Anthropic Files Confidential S-1 for Fall IPO at $965B Valuation

U.S. AI company Anthropic (PBC) announced on June 1, 2026 that it had confidentially submitted a draft registration statement on Form S-1 to the U.S. Securities and Exchange Commission (SEC) for an initial public offering. A recently completed funding round pushed its valuation to roughly $965 billion, giving the company the option to go public as soon as fall 2026, depending on market conditions.