Ken Griffin's position in Juniper Networks is currently worth $12.2 Million. That's 0.01% of their equity portfolio (1029th largest holding). The first Juniper Networks trade was made in Q2 2013. Since then Ken Griffin bought shares 48 more times and sold shares on 51 occasions. The stake costed the investor $10.2 Million, netting the investor a gain of 19% so far.