Anthropic Files for IPO with $16.3B Revenue, $80.7B Loss, and Sweeping AI Risk Warnings

Anthropic, the San Francisco-based AI research company that developed the Claude model family, filed its initial public offering prospectus with the U.S. Securities and Exchange Commission on October 26, 2026, disclosing explosive revenue growth coupled with massive losses and extensive warnings about existential risks from artificial intelligence. The company plans to list its Class A common stock on the Nasdaq Global Select Market under the ticker symbol ANT, with an expected valuation between $1.5 trillion and $2 trillion.