BlackRock's position in BlackRock Institutional Trust Company N.A. - iShares Core S&P 500 ETF is currently worth $66.4B. That's 1.01% of their equity portfolio (14th largest holding). The investor owns 7.42% of the outstanding BlackRock Institutional Trust Company N.A. - iShares Core S&P 500 ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares Core S&P 500 ETF trade was made in Q4 2020. Since then BlackRock bought shares ten more times and sold shares on seven occasions. The stake costed the investor $37.5B, netting the investor a gain of 77% so far.