OpenAI Reportedly Weighs Citigroup and JPMorgan for IPO Banking Lineup

According to the report, OpenAI discussed IPO participation with Citi and JPMorgan, with listing preparations possibly starting in September as prediction market odds pointed to higher chances by year-end.

29d ago

Fact Check

Bloomberg's May 29, 2026 report directly supports that OpenAI discussed IPO participation with Citigroup and JPMorgan. Multiple secondary outlets (Stocktwits/Yahoo, CryptoBriefing) corroborate the bank lineup and a September 2026 listing target. Polymarket odds align with the claim's reference to prediction markets indicating higher chances by year-end. The only minor nuance: 'listing preparations possibly starting in September' is slightly inaccurate—September is the targeted listing month, with confidential filing expected within weeks of the report—but the core claim is well supported.

Summary

OpenAI reportedly discussed participation in a potential upcoming IPO with Citi and JPMorgan, adding to earlier reports that Goldman Sachs and Morgan Stanley were assisting with confidential IPO filing preparations. The new report says listing preparations could begin as early as September, providing a more defined possible timeline than previously disclosed. On Polymarket, odds of an OpenAI listing stood at 29% by the end of September and 70% by year-end, reflecting elevated market expectations, though no formal IPO, valuation, deal size, underwriting mandates, or listing venue were confirmed.

Terms & Concepts

IPO (initial public offering): A company’s first sale of shares to public investors on a stock exchange.