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GCMG · GCM Grosvenor Inc. · Shareholders & Ownership

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$12.37 -0.25 (-1.98%) At close · Oct 23
Market Cap
$2.51B
Shares
202.79M
Volume · Oct 23 341.48K Avg daily vol (3M) 440.39K

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
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
Cantor Fitzgerald, L.P.
13G CIK 1761061 · Unknown · Dec 31, 2025
Rule 13d-1(c), passive investor
6,451,535
3
Lutnick Brandon
Insider CIK 2048880 · Oct 6, 2025
Director, 10% Owner, issuer-wide
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
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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
Pollock Frederick
Insider CIK 1680611 · Aug 15, 2026
Chief Investment Officer, issuer-wide
813,189
26
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
697,026
27
Levin Jonathan Reisin
Insider CIK 1701471 · Aug 15, 2026
Director, President, issuer-wide
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
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
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

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1819796 CUSIP 36831E108 13F (30d) 16 filings 16 filers Visit website Investor relations