According to the WSJ, SpaceX is launching a secondary share sale that would value Elon Musk’s rocket maker at $800 billion — double its recent $400 billion valuation and surpassing OpenAI to claim the title of America’s most valuable private company.

SpaceX has not responded to a request for comment; the Journal not did report on the scale of the offering.

The eye-popping figure reflects how routine mega-valuations have become within private markets. OpenAI stands at $500 billion, while Anthropic reportedly surged last month to $350 billion following major investments from Microsoft and Nvidia, up from $183 billion just months earlier.

These companies can now achieve public-market-scale valuations while remaining private, fueled by secondary sales that provide liquidity without the sc

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