How to Invest in OpenAI in 2025: All the Ways to Own a Stake in ChatGPT’s Creator
A secondary share sale in October 2025 valued OpenAI at $500 billion, making it the world’s most valuable startup. OpenAI remains private, with no public stock available. Microsoft, SoftBank, and NVIDIA hold major stakes, offering indirect exposure through their shares. The ARK Venture Fund also gives retail investors partial access to OpenAI’s growth.
