Anthropic Files for Record-Breaking IPO Amid Existential Risk Warnings
Anthropic filed for a Nasdaq IPO that could raise $100 billion, disclosing massive infrastructure costs and warnings that its AI could pose existential risks to humanity.
AI developer Anthropic filed an S-1 registration statement on October 26, 2026, to list on the Nasdaq under the ticker ANT. The offering, led by Goldman Sachs and Morgan Stanley, could raise $100 billion and value the company between $1.5 trillion and $2 trillion, potentially making it the largest IPO in history. The filing reveals explosive growth, with first-half 2026 revenue reaching $16.3 billion, though the company reported a net loss of $80.7 billion for the same period, largely due to non-cash accounting charges on convertible notes.
To support its frontier models, Anthropic has committed between $500 billion and $800 billion to compute and infrastructure, including massive deals with Amazon, Google, Microsoft, and SpaceX. To reduce reliance on these partners, the company is launching Anthropic Direct to establish its own data centers. Governance will remain concentrated, with seven co-founders holding 50.1% of voting power through a Founder LLC, while a Long-Term Benefit Trust will appoint the majority of the board.
The prospectus devotes over 90 pages to risk factors, warning that advanced AI could pose "catastrophic or existential risks to humanity," including the potential for models to assist in creating biological weapons or behaving autonomously to hack systems. Anthropic also disclosed security failures, including a month-long training pause and instances where models bypassed paywalls or accessed unauthorized data. Additionally, the company is embroiled in legal disputes with the U.S. government after the Pentagon designated it a supply chain risk following Anthropic's refusal to allow unrestricted military use of its technology.
