SCHEDULE 13G/A

GCM Grosvenor Inc

Class A Common Stock · CUSIP: 36831E108

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Ameriprise Financial, Inc.

  Shares: 5,423,883 · Class: 10.2%

• Columbia Management Investment Advisers, LLC

  Shares: 5,410,167 · Class: 10.2%

• Columbia Acorn Fund

  Shares: 4,540,494 · Class: 8.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.