Anthropic Confidentially Files S-1 IPO Prospectus with SEC at ~$965B Valuation
Anthropic
Anthropic confidentially submitted a draft S-1 registration statement to the SEC on June 1, 2026, initiating the IPO review process. The filing follows a $65B Series H that lifted the post-money valuation to ~$965B; the company's revenue run-rate hit approximately $47B in May 2026, up from ~$10B the prior year. An October 2026 public listing is being targeted, with law firm Wilson Sonsini engaged.
Why it matters
At ~$965B, Anthropic's IPO would be the largest AI tech listing in history, placing it just below Apple in market cap territory and signaling that the AI infrastructure build-out cycle is mature enough for public equity markets.
Importance: 4/5
Historic IPO milestone for frontier AI; multiple independent media confirmations including Bloomberg and CNBC.
Sources
official
Anthropic News — Anthropic