Jim Simons's position in Rio Tinto plc is currently worth $78.4M. That's 0.10% of their equity portfolio (218th largest holding). The first Rio Tinto plc trade was made in Q2 2013. Since then Jim Simons bought shares 24 more times and sold shares on sixteen occasions. The investor's estimated purchase price is $79.3M, resulting in a loss of 1.0%.