Who Owns MERCK & CO INC (MRK)? -- Institutional Holders (2026-06-30)

3,950 institutions reported holding $266.88B of MERCK & CO INC (MRK) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($32.81B), BlackRock, Inc. ($29.17B), STATE STREET CORP ($15.57B), WELLINGTON MANAGEMENT GROUP LLP ($11.08B), GEODE CAPITAL MANAGEMENT, LLC ($7.79B). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1VANGUARD GROUP INC$32.81B255.3MAdded
2BlackRock, Inc.$29.17B227.0MAdded
3STATE STREET CORP$15.57B120.4MAdded
4WELLINGTON MANAGEMENT GROUP LLP$11.08B86.2MAdded
5GEODE CAPITAL MANAGEMENT, LLC$7.79B60.7MAdded
6CHARLES SCHWAB INVESTMENT MANAGEMENT INC$6.99B54.4MAdded
7Sixth Street Partners Management Company, L.P.$6.99B54.4MNew
8MORGAN STANLEY$6.25B48.6MAdded
9JPMORGAN CHASE & CO$6.04B46.7MTrimmed
10FMR LLC$5.84B45.4MAdded
11Fisher Asset Management, LLC$4.95B38.5MAdded
12NORGES BANK$4.75B37.0MTrimmed
13BANK OF AMERICA CORP /DE/$3.92B30.5MTrimmed
14NORTHERN TRUST CORP$3.38B26.3MTrimmed
15GOLDMAN SACHS GROUP INC$3.04B23.6MAdded
16FRANKLIN RESOURCES INC$2.51B19.5MAdded
17UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC$2.51B19.5MTrimmed
18Legal & General Group Plc$2.43B18.9MTrimmed
19Invesco Ltd.$2.39B18.6MTrimmed
20PRICE T ROWE ASSOCIATES INC /MD/$2.38B18.5MTrimmed
21Bank of New York Mellon Corp$2.36B18.3MTrimmed
22DIMENSIONAL FUND ADVISORS LP$2.25B17.5MAdded
23AMERIPRISE FINANCIAL INC$2.24B17.4MAdded
24Capital International Investors$1.98B15.4MAdded
25Royal Bank of Canada$1.92B14.9MAdded

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