WallStreetZenWallStreetZen

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
Chirfi GuindoChief Marketing Officer2026-02-1210,000$121.46
$1.21MSell
Dean Y. LiExecutive VP President MRL2026-02-1010,235$117.52
$1.20MSell
Jennifer ZacharyEVP General Counsel2026-02-0938,835$119.15
$4.63MBuy
Jennifer ZacharyEVP General Counsel2026-02-0956,792$119.15
$6.77MSell
Chirfi GuindoChief Marketing Officer2026-02-0910,000$118.41
$1.18MSell
Jennifer ZacharyEVP General Counsel2026-02-0925,946$119.15
$3.09MSell
Jennifer ZacharyEVP General Counsel2026-02-0925,946$119.15
$3.09MBuy
Jennifer ZacharyEVP General Counsel2026-02-0956,792$119.15
$6.77MBuy
Jennifer ZacharyEVP General Counsel2026-02-0938,835$119.15
$4.63MSell
Johannes Jacobus OosthuizenPresident U.S. Market2026-02-0615,000$121.87
$1.83MSell

1 of 6

MRK insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MRK insiders and whales buy or sell their stock.

MRK Shareholders

What type of owners hold Merck & Co Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.25%254,322,763$30.88BInstitution
Blackrock Inc8.83%219,095,465$26.60BInstitution
State Street Corp4.84%120,040,168$14.57BInstitution
Geode Capital Management LLC2.42%60,047,984$7.29BInstitution
Charles Schwab Investment Management Inc1.96%48,563,804$5.90BInstitution
Morgan Stanley1.81%44,946,021$5.46BInstitution
Norges Bank1.53%37,981,502$4.61BInstitution
Jpmorgan Chase Co1.18%29,199,978$3.55BInstitution
Fisher Asset Management LLC1.00%24,873,327$3.02BInstitution
Legal General Group PLC0.80%19,776,842$2.40BInstitution

1 of 3

MRK vs General Drug Manufacturer Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRK61.50%0.22%Net BuyingNet Selling
NVS5.89%0.00%
AZN19.56%0.00%
AMGN70.10%0.99%Net SellingNet Selling
ABBV62.05%0.15%Net Selling
View Top General Drug Manufacturer Stocks

Merck & Co Stock Ownership FAQ

Who owns Merck & Co?

Merck & Co (NYSE: MRK) is owned by 61.50% institutional shareholders, 0.22% Merck & Co insiders, and 38.28% retail investors. Vanguard Group Inc is the largest individual Merck & Co shareholder, owning 254.32M shares representing 10.25% of the company. Vanguard Group Inc's Merck & Co shares are currently valued at $30.88B.

If you're new to stock investing, here's how to buy Merck & Co stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.