Ken Griffin's position in Hecla Mining is currently worth $8.68 Million. That's 0.01% of their equity portfolio (1232nd largest holding). The first Hecla Mining trade was made in Q2 2013. Since then Ken Griffin bought shares 64 more times and sold shares on 47 occasions. The stake costed the investor $6.72 Million, netting the investor a gain of 29% so far.