Ken Griffin acquired 424 Thousand Fiserv shares worth $48.4 Million. That's 0.05% of their equity portfolio (469th largest holding). The first Fiserv trade was made in Q2 2013. Since then Ken Griffin bought shares 54 more times and sold shares on 45 occasions. The stake costed the investor $41.5 Million, netting the investor a gain of 17% so far.