Ken Griffin's position in Alcoa is currently worth $106 Million. That's 0.10% of their equity portfolio (227th largest holding). The investor owns 1.88% of the outstanding Alcoa stock. The first Alcoa trade was made in Q4 2016. Since then Ken Griffin bought shares 48 more times and sold shares on 35 occasions. The investor's estimated purchase price is $111 Million, resulting in a loss of 4.4%.