Ray Dalio acquired 2.04 Million BlackRock Institutional Trust Company N.A. - iShares Core S&P 500 ETF shares worth $1.26 Billion. That's 5.60% of their entire equity portfolio (2nd largest holding). The investor owns 38.83% 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 nineteen more times and sold shares on ten occasions. The stake costed the investor $681 Million, netting the investor a gain of 85% so far.