The dates and numbers of the offering
In June I wrote about the first prospectus filing, when the private valuation was $965 billion. That article is here. Five months later we're on the last mile.
The roadshow, the series of investor presentations, started on November 10. The amended prospectus offers 825 million shares in a range of $70 to $78. According to press reports, the price will be set on Wednesday, November 18 and trading will start on Thursday the 19th, under the ticker ANT. The Financial Times reports demand is strong enough that bankers are considering pricing above the range.
Different valuation figures are circulating, and the reason is technical: it depends on which shares you count. On shares outstanding it is around one trillion, fully diluted between 1.3 and 1.45 trillion. Either way, much less than the two trillion floated in the summer.
There is also a separate $26 billion private placement with several large tech companies, including Google, which is both an investor in and a competitor of Anthropic.
Revenue, losses and an $895 billion commitment
The prospectus numbers tell a story of unprecedented growth and a company that spends almost everything it brings in.
In the first nine months of 2026 revenue was $33.2 billion. In all of 2025 it had been $4.6 billion. At the end of October the annualized run rate had reached $81 billion, ten more in a single month.
The nine-month operating loss is $1.3 billion, against $5.2 billion in the same period of 2025. The interesting detail is quarterly: in June Anthropic posted an operating profit of $974 million; in September it returned to a $536 million loss, due to a $5 billion charge for short-term compute capacity and $2 billion of non-cash charges tied to a donation program.
The biggest number, though, is another one: $895.4 billion in spending commitments, almost all for compute and infrastructure. $447.5 billion by 2030, $69.8 billion in the next twelve months. It's the bet everything rests on: that demand keeps growing enough to fill that capacity.
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What changes for Claude users
For a company that uses Claude, or is evaluating it, the listing brings three concrete changes.
The first is transparency. A listed company publishes audited quarterly accounts, discloses risks and answers public questions. Anyone who has to justify choosing an AI vendor to a board or a procurement office now has official documents to point to, not just press articles.
The second is commercial pressure. Shareholders want growth, and growth also comes through prices, plans and products. The last few weeks show it well: Fable 5.2, Claude Sheets, Claude Meetings, the manufacturing plugin, all in roadshow week. Expect a release pace that doesn't slow down.
The third is capacity. Nearly nine hundred billion of booked compute means less risk of tight usage limits and peak-hour queues, which have been a real problem in the past.
The tension between safety and the market
There's a passage in the prospectus worth reading, because it's rare to see it written by a company going public. Among its risk factors Anthropic lists the tension between safety investment and commercial pressure.
Anthropic is a public benefit corporation, a US corporate form that requires taking a public-interest purpose into account alongside profit. In September Dario Amodei called for slowing the race of frontier models, and in the same week as the roadshow the company released a model whose system card admits it is becoming harder to evaluate. I wrote about it in what the Mythos 5.2 system card says.
I don't think the listing changes Anthropic's priorities overnight. I do think it puts them under a stronger light, and for Claude users that's a good thing: safety choices become part of what the market values, not just a statement of principle.
What I'd do if you use Claude at work
Nothing drastic, and nothing immediate. A listing doesn't change existing contracts or how products work.
Three things I would do, though. Add Anthropic's public documents to your vendor assessment file: the prospectus and, from now on, the quarterly reports. They are the most solid source for questions about financial strength and continuity.
Review contracts with an eye on prices. Under shareholder pressure price lists can move in either direction, and a multi-year contract with locked prices is worth more today than six months ago.
And keep building so you can switch models without rewriting everything. Not out of distrust of Anthropic, but because in this market the rule applies to every vendor. For the plans and costs picture there's how much Claude costs for businesses and the comparison of Pro, Team and Enterprise.