Ken Griffin acquired 34.3 Thousand BlackRock Institutional Trust Company N.A. - iShares Core S&P Total U.S. Stock Market ETF shares worth $3.76 Million. That's 0.00% of their equity portfolio (1715th largest holding). The investor owns 145.13% of the outstanding BlackRock Institutional Trust Company N.A. - iShares Core S&P Total U.S. Stock Market ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares Core S&P Total U.S. Stock Market ETF trade was made in Q4 2014. Since then Ken Griffin bought shares eight more times and sold shares on nine occasions. The stake costed the investor $3.36 Million, netting the investor a gain of 12% so far.