Anthropic’s IPO could become the AI industry’s biggest stress test yet

Anthropic, the company behind the Claude family of AI models, is preparing for what could be one of the most consequential public offerings in tech history. The company filed a confidential draft registration with the SEC on June 1, 2026, and is targeting a listing in November 2026. Valuation estimates for the offering range from $1.5 trillion to $2 trillion. The numbers behind the pitch Anthropic has scheduled pre-IPO updates for select institutional investors, and marketing for the deal could begin as soon as the week of November 9. Third-quarter 2026 revenue hit $16.8 billion, up approximately 46% from second-quarter revenue of $11.5–11.6 billion. The annualized revenue run-rate topped $65 billion by mid-2026. Projections put it above $100 billion by year-end. Anthropic reported a $42 billion net loss for 2025, a figure that includes substantial non-cash items. The company also faces commitments exceeding $518 billion for compute and infrastructure. From private darling to public test case Anthropic’s private valuation has climbed rapidly. The company was valued at $380 billion in February 2026. By May 2026, following a $65 billion Series H round, that number stood at $965 billi...