What Happened

Oura, the Finnish smart ring maker, was set to price its IPO on Tuesday with an offering of 50 million shares at $40–$44 apiece — a deal that would have raised up to $2.2 billion at the top of the range. Instead, the company announced a postponement, citing "market uncertainty." CEO Tom Hale said the decision came despite strong demand and that Oura has "the luxury of choosing our moment." No new date has been set.

On the same day, Reuters reported details from Anthropic's IPO prospectus, offering the most granular look yet at the financial engine behind one of frontier AI's biggest players. Revenue reportedly climbed twelvefold to nearly $4.6 billion in 2025. The operating loss stood at $8.06 billion. The net loss was approximately $42 billion, though roughly $34 billion of that consisted of accounting charges tied to earlier financing rounds rather than cash burn.

The prospectus also outlined $518 billion in future cloud, computing, and infrastructure obligations — a figure that dwarfs the company's current revenue by more than 100x. Reuters reported that Anthropic's listing is likely to come after the November midterm elections, while The Wall Street Journal has suggested a debut as soon as October, raising up to $100 billion. OpenAI, which reportedly filed confidentially in June, is now targeting early 2027.

Other 2026 IPO candidates remain in the pipeline: Nvidia-backed AI cloud provider Nscale filed publicly this month, reporting $140.6 million in first-half revenue and a $1.02 billion net loss. Data center operator Switch has reportedly hired banks for an IPO that could raise as much as $10 billion, though timing remains uncertain.

Why It Matters

The Oura pullback and the Anthropic prospectus leak, landing on the same day, crystallize a central tension in the 2026 markets: the IPO window is real but narrow, and the cost structures of frontier AI are far from resolved.

Oura's decision is telling. This is not a company with weak demand — by its own account, demand was strong. The pullback signals that even well-positioned offerings are vulnerable to macro jitters and that pricing windows can shut with little warning. For any startup eyeing a 2026 or 2027 public debut, the message is to treat the window as a privilege, not a given.

Anthropic's numbers, meanwhile, are the most candid look yet at the economics of frontier AI at scale. Revenue of $4.6 billion is genuinely impressive — twelvefold growth year-over-year. But an $8 billion operating loss means the company is spending nearly $3 for every $1 it earns. And the $518 billion in future compute obligations is the real signal: Anthropic is making decade-long bets on infrastructure capacity that will require sustained, massive revenue growth to justify. Investors pricing this IPO are not buying a business — they're buying a thesis about whether AI demand compounds fast enough to outrun these commitments.

This also reframes the competitive dynamic with OpenAI. If Anthropic beats OpenAI to the public markets, it sets the benchmark for how investors value AI labs — and those valuations will be shaped by how the market interprets these loss profiles.

Who Is Affected

AI startups planning IPOs or large raises need to internalize that the window is narrow and closing. Oura had demand and still pulled. Stress-test your runway for delays.

GPU cloud and infrastructure providers are staring at a market where the largest AI labs are committing hundreds of billions in future spend. Nscale's own filing — with $140.6M in first-half revenue and a $1.02B net loss — shows that even infrastructure players are scaling faster than they're earning. Supply chains could tighten further.

Enterprise IT buyers evaluating AI vendor risk should understand that even the best-capitalized AI companies are operating at massive losses with enormous forward obligations. This isn't necessarily a red flag, but it means vendor lock-in and long-term pricing deserve careful negotiation.

Strategic Implications

For AI startup founders: If you're planning a 2026–2027 IPO or large raise, build in optionality for delays. Oura had strong demand and still postponed — pricing windows are narrow and unpredictable. Stress-test your runway for a 6–12 month delay and consider alternative financing (revenue-based, venture debt, or strategic partnerships) if public markets remain volatile.

For developers/operators building with AI APIs: Anthropic's $518B in future compute obligations signals long-term infrastructure commitment, which is likely positive for API availability and capacity scaling. However, the $8B operating loss means pricing pressure could intensify post-IPO as the company seeks margin improvement. Lock in favorable pricing now where possible.

For non-technical business owners evaluating AI tools: Even Anthropic at $4.6B revenue isn't profitable. This doesn't mean AI vendors are unstable, but it means the economics of frontier AI are still being worked out in real time. Negotiate vendor agreements with exit clauses and price caps, and diversify across providers where feasible.

What to Watch Next

Watch for Anthropic's official S-1 filing and pricing date — Reuters suggests post-midterm elections, but October is still in play per WSJ. Also monitor whether Oura refiles within Q4 2026 or pushes to 2027, and whether Nscale and Switch set trading dates. OpenAI's timeline slipping to early 2027 gives Anthropic a potential first-mover advantage in setting the public-market valuation benchmark for AI labs.

Frequently Asked Questions

Q: Why did Oura postpone its IPO?

A: Oura cited "market uncertainty" despite reporting strong demand for its offering. The company had planned to raise up to $2.2 billion by offering 50 million shares at $40–$44 each but has not set a new date.

Q: What does Anthropic's leaked prospectus reveal about its financials?

A: According to Reuters, Anthropic's 2025 revenue reached nearly $4.6 billion (up twelvefold year-over-year), but it posted an $8.06 billion operating loss and a ~$42 billion net loss (including ~$34 billion in accounting charges from prior financing). The company also disclosed $518 billion in future cloud, computing, and infrastructure obligations.

Q: When will Anthropic and OpenAI go public?

A: Anthropic could debut as soon as October 2026 and raise up to $100 billion, though Reuters suggests a listing after the November midterms. OpenAI reportedly filed confidentially in June and is now targeting early 2027.