Overview
- OpenAI filed confidential paperwork with the U.S. Securities and Exchange Commission in June as a formal first step toward an initial public offering.
- Multiple reports say the company is aiming for a $1 trillion or higher public valuation while its leadership debates whether to list in late 2026 or wait into 2027 to try to hit that price.
- Microsoft owns about a 26.8–27% stake in OpenAI that is currently valued in the low hundreds of billions and would rise to roughly $268–$270 billion at a $1 trillion valuation; an IPO would create a public price for that stake but would not immediately deliver cash to Microsoft.
- Market trading and prediction markets show growing confidence in a high-valuation debut possibly this year, but advisers and reporting also warn that holding out for $1 trillion could require more fundraising and risk dilution of current stakes.
- Watch for public SEC filings, any announced price range or sales, and Microsoft commentary about its technology rights and Azure commitments through 2032 because those disclosures will determine timing, dilution and how investors revalue Microsoft and the wider AI sector.