MRK

MERCK & CO. INC.
USCUSIP 58933Y105
Institutional Owners
678
+54 QoQ
13F Value Held
$61.3B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)59 adding · 40 trimming
Insider net (180d)+$0
Price history not yet available for MRK.

Top institutional holders

678 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$19.4B
160.99MNewQ1 2026
2STATE STREET CORP
$14.5B
119.33MReducedQ1 2026
3VANGUARD PORTFOLIO MANAGEMENT LLC
$8.1B
67.30MNewQ1 2026
4VANGUARD FIDUCIARY TRUST CO
$1.7B
13.96MNewQ1 2026
5Grantham, Mayo, Van Otterloo & Co. LLC
$843.7M
7.01MAddedQ1 2026
6Aristotle Capital Management, LLC
$829.3M
6.89MReducedQ1 2026
7Capital Wealth Planning, LLC
$543.3M
4.52MAddedQ1 2026
8CITADEL ADVISORS LLC
$450.3M
3.74MReducedQ1 2026
9Bank Julius Baer & Co. Ltd, Zurich
$443.3M
3.70MAddedQ1 2026
10AVIVA PLC
$389.3M
3.24MAddedQ1 2026
11ROYAL LONDON ASSET MANAGEMENT LTD
$348.4M
2.90MReducedQ1 2026
12Eurizon Capital SGR S.p.A.
$338.5M
2.82MAddedQ1 2026
13Ensign Peak Advisors, Inc
$314.3M
2.61MAddedQ1 2026
14Smead Capital Management, Inc.
$297.3M
2.47MReducedQ1 2026
15Alyeska Investment Group, L.P.
$277.3M
2.31MAddedQ1 2026
16STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM
$265.1M
2.20MReducedQ1 2026
17Universal- Beteiligungs- und Servicegesellschaft mbH
$247.1M
2.05MReducedQ1 2026
18Employees Provident Fund Board
$228.0M
1.90MNewQ1 2026
19SEB Asset Management AB
$197.6M
1.64MNewQ1 2026
20DANSKE BANK A/S
$197.4M
1.64MAddedQ1 2026
21PFA Pension, Forsikringsaktieselskab
$176.6M
1.47MReducedQ1 2026
22ANTIPODES PARTNERS Ltd
$173.4M
1.44MReducedQ1 2026
23Candriam S.C.A.
$159.1M
1.32MNewQ1 2026
24WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
$157.3M
1.43MReducedQ1 2026
25DJE Kapital AG
$156.7M
1.31MNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
14
funds
Added
45
funds
Reduced
40
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

655 funds+651 since Q2 2022
0328655Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $56.0B

Funds that own MRK also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT644 funds$270.0B
Apple, Inc.AAPL638 funds$331.3B
Nvidia CorporationNVDA637 funds$374.5B
Jpmorgan Chase & CoJPM634 funds$89.8B
GOOGLE INCGOOGL632 funds$166.8B
Johnson & JohnsonJNJ631 funds$69.0B
Amazon.com, Inc.AMZN628 funds$193.0B
Lilly Eli and CoLLY627 funds$74.0B
Meta Platforms, Inc. Class AMETA626 funds$115.3B
Broadcom LtdAVGO623 funds$133.9B
LPHABET INCGOOG622 funds$121.5B
Visa Inc. Class AV622 funds$61.2B

Ranked by how many of MRK's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.