Ken Griffin's position in Aspen Aerogels is currently worth $4.08 Million. That's 0.00% of their equity portfolio (1640th largest holding). The first Aspen Aerogels trade was made in Q4 2015. Since then Ken Griffin bought shares ten more times and sold shares on seven occasions. The investor's estimated purchase price is $4.13 Million, resulting in a loss of 1.3%.