Anthropic’s IPO Faces a Valuation Test and Market Timing Problem

Anthropic’s IPO has hit a valuation wall. Potential investors are questioning whether the AI company can begin its roadshow during the week of November 9, 2026, and still complete a November listing. Anthropic declined to comment on the doubts.

The roadshow was expected to start that week, with pricing scheduled for the following week. Investors are pressing for a more attractive valuation, and some now view the recently discussed $1.5 trillion figure as the upper end of what they will accept.

Anthropic may need to offer a bigger discount to secure commitments. If AI-related assets remain under pressure, the company could wait for a market more willing to absorb an offering that some expect could reach $100 billion.

The pressure marks a clear shift from earlier in 2026, when investors expected an October IPO seeking a valuation as high as $2 trillion. The issue now involves both price and timing—even an agreement between Anthropic and its investors may not settle whether the company proceeds by year-end.

The numbers behind the investor resistance

Anthropic’s November 2, 2026 amended registration statement remains preliminary. It reports $17.0 billion in revenue for the three months ended September 30, 2026, but leaves the number of shares, initial price range, final offering size, and final price blank.

Investors are also waiting for Anthropic’s October revenue figure, which the update left blank. Two people familiar with investor discussions said buyers want that number to judge whether growth has strengthened after a recent slowdown.

The valuation math gives investors a reason to be demanding. Against roughly $35.3 billion in revenue over the past four quarters, a $1.5 trillion to $2 trillion valuation would mean paying between $43 and $57 for every dollar of sales generated during the past 12 months.

Any valuation above about $1.41 trillion would ask buyers to pay more than $40 for every dollar of annual revenue. Jay Ritter, director of the University of Florida’s IPO Initiative, found that only 14 of the 4,110 IPOs held between 1980 through 2024 reached that price-to-sales level.

Those 14 offerings produced average returns 15.4% below the broader stock market, measured from their offer prices over holding periods of up to three years, although some companies outperformed. Each had at least $100 million in revenue during the 12 months before listing, adjusted for inflation to 2025 dollars.

Ritter said Anthropic has substantial upside potential, but “a lot of things have to go right” for revenue and profits to grow enough to support the proposed valuation. To justify a figure north of $1.4 trillion, he said, Anthropic needs a path toward at least $100 billion in annual after-tax profits—a level reached by only a handful of companies, including Alphabet, Nvidia, Apple, and Microsoft.

Strong growth meets expensive compute

Anthropic’s third-quarter figures contain real momentum, alongside a bill large enough to ruin the mood. Revenue rose nearly 47% from the previous quarter, but compute and infrastructure expenses climbed about 77% to $9.9 billion.

Roughly $5 billion of that compute spending came from purchasing short-term capacity. Anthropic typically orders compute 12 to 18 months ahead, but customer demand or research needs can exceed what it secured, forcing the company to buy more expensive capacity at short notice.

Those costs helped push the adjusted operating margin down to 15% from 19%. Tomasz Tunguz, founder and general partner of Theory Ventures, said higher compute costs would place increasing pressure on Anthropic’s margins, even though its implied gross margin remained a healthy 85%.

Gross margin measures the cost of serving customers. It excludes the much larger sums Anthropic spends training models and conducting research, which the company records as separate operating expenses.

Campbell Hutcheson, a senior researcher at Epoch AI, said paying more for compute can generate future revenue. Frontier models such as those Anthropic builds can command premium prices and improve the training and inference efficiency of other models, while reaching a capability threshold first can unlock growth—as happened with ChatGPT and Claude Code.

Hutcheson said Anthropic continued to show “very strong growth, high gross margins” while investing heavily in AI research. The company had about $131.8 billion in cash, cash equivalents, and short-term investments at September 30, and its operations generated $6.6 billion in cash during the first nine months of the year.

That liquidity gives Anthropic room to keep investing, and IPO proceeds would add more fuel. Tony Trzcinka, an investment-grade portfolio manager at Impax Asset Management, said the company’s existing obligations and interconnected relationships could limit its ability to borrow at the low interest rates available to investment-grade companies.

If Anthropic needs debt to fund compute capacity, Trzcinka said, that money will be expensive and will weigh on margins. He views the company’s liquidity as positive for bondholders but is watching for further spending commitments and borrowing under its revolving credit facility.

A market that has stopped handing out blank checks

The investor debate follows what has been described as the most severe technology-stock selloff in a year, alongside geopolitical uncertainty affecting new offerings. More than 50 S&P 1500 technology stocks fell at least 10% during the November 5 session, while Vanda Research said retail selling was the strongest since the COVID-19 pandemic.

Keith Lerner, chief investment officer at Truist Advisory Services, said technology had underperformed the S&P 500 by 10.7% over the preceding month—the most extreme one-month underperformance since May 2002. He described the selling as painful but still within normal market behavior.

Support for Anthropic has not vanished. Many investors remain bullish on AI infrastructure, some analysts expect strong retail demand, and Rick Meckler of Cherry Lane Investments said interest in major private technology companies should persist when they go public.

Aswath Damodaran’s October 28 valuation assumed annual revenue would reach $1 trillion by 2036, a 27.5% operating margin, and $100 billion in IPO proceeds. Those assumptions produced an equity value of about $1.475 trillion, which he described as the lower end of Anthropic’s $1.5 trillion to $2 trillion range.

Damodaran said the third-quarter figures gave him little reason to change that estimate, calling them “the most telegraphed 3rd quarter number of all time.” His warning was blunt: “If my intrinsic value changed significantly based on this news story, it would be neither intrinsic nor value, just a pricing chase.”

Anthropic still has a plausible path to a huge public offering. The question is whether investors will pay tomorrow’s price for growth that still depends on expensive infrastructure, ambitious profit targets, and a market that has suddenly remembered risk exists.

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