• Anthropic has publicly filed its IPO registration, setting the stage for a potential blockbuster listing.
  • The AI company is targeting a valuation of approximately $1.5 trillion and hopes to raise over $100 billion, according to reports.
  • Investor marketing could begin as early as the week of November 9, with a mid-November listing targeted, though dates remain subject to change.

Public Filing Signals Major Step Toward Listing

Anthropic, the San Francisco-based artificial intelligence company behind the Claude family of AI models, has made its IPO registration statement public, marking a significant step toward what could be one of the largest public offerings in history. The move follows the company's confidential submission to the SEC on June 1.

The filing comes as Anthropic seeks to capitalize on its rapid revenue growth, which reached $16.8 billion in the third quarter of 2026, up 45% from the previous quarter. The company's 2025 revenue was nearly $4.6 billion, representing approximately twelvefold growth.

Valuation and Offering Size

Some prospective and existing investors have discussed a valuation of approximately $1.5 trillion, down from earlier expectations around $2 trillion, according to people familiar with the matter. Neither figure represents a finalized IPO valuation. Bankers have discussed raising more than $100 billion, according to reports, and Anthropic hopes to match or exceed SpaceX (SPCX)'s offering size from its June IPO.

Formal investor marketing could begin during the week of November 9, with a mid-November listing targeted, though sources emphasized that dates remain subject to change. Higher interest rates and a recent selloff in AI-related shares and bonds have made the listing environment less favorable, according to market observers.

Financial Performance and Challenges

While revenue growth has been exceptional, profitability remains a concern. Anthropic reported an operating loss of more than $8 billion in 2025, excluding certain liability writedowns, and a net loss of approximately $42 billion, which includes substantial accounting effects. The company was profitable on an adjusted basis in the third quarter of 2026, according to its investor presentation, though this does not confirm bottom-line profitability under standard accounting.

Anthropic faces significant future costs. September reporting described $518 billion in projected computing, cloud and infrastructure costs, while October reporting indicated potential capacity spending reaching $750 billion, including deals still under negotiation. These figures have different scopes and should not be treated as identical, fully contracted obligations.

Governance and Dependence on Partners

The draft prospectus concentrates oversight among the founders and warns that mission-driven decisions could conflict with shareholders' financial interests. Dario Amodei remains CEO, Daniela Amodei is president and board chair, and Krishna Rao is CFO. The current leadership page does not indicate any IPO-related replacement of those executives.

Sales through big-tech partners accounted for 47% of 2025 revenue, according to the draft prospectus reviewed by Reuters (TRI). Those partners can simultaneously be distributors, computing suppliers and competitors.

Industry and Regulatory Context

The offering would be a major test of whether public investors will finance frontier AI at enormous scale. Anthropic argues that AI could transform virtually every sector, but that is the company's investment thesis, not an established economic outcome. The company's own prospectus warns that large-scale AI could concentrate wealth and power and destabilize the geopolitical order.

Government relations are a material business risk. In September, President Donald Trump directed the government to stop working with Anthropic, and the Pentagon said it would designate the company a supply-chain risk, according to reports. That reporting establishes a serious dispute but does not by itself settle the current legal status or ultimate financial impact of those measures.

The immediate regulatory process is SEC review and disclosure. Anthropic's June announcement explicitly said that the offering depended on market conditions and other factors, and that share count and pricing had not been set. Public disclosure moves the process forward without guaranteeing that an offering will close.

What's Next

The decisive milestones are publication of the S-1, confirmation of offering terms, the investor roadshow and pricing. The most informative disclosures will concern standard-accounting profitability, computing obligations, customer concentration and shareholder voting rights. Current reports support a November target—not a guaranteed listing date, price or valuation.

Investors and analysts will be watching closely to see whether Anthropic's growth can translate into durable profits before computing commitments and competitive pressures absorb the gains. A successful offering could provide substantial financing for the company's expansion and establish a valuation benchmark for other AI developers. A postponement or sharply reduced valuation would instead signal that even exceptional revenue growth cannot fully offset financing costs and concerns about AI economics.

Clarification: An earlier version of this article misstated the timing of the public filing. The filing was made public on October 26, 2026.