OpenAI makes IPO decision, but the timeline is muddy

The AIIPO window that Wall Street has been anticipating for two years is no longer theoretical. SpaceX priced its offering last week. Anthropic filed confidentially on June 1.

On June 8, OpenAI announced it had done the same, before the filing could leak.

The combined valuation of the three companies in that pipeline is now approximately $3.6 trillion. The back half of 2026 is about to become the first real test of whether public investors will pay the prices the private market has been setting for artificial intelligence.

What OpenAI said about its confidential IPO filing

OpenAI submitted a confidential S-1 to the US Securities and Exchange Commission on June 8, 2026. The company disclosed the filing proactively rather than waiting for it to surface through regulatory channels.

"We recently submitted a confidential S-1. We expect it to leak so we're just announcing it," OpenAI said in a statement on its website. "We have not decided on timing yet; it may be a while because there are things we want to do that are likely easier as a private company. But it's a complicated set of tradeoffs, and this gives us the option to go public sooner if that ends up being best."

Goldman Sachs, Morgan Stanley, and JPMorgan are advising on the process. OpenAI is targeting a public listing as early as September 2026.

The company was valued at approximately $852 billion in its most recent funding round in March, according to Bloomberg.

Why OpenAI filed after Anthropic

The sequence of filings is not coincidental. Anthropic submitted its own confidential S-1 on June 1, one week before OpenAI's announcement, at a valuation of $965 billion based on a recent funding round. OpenAI's filing came seven days later.

The two companies are direct competitors for enterprise AI contracts, developer adoption, and the same institutional investor base. If both complete IPOs in the second half of 2026, public market investors will have the rare opportunity to compare two frontier AI labs side by side using actual disclosed financial data for the first time.

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That simultaneous window could either validate the AI valuation framework that private markets have been operating on or expose it to the scrutiny that public investors typically apply to unprofitable high-growth companies, according to CNBC.

OpenAI became the third major AI developer to file confidentially, after SpaceX and Anthropic. The combined pipeline of the three companies now stands at approximately $3.6 trillion in private market valuations, according to Bloomberg.

What OpenAI's financials reveal about the economics of frontier AI

The filing will eventually require OpenAI to disclose revenue, margins, capital requirements, and risk factors publicly for the first time. What is already known from prior disclosures and analyst estimates tells a complicated story about the economics of building and operating frontier AI.

OpenAI generated $2 billion in monthly revenue as of March 2026, implying approximately $24 billion in annualized recurring revenue. The company also lost approximately $1.22 for every dollar it earned in its most recent quarter, reflecting the enormous cost of training, operating, and serving frontier AI models at scale, according to CNBC.

HSBC analysts estimate OpenAI may need more than $207 billion in additional capital by 2030 even under optimistic revenue projections. OpenAI has also renegotiated its revenue-share arrangement with Microsoft, capping total payments to Microsoft at $38 billion through 2030, down from a prior trajectory that would have been significantly higher, according to Bloomberg.

Key context on the broader AI listing pipeline:

• OpenAI's statement that "it may be a while" before going public is a deliberate hedge; the confidential S-1 process typically takes 60-90 days before a public prospectus is required, placing the earliest public filing window in late August or September 2026, giving OpenAI optionality on timing without committing to a specific date, according to CNBC
• The $852 billion OpenAI valuation from March 2026 compares with Anthropic at $965 billion and SpaceX at $1.75 trillion; the combined $3.6 trillion AI IPO pipeline is larger than the entire market capitalization of every company that went public in 2021, the previous record year for US IPO volume, according to Bloomberg
• Platforms including OKX and Injective have already launched perpetual futures contracts designed to track OpenAI's implied valuation, creating synthetic public exposure to a company that does not yet trade on any exchange; the existence of these instruments signals how much investor demand exists for direct AI exposure ahead of the IPO, according to CoinDesk
• Microsoft holds a significant equity stake in OpenAI through its multi-billion dollar investment; any IPO pricing will directly affect Microsoft's balance sheet and potentially its stock price, making the OpenAI listing one of the most consequential single events in Microsoft's recent history from a mark-to-market perspective, according to CNBC
• Bridgewater partner Greg Jensen reportedly told clients that OpenAI's implied 35x forward revenue multiple is "priced for a monopoly outcome that does not yet exist"; that framing captures the central investor debate , whether OpenAI's growth trajectory justifies a valuation built on assumptions about AI market dominance that have not yet been demonstrated in public financial statements, according to Bloomberg

What the OpenAI IPO filing means for AI investors

The significance of OpenAI's June 8 filing is not just about one company going public. It is about what happens when the private market valuations that have defined the AI boom since 2023 are forced to confront public investor scrutiny.

The loss-per-dollar figure is the number that will define the IPO debate. OpenAI losing $1.22 for every dollar it earns is not unusual for a company building foundational technology infrastructure.

Amazon lost money for years. So did many cloud companies. The question public investors will ask is whether OpenAI's revenue growth and competitive moat justify a path to profitability at an $852 billion valuation before competitors erode the margin structure.

For investors in Microsoft, Nvidia, and other companies deeply embedded in the OpenAI ecosystem, the IPO process itself will produce the most detailed public financial picture of the AI economy's largest pure-play yet.

Related: Elon Musk makes shocking admission about Sam Altman and OpenAI

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This story was originally published June 10, 2026 at 6:17 PM.