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
Blackrock Inc9.14%225,830,330$25.15BInstitution
Vanguard Capital Management LLC6.52%160,987,624$17.93BInstitution
State Street Corp4.83%119,325,673$13.29BInstitution
Wellington Management Group LLP3.41%84,314,971$9.39BInstitution
Vanguard Portfolio Management LLC2.73%67,304,305$7.50BInstitution
Geode Capital Management LLC2.41%59,558,154$6.63BInstitution
Jpmorgan Chase Co2.14%52,972,983$5.90BInstitution
Charles Schwab Investment Management Inc2.01%49,765,225$5.54BInstitution
Morgan Stanley1.93%47,632,487$5.31BInstitution
Fmr LLC1.80%44,516,010$4.96BInstitution

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MRK vs General Drug Manufacturer Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRK75.92%0.22%Net BuyingNet Buying
AZN46.12%0.00%Net BuyingNet Buying
NVS7.36%0.00%
ABBV71.33%0.16%Net SellingNet Selling
AMGN77.45%1.01%Net SellingNet Selling

Merck & Co Stock Ownership FAQ

Who owns Merck & Co?

Merck & Co (NYSE: MRK) is owned by 75.92% institutional shareholders, 0.22% Merck & Co insiders, and 23.86% retail investors. Blackrock Inc is the largest individual Merck & Co shareholder, owning 225.83M shares representing 9.14% of the company. Blackrock Inc's Merck & Co shares are currently valued at $25.15B.

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