TSMC’s board approved investments of up to US$500 million each in OpenAI and Anthropic on 10 November 2026, creating a combined ceiling of US$1 billion. The board resolutions authorise purchases; they do not confirm that either investment has been completed. What TSMC’s board approved The two AI-company investments sit in resolution five. Resolution four separately approves funding to establish an investment company.
The distinction prevents the latter amount from being counted as additional money committed to the two developers. Resolution Approved ceiling Purpose Anthropic, PBC US$500 million Acquire common shares at Anthropic’s initial public offering price. OpenAI Group PBC US$500 million Acquire preferred stock.
Separate investment company US$500 million Establish a company for strategic investments in the semiconductor industry and related ecosystem. These are maximum authorised amounts. TSMC’s release does not provide completion dates or final ownership percentages for the AI-company purchases.
How the Anthropic placement fits Anthropic’s amended registration statement filed on 10 November names TSMC Partners, Ltd. among seven buyers in a US$26 billion concurrent private placement. It describes approximately US$500 million for TSMC at the offering’s assumed midpoint. The sale remains contingent on completion of the IPO and other conditions, with closing scheduled immediately after the offering.
That connects the Anthropic leg to the placement covered in CASRAI’s…