No, SpaceX Has Not Conducted an IPO — Let Alone the Largest in History

The claim that SpaceX conducted the largest IPO in history is completely false — and not just wrong about the record. SpaceX has never held an IPO at all. As of 2025, it remains a privately held company, meaning its shares are not available on any public stock exchange.

The evidence here is straightforward. According to CNBC and SEC EDGAR records, SpaceX has filed no S-1 registration — the document any company must submit before going public in the United States. There is simply no IPO to evaluate. Elon Musk has repeatedly said he has no near-term plans to take SpaceX public.

What SpaceX has done is raise enormous sums through private funding rounds, pushing its valuation above $350 billion according to CNBC. That makes it one of the most valuable private companies ever — but private fundraising and a public IPO are entirely different things. No shares were sold to the general public.

As for the actual record, Reuters and Bloomberg both document that Saudi Aramco holds the title for the largest IPO in history, raising $25.6 billion when it listed in December 2019. Before that, Alibaba's 2014 IPO held the record at roughly $21.8 billion. SpaceX does not appear on any credible list of major IPOs because it has never conducted one.

To be fair to those who believe this claim, SpaceX's scale and dominance in the news can make it feel like a public company. But size and fame do not equal a stock listing. When you see claims about SpaceX's valuation milestones, those are private investment rounds — not public market events.

This kind of misinformation tends to stick because it mixes something true (SpaceX is enormously valuable) with something false (it went public). Watch for headlines that blur the line between private valuations and IPO records — they are not the same thing, and the difference matters.