Ken Griffin's position in Aspen Aerogels is currently worth $1.53 Million. That's 0.00% of their equity portfolio (2511th largest holding). The first Aspen Aerogels trade was made in Q4 2015. Since then Ken Griffin bought shares 31 more times and sold shares on 22 occasions. The investor's estimated purchase price is $6.16 Million, resulting in a loss of 75%.