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GCM Grosvenor Inc.

GCMG
Exchange
Nasdaq
Industry
Investment Advice
SEC CIK
0001819796

In the last 90 days, GCM Grosvenor Inc. insiders filed 0 open-market purchases and 3 sales; 148 institutions reported holding it in 13F filings for Q2 2026, worth $679.3M in total; no superinvestor holds it.

Holders of 5% or more of GCMG

Holders whose latest Schedule 13D or 13G filing reports 5% or more of GCM Grosvenor Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of GCMG
HolderLatest formStakeChangeFirst filedLatest filingFiling
Sacks Michael Jay13G/A69.90%141.7M shares−0.10 ppfrom 70.00%Feb 11, 20215 filingsAug 13, 2026SEC
CF Finance Holdings LLC13G/A10.30%6.45M shares−4.70 ppfrom 15.00%Oct 6, 20252 filingsFeb 17, 2026SEC
Ameriprise Financial Inc13G/A8.70%5.29M shares−1.50 ppfrom 10.20%Feb 12, 20216 filingsMay 15, 2026SEC
Ariel Investments, LLC13G/A7.20%4.40M shares−1.70 ppfrom 8.90%Feb 14, 20233 filingsMay 14, 2026SEC
Sumitomo Mitsui Trust Holdings, Inc.13G/A6.20%3.75M shares−1.30 ppfrom 7.50%Jul 31, 20252 filingsApr 30, 2026SEC
BlackRock, Inc.13G/A6.10%3.07M shares–Jul 17, 20251 filingJul 17, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

61 Schedule 13D and 13G filings on GCM Grosvenor Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on GCMG
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 13, 20264:48 PM ETSacks Michael Jayand 5 others13G/A69.90%141.7M shares−0.10 ppfrom 70.00%Jun 30, 2026SEC
Jul 31, 202610:18 AM ETVanguard Capital Management LLC13G/A4.93%2.98M shares−0.09 ppfrom 5.02%Below 5%Jun 30, 2026SEC
May 15, 202610:22 AM ETAmeriprise Financial Incand 2 others13G/A8.70%5.29M shares−1.50 ppfrom 10.20%Mar 31, 2026SEC
May 14, 20265:27 PM ETAriel Investments, LLC13G/A7.20%4.40M shares−1.70 ppfrom 8.90%Mar 31, 2026SEC
Apr 30, 20266:04 AM ETSumitomo Mitsui Trust Holdings, Inc.and 1 other13G/A6.20%3.75M shares−1.30 ppfrom 7.50%Mar 31, 2026SEC
Apr 29, 20266:38 PM ETVanguard Capital Management LLC13G5.02%3.06M sharesNewMar 31, 2026SEC
Mar 26, 20266:39 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 17, 20264:01 PM ETCF Finance Holdings LLCand 4 others13G/A10.30%6.45M shares−4.70 ppfrom 15.00%Dec 31, 2025SEC
Feb 17, 20269:36 AM ETLMR Partners LLPand 7 others13G/A0.00%0 shares−6.90 ppfrom 6.90%Below 5%Dec 31, 2025SEC
Feb 13, 20264:01 PM ETSacks Michael Jayand 5 others13G/A70.00%141.7M shares−2.80 ppfrom 72.80%Dec 31, 2025SEC
Nov 14, 20259:55 AM ETAmeriprise Financial Incand 2 others13G/A10.20%5.42M shares−2.90 ppfrom 13.10%Sep 30, 2025SEC
Nov 14, 20259:15 AM ETLMR Partners LLPand 7 others13G/A6.90%3.97M shares−1.20 ppfrom 8.10%Sep 30, 2025SEC
Oct 6, 20254:57 PM ETCF Finance Holdings LLCand 5 others13G/A15.00%8.25M shares–Oct 6, 2025SEC
Aug 13, 20254:35 PM ETWasatch Advisors Inc13G/A0.00%0 shares−5.50 ppfrom 5.50%Below 5%Jun 30, 2025SEC
Aug 13, 20254:10 PM ETAriel Investments, LLC13G/A8.90%4.45M shares–Jun 30, 2025SEC
Aug 8, 20254:15 PM ETSacks Michael Jayand 5 others13G/A72.80%142.6M shares–Jun 30, 2025SEC
Aug 4, 20254:24 PM ETMassachusetts Financial Services Co13G/A4.00%2.01M shares–Below 5%Jun 30, 2025SEC
Jul 31, 20256:10 AM ETSumitomo Mitsui Trust Holdings, Inc.and 1 other13G7.50%3.75M sharesNewJun 30, 2025SEC
Jul 17, 20257:54 PM ETBlackRock, Inc.13G/A6.10%3.07M shares–Jun 30, 2025SEC
Jul 16, 20259:20 AM ETRoyce & Associates LP13G/A4.39%2.19M shares−3.07 ppfrom 7.46%Below 5%Jun 30, 2025SEC
May 15, 202512:37 PM ETLMR Partners LLPand 7 others13G/A8.10%4.00M shares+1.10 ppfrom 7.00%Mar 31, 2025SEC
May 13, 20252:54 PM ETWasatch Advisors Inc13G/A5.50%2.45M shares–Mar 31, 2025SEC
Feb 14, 20252:09 PM ETLMR Partners LLPand 7 others13G7.00%3.38M sharesNewDec 31, 2024SEC
Feb 14, 202510:38 AM ETAmeriprise Financial Incand 3 others13G/A13.10%5.90M shares–Dec 31, 2024SEC
Jan 28, 202510:32 AM ETRoyce & Associates LP13G/A7.46%3.35M shares–Dec 31, 2024SEC
Mar 10, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 14, 2023Sacks Michael Jay13G/AOld format–––SEC
Feb 14, 2023Schonfeld Strategic Advisors LLC13G/AOld format–––SEC
Feb 14, 2023Northern Right Capital Management, L.P.13G/AOld format–––SEC
Feb 14, 2023Ameriprise Financial Inc13G/AOld format–––SEC
Feb 14, 2023Ariel Investments, LLC13GOld format–New–SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 8, 2023Massachusetts Financial Services Co13G/AOld format–––SEC
Jan 23, 2023Royce & Associates LP13G/AOld format–––SEC
Dec 13, 2022Royce & Associates LP13G/AOld format–––SEC
Jun 9, 2022Schonfeld Strategic Advisors LLC13G/AOld format–––SEC
Feb 14, 2022Schonfeld Strategic Advisors LLC13GOld format–New–SEC
Feb 14, 2022Ameriprise Financial Inc13G/AOld format–––SEC
Feb 14, 2022Northern Right Capital Management, L.P.13G/AOld format–––SEC
Feb 11, 2022Integrated Core Strategies (US) LLC13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 10, 2022Adage Capital Partners GP, L.L.C.13G/AOld format–––SEC
Feb 4, 20224:12 PM ETBlackRock Inc.13GOld format–New–SEC
Feb 2, 2022Massachusetts Financial Services Co13GOld format–New–SEC
Jan 21, 2022Royce & Associates LP13G/AOld format–––SEC
Nov 12, 2021Northern Right Capital Management, L.P.13GOld format–New–SEC
Jul 30, 2021M. Klein Associates, Inc.13G/AOld format–––SEC
Jul 13, 2021Adage Capital Partners GP, L.L.C.13GOld format–New–SEC
Jul 12, 2021Vanguard Group Inc13G/AOld format–––SEC
Jul 12, 2021Vanguard Index Funds13G/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell GCM Grosvenor Inc. shares.

No Form 144 notices for GCM Grosvenor Inc. are on file.