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Anthropic Briefly Circulates Nearly $70 Billion IPO Plan

Draft filing also listed a $26 billion private placement from major tech firms

11/10/2026
•Ghita Khalfaoui
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Anthropic briefly circulated a draft IPO filing to banks that showed plans to raise nearly $70 billion, according to emails seen by Reuters. A representative later retracted the pricing details as inaccurate. The company develops the Claude family of generative AI models.


Draft offering details

The original document showed a planned sale of 866.7 million Class A shares. Anthropic would sell about 843.3 million shares, while existing holders would sell 23.3 million. At $70 to $80 per share, the offering would raise $69.3 billion at the top of the range.

Company context

Anthropic was founded in 2021 by former OpenAI executives. It has become a leading developer of generative AI models under the Claude name. Revenue reached almost $17 billion for the three months ended September 30, though quarterly growth slowed sharply.

Private placement partners

The draft filing also listed a $26 billion private placement from major technology companies. Alphabet's Google, Nvidia, Advanced Micro Devices, Broadcom, Micron Technology, Microsoft, and TSMC agreed to participate. They would buy Class N common stock at the IPO price and close the deal immediately after the listing.


Anthropic is expected to formally launch its roadshow on Tuesday. Pricing is expected in the following week. The company said it would update the filing details later.

Read more: reuters.com