Anthropic files for IPO at up to $1.5tn valuation

· Politics · United States

AI developer Anthropic publicly filed its S-1 with US regulators on Monday, setting up a Nasdaq listing under the ticker ANT that could be one of the largest US market debuts ever and a test of the AI boom's financial viability. The 355-page prospectus showed revenue soaring in the first half of 2026 alongside steep losses, warned of "catastrophic risk" to humankind from advanced AI and said the company may need more financing sooner than expected. Reports put a potential valuation as high as $1.5 trillion. Banks and Blackstone lined up $63 billion to finance Broadcom AI chips for Anthropic, and the filing revived AI stocks on Wall Street. Meanwhile Meta announced a $95 billion stock offering to fund AI infrastructure, and SpaceX closed $40 billion in debt to buy GPUs.

Why it matters：The first frontier AI lab to tap public markets will set the price of the entire AI build-out and show whether investors will fund its enormous costs.

Key points

  • The filing warned of catastrophic AI risk and said Anthropic may need more financing sooner than anticipated.
  • Wall Street banks and Blackstone lined up $63 billion for Broadcom chips, while Meta announced a $95 billion stock sale.
  • The listing is expected next month and could eclipse SpaceX's IPO in scale.

Sources (original reporting)

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