Companies / OpenAI
Private company · Artificial Intelligence
OpenAI Stock — IPO Status & Public Alternatives
Maker of ChatGPT and GPT-4. Private capped-profit structure — Microsoft (MSFT) is the largest backer. The closest tradeable AI exposure.
Status
Private
Founded
2015
Founder
Sam Altman, Greg Brockman
Last reported valuation
$500B+ (2025 secondary tender)
§ Can you buy OpenAI stock?
No — not on any public exchange. Private capped-profit. No IPO planned — current structure makes a traditional IPO complex.
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