Ken Griffin acquired 2.9 Thousand CSG Systems International shares worth $189 Thousand. That's 0.00% of their equity portfolio (4058th largest holding). The first CSG Systems International trade was made in Q2 2013. Since then Ken Griffin bought shares 42 more times and sold shares on 43 occasions. The stake costed the investor $153 Thousand, netting the investor a gain of 23% so far.