The current institutional shareholding score of Rivian Automotive Inc is 3.00, ranking 41 out of 69 in the Automobiles & Auto Parts industry. The latest institutional shareholding proportion is 46.42%, representing a quarter-over-quarter increase of 5.95%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.87% of shares outstanding, with 1.69% increase in holdings.