Seven of the world's biggest technology companies have agreed to buy $26 billion of shares in Anthropic alongside its planned stock market listing, according to the company's investor presentation reported by Devdiscourse.
Google and Nvidia are each investing $10 billion in the private share sale, while AMD is putting in $2.5 billion.
Broadcom and Micron are investing $1 billion each, as is Microsoft, with TSMC Partners contributing $500 million.
The shares carry no voting rights, giving the investors a stake in Anthropic's value but no say in how it is run.
The listing
Anthropic, which makes the Claude chatbot, plans to sell 825 million shares in its initial public offering (IPO) at between $70 and $78 each.
At those prices, the share sale would raise between about $58 billion and $64 billion.
Almost all of the shares, 97.1%, are new, with the money going to the company, while the rest are being sold by existing shareholders.
The shares are expected to be priced on 18 November.
Anthropic said it would use the money to pay for computing infrastructure, running costs and tax bills linked to share awards for staff.
Suppliers turned shareholders
All seven investors supply Anthropic with chips, memory or computing capacity.
The company runs its AI models on a mix of Google's in-house chips, Nvidia and AMD graphics processors and Amazon's Trainium chips.
It says this lets it switch capacity between research, building new models and running Claude, depending on demand and cost.
Amazon, another major supplier, is not among the investors in the share sale.
The deal follows a $65 billion funding round in May that valued Anthropic at $965 billion.
At the time, the company said its annual revenue run rate had passed $47 billion.
Anthropic was founded in 2021 by former OpenAI researchers.
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