Anthropic Confidentially Files for IPO at a $965B Valuation, Eyeing a Fall 2026 Debut
Read this because A confidential S-1 is an on-ramp, not a commitment. But filing the year it crossed a ~$50B run-rate reframes Anthropic from research lab to public-scale enterprise software vendor, racing OpenAI to the listing window.
Anthropic confidentially filed a draft S-1 with the SEC on June 1, 2026 at a $965B valuation, with revenue run-rate nearing $50B.