NYSE: MRK
Merck & Co Inc Stock Ownership - Who owns Merck & Co?

Insider buying vs selling

Have Merck & Co Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David R. MaraldoEVP Pres. MMD2026-05-02552$112.16
$61.91kBuy
David R. MaraldoEVP Pres. MMD2026-05-02159$112.16
$17.83kSell
Dalton E. Smart IiiSVP Fin. - Global Controller2026-05-02132$112.16
$14.81kSell
Dalton E. Smart IiiSVP Fin. - Global Controller2026-05-02383$112.16
$42.96kBuy
Betty D. LarsonEVP Chief HR Officer2026-04-3011,350$110.95
$1.26MBuy
Betty D. LarsonEVP Chief HR Officer2026-04-305,143$110.95
$570.62kSell
Dalton E. Smart IiiSVP Fin. - Global Controller2026-04-30464$110.95
$51.48kBuy
Dalton E. Smart IiiSVP Fin. - Global Controller2026-04-30159$110.95
$17.64kSell
Jennifer ZacharyEVP General Counsel2026-04-291,454$110.03
$159.98kSell
David Michael WilliamsEVPChief InfoDigital Officer2026-04-291,377$110.03
$151.51kBuy

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Net Insider Buy/Sell (L12M) Ownership

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MRK Shareholders

What type of owners hold Merck & Co Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.30%254,322,763$28.30BInstitution
Blackrock Inc8.87%219,095,465$24.38BInstitution
State Street Corp4.86%120,040,168$13.36BInstitution
Wellington Management Group LLP3.50%86,435,458$9.62BInstitution
Geode Capital Management LLC2.43%60,047,984$6.68BInstitution
Charles Schwab Investment Management Inc1.97%48,563,804$5.40BInstitution
Morgan Stanley1.82%44,946,021$5.00BInstitution
Fmr LLC1.65%40,836,566$4.54BInstitution
Norges Bank1.54%37,981,502$4.23BInstitution
Jpmorgan Chase Co1.18%29,199,978$3.25BInstitution

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MRK vs General Drug Manufacturer Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRK79.78%0.22%Net BuyingNet Buying
NVS7.03%0.00%
AZN31.71%0.00%Net BuyingNet Buying
ABBV75.00%0.16%Net SellingNet Selling
AMGN80.88%1.01%Net SellingNet Selling

Merck & Co Stock Ownership FAQ

Who owns Merck & Co?

Merck & Co (NYSE: MRK) is owned by 79.78% institutional shareholders, 0.22% Merck & Co insiders, and 19.99% retail investors. Vanguard Group Inc is the largest individual Merck & Co shareholder, owning 254.32M shares representing 10.30% of the company. Vanguard Group Inc's Merck & Co shares are currently valued at $28.58B.

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