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SpaceX, OpenAI valuations would mean they leapfrog Berkshire Hathaway on first day of trading

Posted on May 21, 2026
By CNBC
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1 min read

SpaceX, OpenAI valuations would mean they leapfrog Berkshire Hathaway on first day of trading

Traders on prediction market Polymarket think SpaceX, OpenAI and Anthropic on their first day of trading will surpass valuations of at least $1.4 trillion.