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Anthropic files for IPO, disclosing rapid growth and steep AI-risk warnings

Anthropic filed for a Nasdaq IPO under ticker ANT, disclosing $16.3bn first-half revenue and an $80.7bn net loss as CEO Dario Amodei warns of AI risk.

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THE ESSENTIALS

What you need to know

Anthropic filed S-1 papers for a Nasdaq IPO under ticker ANT, disclosing first-half 2026 revenue of $16.3 billion and a net loss of $80.7 billion. Reports put a possible valuation at $1.5 trillion to $2 trillion. The filing lists catastrophic and existential AI risks.

  • Anthropic filed a Form S-1 with the SEC on Monday, planning a Nasdaq listing under ticker ANT.
  • First-half 2026 revenue was $16.3 billion, up from $1.2 billion a year earlier, per the filing.
  • Net loss for that period was $80.7 billion, against $13 billion a year earlier.
  • Reports suggest a valuation of $1.5 trillion to $2 trillion, though terms are undisclosed.
  • The seven co-founders will control 50.1% of shareholder votes through a Founder LLC.

Filing details and scale

Anthropic filed public registration paperwork with the SEC on Monday for an initial public offering, planning to list on the Nasdaq Global Select Market under the ticker ANT. The company has not disclosed how many shares it will offer or a proposed price range.

The filing shows first-half 2026 revenue of $16.3 billion, up from $1.2 billion a year earlier. TechCrunch reported an operating loss of $693 million, improved from $2.1 billion in the prior-year period, while the net loss reached $80.7 billion, largely from noncash convertible-debt adjustments. Reports have suggested a valuation between $1.5 trillion and $2 trillion and proceeds as high as $100 billion, though none of those figures is confirmed in the filing.

Governance and AI-safety warnings

The seven co-founders, including CEO Dario Amodei and president Daniela Amodei, will hold 50.1% of shareholder voting power through a Founder LLC, a structure Anthropic says preserves its safety mission. An independent Long-Term Benefit Trust can appoint most board members.

The prospectus carries a risk-factor section of nearly 100 pages warning that the company's models could pose catastrophic or existential risks to humanity, including misuse by malicious actors. Amodei has separately called for slowing frontier AI development to allow safety measures to catch up. Anthropic also remains in litigation with the Pentagon over a supply chain risk designation.

What did Anthropic's IPO filing disclose about its finances?

The filing reported first-half 2026 revenue of $16.3 billion, up from $1.2 billion a year earlier, and a net loss of $80.7 billion, versus $13 billion previously. Terms such as share count and price were not disclosed.

Sources & context

Source report dated 26 Oct 2026. Publication dates and event dates may differ.

  1. Anthropic files for potentially the biggest IPO ever as CEO warns of AI's existential risk to humanity ↗PBS
  2. Anthropic officially files for its public debut ↗TechCrunch
  3. AI giant Anthropic files for an IPO that could break records ↗NPR