Ken Griffin acquired 299 Thousand Iridium Communications shares worth $7.77 Million. That's 0.01% of their equity portfolio (1297th largest holding). The first Iridium Communications trade was made in Q2 2013. Since then Ken Griffin bought shares 51 more times and sold shares on 57 occasions. The investor's estimated purchase price is $12.6 Million, resulting in a loss of 38%.