Updated Jun 13, 2026 – 11.21am, first published at 1.11amSpaceX soared into the history books on its first day of trading, as investors piled into the hotly anticipated IPO to value the rocket, satellite and artificial intelligence company at a massive $US2.1 trillion ($2.99 trillion) – making founder Elon Musk’s the world’s first trillionaire.As the first of the so-called “mega-cap” AI initial public offerings destined for Wall Street over the next year, SpaceX set a challenging precedent, hitting the boards in New York at $US150 per share, well above its $US135 issue price.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles