Elon Musk is talking openly about merging Tesla (NASDAQ:TSLA) and SpaceX, and he is doing it at a strange and convenient moment. SpaceX filed its S-1 on May 20, 2026, targeting a $1.75 trillion valuation, which would be the largest IPO in human history. Tesla, the publicly traded half of the Musk universe, sits at ... Musk Wants to Merge SpaceX and Tesla. If He Does, He’ll Control a $3.4 Trillion Empire