MARSH & MCLENNAN COMPANIES, INC.

MRSHNYSE

$170.06-1.79 (-1.04%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MARSH & MCLENNAN COMPANIES, INC. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-14.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	8.26%	$6.58B	0.10%	Not reported
Vanguard Capital Management LLC	6.58%	$5.25B	0.11%	Not reported
State Street Corp	4.69%	$3.73B	0.11%	Not reported
Capital World Investors	3.79%	$3.02B	0.36%	Add 0.85%
Wellington Management Group LLP	3.55%	$2.83B	0.49%	Reduce 2.28%
Capital International Investors	3.29%	$2.62B	0.54%	Add 0.10%
Geode Capital Management, LLC	2.83%	$2.25B	0.12%	Not reported
Vanguard Portfolio Management LLC	2.63%	$2.1B	0.09%	Not reported
Capital Research Global Investors	2.30%	$1.83B	0.26%	Not reported
Harris Associates L P	1.82%	$1.45B	1.92%	Add 68.07%
Artisan Partners Limited Partnership	1.52%	$1.21B	1.92%	Add 49.09%
FMR LLC	1.45%	$1.16B	0.05%	Not reported
Massachusetts Financial Services Co	1.36%	$1.09B	0.35%	Reduce 20.64%
Morgan Stanley	1.32%	$1.05B	0.06%	Not reported
Norges Bank	1.31%	$1.04B	0.10%	Not reported
Ameriprise Financial Inc	1.16%	$922M	0.19%	Not reported
Northern Trust Corp	1.02%	$815M	0.09%	Not reported
JPMorgan Chase & Co	0.99%	$789M	0.04%	Not reported
Clearbridge Investments, LLC	0.98%	$784M	0.65%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.96%	$766M	0.14%	Not reported
Invesco Ltd.	0.90%	$718M	0.06%	Not reported
Goldman Sachs Group Inc	0.88%	$705M	0.06%	Not reported
Arrowstreet Capital, Limited Partnership	0.87%	$695M	0.31%	Not reported
Deutsche Bank Ag\	0.86%	$686M	0.20%	Not reported
Ninety One UK Ltd	0.83%	$662M	1.48%	Reduce 1.43%
American Century Companies Inc	0.81%	$646M	0.29%	Not reported
EdgePoint Investment Group Inc.	0.80%	$637M	4.81%	New Not reported
UBS Group AG	0.75%	$601M	0.08%	Not reported
Bank of America Corp	0.72%	$576M	0.04%	Not reported
Nuveen, LLC	0.72%	$575M	0.14%	Not reported
Bank of New York Mellon Corp	0.67%	$532M	0.09%	Not reported
Charles Schwab Investment Management Inc	0.64%	$512M	0.07%	Not reported
Amundi	0.60%	$481M	0.12%	Not reported
Royal Bank of Canada	0.59%	$469M	0.07%	Not reported
Legal & General Group Plc	0.58%	$466M	0.10%	Not reported
Vanguard Fiduciary Trust Co	0.57%	$451M	0.10%	Not reported
AQR Capital Management LLC	0.55%	$432M	0.15%	Not reported
Wells Fargo & Company	0.53%	$418M	0.07%	Not reported
Stifel Financial Corp	0.46%	$369M	0.31%	Not reported
Primecap Management Co	0.45%	$358M	0.21%	Add 198.96%
W1M Asset Management Ltd	0.44%	$348M	3.19%	Add 3.30%
Alliancebernstein L.P.	0.43%	$358M	0.12%	Not reported
Parnassus Investments, LLC	0.43%	$341M	0.91%	Reduce 7.37%
Dimensional Fund Advisors LP	0.42%	$337M	0.06%	Not reported
Mawer Investment Management Ltd.	0.39%	$312M	2.12%	Reduce 46.16%
Manufacturers Life Insurance Company, the	0.39%	$311M	0.24%	Not reported
Rathbones Group PLC	0.36%	$289M	1.06%	Reduce 36.14%
Canada Pension Plan Investment Board	0.34%	$268M	0.15%	Add 98.34%
Beutel, Goodman & Co Ltd.	0.33%	$262M	1.93%	Add 101.84%
Navera Investment Management Ltd.	0.32%	$253M	6.78%	Reduce 9.71%

50 of 1,423 holders

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