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Anthropic’s $1.5 trillion IPO in doubt as AI sell-off spooks investors
Anthropic’s planned stock market listing, potentially valued at $1.5 trillion, may be delayed or priced lower after a sharp technology share sell-off unsettled prospective investors. The uncertainty matters because the debut could be one of the largest IPOs in history, but investors are questioning whether the company’s growth justifies such a high valuation amid rising costs and market volatility.
Three investors considering taking part reportedly favour a lower price, with one suggesting a valuation closer to $1 trillion. Anthropic was valued at $965 billion in May and reported revenue of more than $33 billion in the first nine months of 2026, though growth slowed between the second and third quarters. Its prospectus lists more than $800 billion in computing and infrastructure commitments over the coming decades; investors are also waiting for October revenue figures that were omitted from an updated filing.
In short
- Investors are questioning Anthropic’s proposed $1.5 trillion IPO valuation.
- A postponement or lower price is possible.
- Revenue growth, infrastructure costs and market conditions are under scrutiny.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
A $1.5 trillion valuation could be justified if Anthropic’s rapid revenue growth and position in a fast expanding AI market translate into durable earnings and investor demand. Pricing the IPO ambitiously could recognise its long-term potential and give the company capital to meet substantial computing and infrastructure needs.
The case against
A lower valuation or delayed listing could protect investors from paying for growth that may not prove sustainable: revenue growth has slowed, infrastructure commitments exceed $800 billion, and the market has become more volatile. Waiting for clearer revenue figures may help investors assess whether the company’s prospects support such an exceptional price.
Explained simply
Anthropic is a US technology company that develops artificial intelligence systems, including the Claude chatbot. A stock market listing, or IPO, is when a private company first sells shares to the public, allowing it to raise money and giving investors a chance to buy a stake.
Investors judge a company’s value partly by its expected growth and costs. Anthropic has reported substantial revenue, but its growth slowed between the second and third quarters of 2026, while its prospectus sets out more than $800 billion in computing and infrastructure commitments over the coming decades.
A listing on the scale being discussed would rank among the largest IPOs, so its valuation could influence expectations for other AI companies. The debate reflects a broader question facing investors: how much future growth can justify the cost of building and running advanced AI systems.
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