How many institutions own MRSH stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own MRSH shares is 2048, representing 96.06% of the company's common stock.

Who are the major shareholders selling Marsh & McLennan Companies, Inc. stock?

LEGAL & GENERAL GROUP PLC, in the last quarter, reduced its stake in MRSH by -8.89% restricting it's holding to 2.79 million shares of worth nearly $465.59M. MORGAN STANLEY also lessened -2.47% of the MRSH shares from its portfolio, reducing its holding to 6.31 million shares of worth $1.05B. NORTHERN TRUST CORP also shunned MRSH shares holding by -1.55% last quarter which brought its holding to 4.89 million shares worth $814.71M.

Investors who are buying MRSH stock?

As per its latest 13F filing, INVESCO LTD. increased its stake in MRSH by 10.84% in the last quarter. The institutional holder raised its holding to 4.31 million shares having worth more than $717.64M. GOLDMAN SACHS GROUP INC also added 15.13% more shares of MRSH to its portfolio, raising its holding to 4.23 million shares of worth $704.79M. ARROWSTREET CAPITAL, LIMITED PARTNERSHIP also increased its MRSH shares holding by 20.71% which brought its holding to 4.17 million shares worth $695.03M.

MRSH's major insiders: who are they?

The insider with the most stakes in MRSH is Doyle John Q , President and CEO at the company. Additionally, MRSH stock is highly held by President and CEO of OWG Studer Nicholas Mark and Chief Client Officer South Martin among others.

Did an insider recently sell MRSH stock?

Company executives, directors, and other insiders own 0.1% percent of Marsh & McLennan Companies, Inc.'s stock. Within the last six months, there have been 7 transaction(s) in which MRSH insiders have sold stock, totaling 49.17K shares. Insiders that have sold shares include JONES JOHN JUDE, BESWICK PAUL, and SOUTH MARTIN.

Which insider recently purchased MRSH stock?

There have been 0 transaction(s) during the past 6-months in which Marsh & McLennan Companies, Inc. insiders have bought stock, totalling 0 shares

How much of MRSH does insiders own?

Around 203.81K Marsh & McLennan Companies, Inc. shares are held by insiders, which represents about 0.1% of MRSH stock.

Who is the insider with the largest stake?

MRSH President and CEO, Doyle John Q holds the largest portfolio of the company's shares. MRSH shares owned by Doyle total nearly 116.81 thousand.

Which institution holds the most shares in MRSH?

LEGAL & GENERAL GROUP PLC is the largest institutional owner in MRSH which holds 2.79 million shares worth $465.59M or 0.58% of the total MRSH shares outstanding followed by MORGAN STANLEY with ownership of 6.31 million shares representing 1.31% of the MRSH ownership. NORTHERN TRUST CORP is the third largest stakeholder with 4.89 million shares or 1.01% of the ownership worth more than $814.71M.

Is Marsh & McLennan Companies, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the MRSH is concerned, it is a stock which is optionable.

Is there a short position on MRSH's shares?

Number of MRSH shares short is 5.58M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding MRSH shares are there?

As of today, 484.12M shares of MRSH are outstanding.

Is there many float in MRSH stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, MRSH has 483.18M shares in float.

MRSH short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for MRSH is 1.65.

Marsh & McLennan Companies (MRSH) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares1.15

Short Percent Of Float1.16

Shares Outstanding484.12M

Shares Float483.18M

Shares Short5.58M

Short Ratio1.65

1.16%

Short % of Float

1.15%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.1% Percentage of Shares held by All Insiders

