George Soros acquired 17.8 Million Rivian Automotive shares worth $626 Million. It makes up 18.08% of their stock portfolio and is their biggest holding. The investor owns 1.75% of the outstanding Rivian Automotive stock. George Soros started to build up the position in Rivian Automotive in Q4 2021. Since then they sold 2 Million shares. The investor's estimated purchase price is $2.05 Billion, resulting in a loss of 70%.