OpenAI, the company behind ChatGPT, filed a confidential draft S-1 registration statement with the U.S. Securities and Exchange Commission (SEC) on Monday, positioning itself for a potential public offering that could rank among the largest in market history.
Key Takeaways:
OpenAI filed a confidential S-1 with the SEC on June 8, 2026, at an $852 billion post-money valuation with no confirmed IPO date.The filing follows Anthropic’s June 1 confidential S-1 and a May 2026 jury win clearing OpenAI’s Public Benefit Corporation restructuring.Goldman Sachs and Morgan Stanley are lined up as underwriters, with a September 2026 debut reported but not confirmed by OpenAI.The move came one week after Anthropic filed its own confidential S-1 on June 1, 2026, making the two dominant U.S. AI developers simultaneously moving toward public markets.
Path to This PointIn March 2026, OpenAI closed a $122 billion funding round at an $852 billion post-money valuation. Participants included Softbank, Amazon, Nvidia, and Microsoft. Cumulative private funding now exceeds $170 billion.
Revenue and Burn RateOpenAI is generating roughly $2 billion per month in revenue, with approximately $13.1 billion in revenue reported for the prior year. ChatGPT claims more than 900 million weekly active users and around 50 million paying consumer subscribers.
The company is not profitable. It continues to burn capital at a high rate due to compute infrastructure, data centers, and model training costs. Analysts project heavy losses continuing for the foreseeable future, with free-cash-flow breakeven potentially years away.
IPO Mechanics and TimelineEarlier reports had pointed to a possible September 2026 debut, but OpenAI’s statement leaves that window open rather than confirmed.
Competitive ContextOpenAI faces competition from Google’s Gemini, Elon Musk’s xAI, Meta, and a growing field of Chinese AI developers. Public investors will scrutinize margins, infrastructure costs, and the long-term economics of building and operating frontier AI models at scale.
OpenAI’s ‘Built to Benefit Everyone’ Manifesto What Investors Should WatchThe public S-1, once filed, will disclose audited financials, detailed risk factors, and ownership structure. That document will be the first time investors can assess OpenAI’s books with regulatory-grade transparency. Until then, the company remains on a confidential track with no committed listing date.


















