Anthropic’s IPO Tests AI’s Trillion-Dollar Ambitions

Anthropic is taking its IPO to investors. The Claude maker has launched a roadshow for a proposed listing that could value the company at approximately $1.4 trillion on a fully diluted basis. It plans to sell 825 million shares of Class A common stock for $70 to $78 each, with trading on the Nasdaq Global Select Market under the ticker ANT.

At the top of that range, the public offering could raise $64.4 billion. That would make Anthropic’s IPO larger than the $75 billion initially raised by SpaceX in June, although Elon Musk’s rocket company ultimately sold more than $85 billion worth of shares.

The comparison is less about space hardware than financial appetite. Anthropic is asking public markets to assign a valuation normally associated with companies that have already become infrastructure — while its own filing shows an operating loss in the latest quarter. Investors, as ever, are being invited to admire the future before it sends the invoice.

A huge raise with several moving parts

Anthropic is selling 801.35 million shares, while existing shareholders are selling the remaining 23.65 million. The company will not receive proceeds from those secondary sales, and it has proposed a 30-day underwriters’ option to purchase another 123.75 million shares.

The IPO is only one part of the financing plan. Anthropic is also expected to raise $26 billion through a private placement involving institutional investors, with seven strategic partners agreeing to buy non-voting stock at the IPO price.

Google, NVIDIA, AMD, and Broadcom are among the investors tied to the transactions. Combined with the IPO, the financing could generate up to $90.4 billion; another filing described the total as around $90 billion, depending on how the deals are counted.

The roadshow follows regulatory filings with the US Securities and Exchange Commission. Anthropic initially filed its Form S-1 registration statement on October 26 and later submitted an amendment, putting the company’s financial growth, spending commitments, and risks in public view.

Revenue is surging, but so are the obligations

Anthropic reported revenue of $33.2 billion for the nine months ended September 30, up from $2.5 billion during the corresponding period last year. That represents more than 13x growth, while third-quarter revenue reached approximately $17 billion, compared with $1.4 billion in the same quarter last year.

The company’s annualized revenue run rate reached about $81 billion at the end of October, up from roughly $71 billion in late September. It also reported more than 11,900 customers generating at least $100,000 in annual recurring revenue, giving investors a customer base measured in enterprise contracts rather than chatbot curiosity.

Profitability remains less polished. Anthropic recorded an operating loss of $567 million in the third quarter, reversing the $974 million operating profit reported in the second quarter.

Its infrastructure commitments are larger still. Anthropic has approximately $900 billion in aggregate committed spending on compute infrastructure and related agreements, with around $70.7 billion due within the next 12 months.

That spending helps explain the scale of the capital raise, but it also gives public investors a direct stake in the economics of frontier AI. Revenue can grow at extraordinary speed and still fail to cover the cost of building and running the systems that produce it.

The amended filing also carries a warning about recursive self-improvement. Anthropic said internal estimates indicate future models “may imminently meet” the Responsible Scaling Policy’s definition of “dramatically accelerated progress attributable to AI,” a threshold defined as roughly a doubling in the pace of AI progress driven substantially by AI automating research.

The company said no current model has crossed that threshold. It is considering policy changes “to keep humans in control of frontier model development,” while warning that using AI to build more capable AI “could also pose a considerable safety risk, particularly if it sharply accelerates the pace of progress.”

That combination — explosive revenue growth, enormous infrastructure obligations, steep losses, and warnings about AI advancing AI — is what investors will be weighing during the roadshow. Anthropic’s proposed Nasdaq debut under ANT is not just another technology IPO; it is a public test of whether markets will fund the next phase of frontier-model development at trillion-dollar expectations.

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