BETA RELEASE

Who Owns OpenAI? Complete Ownership Breakdown (2026)

Secondary article AI Funding Tracker
Published: 2026-02-10 Accessed: 2026-05-02
Original source ↗ Archived copy ↗

Summary

Detailed breakdown of OpenAI's 2026 ownership structure following its October 2025 transition to a Public Benefit Corporation, including stakes held by Microsoft, the OpenAI Foundation, and employees.

Key quotes

Microsoft: 27% ($135 billion stake)
OpenAI Foundation (nonprofit): 26% ($130 billion stake)
Current and former employees: 25% ($125 billion)
Sam Altman, OpenAI’s CEO and co-founder, has publicly stated he holds zero equity in the company.

The article details OpenAI’s restructuring from a capped-profit model to a Public Benefit Corporation (PBC) in October 2025. It provides a valuation of $500 billion and outlines the governance relationship between the OpenAI Foundation and the for-profit entity.