Company profile · AI
OpenAI
Premium$500B$6.6B of employee stock sold
About
OpenAI is the creator of ChatGPT and the GPT model family, and one of the most closely watched companies in the generative-AI boom.
Premium or discount?
OpenAI's $6.6B employee secondary sale in late 2025, backed by SoftBank and Thrive among others, priced at a $500B valuation — a premium mark that made it briefly the largest reported secondary transaction in the tracker until SpaceX and Stripe's later rounds.
Secondary deal history
| Date | Valuation | vs. last round | Source |
|---|---|---|---|
| Oct 2025 | $500B | Premium$6.6B of employee stock sold | Crunchbase News ↗ |
Frequently asked questions
Can I buy secondary shares in OpenAI?
Retail investors generally cannot buy shares directly. Access typically runs through accredited-investor marketplaces, employee tender programs, or funds that have already built a position — and is subject to the company’s transfer restrictions and rights of first refusal.
Why did OpenAI's valuation trade at a premium to its last round?
OpenAI's $6.6B employee secondary sale in late 2025, backed by SoftBank and Thrive among others, priced at a $500B valuation — a premium mark that made it briefly the largest reported secondary transaction in the tracker until SpaceX and Stripe's later rounds.
Is the valuation on this page an official company valuation?
No. Secondary marks reflect the price a buyer and seller agreed on in a specific transaction, not a valuation the company itself set. They are a useful demand signal, not an audited or company-endorsed figure.