Ken Griffin's position in Palo Alto Networks is currently worth $743 Million. That's 0.89% of their equity portfolio (3rd largest holding). The investor owns 1.28% of the outstanding Palo Alto Networks stock. The first Palo Alto Networks trade was made in Q2 2013. Since then Ken Griffin bought shares 52 more times and sold shares on 32 occasions. The investor's estimated purchase price is $1.14 Billion, resulting in a loss of 35%.