Who will own OpenAI? According to a report by The Information, OpenAI is undergoing a restructuring to fundamentally change its ownership structure, moving from a nonprofit, limited-return model to a traditional corporate equity structure. The restructuring plan values OpenAI at $500 billion: Microsoft, as the largest outside shareholder, will acquire approximately 28% of the shares (valued at $140 billion); The nonprofit board of directors will acquire approximately 27% of the shares (valued at $135 billion);