Anthropic filed papers for an initial public offering, advancing its planned stock-market listing. The Financial Times describes a 335-page S-1 filing; the offering could be the biggest stock-market debut in history, and Engadget reports the company may be valued as high as $2 trillion.
WHO:Anthropic
WHAT:Anthropic filed papers for an initial public offering.
WHEN:Reported Oct 26, 2026 at 9:08 AM ET
WHERE:USA
WHY:The filing advances Anthropic's planned public offering.
Reporting from 14 identified publishers across this event arc.