George Soros started to build up the position in BlackRock Institutional Trust Company N.A. - iShares U.S. Real Estate ETF in Q3 2008 and continued to invest until Q2 2018. Since then they sold 263 Thousand shares. The investor sold all their shares in Q3 2018 and doesn't own any shares in BlackRock Institutional Trust Company N.A. - iShares U.S. Real Estate ETF anymore.