ChatGPT-Maker OpenAI Is Headed for a $1 Trillion IPO. The Biggest Winner Could Be Microsoft Stock.
Key Points Microsoft holds a roughly 27% stake in OpenAI, valued at about $135 billion when the deal was struck. OpenAI confirmed a confidential IPO filing in June and is reportedly leaning toward a 2027 listing at a $1 trillion valuation. Microsoft trades nearly 30% below its 52-week high despite growing revenue 18% last quarter. ...












