Ken Griffin acquired 74.6 Thousand BlackRock Institutional Trust Company N.A. - iShares Russell 1000 Growth ETF shares worth $23.8 Million. That's 0.02% of their equity portfolio (701st largest holding). The investor owns 922.86% of the outstanding BlackRock Institutional Trust Company N.A. - iShares Russell 1000 Growth ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares Russell 1000 Growth ETF trade was made in Q4 2014. Since then Ken Griffin bought shares 28 more times and sold shares on 29 occasions. The stake costed the investor $19.3 Million, netting the investor a gain of 23% so far.