By Alex Sirois
Publication Date: 2026-10-02 13:45:00
Microsoft holds a stake in OpenAI that no public market has ever priced, and one investor argues that gap between the stock and the business is exactly where the opportunity lives.
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I keep buying Microsoft (NASDAQ:MSFT | MSFT Price Prediction), and every quarter gives me another reason to add more. The reason I bring up most at dinner is OpenAI. Microsoft owns roughly 27% of the company behind ChatGPT. That stake was valued at approximately $135 billion when the partnership was restructured. One day the stake will get a public price, and I want my shares in place before then.
Paper Value Wall Street Still Can’t Price
OpenAI is reportedly aiming a valuation of about $1.2 trillion, and its listing now points toward 2027. If OpenAI lists near that figure, a 27% stake would be worth about $324 billion on paper before dilution. That equals…