Anthropic, PBC filed a free writing prospectus on November 12, 2026, disclosing the November 10, 2026 launch of a UK Retail Offer for its Class A common stock as part of a global initial public offering, with applications accepted through RetailBook's public offer platform.

Key Highlights

  • Global offering size: Anthropic has launched a global offering of 825,000,000 shares of Class A common stock.
  • Estimated price range: Shares are priced in an estimated range of $70.00 to $78.00 per share.
  • Application deadline: The deadline for UK Retail Offer applications is November 18, 2026, with each Participating Intermediary setting its own closing time.
  • Listing application: Anthropic has applied to list its shares on the Nasdaq Global Select Market under the symbol "ANT".
  • Platform operator: RetailBook Limited, authorized and regulated by the FCA (Firm Reference Number 994238), is acting as public offer platform operator for the UK Retail Offer.
  • Currency options: Participating Intermediaries will accept orders from UK Retail Investors in either USD or GBP.
  • CDI structure: UK Retail Investors applying in pounds sterling will, unless otherwise informed, receive CREST depository interests representing rights to Class A common stock on a one-for-one basis, rather than the shares themselves.

Anthropic UK Retail Offer: Structure, Conditions, and Key Terms

According to the filing, the UK Retail Offer forms part of Anthropic's broader global offering of 825,000,000 shares of Class A common stock at an estimated price range of $70.00 to $78.00 per share. The offer is facilitated through RetailBook Limited acting as public offer platform operator under the rules of the UK Financial Conduct Authority. Only clients of Participating Intermediaries - brokers and investment platforms onboarded by RetailBook - are eligible to apply, and only those resident and physically located in the United Kingdom may participate.

The filing discloses that the UK Retail Offer is conditional on, among other things, the Registration Statement on Form S-1 (File No. 333-299633) becoming effective and the shares having been duly listed on the Nasdaq Global Select Market. According to the filing, "The UK Retail Offer will not be completed without the Global Offering also being completed." Applications may be made through several account types, including General Investment Accounts, ISAs, Lifetime ISAs, Junior ISAs, SIPPs, and Junior SIPPs, as the filing notes, subject to each Participating Intermediary's own terms.

The filing further discloses that investors applying in pounds sterling will generally receive CREST depository interests, described as "a separate instrument to the Shares, constituted under English" law, representing rights to Class A common stock on a one-for-one basis. The preliminary prospectus and a UK disclosure summary prepared by RetailBook are available on the UK Retail Offer Website at app.retailbook.com/offers/anthropic-ipo. Copies of the preliminary prospectus may also be obtained from Goldman Sachs and Co. LLC and Morgan Stanley and Co. LLC, as identified in the filing.

What Was Disclosed

Anthropic, PBC filed a free writing prospectus relating to its IPO, disclosing the November 10, 2026 launch of a UK Retail Offer at an estimated $70.00 to $78.00 per share price range, with an application deadline of November 18, 2026, facilitated through RetailBook Limited.