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Last updated Saturday, November 7, 2026 — 3:30 AM EST
Prospective investors have pushed Anthropic to lower the roughly $1.5 trillion valuation it is preparing for a November listing, with some floating $1.2 trillion or less, and the roadshow may slip.
Cursor confirmed that tampered versions of Anthropic’s Claude Code extension were distributed through its marketplace for about 11 hours on Oct. 29, exposing thousands of developers to software that installs a persistent SSH backdoor.
Anthropic’s S-1 filing for what could become the largest stock listing ever, at a valuation near $1.5 trillion, is driving Asian investors into proxy bets, while its multi-chip compute strategy raises questions about Nvidia’s pricing power.
Anthropic filed its public S-1 with the Securities and Exchange Commission on Monday, taking the final step toward an initial public offering on Nasdaq under the ticker ANT that reports have said could value the AI company at $1.5 trillion to $2 trillion.
Anthropic announced Claude Duet, a personal AI agent in a research preview that Engadget called Anthropic’s answer to Meta Muse and OpenAI Dots.
