The first BlackRock Institutional Trust Company N.A. - iShares Core S&P Mid-Cap ETF trade was made in Q2 2018. Since then Jim Simons bought shares eight more times and sold shares on nine occasions. The investor sold all their shares in Q4 2023 and doesn't own any shares in BlackRock Institutional Trust Company N.A. - iShares Core S&P Mid-Cap ETF anymore.