Ken Griffin's position in Alcoa is currently worth $119 Million. That's 0.12% of their equity portfolio (209th largest holding). The investor owns 1.77% of the outstanding Alcoa stock. The first Alcoa trade was made in Q4 2016. Since then Ken Griffin bought shares 56 more times and sold shares on 39 occasions. The investor's estimated purchase price is $161 Million, resulting in a loss of 26%.