Anthropic's Confidential IPO Filing Poised to Extend Record Year for U.S. Stock Offerings

Anthropic, the maker of the Claude family of AI models, is positioned to add to what is shaping up as the biggest year ever for U.S. equity offerings, with bankers actively urging more technology companies to sell stock while investor demand remains strong. The AI lab confidentially submitted a draft Form S-1 to the U.S. Securities and Exchange Commission on June 1, 2026, taking a key step toward a public listing whose timing will depend on market conditions and regulatory review.