Ken Griffin acquired 95.7 Thousand BlackRock Institutional Trust Company N.A. - iShares 1-3 Year Treasury Bond ETF shares worth $7.83 Million. That's 0.01% of their equity portfolio (1294th largest holding). The investor owns 298.71% of the outstanding BlackRock Institutional Trust Company N.A. - iShares 1-3 Year Treasury Bond ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares 1-3 Year Treasury Bond ETF trade was made in Q1 2014. Since then Ken Griffin bought shares 43 more times and sold shares on 38 occasions. The stake costed the investor $7.78 Million, netting the investor a gain of 0.7% so far.