Ray Dalio acquired 1.7 Million BlackRock Institutional Trust Company N.A. - BTC iShares Core S&P 500 shares worth $625 Million. That's 2.82% of their equity portfolio (6th largest holding). The investor owns 12965.40% 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 twelve more times and sold shares on seven occasions. The stake costed the investor $535 Million, netting the investor a gain of 17% so far.