OpenAI: $920.0B valuation, IPO Readiness 81, Public. Filed S-1 with the SEC on September 2026 — IPO actively in progress. Track live on The IPO Stack.
OpenAI is valued at $920B — the world's most valuable AI company, backed by over $65B in funding. The company recently restructured as a Public Benefit Corporation to support its mission of developing safe AGI.
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Top companies most likely to IPO in 2026, ranked by IPO Readiness Score.
Track OpenAI IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.
OpenAI is already a public company.
OpenAI is valued at $920.0B as of April 2026. This valuation is based on its most recent private funding round tracked by TechStackIPO.
OpenAI is already a public company. You can invest by purchasing shares on public stock exchanges.
OpenAI scores 81/100 (Grade: B) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.
Yes — OpenAI filed an S-1 registration statement with the SEC on September 4, 2026, indicating an active IPO process.
OpenAI has raised $65.4B in total venture capital and private equity funding, with backing from Sam Altman, Elon Musk, Reid Hoffman.
OpenAI's notable investors include Sam Altman, Elon Musk, Reid Hoffman, Microsoft, Thrive Capital. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.
OpenAI is a Artificial Intelligence company. OpenAI is valued at $920B — the world's most valuable AI company, backed by over $65B in funding. The company recently r.