Who Owns MARSH & MCLENNAN COS INC (MMC)? -- Institutional Holders (2026-03-31)

Name: MARSH & MCLENNAN COS INC (MMC) Institutional Holders (2026-03-31)
Creator: ko.io

1,692 institutions reported holding $76.19B of MARSH & MCLENNAN COS INC (MMC) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($7.30B), VANGUARD CAPITAL MANAGEMENT LLC ($5.46B), STATE STREET CORP ($3.83B), Capital World Investors ($3.12B), WELLINGTON MANAGEMENT GROUP LLP ($3.01B). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	BlackRock, Inc.	$7.30B	42.1M	Added
2	VANGUARD CAPITAL MANAGEMENT LLC	$5.46B	31.5M	New
3	STATE STREET CORP	$3.83B	22.1M	Added
4	Capital World Investors	$3.12B	18.0M	Added
5	WELLINGTON MANAGEMENT GROUP LLP	$3.01B	17.4M	Added
6	Capital International Investors	$2.73B	15.7M	Trimmed
7	GEODE CAPITAL MANAGEMENT, LLC	$2.32B	13.4M	Added
8	VANGUARD PORTFOLIO MANAGEMENT LLC	$2.16B	12.4M	New
9	Capital Research Global Investors	$1.96B	11.3M	Added
10	PRICE T ROWE ASSOCIATES INC /MD/	$1.90B	11.0M	Added
11	FMR LLC	$1.77B	10.2M	Trimmed
12	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$1.42B	8.2M	Trimmed
13	MORGAN STANLEY	$1.12B	6.5M	Trimmed
14	Clearbridge Investments, LLC	$1.11B	6.4M	Added
15	JPMORGAN CHASE & CO	$1.06B	6.1M	Added
16	AMERIPRISE FINANCIAL INC	$951.6M	5.5M	Added
17	UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC	$898.9M	5.2M	Added
18	HARRIS ASSOCIATES L P	$896.6M	5.2M	New
19	NORTHERN TRUST CORP	$861.2M	5.0M	Trimmed
20	BANK OF AMERICA CORP /DE/	$856.8M	4.9M	Trimmed
21	Artisan Partners Limited Partnership	$845.7M	4.9M	Added
22	UBS Group AG	$819.8M	4.7M	Added
23	AMERICAN CENTURY COMPANIES INC	$734.4M	4.2M	Added
24	Nuveen, LLC	$722.9M	4.2M	Added
25	Ninety One UK Ltd	$698.9M	4.0M	Added

Source: SEC Form 13F filings · as of 2026-03-31