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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Merck & Co Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David Michael WilliamsEVPChief InfoDigital Officer2025-08-048,432$79.29
$668.57kSell
David Michael WilliamsEVPChief InfoDigital Officer2025-08-0417,119$79.29
$1.36MBuy
Chirfi GuindoChief Marketing Officer2025-08-0418,175$79.29
$1.44MSell
Chirfi GuindoChief Marketing Officer2025-08-0436,903$79.29
$2.93MBuy
Dalton E. Smart IiiSVP Fin. - Global Controller2025-05-03518$83.18
$43.09kBuy
Dalton E. Smart IiiSVP Fin. - Global Controller2025-05-03256$83.18
$21.29kSell
Dalton E. Smart IiiSVP Fin. - Global Controller2025-05-031,532$83.18
$127.43kBuy
Dalton E. Smart IiiSVP Fin. - Global Controller2025-05-03588$83.18
$48.91kSell
Joseph RomanelliPresident Human Health Intl2025-05-021,115$83.26
$92.83kSell
Dalton E. Smart IiiSVP Fin. - Global Controller2025-05-02381$83.26
$31.72kBuy

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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 Inc10.13%252,914,426$21.75BInstitution
Blackrock Inc8.74%218,340,832$18.77BInstitution
State Street Corp4.74%118,493,864$10.19BInstitution
Wellington Management Group LLP3.08%76,856,492$6.61BInstitution
Geode Capital Management LLC2.36%58,952,681$5.07BInstitution
Charles Schwab Investment Management Inc2.16%53,865,466$4.63BInstitution
Morgan Stanley1.77%44,200,694$3.80BInstitution
Norges Bank1.45%36,111,289$3.10BInstitution
Jpmorgan Chase Co1.27%31,821,772$2.74BInstitution
Fmr LLC1.26%31,566,125$2.71BInstitution

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MRK vs General Drug Manufacturer Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRK78.35%0.22%Net BuyingNet Buying
NVS6.86%0.00%
AZN32.00%0.00%
AMGN81.23%0.99%Net SellingNet Selling
GILD86.35%1.11%Net SellingNet Selling
View Top General Drug Manufacturer Stocks

Merck & Co Stock Ownership FAQ

Who owns Merck & Co?

Merck & Co (NYSE: MRK) is owned by 78.35% institutional shareholders, 0.22% Merck & Co insiders, and 21.43% retail investors. Vanguard Group Inc is the largest individual Merck & Co shareholder, owning 252.91M shares representing 10.13% of the company. Vanguard Group Inc's Merck & Co shares are currently valued at $21.75B.

If you're new to stock investing, here's how to buy Merck & Co stock.
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