Boston Partners Acquires 5.4% Passive Stake in DoubleDown Interactive Co., Ltd.

2026-05-14SEC Filing SCHEDULE 13G (0001386060-26-000027)

On May 14, 2026, Boston Partners filed a Schedule 13G with the SEC, reporting a new ownership position in DoubleDown Interactive Co., Ltd. (DDI). As of the event date on March 31, 2026, the investment adviser disclosed beneficial ownership of 133,719 American Depository Shares (ADS), representing a 5.4% stake in the company. The filing specifies that Boston Partners holds sole voting and dispositive power over all 133,719 shares. Notably, according to the issuer's conversion ratio, 20 ADS are equivalent to one common share, meaning the position represents approximately 6,685.95 common shares. The securities were acquired in the ordinary course of business and were not intended to influence or change the control of the issuer. This filing marks an increase from a previous ownership level of 0.0%, establishing Boston Partners as a significant institutional shareholder in the South Korean-based gaming company.