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Who Owns OpenAI? The AI Company's Ownership Structure Explained

Secondary article Untaylored
Published: 2026-03-01 Accessed: 2026-05-02
Original source ↗ Archived copy ↗

Summary

Explains OpenAI's hybrid structure involving a non-profit board governing a capped-profit subsidiary, Microsoft's 49% investment stake, and Sam Altman's lack of equity.

Key quotes

OpenAI operates under a unique hybrid structure combining a non-profit organization with a capped-profit subsidiary.
Microsoft holds a significant investment stake estimated at around 49% of the for-profit entity
CEO Sam Altman has publicly stated he holds no equity in the company

The article details the corporate evolution of OpenAI from a pure non-profit to a hybrid ‘capped-profit’ model to attract necessary capital for AI development. It describes the relationship between OpenAI Inc. and OpenAI LP.