Ray Dalio's position in Lam Research is currently worth $65.6 Million. That's 0.34% of their equity portfolio (53rd largest holding). The first Lam Research trade was made in Q1 2007. Since then Ray Dalio bought shares 32 more times and sold shares on 25 occasions. The stake costed the investor $46.7 Million, netting the investor a gain of 40% so far.