Anthropic Files for IPO at $965 Billion Valuation With $16.8 Billion Quarterly Revenue

Anthropic filed its S-1 registration with the U.S. Securities and Exchange Commission on October 26, 2026, seeking a Nasdaq listing under the ticker "ANT" after explosive financial growth that has outpaced rival OpenAI in enterprise spending. The AI safety company disclosed cumulative capital raised of $141.1 billion, with its most recent Series H funding round in May 2026 valuing the company at $965 billion at a $65 billion raise.