Ken Fisher acquired 20.1M Rio Tinto plc shares worth $2.02B. That's 0.60% of their equity portfolio (47th largest holding). The investor owns 1.24% of the outstanding Rio Tinto plc stock. The first Rio Tinto plc trade was made in Q1 2013. Since then Ken Fisher bought shares 33 more times and sold shares on twelve occasions. The stake costed the investor $1.22B, netting the investor a gain of 65% so far.