Anthropic Files for IPO, Targeting November Debut with $1.5T Valuation

Anthropic, the AI safety company behind Claude, filed its registration statement with the Securities and Exchange Commission on October 26, 2026, setting the stage for a public debut in mid-November under the ticker symbol ANT. The filing reveals the scale of Claude's commercial momentum: the company generated $16.3 billion in revenue during the first half of 2026, with an annualized run rate exceeding $65 billion by July. The reported net loss of $80.7 billion over the same period largely reflects non-cash mark-to-market adjustments on convertible bonds rather than actual cash burn—once converted to equity at the IPO, these accounting swings should cease.