Sumitomo Mitsui Trust Group Increases Stake in GCM Grosvenor Inc. to 6.2%

Sumitomo Mitsui Trust Group, Inc., along with its subsidiary SUMITOMO MITSUI TRUST BANK Ltd., filed a Schedule 13G/A on April 30, 2026, reporting a 6.2% ownership stake in GCM Grosvenor Inc. (GCMG). The filing indicates that the reporting persons beneficially own 3,752,965 shares of Class A common stock as of the event date on March 31, 2026. This represents an increase from a previously reported 0.0% position. Sumitomo Mitsui Trust Group, Inc. acts as a parent holding company for the shares, which are held in the ordinary course of business. The reporting entities are based in Tokyo, Japan, and share voting and dispositive power over the reported shares. The filing confirms that the acquisition was not intended to influence or change the control of the issuer. GCM Grosvenor Inc. is headquartered in Chicago, Illinois. Hideaki Takamiya, Senior Manager of the Risk Management Department, signed the filing on behalf of both entities.