Ken Griffin's position in BlackRock Institutional Trust Company N.A. - iShares 7-10 Year Treasury Bond ETF is currently worth $223 Million. That's 0.23% of their equity portfolio (78th largest holding). The investor owns 8605.88% of the outstanding BlackRock Institutional Trust Company N.A. - iShares 7-10 Year Treasury Bond ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares 7-10 Year Treasury Bond ETF trade was made in Q2 2014. Since then Ken Griffin bought shares 56 more times and sold shares on 38 occasions. The investor's estimated purchase price is $263 Million, resulting in a loss of 15%.