Merck & Co. (NYSE: MRK) reports $228M in 13F holdings

Rhea-AI Filing Summary

Merck & Co., Inc. filed a Form 13F reporting its institutional holdings.

The filing lists 13 reported positions with a total market value of $228,030,003 and is signed by Kelly Grez on 11-12-2025.

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: 09-30-2025

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:		908-740-4000
Signature, Place, and Date of Signing:
/s/ Kelly Grez			Rahway, NJ	11-12-2025
[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:		228,030,003
			(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

FAQ

What did Merck (MRK) report on its Form 13F?

Merck reported a Form 13F disclosing institutional holdings with 13 reported positions and a total market value of $228,030,003. The report was signed by Kelly Grez on 11-12-2025, and includes one other included manager.

How many holdings and what total value are shown for MRK in this 13F?

The Form 13F shows 13 holdings and a combined value of $228,030,003. These figures appear on the report summary page and represent the manager's reported positions as of the filing.

Who filed the 13F on behalf of Merck and when was it signed?

The Form 13F was filed by Merck & Co., Inc. and signed by Kelly Grez, Corporate Secretary. The signature block shows the filing was signed on 11-12-2025 in Rahway, NJ.

Does the 13F indicate any major transactions or changes for MRK?

The filing is a holdings report listing positions and aggregate value; it does not disclose specific transactional intentions or new large transactions. It provides a snapshot of reported holdings totaling $228,030,003 across 13 entries.