Who owns Merck & Co., Inc. (MR)? Elite investor 13F holders

17 tracked elite investors reported holding Merck & Co., Inc as of 2026-06-30, including Oakmark Funds, GMO, Aristotle Capital Management, D.E. Shaw, Causeway Capital Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

17 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Merck & Co., Inc. operates as a healthcare company worldwide. It offers human health pharmaceutical for various areas under the Keytruda, Keytruda Qlex, Welireg, Gardasil, ProQuad, M-M-R II, Varivax, Vaxneuvance, Capvaxive, RotaTeq, Pneumovax 23, Bridion, Prevymis, Dificid, Zerbaxa, Winrevair, Adempas/ Verquvo, Ohtuvayre, Lagevrio, Isentress/Isentress HD, Delstrigo, Pifeltro, Belsomra, Januvia,…

Reported holders and securities, including exits (up to 20)

Reported holders and securities, including exits (up to 20)
InvestorSecurityInstrumentReport periodFiledValueQuantityUnitsChangeSource
Oakmark FundsMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:001551394499.00 USD12073109.000000SharesreduceOriginal filing
GMOMERCK & CO. INCSHARE2026-06-302026-08-13 00:00:00871873732.00 USD6785008.000000SharesreduceOriginal filing
Aristotle Capital ManagementMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:00845353780.00 USD6578570.000000SharesreduceOriginal filing
D.E. ShawMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:00351835956.00 USD2738023.000000SharesreduceOriginal filing
Causeway Capital ManagementMERCK & CO. INCSHARE2026-06-302026-08-13 00:00:00122708787.00 USD954932.000000SharesaddOriginal filing
Gotham Asset ManagementMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:0067968405.00 USD528937.000000SharesaddOriginal filing
Kahn Brothers GroupMERCK & CO. INCSHARE2026-06-302026-08-17 00:00:0028036427.00 USD218182.000000SharesreduceOriginal filing
Fairfax Financial HoldingsMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:0022198631.00 USD172900.000000SharesholdOriginal filing
Dodge & Cox FundsMERCK & CO. INCSHARE2026-06-302026-08-13 00:00:0017443875.00 USD135750.000000SharesreduceOriginal filing
GAMCOMERCK & CO. INCSHARE2026-06-302026-08-12 00:00:008053352.00 USD62672.000000SharesreduceOriginal filing
Mairs & Power FundsMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:006620192.00 USD51519.000000SharesaddOriginal filing
Semper AugustusMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:005735341.00 USD44633.000000SharesholdOriginal filing
Bridgewater AssociatesMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:003887639.00 USD30254.000000SharesbuyOriginal filing
Ancora Advisors / Ancora HoldingsMERCK & CO. INCSHARE2026-06-302026-08-14 00:00:002685957.00 USD20902.000000SharesreduceOriginal filing
Pzena Investment ManagementMERCK & CO. INCSHARE2026-06-302026-08-07 00:00:00322664.00 USD2511.000000SharesholdOriginal filing
Gardner Russo & QuinnMERCK & CO. INCSHARE2026-06-302026-08-13 00:00:00211006.00 USD1642.000000SharesreduceOriginal filing
Matrix Asset AdvisorsMERCK & CO. INCSHARE2026-06-302026-07-15 00:00:00214724.00 USD1671.000000SharesholdOriginal filing

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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