TSMC's board approved an investment of up to $500 million to acquire shares in Anthropic at its initial public offering price, and an investment of up to $500 million to acquire preferred stock in OpenAI

The initial public offering of Anthropic, which confidentially filed with the SEC in June 2026 and publicly filed its S-1 registration statement on October 26, 2026 to list on Nasdaq under the ticker ANT.