As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a limited partnership...

https://nova-wiki.win/index.php/Why_You_Can%E2%80%99t_Add_Amazon_5_Percent_and_SoftBank_13_Percent_Together

As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a limited partnership established to develop and deploy AI technologies