OpenAI Just Took the First Step Toward Its IPO. Here's How to Invest in the Stock Now.

OpenAI confidentially filed its IPO registration with the SEC in June 2026, though the company indicated the actual IPO timing remains uncertain. Investors can gain exposure to OpenAI through Microsoft, which holds a 27% stake worth approximately $245 billion, or through the Robinhood Venture Fund I, a closed-end fund with significant OpenAI holdings.