Anthropic Files Paperwork for Share Sale That Could Top $2 Trillion

Anthropic, PBC, filed its S-1 with the US Securities and Exchange Commission on October 26, 2026, after privately sending a draft on June 1. Reuters reported the IPO, the company's first sale of shares to the public, could value it at more than $2 trillion. An S-1 is the form companies file before selling shares to the public.