Marsh & McLennan Companies (MRSH) Institutional Ownership

$189.70 -3.56 (-1.84%)

Closing price 03:59 PM Eastern

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$189.94 +0.25 (+0.13%)

As of 07:30 PM Eastern

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Current Institutional Ownership Percentage: 87.99%
Number of Institutional Buyers (last 12 months): 1157
Total Institutional Inflows (last 12 months): $33.85B

Number of Institutional Sellers (last 12 months): 587
Total Institutional Outflows (last 12 months): $229.58M

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MRSH Institutional Buying and Selling by Quarter

Marsh & McLennan Companies Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/27/2026	Formuepleje A S	46,902	$7.82M	0.6%	-14.6%	0.010%
8/26/2026	Amundi	2,884,376	$480.74M	0.1%	+25.5%	0.604%
8/26/2026	HighTower Advisors LLC	249,599	$41.60M	0.0%	-3.3%	0.052%
8/24/2026	Vancity Investment Management Ltd	72,512	$12.09M	1.8%	-4.4%	0.015%
8/24/2026	California State Teachers Retirement System	122,656,786	$20.44B	0.1%	+16,707.0%	25.703%
8/23/2026	Ameritas Advisory Services LLC	2,576	$429K	0.0%	-59.4%	0.001%
8/23/2026	Guardian Wealth Advisors LLC NC	1,590	$265K	0.0%	-7.8%	0.000%
8/23/2026	Wedmont Private Capital	4,783	$853K	0.0%	-5.2%	0.001%
8/23/2026	Kintra Wealth LLC	6,415	$1.07M	0.1%	+31.4%	0.001%
8/23/2026	HB Wealth Management LLC	16,262	$2.71M	0.0%	-10.4%	0.003%
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8/23/2026	Saudi Central Bank	33,726	$5.62M	0.1%	+86.5%	0.007%
8/23/2026	Angeles Wealth Management LLC	1,214	$202K	0.0%	N/A	0.000%
8/23/2026	Azimuth Capital Investment Management LLC	50,837	$8.47M	0.3%	-1.8%	0.011%
8/22/2026	Raiffeisen Bank International AG	47,562	$7.93M	0.1%	+0.7%	0.010%
8/22/2026	Syon Capital LLC	8,969	$1.50M	0.1%	-19.7%	0.002%
8/22/2026	denkapparat Operations GmbH	2,068	$345K	0.1%	N/A	0.000%
8/22/2026	TD Waterhouse Canada Inc.	166,714	$28.70M	0.1%	+37.2%	0.035%
8/22/2026	Concurrent Investment Advisors LLC	17,547	$2.93M	0.0%	-17.9%	0.004%
8/22/2026	NEOS Investment Management LLC	78,716	$13.12M	0.0%	+11.9%	0.016%
8/21/2026	iSAM Funds UK Ltd	8,800	$1.47M	1.0%	N/A	0.002%
8/21/2026	Continuum Advisory LLC	227	$38K	0.0%	-84.4%	0.000%
8/21/2026	Nykredit A S	170,509	$28.42M	0.1%	N/A	0.036%
8/21/2026	Hudson Portfolio Management LLC	1,657	$276K	0.2%	N/A	0.000%
8/21/2026	B. Metzler seel. Sohn & Co. AG	37,603	$6.27M	0.1%	-1.2%	0.008%
8/21/2026	Independence Bank of Kentucky	395	$66K	0.0%	-44.4%	0.000%
8/21/2026	Legacy Financial Advisors Inc.	4,751	$792K	0.1%	-27.3%	0.001%
8/20/2026	Proficio Capital Partners LLC	4,171	$695K	0.0%	+228.7%	0.001%
8/20/2026	Nwam LLC	1,384	$231K	0.0%	-6.5%	0.000%
8/20/2026	Quantitative Investment Management LLC	6,003	$1M	0.1%	+19.6%	0.001%
8/20/2026	Ancora Advisors LLC	251	$42K	0.0%	-79.5%	0.000%
8/20/2026	Sigma Planning Corp	1,795	$299K	0.0%	-9.3%	0.000%
8/20/2026	Benjamin Edwards Inc.	40,011	$6.67M	0.1%	+2.8%	0.008%
8/20/2026	GTS Securities LLC	1,567	$261K	0.0%	-57.0%	0.000%
8/20/2026	Alyeska Investment Group L.P.	57,212	$9.54M	0.0%	N/A	0.012%
8/20/2026	Flputnam Investment Management Co.	28,972	$4.83M	0.1%	-44.1%	0.006%
8/20/2026	Northwestern Mutual Wealth Management Co.	34,062	$5.68M	0.0%	+7.5%	0.007%
8/20/2026	Hennessy Advisors Inc.	14,300	$2.38M	0.1%	-2.7%	0.003%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	4,597,647	$766.29M	0.1%	-11.3%	0.963%
8/19/2026	Washington Trust Bank	45,280	$7.55M	0.5%	-21.7%	0.009%
8/19/2026	Royal London Asset Management Ltd.	215,543	$35.93M	0.1%	-2.2%	0.045%
Trump Takes Emergency Action - Plus Elon Musk's New Venture (Ad) Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Trump has issued emergency support to accelerate the rollout, and it's already live in multiple states. The Financial Times reports Sam Altman is personally calling people to build this for OpenAI. A few little-known companies control the entire supply chain - meaning anyone who wants access must go through them. Their stocks are available to buy right now. See which companies control the supply chain behind this emerging tech
8/19/2026	Mufg Securities Americas Inc.	14,512	$2.42M	0.1%	+8.3%	0.003%
8/19/2026	Van ECK Associates Corp	116,011	$19.34M	0.0%	-2.5%	0.024%
8/19/2026	Nissay Asset Management Corp Japan	64,414	$10.74M	0.0%	+2.4%	0.013%
8/19/2026	Wellington Management Group LLP	16,975,238	$2.83B	0.5%	-2.3%	3.557%
