OpenAI Current · Verified less than 14 days ago · Last verified: Oct 19, 2026

OpenAI: $920.0B valuation, IPO Readiness 87, Public. Filed S-1 with the SEC on September 2026 — IPO actively in progress. Track live on The IPO Stack.

PublicArtificial Intelligencepublic
87
/100
IPO Readiness Score
Grade A — High IPO Readiness
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
Track OpenAI →

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.

Valuation
$920.0B
Total Funding
$75.4B
Stage
Public
Sector
Artificial Intelligence
Headquarters
San Francisco, CA
CEO
Sam Altman
IPO Status
public

Funding History

October 2026
Series G
$10.0B
May 2026
Strategic Round
$10.0B
March 2026
Series H
$40B
March 2025
Convertible Note
$6.5B
October 2024
Series C
$6.6B
January 2023
Series B
$300M
July 2019
Investment
$1B
December 2015
Initial Pledge
$1B
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Track OpenAI IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is OpenAI going public? +

OpenAI is already a public company.

What is OpenAI's current valuation? +

OpenAI is valued at $920.0B as of April 2026. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in OpenAI before IPO? +

OpenAI is already a public company. You can invest by purchasing shares on public stock exchanges.

What is OpenAI's IPO Readiness Score? +

OpenAI scores 87/100 (Grade: A) 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.

Has OpenAI filed for an IPO? +

Yes — OpenAI filed an S-1 registration statement with the SEC on September 4, 2026, indicating an active IPO process.

How much total funding has OpenAI raised? +

OpenAI has raised $75.4B in total venture capital and private equity funding, with backing from SoftBank Vision Fund, Amazon, Nvidia.

Who are OpenAI's key investors? +

OpenAI's notable investors include SoftBank Vision Fund, Amazon, Nvidia, SoftBank, Thrive Capital. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is OpenAI in? +

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.

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