The companies that sell Anthropic its chips and cloud capacity are lining up to own more of it. Google, Nvidia, AMD, Broadcom, Micron, Microsoft and TSMC have agreed to buy a combined $26 billion of Anthropic stock at whatever price its initial public offering settles on, the company disclosed in an amended registration statement filed with the SEC.

Anthropic launched its roadshow Tuesday and said it will offer 825 million Class A shares at $70 to $78 each, with 801,351,354 sold by the company and 23,648,646 by existing stockholders. The stock is set to list on the Nasdaq Global Select Market under the ticker ANT. Goldman Sachs and Morgan Stanley lead a syndicate of 22 banks, which also gets a 30-day option on another 123.75 million shares.

Who is putting in what

The side deal is a private placement of Class N shares, which carry no vote except where the law requires one.…