96.06% Percentage of Shares held by All Institutions

96.16% Percentage of Float held by Institutions

2048

Number of Institutions Holding Shares

Institutional Ownership

About 96.06% of MRSH shares are held by financial institutions. LEGAL & GENERAL GROUP PLC is the top corporate investor, holding 2.79M shares valued at $465.59M. A 0.58% stake in Marsh & McLennan Companies, Inc. is owned by the company. MORGAN STANLEY owns 6.31M shares valued at $1.05B, which translates its holding of 1.31% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Jun 30, 2026	LEGAL & GENERAL GROUP PLC	0.58%	2.79M	465.59M	-272.7K	-8.89%
Jun 30, 2026	MORGAN STANLEY	1.31%	6.31M	1.05B	-159.91K	-2.47%
Jun 30, 2026	NORTHERN TRUST CORP	1.01%	4.89M	814.71M	-76.91K	-1.55%
Jun 30, 2026	JPMORGAN CHASE & CO	0.98%	4.73M	788.59M	-1.36M	-22.37%
Jun 30, 2026	CLEARBRIDGE INVESTMENTS, LLC	0.98%	4.71M	784.32M	-1.72M	-26.74%
Jun 30, 2026	UBS ASSET MANAGEMENT AMERICAS INC	0.95%	4.6M	766.29M	-584.87K	-11.29%
Jun 30, 2026	INVESCO LTD.	0.89%	4.31M	717.64M	421K	+10.84%
Jun 30, 2026	GOLDMAN SACHS GROUP INC	0.88%	4.23M	704.79M	555.67K	+15.13%
Jun 30, 2026	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.87%	4.17M	695.03M	715.52K	+20.71%
Jun 30, 2026	DEUTSCHE BANK AG\	0.85%	4.11M	685.62M	409.47K	+11.05%
Jun 30, 2026	NINETY ONE UK LTD	0.82%	3.97M	661.93M	-57.62K	-1.43%
Jun 30, 2026	AMERICAN CENTURY COMPANIES INC	0.8%	3.88M	646.3M	-356.59K	-8.42%
Jun 30, 2026	EDGEPOINT INVESTMENT GROUP INC.	0.79%	3.82M	636.71M	3.82M	+100.00%
Jun 30, 2026	UBS GROUP AG	0.75%	3.6M	600.6M	-1.12M	-23.67%
Jun 30, 2026	BANK OF AMERICA CORP /DE/	0.72%	3.46M	575.85M	-1.48M	-30.06%
Jun 30, 2026	NUVEEN, LLC	0.72%	3.45M	575.33M	-715.59K	-17.17%
Jun 30, 2026	BANK OF NEW YORK MELLON CORP	0.66%	3.19M	532.44M	-59.45K	-1.83%
Jun 30, 2026	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.64%	3.07M	512.08M	39.26K	+1.29%
Jun 30, 2026	SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.	0.64%	3.07M	512.08M	3.07M	+100.00%
Jun 30, 2026	AMUNDI	0.6%	2.88M	480.74M	585.54K	+25.47%
Jun 30, 2026	ROYAL BANK OF CANADA	0.58%	2.81M	468.99M	-502.7K	-15.16%
Jun 30, 2026	BLACKROCK, INC.	8.2%	39.5M	6.58B	-2.56M	-6.09%
Jun 30, 2026	BEUTEL, GOODMAN & CO LTD.	0.33%	1.57M	262.32M	794.12K	+101.84%
Jun 30, 2026	VERITAS INVESTMENT PARTNERS (UK) LTD.	0.31%	1.52M	252.81M	-163.19K	-9.71%
Jun 30, 2026	BNP PARIBAS ARBITRAGE, SNC	0.31%	1.5M	249.66M	-1.07M	-41.64%
Jun 30, 2026	FRANKLIN RESOURCES INC	0.31%	1.49M	247.61M	-52.31K	-3.40%
Jun 30, 2026	SWISS NATIONAL BANK	0.28%	1.36M	226.5M	-78.8K	-5.48%
Jun 30, 2026	FIRST TRUST ADVISORS LP	0.27%	1.32M	219.92M	-12.89K	-0.97%
Jun 30, 2026	NIPPON LIFE INSURANCE CO	0.27%	1.31M	218.56M	0	0
Jun 30, 2026	SWEDBANK AB	0.27%	1.3M	216.91M	196.19K	+17.75%
Jun 30, 2026	MITSUBISHI UFJ KOKUSAI ASSET MANAGEMENT CO., LTD.	0.25%	1.2M	200.06M	77.99K	+6.95%
Jun 30, 2026	DEKABANK DEUTSCHE GIROZENTRALE	0.25%	1.19M	207.51M	0	0
Jun 30, 2026	GREAT WEST LIFE ASSURANCE CO /CAN/	0.24%	1.16M	192.12M	-181.98K	-13.61%
Jun 30, 2026	NATIONAL PENSION SERVICE	0.23%	1.13M	188.1M	1.13M	+100.00%
Jun 30, 2026	SUMITOMO MITSUI TRUST GROUP, INC.	0.23%	1.1M	183.45M	6.46K	+0.59%
Jun 30, 2026	VANGUARD GLOBAL ADVISERS, LLC	0.23%	1.1M	183.19M	1.01K	+0.09%
Jun 30, 2026	VANGUARD ASSET MANAGEMENT, LTD	0.23%	1.09M	181.63M	109.43K	+11.16%
Jun 30, 2026	MARSHALL WACE, LLP	0.22%	1.04M	173.9M	438.35K	+72.45%
