By Dan Weil The position was worth about $2 billion when George Soros’ firm bought it, but is now worth about $1.2 billion. Iconic investor George Soros’ investment company Soros Fund Management snapped up almost 20 million shares of electric vehicle company Rivian Automotive (RIVN) – Get Rivian Automotive, Inc. Class A Report last quarter. The stake was worth $2 billion when Soros Fund Management bought it, but it’s now worth about $1.2 billion. The firm disclosed the stake in a Securities and Exchange Commission filing. Rivian shares have cratered 40% so far this year. The company announced …