Anthropic Stock Today (November 18, 2025): Microsoft–Nvidia $15 Billion Deal Puts Pre‑IPO AI Giant in the Spotlight
Microsoft and Nvidia will invest up to $15 billion in Anthropic, which remains privately held with no public ticker. Anthropic’s secondary-market share prices reached $185.90 on Forge and $221.55 on Hiive as of November 18. The company’s valuation now ranges from $200 billion to over $230 billion, up from $183 billion in September. Anthropic also announced major education and industrial AI partnerships.