Ray Dalio's position in Rio Tinto plc is currently worth $12M. That's 0.04% of their equity portfolio (255th largest holding). The first Rio Tinto plc trade was made in Q1 2013. Since then Ray Dalio bought shares 24 more times and sold shares on 23 occasions. The stake costed the investor $7.81M, netting the investor a gain of 54% so far.