Jun 30, 2026	ENVESTNET ASSET MANAGEMENT INC	0.21%	998.09K	166.35M	-135.4K	-11.95%
Jun 30, 2026	NORGES BANK	1.3%	6.26M	1.04B	6.26M	+100.00%
Jun 30, 2026	VANGUARD CAPITAL MANAGEMENT LLC	6.53%	31.47M	5.25B	4.9K	+0.02%
Jun 30, 2026	STATE STREET CORP	4.65%	22.4M	3.73B	330.73K	+1.50%
Jun 30, 2026	CAPITAL WORLD INVESTORS	3.76%	18.12M	3.02B	153.16K	+0.85%
Jun 30, 2026	WELLINGTON MANAGEMENT GROUP LLP	3.52%	16.98M	2.83B	-395.47K	-2.28%
Jun 30, 2026	VANGUARD FIDUCIARY TRUST CO	0.56%	2.71M	450.98M	-27.95K	-1.02%
Jun 30, 2026	AQR CAPITAL MANAGEMENT LLC	0.54%	2.61M	432.11M	-1.07M	-29.03%
Jun 30, 2026	WELLS FARGO & COMPANY/MN	0.52%	2.51M	418.38M	-68.78K	-2.67%
Jun 30, 2026	STIFEL FINANCIAL CORP	0.46%	2.21M	368.74M	-94.96K	-4.12%
Jun 30, 2026	PRIMECAP MANAGEMENT CO/CA/	0.45%	2.15M	357.51M	1.43M	+198.96%
Jun 30, 2026	LONDON & CAPITAL ASSET MANAGEMENT LTD	0.43%	2.09M	348.2M	66.74K	+3.30%
Jun 30, 2026	ALLIANCEBERNSTEIN L.P.	0.43%	2.06M	357.52M	79.97K	+4.04%
Jun 30, 2026	PARNASSUS INVESTMENTS, LLC	0.42%	2.05M	341.28M	-162.82K	-7.37%
Jun 30, 2026	DIMENSIONAL FUND ADVISORS LP	0.42%	2.02M	337.12M	-11.26K	-0.55%
Jun 30, 2026	MAWER INVESTMENT MANAGEMENT LTD.	0.39%	1.87M	311.87M	-1.6M	-46.16%
Jun 30, 2026	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.39%	1.87M	311.19M	294.13K	+18.70%
Jun 30, 2026	RATHBONES GROUP PLC	0.36%	1.73M	288.84M	376.06K	+27.71%
Jun 30, 2026	CAPITAL INTERNATIONAL INVESTORS	3.26%	15.73M	2.62B	15.6K	+0.10%
Jun 30, 2026	GEODE CAPITAL MANAGEMENT, LLC	2.8%	13.51M	2.25B	106.1K	+0.79%
Jun 30, 2026	PRICE T ROWE ASSOCIATES INC /MD/	2.79%	13.44M	2.24B	2.46M	+22.43%
Jun 30, 2026	CI PRIVATE WEALTH, LLC	2.66%	12.84M	66.47M	12.62M	+5,667.25%
Jun 30, 2026		2.61%	12.57M	2.1B	142.57K	+1.15%
Jun 30, 2026	FMR LLC	1.44%	6.95M	1.16B	-3.23M	-31.69%
Jun 30, 2026	AMERIPRISE FINANCIAL INC	1.15%	5.54M	922.15M	46.6K	+0.85%
Jun 30, 2026	VANGUARD PORTFOLIO MANAGEMENT LLC	2.61%	12.57M	2.1B	142.57K	+1.15%
Jun 30, 2026	CAPITAL RESEARCH GLOBAL INVESTORS	2.28%	10.97M	1.83B	-327.54K	-2.90%
Jun 30, 2026	HARRIS ASSOCIATES L P	1.8%	8.69M	1.45B	3.52M	+68.07%
Jun 30, 2026	ARTISAN PARTNERS LIMITED PARTNERSHIP	1.51%	7.27M	1.21B	2.39M	+49.09%
Jun 30, 2026	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.35%	6.51M	1.09B	-1.69M	-20.64%
Mar 31, 2026	BANK OF NEW YORK MELLON CORP	0.67%	3.25M	564.41M	-67.68K	-2.04%
Mar 31, 2026	BARCLAYS PLC	0.28%	1.38M	238.56M	-86.95K	-5.95%
Mar 31, 2026	RATHBONES GROUP PLC	0.28%	1.36M	235.37M	24.82K	+1.86%
Mar 31, 2026	VANGUARD CAPITAL MANAGEMENT LLC	6.5%	31.47M	5.46B	31.47M	+100.00%
Mar 31, 2026	LEGAL & GENERAL GROUP PLC	0.63%	3.07M	531.83M	-79.99K	-2.54%
Mar 31, 2026	UBS GROUP AG	0.98%	4.72M	818.87M	933.63K	+24.65%
Mar 31, 2026	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.63%	3.03M	526.1M	82.25K	+2.79%
Mar 31, 2026	VANGUARD FIDUCIARY TRUST CO	0.56%	2.73M	474.17M	2.73M	+100.00%
Mar 31, 2026	WELLS FARGO & COMPANY/MN	0.53%	2.58M	447.33M	134.34K	+5.50%
Mar 31, 2026	BNP PARIBAS ARBITRAGE, SNC	0.53%	2.57M	445.17M	1.13M	+78.16%
Mar 31, 2026	STIFEL FINANCIAL CORP	0.48%	2.31M	400.21M	148.97K	+6.90%
Mar 31, 2026	AMUNDI	0.48%	2.3M	398.73M	-1.07M	-31.68%
Mar 31, 2026	PARNASSUS INVESTMENTS, LLC	0.46%	2.21M	383.4M	36.82K	+1.69%
Mar 31, 2026	DIMENSIONAL FUND ADVISORS LP	0.42%	2.03M	352.82M	4.09K	+0.20%
Mar 31, 2026	LONDON & CAPITAL ASSET MANAGEMENT LTD	0.42%	2.02M	350.95M	123.75K	+6.51%
Mar 31, 2026	ALLIANCEBERNSTEIN L.P.	0.41%	1.98M	367.57M	142.05K	+7.72%
