Anthropic Confidentially Files S-1: Possibly the Largest IPO in AI History, with a Target Valuation of About $965B

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On June 1, 2026, Anthropic officially announced it had confidentially submitted a draft S-1 to the U.S. SEC, retaining the option to pursue an IPO after review. Multiple foreign outlets reported a target valuation of about $965 billion, which if it happens could become the highest-valued IPO in the AI field; but the number of shares and the offering price aren't yet determined.

The Official Word Is "Retaining the Option," Not "Confirmed to List"

On June 1, Anthropic announced on its website and official X account (@AnthropicAI) that it had confidentially submitted a draft Form S-1 registration statement to the U.S. Securities and Exchange Commission (SEC). The official wording is careful: after the SEC's review is complete, this "gives the company the option to pursue an IPO"—it's retaining the choice to list, not settling on listing. The announcement was made pursuant to Rule 135 of the Securities Act and does not itself constitute an offer to sell or a solicitation to buy.

The $965 Billion Figure Comes from the Media, Not the Company

The official announcement makes no mention of a valuation. The target of about $965 billion is from reports by outlets like CNBC and Yahoo Finance; if it truly materializes, it would set a new valuation record for AI-field IPOs, pushing Anthropic to the doorstep of the "trillion club." But be clear about the distinction: this figure isn't in the official filing, and the number of shares and the price aren't set yet, so whether it ultimately happens still depends on market conditions and the SEC's review progress.

A Reminder

Amid the widespread anxiety of "Scaling Law hitting a wall and model capabilities converging," the leading companies are instead accelerating toward the public markets—plainly put, to raise money and stake out position ahead for the long chain of compute, power, and data. The valuation heat of the primary market and a product's actual value are two different things, and for selection it's still best to return to model capability, cost, and stability themselves. Refer to the formal disclosures of Anthropic and the SEC for subsequent valuation, fundraising scale, and timeline.

via: Anthropic Official Announcement