GCM Grosvenor Inc
Ownership
Ownership Structure
Who owns GCM Grosvenor Inc (GCMG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.1% of the shares are freely tradable; institutional investors hold 103.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| CANTOR FITZGERALD, L. P. | 10.55 | 6,451,535 | +0.0 | 03/31/2026 |
| Ameriprise Financial Inc | 8.63 | 5,276,828 | +0.0 | 03/31/2026 |
| BlackRock Inc | 7.38 | 4,512,314 | +14.4 | 03/31/2026 |
| Ariel Investments, LLC | 7.22 | 4,415,839 | +0.4 | 06/30/2026 |
| Sumitomo Mitsui Trust Group Inc | 6.14 | 3,752,965 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.35 | 2,656,204 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.30 | 2,626,751 | +0.0 | 03/31/2026 |
| BAMCO Inc | 3.60 | 2,200,349 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Columbia Acorn Inst | 5.84 | 3,569,399 | -20.7 | 07/31/2026 |
| Baron Small Cap Strategy | 3.60 | 2,200,000 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Cantor Fitzgerald, L. P. | 10% Owner | 5,894,429 | 76,038,134 $ | Jul 16, 2026 | indirect |
| Pollock Frederick | Chief Investment Officer | 813,189 | 10,490,138 $ | Aug 15, 2026 | direct |
| Levin Jonathan Reisin | President | 689,493 | 8,894,460 $ | Aug 15, 2026 | direct |
| Sullivan Kathleen Patricia | Principal Accounting Officer | 44,795 | 577,856 $ | Sep 3, 2026 | direct |
| Bentley Pamela L | Chief Financial Officer | 14,397 | 185,721 $ | Sep 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Bentley Pamela L | Chief Financial Officer | Sell | 10,000 | 12.68 | 126,787 |
| Sep 15, 2026 | Bentley Pamela L | Chief Financial Officer | Sell | 40,000 | 12.56 | 502,508 |
| Sep 3, 2026 | Sullivan Kathleen Patricia | Principal Accounting Officer | Sell | 15,037 | 13.16 | 197,959 |
| Sep 2, 2026 | Sullivan Kathleen Patricia | Principal Accounting Officer | Sell | 24,963 | 13.15 | 328,358 |
| Aug 15, 2026 | Pollock Frederick | Chief Investment Officer | Other | 23,953 | 13.86 | 331,989 |
| Aug 15, 2026 | Pollock Frederick | Chief Investment Officer | Other | 60,870 | – | – |
| Aug 15, 2026 | Levin Jonathan Reisin | President | Other | 42,813 | 13.86 | 593,388 |
| Aug 15, 2026 | Levin Jonathan Reisin | President | Other | 91,305 | – | – |
| Jul 16, 2026 | Cantor Fitzgerald, L. P. | 10% Owner | Sell | 426,550 | 13.57 | 5,788,284 |
| Jul 15, 2026 | Cantor Fitzgerald, L. P. | 10% Owner | Sell | 4,000 | 14.24 | 56,960 |
| Jul 15, 2026 | Cantor Fitzgerald, L. P. | 10% Owner | Sell | 126,556 | 13.83 | 1,750,269 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.