Ray Dalio acquired 1.12 Million BlackRock Institutional Trust Company N.A. - BTC iShares Core S&P 500 shares worth $440 Million. That's 1.93% of their equity portfolio (13th largest holding). The investor owns 422.41% of the outstanding BlackRock Institutional Trust Company N.A. - BTC iShares Core S&P 500 stock. The first BlackRock Institutional Trust Company N.A. - BTC iShares Core S&P 500 trade was made in Q3 2010. Since then Ray Dalio bought shares eleven more times and sold shares on seven occasions. The stake costed the investor $336 Million, netting the investor a gain of 31% so far.