Elon Musk’s SpaceX submits draft IPO filing ahead of AI rivals Anthropic, OpenAI, says report — Here’s what we know by Live mint | April 1, 2026 10:09 pm | Indian Stocks, Market, News SpaceX has filed confidentially for an initial public offering, according to people familiar with the matter, bringing billionaire Elon Musk’s rocket, satellite and AI company closer to delivering the biggest-ever listing.