Teacher Retirement System of Texas Invests $1.38 Million in Rivian Automotive, Inc. (NASDAQ:RIVN) MarketBeatRivian Automotive, Inc. (NASDAQ:RIVN) Shares Sold by Mountain Hill Investment Partners Corp. MarketBeatBank of New York Mellon Corp Purchases 89,136 Shares of Rivian Automotive, Inc. (NASDAQ:RIVN) MarketBeatAlps Advisors Inc. Reduces Holdings in Rivian Automotive, Inc. (NASDAQ:RIVN) MarketBeat