Anthropic Files Public S-1 for Nasdaq IPO Under ANT Ticker, Targeting November Debut

Anthropic has published its Form S-1 registration statement with the U.S. Securities and Exchange Commission on October 26, 2026, formally kicking off its path to a Nasdaq public listing under the ticker symbol ANT. The move marks a watershed moment for the AI industry, as the Claude maker seeks to become the first major frontier AI company to reach public markets, positioning itself ahead of rival OpenAI and capitalizing on its recent explosive revenue growth.