MERCK & CO. INC. (MRK) Institutional Ownership Changes & 13F Activity

MERCK & CO. INC. (MRK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Kahn Brothers Group, Causeway Capital Management, Sequoia Financial Advisors, Cullen Value Fund, and Dodge & Cox Stock Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2023Sequoia Financial AdvisorsBuy111,706169,960$18,536,760
Q4 2023Cullen Value FundBuy89,54589,545$9,762,221
Q4 2023Kahn Brothers GroupSell-14,252624,541$68,087,714
Q4 2023Meritage GroupBuy2,8732,873$313
Q4 2023Dodge & Cox Stock FundSell-2,850160,945$17,546,224
Q4 2023Mairs & Power Growth FundBuy2,63961,984$6,757,496
Q4 2023Sound Shore ManagementSell-1,570701,723$76,501,841
Q4 2023Semper Augustus Investments GroupBuy13144,575$4,859,567
Q4 2023Matrix Private Capital GroupSell-408,463$929,153
Q4 2023Gardner Russo & QuinnSell-363,806$414,974
Q4 2023Matrix Advisors Value FundBuy313,287$358,349
Q3 2023Renaissance Technologies LLCSell-600,509367,643$37,849
Q3 2023Sound Shore ManagementSell-47,452703,293$72,404,015
Q3 2023Bill & Melinda Gates Foundation TrustBuy17,74017,740$1,826,333
Q3 2023Torray FundSell-12,1572,041$210,121
Q3 2023Kahn Brothers GroupSell-9,878638,793$65,763,770
Q3 2023Dodge & Cox Stock FundSell-6,650163,795$16,862,695
Q3 2023Sequoia Financial AdvisorsBuy1,23958,254$6,004,548
Q3 2023Matrix Advisors Value FundSell-5893,256$335,205
Q3 2023Mairs & Power Growth FundSell-38859,345$6,109,568
Q3 2023Gardner Russo & QuinnSell-1183,842$395,547
Q3 2023Matrix Private Capital GroupBuy18,503$881,599
Q2 2023Renaissance Technologies LLCSell-1,681,107968,152$111,715
Q2 2023Parnassus Endeavor FundSell-593,7371,337,970$154,388,358
Q2 2023Sound Shore ManagementBuy81,465750,745$86,628,466
Q2 2023Sequoia Financial AdvisorsSell-61,16557,015$6,586,467
Q2 2023Kahn Brothers GroupSell-22,933648,671$74,849,897
Q2 2023Mairs & Power Growth FundSell-7,50459,733$6,892,591
Q2 2023Dodge & Cox Stock FundSell-2,761170,445$19,667,649
Q2 2023Matrix Advisors Value FundSell-1803,845$443,675

Frequently asked questions about MRK activity

  • Which institutional owners are buying MRK?

    Institutional owners buying MRK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MRK activity?

    "Buy" means an investor increased their reported position in MRK compared to the prior reporting period. This reflects growing exposure to MERCK & CO. INC. (MRK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MRK increasing?

    Institutional interest in MRK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.