GCM Grosvenor (GCMG) insider group reports 69.9% beneficial stake via units
Rhea-AI Filing Summary
GCM Grosvenor Inc. has a concentrated ownership structure in its Class A common stock. As of June 30, 2026, there were 61,120,273 Class A shares outstanding. Based on the assumed one‑for‑one redemption of Common Units into Class A shares, an insider group led by Michael Jay Sacks reports substantial beneficial ownership.
Sacks may be deemed to beneficially own 141,672,819 shares, representing 69.9% of the Class A common stock. This interest is held through several affiliated entities, including Grosvenor Holdings, L.L.C. with 133,965,014 shares (68.7%) and GCM Progress Subsidiary LLC with 88,993,499 shares (including redeemable Common Units), or 59.3% of the class. The Reporting Persons disclose shared, and no sole, voting and dispositive power over these shares.
Positive
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Key Figures
Class A shares outstanding: 61,120,273 shares
Sacks beneficial ownership: 141,672,819 shares (69.9%)
Grosvenor Holdings, L.L.C. stake: 133,965,014 shares (68.7%)
+3 more
6 metrics
Class A shares outstanding
61,120,273 shares
Class A common stock outstanding as of June 30, 2026
Sacks beneficial ownership
141,672,819 shares (69.9%)
Beneficial ownership of Class A common stock assuming 1:1 Common Unit redemption
Grosvenor Holdings, L.L.C. stake
133,965,014 shares (68.7%)
Beneficial ownership of Class A common stock
GCM Progress Subsidiary LLC stake
88,993,499 shares (59.3%)
Beneficial ownership via Common Units redeemable into Class A shares
Grosvenor Holdings Common Units
44,964,527 units
Common Units of Grosvenor Capital Management Holdings, LLLP held by Grosvenor Holdings, L.L.C.
GCM Progress Subsidiary Common Units
88,993,499 units
Common Units redeemable into Class A shares on a one-to-one basis
Key Terms
beneficial ownership, Common Units, sole voting power, shared dispositive power, +1 more
5 terms
beneficial ownership financial
"The ownership information presented below represents beneficial ownership of the shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Common Units financial
"The ownership information assumes the redemption of the common units of Grosvenor Capital Management Holdings, LLLP"
Common units are the basic ownership stakes in a company, limited partnership, or trust that function like common stock: they give holders a claim on profits and often voting rights. Think of them as the ordinary seats at a table—the most directly affected by the business’s success or failure, so they typically offer higher upside but carry greater risk than preferred claims or creditors, which matters to investors evaluating potential return and safety.
sole voting power financial
"5 | Sole Voting Power 0.00 6 | Shared Voting Power 141,672,819.00"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
Schedule 13G regulatory
"This statement is filed on behalf of: Michael Jay Sacks ... as a Reporting Person"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
FAQ
How much of GCM Grosvenor (GCMG) does Michael Jay Sacks beneficially own?
Michael Jay Sacks may be deemed to beneficially own 141,672,819 shares of GCM Grosvenor Class A common stock, representing 69.9% of the class. This stake is held indirectly through several affiliated entities that share voting and dispositive power over the securities.
What percentage of GCM Grosvenor (GCMG) is owned by Grosvenor Holdings, L.L.C.?
Grosvenor Holdings, L.L.C. reports beneficial ownership of 133,965,014 shares of GCM Grosvenor Class A common stock, equal to 68.7% of the class. Its position includes 44,964,527 Common Units and 6,988 Class A shares, all with shared voting and dispositive power.
What are GCM Grosvenor (GCMG) Common Units and how are they treated in this filing?
The filing describes Common Units of Grosvenor Capital Management Holdings, LLLP, each redeemable into one GCM Grosvenor Class A share. Ownership percentages assume all such Common Units held by the reporting persons are redeemed on a one‑to‑one basis into Class A stock.
AI-generated analysis. How Rhea-AI works. Not financial advice.
