Ken Griffin's position in Planet Fitness is currently worth $113 Million. That's 0.11% of their equity portfolio (207th largest holding). The investor owns 2.21% of the outstanding Planet Fitness stock. The first Planet Fitness trade was made in Q3 2015. Since then Ken Griffin bought shares 46 more times and sold shares on 41 occasions. The investor's estimated purchase price is $114 Million, resulting in a loss of 1.4%.