Anthropic’s Initial Public Offering

Anthropic filed for an initial public offering, disclosing Q3'26 revenue of $17.0 billion, more than 12x year-over-year, alongside a net loss of $23.3 billion that included a $21.9 billion non-cash charge tied to revaluing convertible notes, derivative liabilities and SAFEs. The AI developer, which positions itself as a public benefit corporation, reported more than 11,900 customers with at least $100,000 in trailing twelve-month revenue, also up over 12x, a 15% adjusted operating margin and a 4x compute efficiency gain since Q1'25. Its Claude models and Claude Code tool are embedded at customers including Eli Lilly, with 50,000-plus employees on Claude Enterprise, Rakuten, which runs 70-plus business units on AI, and Salesforce, where 99% of employees use Slackbot and API migration work that would have taken 231 days was completed in 13. The filing tests public-market appetite for a frontier AI lab whose top-line growth is outpacing its path to profitability, and the disclosed $21.9 billion non-cash charge complicates the headline loss figure. Investors will watch the roadshow for valuation, compute cost commitments and enterprise retention, plus how peers and rivals price their own listings against Anthropic's disclosed metrics.