worth $18.4 Million. That's 0.02% of their equity portfolio (845th largest holding). The first Signet Jewelers Ltd trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 52 occasions. The stake costed the investor $9.13 Million, netting the investor a gain of 101% so far.