SCHEDULE 13G/A 0001509764 XXXXXXXX LIVE 3 Class A Common Stock, par value $0.0001 06/30/2025 0001819796 GCM Grosvenor Inc. 36831E108 900 North Michigan Avenue Suite 1100 Chicago IL 60611 Rule 13d-1(d) Michael Jay Sacks X1 0.00 142565831.00 0.00 142565831.00 142565831.00 N 72.8 IN Grosvenor Holdings, L.L.C. IL 0.00 134858026.00 0.00 134858026.00 134858026.00 N 71.7 OO Grosvenor Holdings II, L.L.C. DE 0.00 3226977.00 0.00 3226977.00 3226977.00 N 5.7 OO GCM Grosvenor Management, LLC DE 0.00 4480828.00 0.00 4480828.00 4480828.00 N 7.8 OO GCM Progress LLC DE 0.00 90155396.00 0.00 90155396.00 90155396.00 N 62.9 OO GCM Progress Subsidiary LLC DE 0.00 90155396.00 0.00 90155396.00 90155396.00 N 62.9 OO GCM Grosvenor Inc. 900 North Michigan Avenue, Suite 1100, Chicago, IL 60611. Michael Jay Sacks Grosvenor Holdings, L.L.C. Grosvenor Holdings II, L.L.C. GCM Grosvenor Management, LLC GCM Progress LLC GCM Progress Subsidiary LLC The principal business address of the Reporting Persons is c/o GCM Grosvenor Inc., 900 North Michigan Avenue, Suite 1100, Chicago, IL 60611. Grosvenor Holdings, L.L.C. is organized under the laws of the state of Illinois. Grosvenor Holdings II, L.L.C., GCM Grosvenor Management, LLC, GCM Progress LLC and GCM Progress Subsidiary LLC are each organized under the laws of the state of Delaware. Michael Jay Sacks is a citizen of the United States. Y Michael Jay Sacks - 142,565,831 Grosvenor Holdings, L.L.C. - 134,858,026 Grosvenor Holdings II, L.L.C. - 3,226,977 GCM Grosvenor Management, LLC - 4,480,828 GCM Progress LLC - 90,155,396 GCM Progress Subsidiary LLC - 90,155,396 Michael Jay Sacks - 72.8% Grosvenor Holdings, L.L.C. - 71.7% Grosvenor Holdings II, L.L.C. - 5.7% GCM Grosvenor Management, LLC - 7.8% GCM Progress LLC - 62.9% GCM Progress Subsidiary LLC - 62.9% Michael Jay Sacks - 0 Grosvenor Holdings, L.L.C. - 0 Grosvenor Holdings II, L.L.C. - 0 GCM Grosvenor Management, LLC - 0 GCM Progress LLC - 0 GCM Progress Subsidiary LLC - 0 Michael Jay Sacks - 142,565,831 Grosvenor Holdings, L.L.C. - 134,858,026 Grosvenor Holdings II, L.L.C. - 3,226,977 GCM Grosvenor Management, LLC - 4,480,828 GCM Progress LLC - 90,155,396 GCM Progress Subsidiary LLC - 90,155,396 Michael Jay Sacks - 0 Grosvenor Holdings, L.L.C. - 0 Grosvenor Holdings II, L.L.C. - 0 GCM Grosvenor Management, LLC - 0 GCM Progress LLC - 0 GCM Progress Subsidiary LLC - 0 Michael Jay Sacks - 142,565,831 Grosvenor Holdings, L.L.C. - 134,858,026 Grosvenor Holdings II, L.L.C. - 3,226,977 GCM Grosvenor Management, LLC - 4,480,828 GCM Progress LLC - 90,155,396 GCM Progress Subsidiary LLC - 90,155,396 Y Y Y Y Y Y Michael Jay Sacks /s/ Michael Jay Sacks 08/08/2025 Grosvenor Holdings, L.L.C. /s/ Michael Jay Sacks 08/08/2025 Grosvenor Holdings II, L.L.C. /s/ Michael Jay Sacks 08/08/2025 GCM Grosvenor Management, LLC /s/ Michael Jay Sacks 08/08/2025 GCM Progress LLC /s/ Michael Jay Sacks 08/08/2025 GCM Progress Subsidiary LLC /s/ Michael Jay Sacks 08/08/2025 99 Joint Filing Agreement (previously filed).