MRK

MERCK & CO INC

Institutional Holdings

Latest 13F data

Total Institutional Value

$1.71B

Total Shares Held

16.29M

Institutions

10

Institutional Holders (10)

Latest 13F positions

Harris Associates LP
CIK: 813917
14.1M$1483.0M86.5%
+43%
Feb 17, 2026
Causeway Capital Management LLC
CIK: 1165797
1.0M$110.0M6.4%
-8%
Feb 13, 2026
Kahn Brothers Group Inc
CIK: 1039565
430.1K$45.3M2.6%
-1%
Feb 12, 2026
Bridgewater Associates LP
CIK: 1350694
310.2K$32.7M1.9%
-40%
Feb 13, 2026
Fairfax Financial Holdings Ltd
CIK: 915191
172.9K$18.2M1.1%
-
Feb 17, 2026
Dodge & Cox
CIK: 200217
138.2K$14.5M0.8%
-10%
Feb 13, 2026
Mairs & Power Inc
CIK: 1070134
52.0K$5.5M0.3%
-
Feb 17, 2026
Semper Augustus Investments Group LLC
CIK: 1115373
44.4K$4.7M0.3%
-
Feb 17, 2026
Pzena Investment Management LLC
CIK: 1027796
3.3K$350.0K0.0%
-
Feb 6, 2026
Matrix Asset Advisors Inc
CIK: 1016287
2.9K$301.0K0.0%
-
Jan 16, 2026

Congressional Trades

(54 total)
View all →
MemberTypeAmountDate
Buy$1K - $15KDec 19, 2025
Sell$1K - $15KDec 18, 2025
Buy$1K - $15KNov 18, 2025
Sell$1K - $15KNov 13, 2025
Sell$1K - $15KSep 23, 2025
Buy$1K - $15KAug 28, 2025
Sell$1K - $15KAug 14, 2025
Buy$1K - $15KAug 5, 2025
Sell$1K - $15KAug 4, 2025
Sell$1K - $15KJul 11, 2025

Insider Transactions

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SEC Form 4 filings for MRK — last 6 months

Fetching from SEC EDGAR...