Anthropic Files for IPO: How Claude's $965 Billion Parent Just Triggered Wall Street's Most Audacious AI Public Offering Anthropic IPO 2026 reporting should be separated from verified financing facts. Anthropic officially announced a $65 billion Series H at a $965 billion post-money valuation and said its run-rate reven... AI Anthropic IPO Markets 01-Jun-2026 0 418