Ken Griffin's position in Kilroy Realty Corp. is currently worth $28.8 Million. That's 0.04% of their equity portfolio (569th largest holding). The first Kilroy Realty Corp. trade was made in Q2 2013. Since then Ken Griffin bought shares 36 more times and sold shares on 28 occasions. The investor's estimated purchase price is $33.9 Million, resulting in a loss of 15%.