Anthropic Stock Today (November 18, 2025): Microsoft–Nvidia $15 Billion Deal Puts Pre‑IPO AI Giant in the Spotlight
Published: November 18, 2025 – Informational only, not investment advice. Anthropic, the privately held AI company behind the Claude family of models, is suddenly at the center of the global AI trade again today. A fresh multi‑billion‑dollar partnership with Microsoft and Nvidia, new education and industrial AI deals, and surging secondary‑market activity are reshaping how investors think about Anthropic stock—even though the company still has no public ticker. The Official Microsoft Blog+1 Below is a clear rundown of what changed today, how Anthropic’s private share price looks right now, and what it could mean for an eventual IPO. Key takeaways on Anthropic