Ken Griffin's position in BlackRock Institutional Trust Company N.A. - iShares iBoxx USD Investment Grade Corporate Bond ETF is currently worth $255 Million. That's 0.26% of their equity portfolio (60th largest holding). The investor owns 9834.87% of the outstanding BlackRock Institutional Trust Company N.A. - iShares iBoxx USD Investment Grade Corporate Bond ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares iBoxx USD Investment Grade Corporate Bond ETF trade was made in Q2 2014. Since then Ken Griffin bought shares 50 more times and sold shares on 36 occasions. The investor's estimated purchase price is $307 Million, resulting in a loss of 17%.