Who Owns MARSH & MCLENNAN COS INC (MRSH)? -- Institutional Holders (2026-06-30)

1,664 institutions reported holding $73.61B of MARSH & MCLENNAN COS INC (MRSH) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($8.20B), BlackRock, Inc. ($6.58B), STATE STREET CORP ($3.73B), Capital World Investors ($3.02B), WELLINGTON MANAGEMENT GROUP LLP ($2.83B). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1VANGUARD GROUP INC$8.20B49.2MAdded
2BlackRock, Inc.$6.58B39.5MTrimmed
3STATE STREET CORP$3.73B22.4MAdded
4Capital World Investors$3.02B18.1MAdded
5WELLINGTON MANAGEMENT GROUP LLP$2.83B17.0MTrimmed
6Capital International Investors$2.62B15.7MAdded
7GEODE CAPITAL MANAGEMENT, LLC$2.25B13.5MAdded
8PRICE T ROWE ASSOCIATES INC /MD/$2.24B13.4MAdded
9Capital Research Global Investors$1.83B11.0MTrimmed
10HARRIS ASSOCIATES L P$1.45B8.7MAdded
11Artisan Partners Limited Partnership$1.21B7.3MAdded
12FMR LLC$1.16B7.0MTrimmed
13MASSACHUSETTS FINANCIAL SERVICES CO /MA/$1.09B6.5MTrimmed
14MORGAN STANLEY$1.05B6.3MTrimmed
15NORGES BANK$1.04B6.3MTrimmed
16AMERIPRISE FINANCIAL INC$922.1M5.5MAdded
17NORTHERN TRUST CORP$814.7M4.9MTrimmed
18JPMORGAN CHASE & CO$788.6M4.7MTrimmed
19Clearbridge Investments, LLC$784.3M4.7MTrimmed
20UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC$766.3M4.6MTrimmed
21Invesco Ltd.$717.6M4.3MAdded
22GOLDMAN SACHS GROUP INC$704.8M4.2MAdded
23ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$695.0M4.2MAdded
24DEUTSCHE BANK AG\$685.6M4.1MAdded
25Ninety One UK Ltd$661.9M4.0MTrimmed

Source: SEC Form 13F filings · as of 2026-06-30