CONFIDENTIAL-S1
filed
Confidential registration lead
Anthropic said on June 1, 2026 that it confidentially submitted a draft registration statement on Form S-1 to the SEC for a proposed IPO of common stock. Reuters reported the filing put Anthropic ahead of OpenAI in the current AI IPO race. TechCrunch added that the company had just raised $65 billion at a $965 billion post-money valuation, reinforcing the scale of the expected listing.
Anthropic confirmed a confidential S-1 submission on June 1, 2026. Third-party coverage frames the filing as a major AI IPO lead rather than a rumor, with no deal terms yet disclosed.
2026-06-01 · CONFIDENTIAL-97998A374DCE830A1231