GCMG · GCM Grosvenor Inc. · Shareholders & Ownership
Every disclosed holder of GCMG in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns GCMG
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 55,258,412 | 27.25% |
| Insiders (Forms 3, 4, 5) | 8,256,188 | 4.07% |
| 13D/G-only blocks | 10,998,012 | 5.42% |
| Remaining | 128,279,488 | 63.26% |
| Registered funds (N-PORT, not summed) | 26,634,207 | 13.13% |
Shares outstanding: 202,792,100, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of GCMG
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Michael Jay Sacks
13G
CIK 1509764 · Unknown · Jun 30, 2026
Rule 13d-1(d), exempt investor, not summed
|
141,672,819 | ||
| 1.1 |
Sacks Michael Jay
Insider
CIK 1509764 · Nov 14, 2025
Director, Chief Executive Officer, 10% Owner, issuer-wide
|
6,988 | ||
| 2 |
|
6,451,535 | ||
| 3 |
|
6,451,535 | ||
| 4 |
CANTOR FITZGERALD, L. P.
Insider
CIK 1024896 · Jul 16, 2026
Director, 10% Owner, issuer-wide, not summed
|
5,894,429 | ||
| 4.1 |
CANTOR FITZGERALD, L. P.
13F
CIK 1024896 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,451,535 | ||
| 5 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,399,124 | ||
| 5.1 |
Columbia Acorn Fund
Fund
S000009184 · Registered fund · Jun 30, 2026
COLUMBIA ACORN TRUST, not summed
|
4,498,825 | ||
| 5.2 |
Columbia Variable Portfolio - Acorn Fund
Fund
S000008981 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE SERIES TRUST, not summed
|
860,649 | ||
| 6 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,764,605 | ||
| 6.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,605,205 | ||
| 6.2 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
512,666 | ||
| 6.3 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
113,534 | ||
| 6.4 |
iShares Core S&P Total U.S. Stock Market ETF
Fund
S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
81,072 | ||
| 6.5 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
67,191 | ||
| 7 |
ARIEL INVESTMENTS, LLC
13F
CIK 936753 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,415,839 | ||
| 7.1 |
Ariel Fund
Fund
S000005024 · Registered fund · Jun 30, 2026
Ariel Investment Trust, not summed
|
2,070,647 | ||
| 8 |
Sumitomo Mitsui Trust Group, Inc.
13F
CIK 1475365 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,752,965 | ||
| 9 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,641,295 | ||
| 10 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,590,496 | ||
| 10.1 |
VANGUARD CAPITAL MANAGEMENT LLC
13G
CIK 2100119 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
2,982,847 | ||
| 11 |
Mizuho Financial Group, Inc.
13G
CIK 1335730 · Bank · Dec 31, 2023
|
2,430,700 | ||
| 12 |
BAMCO INC /NY/
13F
CIK 1017918 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,204,959 | ||
| 12.1 |
BARON SMALL CAP FUND
Fund
S000000584 · Registered fund · Jun 30, 2026
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND), not summed
|
2,200,000 | ||
| 13 |
ADAGE CAPITAL PARTNERS GP, L.L.C.
