Bill Ackman acquired 356 Thousand BlackRock Institutional Trust Company N.A. - iShares U.S. Real Estate ETF shares worth $29.1 Million. That's 0.30% of their equity portfolio (8th largest holding). The investor owns 1121.27% of the outstanding BlackRock Institutional Trust Company N.A. - iShares U.S. Real Estate ETF stock. Bill Ackman acquired their 356 Thousand shares in Q2 2007. So far they never sold any shares in the company. The investor's estimated purchase price is $29.8 Million, resulting in a loss of 2.6%.