MERCK & CO INC

$MRK
Smart money positioned

81 of the Top-200 alpha managers hold $MRK as of the latest 13F snapshot.

13F holders
23
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

81 holders · Q1 2026

$MRK is held by 81 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 4.26%, with an average of 0.60% of portfolio. Largest holder: River Road Asset Management, LLC at 4.26%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 23 · Source: 13F-HR
01
Vanguard Group Inc.
0.39% of portfolio
254,322,763 sh
02
State Street
0.50% of portfolio
119,325,673 sh
03
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.51% of portfolio
20,414,819 sh
04
Citadel
0.33% of portfolio
3,821,227 sh
05
Citigroup Inc.
0.21% of portfolio
2,779,106 sh
06
Erste Asset Management GmbH
0.57% of portfolio
571,075 sh
07
Sabal Trust CO
1.47% of portfolio
295,873 sh
08
Linscomb Wealth, Inc.
0.50% of portfolio
93,611 sh
09
Two Sigma
0.01% of portfolio
64,325 sh
10
Platinum Investment Management Ltd.
1.92% of portfolio
63,316 sh
See all 23 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 25 filers
01 Jul 2026
Unknown
· GRANT
A
01 Jul 2026
Unknown
· GRANT
A
01 Jul 2026
Unknown
· GRANT
A
29 May 2026
Lavizzo-Mourey Risa J
· GRANT
1,853
$118.72
A
29 May 2026
Karsanbhai Surendralal Lanca
· GRANT
1,853
$118.72
A
29 May 2026
Warden Kathy J
· GRANT
1,853
$118.72
A
29 May 2026
Seidman Christine E
· GRANT
1,853
$118.72
A
29 May 2026
Coe Mary Ellen
· GRANT
1,853
$118.72
A
29 May 2026
Thulin Inge G
· GRANT
1,853
$118.72
A
29 May 2026
Russo Patricia F
· GRANT
1,853
$118.72
A
29 May 2026
Rothman Paul
· GRANT
1,853
$118.72
A
29 May 2026
Mayo Stephen
· GRANT
1,853
$118.72
A

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $MRK in the recent window.

Convergence · $MRK

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 13:49 UTC.