Rivian — derived from "Indian River", was founded by RJ Scaringe on June 2009 in Rockledge, Florida as Mainstream Motors. Rivian became a public company through an IPO on November 10, 2021. Here are four charts to look at the returns of Rivian since its IPO. Rivian Automotive … [Read more...] about Rivian Automotive (RIVN) Stock Returns History