13G
CIK 1165408 · Registered investment adviser · Dec 31, 2023
Rule 13d-1(c), passive investor
|
2,115,777 | ||
| 14 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,084,192 | ||
| 14.1 |
Goldman Sachs Small Cap Equity Insights Fund
Fund
S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
256,815 | ||
| 14.2 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
106,685 | ||
| 14.3 |
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund
S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
|
74,145 | ||
| 14.4 |
Goldman Sachs Small Cap Value Insights Fund
Fund
S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
61,718 | ||
| 14.5 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
|
30,129 | ||
| 15 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,836,495 | ||
| 16 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,784,126 | ||
| 16.1 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
854,408 | ||
| 17 |
|
1,597,775 | ||
| 17.1 |
State Street(R) SPDR(R) S&P(R) Capital Markets ETF
Fund
S000006978 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
280,800 | ||
| 17.2 |
State Street(R) SPDR(R) US Small Cap Low Volatility Index ETF
Fund
S000039795 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
54,806 | ||
| 17.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
20,200 | ||
| 17.4 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
1,410 | ||
| 17.5 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
321 | ||
| 18 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,546,642 | ||
| 19 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,361,146 | ||
| 20 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,314,330 | ||
| 21 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,286,438 | ||
| 21.1 |
MFS New Discovery Fund
Fund
S000000765 · Registered fund · May 31, 2026
MFS SERIES TRUST I, not summed
|
751,633 | ||
| 21.2 |
MFS New Discovery Series
Fund
S000002680 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
|
274,628 | ||
| 21.3 |
MFS Blended Research Small Cap Equity Fund
Fund
S000050659 · Registered fund · May 31, 2026
MFS SERIES TRUST X, not summed
|
164,858 | ||
| 21.4 |
MFS Blended Research Small Cap Equity Portfolio
Fund
S000008071 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
|
41,541 | ||
| 21.5 |
MFS Global Alternative Strategy Fund
Fund
S000019515 · Registered fund · Jul 31, 2026
MFS Series Trust XV, not summed
|
2,147 | ||
| 22 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
976,134 | ||
| 22.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
28 | ||
| 23 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
869,874 | ||
| 23.1 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
199,317 | ||
| 23.2 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
190,503 | ||
| 23.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
152,552 | ||
| 23.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
68,747 | ||
| 23.5 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
39,668 | ||
| 24 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
833,371 | ||
| 25 |
|
813,189 | ||
| 26 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
697,026 | ||
| 27 |
|
689,493 | ||
| 28 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
675,039 | ||
| 28.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
30,660 | ||
| 29 |
North Reef Capital Management LP
13F
CIK 1867831 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
630,180 | ||
| 30 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
576,882 | ||
| 31 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
503,245 | ||
| 31.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
297,425 | ||
| 31.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
142,716 | ||
| 31.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
43,912 | ||
| 31.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
32,476 | ||
| 32 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
454,954 | ||
| 33 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
438,148 | ||
| 33.1 |
William Blair Small Cap Growth Fund
Fund
S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
149,259 | ||
| 34 |
ALGERT GLOBAL LLC
13F
CIK 1275218 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
433,587 | ||
| 35 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
422,404 | ||
| 36 |
BLAIR WILLIAM & CO/IL
13F
CIK 902367 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
343,894 | ||
| 37 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
343,587 | ||
| 38 |
Man Group plc
13F
CIK 1637460 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
340,229 | ||
| 39 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
CIK 928047 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
332,032 | ||
| 40 |
|
324,985 | ||
| 40.1 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
201,820 | ||
| 40.2 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
78,681 | ||
| 40.3 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
24,069 | ||
| 40.4 |
TIAA Separate Account VA-1 - Stock Index Account
Fund
S000005098 · Registered fund · Jun 30, 2026
TIAA Separate Account VA-1, not summed
|
559 | ||
| 40.5 |
Nuveen Life Stock Index Fund
Fund
S000005094 · Registered fund · Jun 30, 2026
TIAA-CREF Life Funds, not summed
|
257 | ||
| 41 |
North Star Investment Management Corp.
13F
CIK 1342857 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
324,630 | ||
| 42 |
John Hancock Financial Opportunities Fund
Fund
· Registered fund · Jun 30, 2026
John Hancock Financial Opportunities Fund, not summed
|
315,697 | ||
| 42.1 |
ROYCE SMALL-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE SMALL-CAP TRUST, INC., not summed
|
801,494 | ||
| 42.2 |
ROYCE GLOBAL TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE GLOBAL TRUST, INC., not summed
|
101,682 | ||
| 43 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
315,359 | ||
| 44 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
275,248 | ||
| 45 |
Russell Investments Group, Ltd.
13F
CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
272,656 | ||
| 45.1 |
Tax-Managed U.S. Mid & Small Cap Fund
Fund
S000001571 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
87,725 | ||
| 45.2 |
U.S. Small Cap Equity Fund
Fund
S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
4,993 | ||
| 46 |
Trexquant Investment LP
13F
CIK 1633445 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
256,406 | ||
| 47 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
221,038 | ||
| 47.1 |
VictoryShares US Small Cap High Div Volatility Wtd ETF
Fund
S000049908 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
214,255 | ||
| 47.2 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
6,783 | ||
| 48 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
213,900 | ||
| 49 |
MARTINGALE ASSET MANAGEMENT L P
13F
CIK 936944 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
209,398 | ||
| 50 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
205,546 |
14 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 246 holders
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