Anthropic has officially filed to go public
$965B. Anthropic just filed to IPO as the world's most valuable startup—beating OpenAI by $113B.
Why it matters
Anthropic's SEC filing marks a watershed moment for AI company valuations and signals an inflection point in how capital markets are pricing frontier AI labs. This is the first major AI unicorn moving toward public markets, setting valuation and governance precedents for the entire sector.
The key facts
6 to knowAnthropic filed for IPO with SEC on Monday, June 1, 2026
Post-money valuation: $965 billion (as of recent fundraise)
Exceeds OpenAI's valuation by $113 billion ($852B post-money)
Anthropic is now called 'world's most valuable startup'
Used confidential draft registration statement filing process
Ends months of speculation on which AI lab would IPO first
Go to the source
The Verge AItheverge.com
Publisher excerpt: After months of speculation about whether OpenAI or Anthropic would be first in their race to IPO, Anthropic on Monday reached a key milestone: filing to kick off the process with the U.S. Securities and Exchange Commission. The filing sets the stage for what's sure to be a massive IPO. As of its…