8/19/2026	Lombard Odier Asset Management Europe Ltd	85,223	$14.20M	0.1%	N/A	0.018%
8/19/2026	Kingsview Wealth Management LLC	41,516	$6.92M	0.1%	N/A	0.009%
8/18/2026	Beacon Pointe Advisors LLC	18,848	$3.14M	0.0%	N/A	0.004%
8/18/2026	Kimelman & Baird LLC	12,630	$2.11M	0.1%	N/A	0.003%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	3,334	$555K	0.0%	N/A	0.001%
8/18/2026	Rakuten Investment Management Inc.	78,803	$13.14M	0.0%	N/A	0.017%
8/18/2026	Glenview Trust Co	91,519	$15.25M	0.1%	N/A	0.019%
8/18/2026	North Star Asset Management Inc.	3,030	$505K	0.0%	N/A	0.001%
8/18/2026	Empowered Funds LLC	41,399	$6.90M	0.0%	N/A	0.009%
8/18/2026	United Capital Financial Advisors LLC	13,506	$2.25M	0.0%	N/A	0.003%
8/18/2026	Equitable Holdings Inc.	14,723	$2.45M	0.0%	N/A	0.003%
8/18/2026	Coastal Bridge Advisors LLC	3,925	$654K	0.0%	N/A	0.001%
8/18/2026	Public Employees Retirement System of Ohio	185,571	$30.93M	0.1%	N/A	0.039%
8/18/2026	MASTERINVEST Kapitalanlage GmbH	1,835	$306K	0.0%	N/A	0.000%
8/17/2026	Parvin Asset Management LLC	3,230	$538K	0.4%	N/A	0.001%
8/17/2026	Proficio Capital Partners LLC	4,171	$695K	0.0%	N/A	0.001%
8/17/2026	Pure Financial Advisors LLC	3,381	$564K	0.0%	N/A	0.001%
8/17/2026	Transamerica Financial Advisors LLC	713	$119K	0.0%	N/A	0.000%
8/17/2026	Corient Private Wealth LP	12,842,632	$66.48M	0.1%	N/A	2.691%
8/17/2026	Ausdal Financial Partners Inc.	4,010	$668K	0.0%	N/A	0.001%
8/17/2026	Bank of America Corp DE	3,455,003	$575.85M	0.0%	N/A	0.724%
8/15/2026	Wallace Capital Management Inc.	2,010	$335K	0.0%	N/A	0.000%
8/15/2026	Caisse de depot et placement du Quebec	982,538	$163.76M	0.2%	N/A	0.206%
8/15/2026	Man Group plc	253,869	$42.31M	0.1%	N/A	0.053%
8/15/2026	Jupiter Topco LLC	202,645	$33.76M	0.0%	N/A	0.042%
8/14/2026	Hsbc Holdings PLC	1,022,077	$170.41M	0.1%	+3.7%	0.214%
8/14/2026	EFG International AG	182	$30K	0.0%	N/A	0.000%
8/14/2026	Ancora Advisors LLC	251	$42K	0.0%	N/A	0.000%
8/14/2026	Primecap Management Co. CA	2,145,025	$357.51M	0.2%	N/A	0.449%
8/14/2026	PDT Partners LLC	9,000	$1.50M	0.1%	N/A	0.002%
8/14/2026	Palisade Capital Management LP	2,549	$425K	0.0%	N/A	0.001%
8/14/2026	Canada Pension Plan Investment Board	1,605,850	$267.65M	0.1%	N/A	0.337%
8/14/2026	Osterweis Capital Management Inc.	513	$86K	0.0%	N/A	0.000%
8/14/2026	Kinloch Capital LLC	1,252	$209K	0.1%	N/A	0.000%
8/14/2026	Legal & General Group Plc	2,793,483	$465.59M	0.1%	N/A	0.585%
8/14/2026	The Manufacturers Life Insurance Company	1,867,077	$311.19M	0.2%	N/A	0.391%
8/14/2026	Jones Financial Companies Lllp	730	$122K	0.0%	N/A	0.000%
8/14/2026	Sone Capital Management LLC	65,402	$10.90M	0.8%	N/A	0.014%
8/14/2026	Fiduciary Financial Advisors	1,150	$191K	0.0%	N/A	0.000%
8/14/2026	Manning & Napier Advisors LLC	548	$91K	0.0%	N/A	0.000%
8/14/2026	L2 Asset Management LLC	2,754	$459K	0.0%	N/A	0.001%
8/14/2026	Aberdeen Wealth Management LLC	2,436	$406K	0.2%	N/A	0.001%
8/13/2026	Cibc World Market Inc.	56,441	$9.41M	0.0%	N/A	0.012%
8/13/2026	OMERS ADMINISTRATION Corp	25,660	$4.28M	0.0%	N/A	0.005%
8/13/2026	Osmosis Investment Management UK Ltd	11,225	$1.87M	0.1%	N/A	0.002%
8/13/2026	Sanctuary Advisors LLC	75,698	$12.62M	0.1%	N/A	0.016%
Trump Takes Emergency Action - Plus Elon Musk's New Venture (Ad) Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Trump has issued emergency support to accelerate the rollout, and it's already live in multiple states. The Financial Times reports Sam Altman is personally calling people to build this for OpenAI. A few little-known companies control the entire supply chain - meaning anyone who wants access must go through them. Their stocks are available to buy right now. See which companies control the supply chain behind this emerging tech
8/13/2026	Solstein Capital LLC	231	$39K	0.0%	N/A	0.000%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	9,305	$1.55M	0.0%	N/A	0.002%
8/13/2026	Meiji Yasuda Asset Management Co Ltd.	13,211	$2.20M	0.1%	N/A	0.003%
8/13/2026	Te Ahumairangi Investment Management Ltd	42,777	$7.13M	1.2%	N/A	0.009%
8/13/2026	Haverford Trust Co	6,955	$1.16M	0.0%	N/A	0.001%
8/13/2026	First Nebraska Trust Co	1,305	$218K	0.0%	N/A	0.000%
8/13/2026	Bank of Nova Scotia	124,082	$20.68M	0.0%	N/A	0.026%
8/12/2026	Hudson Portfolio Management LLC	1,657	$276K	0.2%	N/A	0.000%
8/12/2026	Elevation Point Wealth Partners LLC	34,419	$5.74M	0.1%	N/A	0.007%
8/12/2026	Alta Advisers Ltd	1,878	$313K	0.1%	N/A	0.000%

