Joel Greenblatt acquired 81.5 Thousand Fortinet shares worth $7.94 Million. That's 0.08% of their equity portfolio (359th largest holding). The first Fortinet trade was made in Q4 2013. Since then Joel Greenblatt bought shares sixteen more times and sold shares on 23 occasions. The stake costed the investor $1.46 Million, netting the investor a gain of 443% so far.