Merck discloses $526M in reportable 13F holdings

Merck & Co., Inc., as an institutional investment manager, filed a Form 13F holdings report covering its reportable equity investment positions.

Rhea-AI Filing Summary

Merck & Co., Inc., as an institutional investment manager, filed a Form 13F holdings report covering its reportable equity investment positions. The report lists 1 other included manager, Merck Sharp & Dohme LLC, and an information table totaling 13 reportable entries with an aggregate reported value of $526,407,169, rounded to the nearest dollar. The report is signed by Corporate Secretary Kelly Grez, who certifies the accuracy and completeness of the information submitted.

Key Figures

Form 13F Information Table Value Total: $526,407,169 Form 13F Information Table Entry Total: 13 entries Number of Other Included Managers: 1 manager

3 metrics

Form 13F Information Table Value Total $526,407,169 Aggregate reported value of all 13F information table entries, rounded to nearest dollar

Form 13F Information Table Entry Total 13 entries Total number of reportable holdings listed in the information table

Number of Other Included Managers 1 manager Other included manager listed: Merck Sharp & Dohme LLC

Key Terms

Form 13F, Institutional Investment Manager, 13F HOLDINGS REPORT

3 terms

Form 13F regulatory

"Form 13F Information Table Entry Total"

A Form 13F is a quarterly filing that large investment managers must submit to disclose their holdings in publicly traded stocks and certain other securities. It acts like a peek into the portfolios of big investors, helping other market participants see what large players are buying or selling and offering clues about investment trends, crowded trades, and potential market impact.

Institutional Investment Manager regulatory

"The institutional investment manager filing this report"

13F HOLDINGS REPORT regulatory

"13F HOLDINGS REPORT. (Check here if all holdings"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Merck (MRK) report in this Form 13F filing?

Merck & Co., Inc. reports its Form 13F as a 13F HOLDINGS REPORT, disclosing equity investment positions subject to 13F reporting. The filing summarizes 13 entries with a total reported value of $526,407,169, rounded to the nearest dollar.

How many positions and what total value does Merck (MRK) report on Form 13F?

Merck reports 13 information table entries on its Form 13F, with an aggregate reported value of $526,407,169. This total is stated as rounded to the nearest dollar for the holdings covered in the report.

Does Merck (MRK) file this Form 13F alone or with other managers?

Merck files the Form 13F with 1 other included manager, identified as Merck Sharp & Dohme LLC. The filing indicates it is a 13F HOLDINGS REPORT, meaning all holdings of the reporting manager are included in this report.

Who signed Merck’s (MRK) Form 13F and in what capacity?

The Form 13F is signed by Kelly Grez, acting as Corporate Secretary of Merck & Co., Inc. The signature certifies that the information submitted is true, correct, and complete, and that the signer is authorized to submit the report.

What type of Form 13F report did Merck (MRK) file?

Merck filed a 13F HOLDINGS REPORT, indicating that all of its reportable holdings are disclosed in this single filing. The alternatives, 13F NOTICE and 13F COMBINATION REPORT, are not selected in this submission.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/07/2026 - 04:04 PM Accepted by SEC EDGAR 08/07/2026 - 04:03 PM Learn about SEC filing dates

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 06-30-2026

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	Merck & Co., Inc.
Address:	126 EAST LINCOLN AVENUE
	P.O. BOX 2000
	RAHWAY, NJ 07065
Form 13F File Number:	028-25193
CRD Number (if applicable):
SEC File Number (if applicable):

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Kelly Grez
Title:		Corporate Secretary
Phone:		9087404000
Signature, Place, and Date of Signing:
/s/ Kelly Grez			Rahway, NJ	08-07-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
X	13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
	13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		1
	Form 13F Information Table Entry Total:		13
	Form 13F Information Table Value Total:		526,407,169
			(round to nearest dollar)

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
	No.	Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
	1	MERCK SHARP & DOHME LLC				0000064978