Quick Takeaways
- Michael Jay Sacks filed SCHEDULE 13G/A for GCM Grosvenor Inc. Class A Common Stock, par value $0.0001 (GCMG).
- Disclosed ownership: 70%.
- Date of event: 31 Dec 2025.
Michael Jay Sacks - 31 Dec 2025 SCHEDULE 13G/A Report for GCM Grosvenor Inc. Class A Common Stock, par value $0.0001 (GCMG)
- Filing Manager
- Michael Jay Sacks
- Reporting Manager
- Michael Jay Sacks
- Symbol
- GCMG
- Shares outstanding
- 202,389,741 shares
- Disclosed Ownership
- 141,672,819 shares
- Ownership
- 70%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 Feb 2026, 16:01:01 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 08 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Michael Jay Sacks disclosed 70% ownership in GCM Grosvenor Inc. Class A Common Stock, par value $0.0001 (GCMG) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 08 Aug 2025.
- Current filing was accepted on 13 Feb 2026, 16:01.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Michael Jay Sacks | 70% | 141,672,819 | 0 | 141,672,819 | /s/ Michael Jay Sacks | Michael Jay Sacks | |
| Grosvenor Holdings, L.L.C. | 69% | 0 | 0 | 133,965,014 | /s/ Michael Jay Sacks | Michael Jay Sacks/Managing Member | |
| Grosvenor Holdings II, L.L.C. | 5% | 3,226,977 | 0 | 3,226,977 | /s/ Michael Jay Sacks | Michael Jay Sacks/Managing Member | |
| GCM Grosvenor Management, LLC | 6.9% | 4,480,828 | 0 | 4,480,828 | /s/ Michael Jay Sacks | Michael Jay Sacks/Managing Member | |
| GCM Progress LLC | 60% | 90,155,396 | 0 | 90,155,396 | /s/ Michael Jay Sacks | Michael Jay Sacks/Managing Member | |
| GCM Progress Subsidiary LLC | 60% | 90,155,396 | 90,155,396 | 0 | /s/ Michael Jay Sacks | Michael Jay Sacks/Managing Member |