MRSH Institutional Ownership - Frequently Asked Questions

During the previous two years, 1,787 institutional investors and hedge funds held shares of Marsh & McLennan Companies. The most heavily invested institutionals were California State Teachers Retirement System ($20.44B), Vanguard Group Inc. ($8.64B), BlackRock Inc. ($6.58B), FMR LLC ($4.51B), State Street Corp ($4.06B), Capital International Investors ($3.48B), and Capital World Investors ($3.14B).Learn more on Marsh & McLennan Companies' institutional investors.

87.99% of Marsh & McLennan Companies' stock is owned by institutional investors. Learn more on MRSH's institutional investor holdings.

Of the 1,622 institutional investors that purchased Marsh & McLennan Companies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($122.69M), BlackRock Inc. ($39.50M), State Street Corp ($21.98M), Wellington Management Group LLP ($21.76M), Norges Bank ($20.28M), Capital International Investors ($18.99M), and Capital World Investors ($17.02M).

Institutional investors have bought a total of 458,699,920 shares in the last 24 months. This purchase volume represents approximately $33.85B in transactions.

Of the 587 institutional investors that sold Marsh & McLennan Companies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Amundi ($2.48M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.75M), Robeco Institutional Asset Management B.V. ($1.59M), Nippon Life Insurance Co. ($1.31M), Ninety One UK Ltd ($1.18M), Ameriprise Financial Inc. ($1.07M), and Massachusetts Financial Services Co. MA ($1.01M).

Institutional investors have sold a total of 22,676,529 shares in the last 24 months. This volume of shares sold represents approximately $229.58M in transactions.

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Institutional ownership data for NYSE:MRSH is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/27/2026. New 13F filings are added each quarter as they're published.

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Marsh & McLennan Companies (MRSH) Institutional Ownership

MRSH Institutional Buying and Selling by Quarter

Marsh & McLennan Companies Major Shareholders & Ownership History

MRSH Institutional Ownership - Frequently Asked Questions

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Marsh & McLennan Companies (MRSH) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Marsh & McLennan Companies (NYSE:MRSH)

MRSH Institutional Buying and Selling by Quarter

Marsh & McLennan Companies Major Shareholders & Ownership History

MRSH Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRSH shares?

What percentage of Marsh & McLennan Companies' stock is owned by institutional investors?

Which institutional investors have been buying Marsh & McLennan Companies' stock?

How much institutional buying is happening at Marsh & McLennan Companies?

Which of Marsh & McLennan Companies' major shareholders have been selling company stock?

How much institutional selling is happening at Marsh & McLennan Companies?

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