Merck & Co. (MRK) reports $349.4M in 13F holdings — 14 positions

Rhea-AI Filing Summary

Merck & Co., Inc. filed a Form 13F institutional holdings report signed May 13, 2026. The filing lists 14 reported holdings with a Form 13F information table value total of $349,437,632. The report names one other included manager, Merck Sharp & Dohme LLC.

Key Figures

Form 13F Information Table Value Total: $349,437,632 Form 13F Information Table Entry Total: 14 holdings Number of Other Included Managers: 1 +1 more

4 metrics

Form 13F Information Table Value Total $349,437,632 Form 13F summary page, rounded to nearest dollar

Form 13F Information Table Entry Total 14 holdings Form 13F summary page entry total

Number of Other Included Managers 1 Form 13F cover summary listing other included managers

Signature Date 05-13-2026 Signature block signed by Kelly Grez, Corporate Secretary

Key Terms

Form 13F, Institutional investment manager, Other Included Managers

3 terms

Form 13F regulatory

"Form 13F Information Table Value Total: 349,437,632"

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 financial

"The institutional investment manager filing this report Name: Merck & Co., Inc."

Other Included Managers regulatory

"List of Other Included Managers ... MERCK SHARP & DOHME LLC"

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: 03-31-2026

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	05-13-2026
[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:		14
	Form 13F Information Table Value Total:		349,437,632
			(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 does Merck's (MRK) Form 13F filed May 13, 2026 show?

The filing shows Merck & Co., Inc. reported 14 holdings in its 13F information table with a total value of $349,437,632. The report also lists one other included manager, Merck Sharp & Dohme LLC, and is signed May 13, 2026.

Who signed Merck's 13F report and when was it signed?

The report was signed by Kelly Grez, Corporate Secretary. The signature block shows place as Rahway, NJ with the date 05-13-2026, attesting to the accuracy of the reported holdings.

How many holdings and what total value are reported in Merck's 13F?

The Form 13F information table entry total lists 14 holdings and the aggregate table value is $349,437,632, rounded to the nearest dollar, as stated on the form's summary page.

Does Merck's 13F indicate other managers are included?

Yes. The report states Number of Other Included Managers: 1 and names the manager as Merck Sharp & Dohme LLC in the provided list of other included managers on the cover pages.

Is there an indication this 13F is an amendment or restatement?

The cover page includes checkboxes for amendments and restatements but provides no checked box text in the excerpt. The filing content provided does not state that this submission is an amendment or restatement.