Anthropic filed its Form S-1 prospectus with the U.S. Securities and Exchange Commission on Monday, disclosing rapid revenue growth, steep losses and risk factors ahead of a planned IPO. The filing says first-half revenue reached $16.3 billion, while a reported $80.7 billion net loss was largely due to valuation-related accounting charges.
WHO:Anthropic
WHAT:Anthropic filed its Form S-1 prospectus with the U.S. Securities and Exchange Commission.
WHEN:Oct 26, 2026
WHERE:United States
WHY:The filing was made ahead of Anthropic’s planned initial public offering.
Reporting from 21 identified publishers across this event arc.