Mar 31, 2026	D. E. SHAW & CO., INC.	0.36%	1.73M	299.99M	-866.46K	-33.38%
Mar 31, 2026	VERITAS INVESTMENT PARTNERS (UK) LTD.	0.35%	1.68M	291.47M	-73.27K	-4.18%
Mar 31, 2026	LAZARD ASSET MANAGEMENT LLC	0.34%	1.62M	281.64M	-85.46K	-5.00%
Mar 31, 2026	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.33%	1.57M	272.83M	46.72K	+3.06%
Mar 31, 2026	FRANKLIN RESOURCES INC	0.32%	1.54M	266.76M	-16.46K	-1.06%
Mar 31, 2026	SWISS NATIONAL BANK	0.3%	1.44M	249.39M	89.5K	+6.64%
Mar 31, 2026	AMERICAN CENTURY COMPANIES INC	0.87%	4.23M	734.44M	1.9M	+81.69%
Mar 31, 2026	NUVEEN, LLC	0.86%	4.17M	722.85M	309.33K	+8.02%
Mar 31, 2026	NINETY ONE UK LTD	0.83%	4.03M	698.85M	487.14K	+13.75%
Mar 31, 2026	INVESCO LTD.	0.8%	3.88M	673.81M	423.9K	+12.25%
Mar 31, 2026	DEUTSCHE BANK AG\	0.77%	3.7M	642.49M	335.99K	+9.98%
Mar 31, 2026	AQR CAPITAL MANAGEMENT LLC	0.76%	3.67M	637.25M	2.2M	+148.58%
Mar 31, 2026	GOLDMAN SACHS GROUP INC	0.76%	3.67M	637.07M	-342.22K	-8.52%
Mar 31, 2026	MAWER INVESTMENT MANAGEMENT LTD.	0.72%	3.48M	602.84M	-430.1K	-11.01%
Mar 31, 2026	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.71%	3.45M	599.2M	697.54K	+25.30%
Mar 31, 2026	ROYAL BANK OF CANADA	0.69%	3.32M	575.26M	148.68K	+4.69%
Mar 31, 2026	BLACKROCK, INC.	8.69%	42.06M	7.3B	1.62M	+4.00%
Mar 31, 2026	STATE STREET CORP	4.56%	22.07M	3.83B	199.01K	+0.91%
Mar 31, 2026	CAPITAL WORLD INVESTORS	3.71%	17.97M	3.12B	1.04M	+6.17%
Mar 31, 2026	WELLINGTON MANAGEMENT GROUP LLP	3.59%	17.37M	3.01B	1.37M	+8.58%
Mar 31, 2026	POLAR CAPITAL HOLDINGS PLC	0.25%	1.22M	211.61M	255K	+26.42%
Mar 31, 2026	JENSEN INVESTMENT MANAGEMENT INC	0.24%	1.15M	199.68M	66.89K	+6.17%
Mar 31, 2026	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.23%	1.11M	191.81M	-158.82K	-12.56%
Mar 31, 2026	SWEDBANK AB	0.23%	1.11M	191.71M	-597	-0.05%
Mar 31, 2026	HSBC HOLDINGS PLC	0.2%	985.68K	171.36M	-153.81K	-13.50%
Mar 31, 2026	CAPITAL INTERNATIONAL INVESTORS	3.25%	15.71M	2.73B	-3.05M	-16.27%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	2.77%	13.4M	2.32B	1.76M	+15.12%
Mar 31, 2026	CAPITAL RESEARCH GLOBAL INVESTORS	2.34%	11.3M	1.96B	3.31M	+41.48%
Mar 31, 2026	PRICE T ROWE ASSOCIATES INC /MD/	2.27%	10.98M	1.9B	1.76M	+19.08%
Mar 31, 2026	FMR LLC	2.1%	10.18M	1.77B	-5.04M	-33.13%
Mar 31, 2026	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.69%	8.2M	1.42B	-462.15K	-5.34%
Mar 31, 2026	GREAT WEST LIFE ASSURANCE CO /CAN/	0.28%	1.34M	232.88M	20.41K	+1.55%
Mar 31, 2026	FIRST TRUST ADVISORS LP	0.28%	1.33M	231.1M	62.35K	+4.91%
Mar 31, 2026	NIPPON LIFE INSURANCE CO	0.27%	1.31M	227.45M	0	0
Mar 31, 2026	RAYMOND JAMES FINANCIAL INC	0.25%	1.23M	213.01M	211.28K	+20.78%
Mar 31, 2026		2.57%	12.43M	2.16B	12.43M	+100.00%
Mar 31, 2026	MORGAN STANLEY	1.34%	6.47M	1.12B	-396.74K	-5.77%
Mar 31, 2026	CLEARBRIDGE INVESTMENTS, LLC	1.33%	6.42M	1.11B	1.35M	+26.53%
Mar 31, 2026	JPMORGAN CHASE & CO	1.26%	6.09M	1.06B	1.81M	+42.41%
Mar 31, 2026	AMERIPRISE FINANCIAL INC	1.13%	5.49M	951.61M	697.73K	+14.56%
Mar 31, 2026	UBS ASSET MANAGEMENT AMERICAS INC	1.07%	5.18M	898.91M	636.85K	+14.01%
Mar 31, 2026	HARRIS ASSOCIATES L P	1.07%	5.17M	896.58M	5.17M	+100.00%
Mar 31, 2026	NORTHERN TRUST CORP	1.03%	4.97M	861.19M	-332.48K	-6.28%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	1.02%	4.94M	856.78M	-582.95K	-10.56%
Mar 31, 2026	ARTISAN PARTNERS LIMITED PARTNERSHIP	1.01%	4.88M	845.72M	1.52M	+45.21%

