Anthropic’s push toward a mid-November IPO filing and listing is the central driver of trader sentiment on its closing market cap. The company reported $16.8 billion in Q3 2026 revenue, up 46 percent sequentially and adjusted profitable, building on a $965 billion private valuation from its May Series H round, yet earlier $2 trillion targets have cooled toward $1.5 trillion amid investor scrutiny of heavy losses and compute commitments exceeding $500 billion. Recent Claude model releases and enterprise adoption gains position it competitively against OpenAI, though analysts highlight risks from accounting charges and growth deceleration. The imminent S-1 release and roadshow will likely introduce fresh data on run-rate revenue near $65 billion and AI capability benchmarks that could shift implied probabilities.