OpenAI has submitted a confidential IPO filing, but the ChatGPT maker says it has not decided on timing or disclosed deal terms. OpenAI has started the formal process that could lead to an initial ...

MSFT holds a 27% OpenAI stake worth ~$135 billion but trades 14% below the $561 analyst consensus, making it the top public IPO proxy. OpenAI burns $2.20 per $1 earned, and Polymarket traders give ...

The disclosures arrive through mandatory reporting windows that allow lawmakers' securities transactions to become public weeks after execution under federal filing rules.

OpenAI, the company behind ChatGPT, has joined the race between the three tech giants set to list in 2026, each tipped for a landmark initial public offering (IPO). One week after Anthropic filed its ...