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Schedule 13G/A

MRK Schedule 13G/A filing by BlackRock

BlackRock reported beneficial ownership of 201.8M shares, representing 8% of Merck & Co., Inc. in this filing.

FiledJan 26, 2024
Ownership dateDec 31, 2023
Reported shares201.8M
Reported ownership8%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 201.8M
Shared voting power 201.8M
Sole dispositive power 201.8M
Shared dispositive power 201.8M
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date—
Latest tracked price$128.33as of Aug 5, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
BlackRock
CIK
CIK0001364742
Accession
0001086364-24-004323
Form
Schedule 13G/A
Open SEC filing View MRK ownership history
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.

How to read a Schedule 13G → Does a 13G mean the shares were just bought? → Filing date vs. ownership date →