Andreas Halvorsen's Viking Global disclosed a significant new stake in financial tools provider MSCI Inc. (MSCI) valued at approximately $650.03 million. According to a quarterly filing with the SEC, the firm acquired 1.16 million shares, giving it a 1.85% weight in its reported portfolio. This disclosure provides a snapshot of Viking's holdings as of June 30, 2026, and was made public on August 14, 2026; therefore, the trades could have occurred at any point during the second quarter.

MSCI provides investment decision support tools, including indexes and analytics. The company reported a 12.2% year-over-year revenue increase for the second quarter of 2026. Viking Global's investment adds them to the list of major institutional holders of the financial data and services company.