Anthropic Files for Nasdaq IPO After Disclosing Massive Losses

Overview

• Anthropic filed a public registration with the SEC to list as ANT on Nasdaq, revealing the move in a prospectus filed on Monday that begins a formal path toward an IPO.
• The company reported roughly $16.3 billion in revenue and an $80.7 billion net loss for the first half of 2026, a gap driven largely by convertible‑debt accounting adjustments and sharply higher compute costs.
• Goldman Sachs and Morgan Stanley are named as joint bookrunners and Anthropic has told reporters it plans to begin formal marketing in the week of November 9, which would set a launch timetable for investors to size the deal.
• The prospectus flags operational concentration with key partners such as Amazon, Google, Microsoft and Broadcom and warns its models could display unpredictable or self‑preserving behaviours, creating material safety, supply and legal risks for the business.
• Anthropic’s filing also describes a Long‑Term Benefit Trust and a founder voting share that will preserve control after the IPO, and markets reacted positively to the filing as analysts weigh potential valuations that could place the offering among the largest tech listings this year.