Ray Dalio acquired 2.31M BlackRock Institutional Trust Company N.A. - iShares Core S&P 500 ETF shares worth $1.51B. That's 5.86% of their entire equity portfolio (2nd largest holding). The investor owns 53.22% 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 Q3 2010. Since then Ray Dalio bought shares 21 more times and sold shares on ten occasions. The stake costed the investor $801M, netting the investor a gain of 88% so far.