How much is Anthropic worth? Depending on which headline you read on November 10, 2026, the answer was $1.02 trillion, $1.3 trillion or $1.4 trillion. All three come from the same document: an updated filing in which the maker of the Claude AI models set its Anthropic IPO price range at $70 to $78 per share, and launched its roadshow, the series of investor meetings held before shares are priced.
Here’s what the terms say, why the valuations differ, and what you’d actually get as a buyer.
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If you’re new to this, an IPO, or initial public offering, is when a private company sells shares on a stock exchange for the first time. Anthropic plans to list on the Nasdaq under the ticker ANT. The price range is the company’s opening offer to big investors. The final price can still land inside it, above it, or below it.
The numbers below come from Anthropic’s amended registration statement, filed with the US Securities and Exchange Commission (SEC) on November 10, and its own roadshow announcement:
The private sale is unusual. Seven companies, AMD, Broadcom, Google, Micron, Microsoft, Nvidia and TSMC Partners, have agreed to buy $26 billion of non-voting shares at whatever price the IPO sets. Most of them sell Anthropic the chips, memory or cloud computing it runs on. That gives the deal a built-in base of demand, but it also ties Anthropic even more closely to its suppliers.
Add the two together, and the total raise reaches about $90.4 billion at the top of the range. That would edge past the roughly $86 billion SpaceX raised in June, which Anthropic had reportedly hoped to match or beat. On the public offering alone, though, Anthropic would raise less than SpaceX did.
Reports citing people familiar with the deal say pricing is expected on November 18, with trading on November 19. Anthropic hasn’t confirmed those dates, so treat them as likely, not fixed.
A company’s valuation, or market value, is its share price multiplied by its number of shares. The disagreement is about which shares to count.
First row: our math from the filing’s post-offering share count. The $1.4 trillion figure implies about 18 billion fully diluted shares at $78, by our math.
The $1.02 trillion figure counts only shares that will exist right after the IPO. The $1.4 trillion figure also counts shares Anthropic has promised but not yet issued, mainly stock awards for employees. That’s roughly 5 billion extra shares, by our math, which is why the gap is so big.
Our view: the fully diluted number is the fairer one for judging what you’d pay for a slice of the company, because those extra shares will eventually exist and dilute everyone else. The smaller number is the more accurate headline for what the market will show on day one.
A few weeks ago, reports said Anthropic could seek a valuation of up to $2 trillion. The range lands well below that. One way to compare is the price-to-sales ratio: how many dollars investors pay for each dollar of yearly revenue.
Anthropic reported about $17.0 billion of revenue for the three months to September 30. Multiplied by four, that’s roughly $67.8 billion a year at its current pace. Here’s how the valuations compare, by our math:
Even the lowest of these is a high multiple for most companies. But it’s a big step down from the $2 trillion talk, and at the top of the range on shares outstanding, the price is only about 6% above the $965 billion valuation from Anthropic’s private funding round in May, by our math. The debate over a $2 trillion price tag was always about whether growth could justify it.
This range suggests the banks found a lower number easier to sell.
The timing doesn’t help. Investors have been questioning how long the AI spending boom can last, and AI stocks have cooled this autumn. Anthropic’s own filings show why. Its Q3 revenue grew about 12x from a year earlier, but the quarter also swung to an operating loss as short-term computing costs jumped.
This is the part most coverage skips. Anthropic has five classes of stock, and the shares sold to the public carry the least control of any voting class.
In plain terms, public shareholders get a share of the profits, if any, but very little say. With 50.1% of the general vote in the founders’ hands and the board majority picked by the trust, Class A holders can’t outvote either group. This structure makes Anthropic a “controlled company” under Nasdaq rules.
Anthropic is also a public benefit corporation, a for-profit company legally required to weigh a stated mission alongside profits. Its filing warns that AI systems could pose “catastrophic or existential risk to humanity.” That’s an unusual line for an IPO document, and it explains why the founders built so many layers of control.
Anthropic says it will use the money for general purposes, including computing infrastructure, hiring and possible acquisitions. The bigger context is its spending commitments. The filing shows about $900.9 billion in committed computing and infrastructure spending, with about $70.7 billion due within 12 months of September 30.
At the midpoint price of $74, Anthropic estimates net proceeds of about $84.6 billion, including the private sale. By our math, that’s about 1.2 times the bill due over the next year. The IPO doesn’t fund Anthropic’s long-term plans on its own, but it gives it a cushion for the next year of commitments.
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