KEY POINTS
  • Amazon holds a 20% stake in electric-vehicle maker Rivian Automotive, the e-commerce giant disclosed in a securities filing Friday.
  • Rivian filed its IPO prospectus earlier this month, revealing new details about how closely enjoined Amazon and Rivian are.
  • Amazon has contracted Rivian to produce 100,000 electric last-mile delivery vehicles by 2030.

Amazon on Friday announced a sizable stake in Rivian Automotive, a start-up developing electric vehicles, including the retail giant's commercial delivery vans.

As of Sept. 30, Amazon held equity investments "including preferred stock of Rivian Automotive, Inc. representing an approximately 20% ownership interest" that had a carrying value of $3.8 billion, up from $2.7 billion on Dec. 31, the company disclosed in an SEC filing. Amazon has invested more than $1.3 billion in Rivian to date, Rivian said in a separate securities filing earlier this month.