Merck & Co. Inc. – Investors and Politicians Who Own It

MRK

Investors who own it

14 tracked investors, $3.6B in shares, each from their latest 13F.

InvestorValueShare of portfolio
Bill NygrenHarris Associates (Oakmark), Q2 2026
$1.6B2.06%
Jeremy GranthamGMO (Grantham Mayo Van Otterloo), Q2 2026
$871.9M1.96%
$744.2M0.48%
Anand ParekhAlyeska Investment Group, Q2 2026
$318.8M0.82%
$28M4.43%
$25.6M0.12%
Prem WatsaFairfax Financial Holdings, Q2 2026
$22.2M0.84%
$17.4M0.01%
Mario GabelliGAMCO Investors, Q2 2026
$8.1M0.07%
Barry RitholtzRitholtz Wealth Management, Q2 2026
$6.1M0.09%
Chris BloomstranSemper Augustus Investments, Q2 2026
$5.7M0.65%
Ray DalioBridgewater Associates, Q2 2026
$3.9M0.02%
Daniel SchneebergerADAR1 Capital Management, Q2 2026
$403.5K0.02%
Tom RussoGardner Russo & Quinn, Q2 2026
$211K0.00%

Politicians who own it

Estimated from annual disclosures and trades; values are rough estimates.

PoliticianEst. valueShare of portfolio
J. French HillR-AR · House
$242.3K1.41%
Thomas H. Kean, Jr.R-NJ · House
$114.9K2.23%
Kevin HernR-OK · House
$103.8K0.44%
Kelly MorrisonD-MN · House
$103.8K0.46%
Kathy E. ManningD-NC · House
$72.5K0.26%
Scott FranklinR-FL · House
$67.2K1.33%
$61.3K2.58%
Gerald E. ConnollyD-VA · House
$49.4K2.24%
$45K0.10%
Steve CohenD-TN · House
$45K1.02%
$43.4K0.80%
Susan M. CollinsR-ME · Senate
$25K3.19%
Julie JohnsonD-TX · House
$11.1K0.06%
Rick LarsenD-WA · House
$11.1K0.92%
Robert B. AderholtR-AL · House
$11.1K0.69%
Sam T. LiccardoD-CA · House
$11.1K0.63%
Daniel MeuserR-PA · House
$11.1K0.43%
Michael A. RulliR-OH · House
$11.1K1.18%
William R. KeatingD-MA · House
$11.1K0.35%
Josh GottheimerD-NJ · House
$9.9K0.03%
InvestorActionShares now
Jeremy GranthamAdded +2.1%7,013,777
Anand ParekhAdded +46%2,305,574
National Pension Service (Korea)Reduced −0.5%5,762,086
Farallon Capital ManagementNew361,000
Ray DalioSold out0
Kahn BrothersReduced −47%227,288
Bill NygrenReduced −12%12,366,933
Dodge & CoxReduced −1.6%136,050
Barry RitholtzAdded +21%44,966
Mario GabelliReduced −0.3%64,769
Chris BloomstranAdded +0.4%44,633
Daniel SchneebergerReduced −67%3,140
Tom RussoNew2,141

Politicians trading it

Latest Congress trades disclosed under the STOCK Act; amounts are ranges.

PoliticianActionTraded
Bought$15K–$50KAug 19, 2026disclosed Sep 9, 2026
Bought$15K–$50KAug 19, 2026disclosed Sep 9, 2026
Alan ArmstrongR-OK · Senate
Sold$15K–$50KMar 27, 2026disclosed Jul 21, 2026
Josh GottheimerJointD-NJ · House
Bought$1K–$15KFeb 4, 2026disclosed Mar 16, 2026
Bought$1K–$15KDec 19, 2025disclosed Jan 12, 2026
Julie JohnsonJointD-TX · House
Sold$1K–$15KDec 18, 2025disclosed Jan 15, 2026
Bought$1K–$15KNov 18, 2025disclosed Dec 15, 2025
Julie JohnsonJointD-TX · House
Sold part$1K–$15KNov 13, 2025disclosed Dec 11, 2025
Val T. HoyleSpouseD-OR · House
Sold$1K–$15KSep 23, 2025disclosed Oct 10, 2025
Bought$1K–$15KAug 28, 2025disclosed Aug 29, 2025
Julie JohnsonJointD-TX · House
Sold part$1K–$15KAug 14, 2025disclosed Sep 11, 2025
Bought$1K–$15KAug 5, 2025disclosed Sep 12, 2025
Lisa C. McClainSpouseR-MI · House
Sold$1K–$15KAug 4, 2025disclosed Sep 12, 2025
Ritchie TorresD-NY · House
Sold$1K–$15KJul 11, 2025disclosed Aug 20, 2025
Lisa C. McClainSpouseR-MI · House
Bought$1K–$15KJun 24, 2025disclosed Aug 13, 2025
Scott FranklinJointR-FL · House
Sold$1K–$15KJun 16, 2025disclosed Jul 14, 2025
Julie JohnsonJointD-TX · House
Bought$1K–$15KJun 13, 2025disclosed Jul 14, 2025
Sold$1K–$15KMay 30, 2025disclosed Jun 6, 2025
Sold$15K–$50KMay 15, 2025disclosed May 31, 2025
Bought$1K–$15KMay 5, 2025disclosed May 6, 2025
Bought$1K–$15KApr 29, 2025disclosed May 6, 2025
Bruce WestermanR-AR · House
Sold$1K–$15KApr 21, 2025disclosed May 12, 2025
Jefferson ShreveR-IN · House
Sold$15K–$50KApr 17, 2025disclosed May 8, 2025
Bought$1K–$15KApr 9, 2025disclosed Apr 11, 2025
Bought$15K–$50KApr 8, 2025disclosed May 8, 2025
Sold part$15K–$50KMar 31, 2025disclosed Apr 7, 2025
Kelly MorrisonD-MN · House
Sold part$1K–$15KMar 20, 2025disclosed Apr 11, 2025
Sheri BiggsSpouseR-SC · House
Sold$15K–$50KMar 19, 2025disclosed Oct 5, 2025
Bruce WestermanR-AR · House
Bought$1K–$15KMar 3, 2025disclosed Apr 16, 2025
Bought$15K–$50KFeb 26, 2025disclosed Mar 6, 2025
Sold$15K–$50KFeb 25, 2025disclosed Mar 27, 2025
Jefferson ShreveR-IN · House
Bought$15K–$50KFeb 24, 2025disclosed Mar 9, 2025
Josh GottheimerJointD-NJ · House
Sold$15K–$50KJan 27, 2025disclosed Feb 10, 2025
Sold$1K–$15KJan 24, 2025disclosed Feb 11, 2025
Julie JohnsonJointD-TX · House
Bought$1K–$15KJan 17, 2025disclosed Feb 12, 2025
Byron DonaldsR-FL · House
Sold$1K–$15KJan 16, 2025disclosed Feb 10, 2025
Byron DonaldsSpouseR-FL · House
Sold$1K–$15KJan 16, 2025disclosed Feb 10, 2025
Jared MoskowitzD-FL · House
Sold$1K–$15KJan 15, 2025disclosed Feb 10, 2025
Jared MoskowitzChildD-FL · House
Sold$1K–$15KJan 15, 2025disclosed Feb 10, 2025
Jared MoskowitzChildD-FL · House
Sold$1K–$15KJan 15, 2025disclosed Feb 10, 2025