Insiders

Among the MRSH insiders holding of 0.1% of the stake in company, DOYLE JOHN Q, President and CEO, holds the largest shares of 116.81K. STUDER NICHOLAS MARK, President and CEO of OWG, is the second largest MRSH insider with ownership of 32.54K shares. SOUTH MARTIN, Chief Client Officer, stands third with possession of 16.63K shares of that stake.

Insiders	Designation	Shares Held
DOYLE JOHN Q	President and CEO	116.81K
STUDER NICHOLAS MARK	President and CEO of OWG	32.54K
SOUTH MARTIN	Chief Client Officer	16.63K
BESWICK PAUL	SVP, Chief Information Officer	16.38K
YATES LLOYD M	director	12K
JONES JOHN JUDE	Chief Marketing Officer	1.48K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Aug 06, 2026	JONES JOHN JUDE	SALE	191.96	6.5K	1.25M	1.48K
Jul 29, 2026	BESWICK PAUL	SALE	198.00	713	141.17K	16.38K
Jul 28, 2026	SOUTH MARTIN	SALE	189.99	7.1K	1.35M	16.63K
Jul 23, 2026	YATES LLOYD M	SALE	175.65	12K	2.11M	12K
Mar 11, 2026	JONES JOHN JUDE	SALE	173.61	2.36K	410.07K	7.98K
Mar 04, 2026	DOYLE JOHN Q	SALE	183.30	16.66K	3.05M	116.81K
Mar 03, 2026	STUDER NICHOLAS MARK	SALE	184.03	3.84K	706.12K	32.54K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES49.17K7

NET SHARES-49.17K7

SHARES HELD203.81K7

% NET SHARES-124.12%0%

Frequently Asked Questions