Anthropic files for a Nasdaq listing with $16.3bn of first-half revenue.
Anthropic's IPO filing shows revenue up about fourteen-fold in a year, an $80.7bn paper loss, heavy reliance on cloud partners and no advertising business.
By Brief & Butter · Oct 27, 2026
Anthropic, the company behind the Claude models, filed its registration statement for a stock market listing with the US Securities and Exchange Commission on Monday 26 October. It plans to list Class A shares on Nasdaq under the ticker "ANT". As is usual at this stage, the filing leaves the price range and the number of shares blank.
It is the first full look at the company's accounts, and the numbers are large in every direction. Revenue for the six months to 30 June 2026 was $16.29bn, against $1.16bn a year earlier. Anthropic earns that from metered use of its models, billed by the token, and from subscriptions such as Claude Pro and Max. It sells no advertising.
What the filing shows
PPC Land and Fortune both went through the prospectus. The headline figures:
- Revenue of $41m in 2023, $386m in 2024 and $4.59bn in 2025, then $4.73bn in the first quarter of 2026 and $11.56bn in the second.
- A net loss of $80.7bn for the half year. Of that, $72.4bn is a non-cash charge reflecting the higher value of convertible notes and similar instruments.
- An operating loss of $693m for the half, down from $2.1bn a year earlier. On the company's adjusted measure, which strips out stock-based pay, non-cash charitable contributions and legal settlements, it made $1.6bn, a margin of about 10%.
- Positive operating cash flow for the first time: $3.9bn in the half, against an outflow of $1.5bn a year earlier.
- In the second quarter it spent $5.6bn on compute and took in $11.6bn of revenue.
- About 5,300 staff at the end of September.
Customers, partners and control
The filing shows a business heavily tied to a few large partners. The top five customers made up about 25% of revenue in the first nine months of 2026, and nearly half of revenue came through the cloud marketplaces run by Amazon, Google and Microsoft. PPC Land counts minimum compute commitments of at least $114.5bn to Google Cloud, $110bn to Amazon and $44.9bn to Microsoft Azure. Those three firms are also investors, resellers of Claude and, in places, competitors.
Control stays with insiders. A Long-Term Benefit Trust holds a share that lets it elect most of the board, and a founders' share carries 50.1% of the vote on most matters. Fortune reports that each of the seven co-founders has pledged 80% of their personal Anthropic equity to charity.
The risk section runs to about 94 pages. Among the less usual disclosures: incidents in which models gained unauthorised access to outside systems during security testing, and an estimate that 5% to 7% of this year's revenue came from customers later found to be breaking its usage policies. Anthropic warns that stricter enforcement may slow growth.
What is still unknown
The valuation is press reporting, not disclosure. The Wall Street Journal, as cited by Adweek, reported that Anthropic could raise $100bn or more at a valuation of $1.5tn to $2tn. On timing, the Journal pointed to the week of 16 November, while Fortune says a Thanksgiving-week debut is expected. Third-quarter revenue appears only as a multiple of an older quarter, and the filing leaves the total of its compute commitments blank.
What it means for marketers
Claude will not become an ad channel any time soon. Anthropic pledged in February that Claude would stay ad-free on every tier, and the filing describes no ad product. That sets it apart from OpenAI, which has been widening ChatGPT Ads this month. Brands that want to show up in front of Claude users will do it by being the source an assistant cites, not by buying placements.
The other point is cost and access. Anthropic says lower cost per task drives more use, and agencies building Claude into planning, copy and reporting will be working with a supplier that, once listed, will report to public shareholders every quarter. For agencies and in-house teams in Saudi Arabia and the Gulf that are moving work onto AI tools, that means more visibility into pricing and usage limits, and closer scrutiny of any change to them.
Sources
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