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Marsh & McLennan Companies Ownership | Who Owns Marsh & McLennan Companies?

OverviewForecastRevenueFinancialsChartTranscripts

Marsh & McLennan Companies Ownership Summary

Marsh & McLennan Companies is owned by 91.11% institutional investors, 0.07% insiders, and 8.82% retail investors. Vanguard group is the largest institutional shareholder, holding 9.09% of MMC shares. American Funds Washington Mutual A is the top mutual fund, with 3.98% of its assets in Marsh & McLennan Companies shares.

MMC Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockMarsh & McLennan Companies91.11%0.07%8.82%
SectorFinancial Services Stocks 51.64%15.54%32.82%
IndustryInsurance Brokers Stocks57.11%14.13%28.77%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group44.74M9.09%$9.50B
Blackrock42.34M8.61%$8.92B
Blackrock funding, inc. /de40.27M8.19%$8.81B
State street21.25M4.33%$4.51B
Fmr21.23M4.32%$4.51B
Capital investors18.37M3.73%$4.02B
Capital world investors17.61M3.58%$3.85B
Geode capital management12.05M2.45%$2.55B
Price t rowe associates inc /md/10.15M2.06%$2.16B
Capital research global investors9.79M1.99%$2.14B

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Nippon life insurance2.62M8.66%$573.43M
Bancreek capital management, lp17.86K6.70%$3.91M
Jensen investment management2.42M6.21%$529.90M
Veritas investment partners (uk)1.52M6.03%$331.94M
Mawer investment management5.37M5.96%$1.18B
Ako capital llp1.78M4.92%$389.66M
Bristol gate capital partners357.67K4.45%$78.20M
Cryder capital partners llp360.63K4.44%$78.85M
New vernon investment management17.22K4.38%$3.77M
Longview partners (guernsey)2.27M4.27%$496.14M

Top Buyers

HolderShares% AssetsChange
Norges bank5.82M0.16%5.82M
Capital research global investors9.79M0.43%3.21M
Soundwatch capital2.57M0.43%2.57M
Stifel financial2.22M0.49%1.88M
Mackenzie financial2.29M0.65%1.55M

Top Sellers

HolderShares% AssetsChange
Ninety one uk1.35M0.60%-1.18M
Caisse de depot et placement du quebec45.34K0.02%-947.10K
Diamond hill capital management---832.26K
Alphinity investment management pty---827.57K
Montrusco bolton investments---823.64K

New Positions

HolderShares% AssetsChangeValue
Norges bank5.82M0.16%5.82M$1.24B
Soundwatch capital2.57M0.43%2.57M$2.54M
Cryder capital partners llp360.63K4.44%360.63K$78.85M
Madison investment advisors272.73K0.65%272.73K$57.93M
Susquehanna portfolio strategies197.64K0.94%197.64K$43.21M

Sold Out

HolderChange
Blume capital management-1.00
Castleview partners-1.00
Tfo-tdc-1.00
Mendota financial group-1.00
Mine & arao wealth creation & management, llc.-3.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20251,599-2.56%448,275,7572.88%911.16%727-9.01%5752.86%
Mar 31, 202522-98.62%2,957,258-99.33%-0.01%6-99.26%9-98.20%
Dec 31, 20241,525-2.06%439,901,5902.65%891.18%7662.13%490-1.01%
Sep 30, 20241,5382.95%428,486,436-1.83%871.11%7416.16%487-4.70%
Jun 30, 20241,4660.41%436,131,4361.71%881.17%684-2.01%5020.60%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
American Funds Washington Mutual A19.59M3.98%65.05K
Capital Group Wash Mutual Invtrs Comp19.59M3.98%65.05K
Vanguard US Total Market Shares ETF15.58M3.17%-43.07K
Vanguard Total Stock Mkt Idx Inv15.49M3.15%-357.52K
Vanguard Institutional 500 Index Trust13.97M2.83%96.17K
Vanguard 500 Index Investor12.20M2.48%-1.79M
Fidelity 500 Index6.25M1.27%2.68K
SPDR® S&P 500 ETF6.11M1.24%-89.59K
SPDR® S&P 500® ETF5.95M1.21%73.12K
iShares Core S&P 500 ETF5.93M1.21%-

Recent Insider Transactions

DateNameRoleActivityValue
Sep 02, 2025Doyle John Q President and CEOSell$4.33M
Jul 29, 2025Anderson Anthony-Buy$101.10K
Jul 30, 2025Anderson Anthony-Buy$100.51K
Jun 02, 2025Doyle John Q President and CEOSell$4.89M
Apr 03, 2025Beswick Paul SVP, Chief Information OfficerSell$550.30K

Insider Transactions Trends

DateBuySell
2025 Q321
2025 Q2-2
2025 Q1-14
2024 Q4-2
2024 Q3-9

MMC Ownership FAQ

Who Owns Marsh & McLennan Companies?

Marsh & McLennan Companies shareholders are primarily institutional investors at 91.11%, followed by 0.07% insiders and 8.82% retail investors. The average institutional ownership in Marsh & McLennan Companies's industry, Insurance Brokers Stocks, is 57.11%, which Marsh & McLennan Companies exceeds.

Who owns the most shares of Marsh & McLennan Companies?

Marsh & McLennan Companies’s largest shareholders are Vanguard group (44.74M shares, 9.09%), Blackrock (42.34M shares, 8.61%), and Blackrock funding, inc. /de (40.27M shares, 8.19%). Together, they hold 25.88% of Marsh & McLennan Companies’s total shares outstanding.

Does Blackrock own Marsh & McLennan Companies?

Yes, BlackRock owns 8.61% of Marsh & McLennan Companies, totaling 42.34M shares as of Jun 2024. This represents 0.20% of BlackRock's total assets, with a market value of 8.92B$. In the last quarter, BlackRock increased its holdings by 378.8K shares, a 0.90% change.

Who is Marsh & McLennan Companies’s biggest shareholder by percentage of total assets invested?

Nippon life insurance is Marsh & McLennan Companies’s biggest shareholder by percentage of total assets invested, with 8.66% of its assets in 2.62M Marsh & McLennan Companies shares, valued at 573.43M$.

Who is the top mutual fund holder of Marsh & McLennan Companies shares?

American Funds Washington Mutual A is the top mutual fund holder of Marsh & McLennan Companies shares, with 3.98% of its total shares outstanding invested in 19.59M Marsh & McLennan Companies shares.

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