Bill Ackman questions Anthropic’s S-1 risk disclosure on AI extinction chance
Bill Ackman, CEO of Pershing Square Capital Management, criticized Anthropic’s draft S-1 filing on X, questioning why a 10% chance of AI causing human extinction—cited by the company’s own researchers—would not be listed as a top risk factor. His post followed Anthropic CEO Dario Amodei’s essay urging the AI industry to slow advancements due to catastrophic risks, backed by OpenAI’s Sam Altman…
Key points
- Bill Ackman mocked Anthropic’s S-1 for not listing AI extinction risk as a top factor, despite internal warnings
- Anthropic researchers Jacob Coxon and Evan Hubinger claim over 10% chance of AI causing human extinction
- Company filed draft S-1 for potential $2T+ IPO, but no risk disclosure or timeline confirmed
Anthropic’s internal warnings escalated after researcher Jacob Coxon resigned, calling AI a life-threatening gamble. Fellow researcher Evan Hubinger publicly stated AI has over a 10% chance of wiping out humanity within a decade, though no external validation exists. The company’s confidential SEC filing hints at a potential IPO valuing it at over $2 trillion, though no timeline or final terms have been disclosed.
The story so far
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Bill Ackman Takes a Jab at Anthropic's S-1 Filing, Asks if '10% Chance' of AI Killing Humans Would Be Listed as Top Risk
finance.yahoo.com · 25 September 2026
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