Merck & Co., Inc.

SWX:MRK Stock Report

Market Cap: CHF 272.4b

Merck Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

SWX:MRK Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
13 Aug 26SellCHF 1,096,956Chirfi GuindoIndividual10,000CHF 109.70
12 Aug 26SellCHF 4,823,837Richard DeLucaIndividual45,320CHF 107.44
12 Aug 26SellCHF 2,750,417Jennifer ZacharyIndividual25,388CHF 108.34
06 Aug 26SellCHF 1,596,739Chirfi GuindoIndividual15,000CHF 106.45
06 Aug 26SellCHF 640,949Richard DeLucaIndividual6,050CHF 106.47
12 Feb 26SellCHF 934,083Chirfi GuindoIndividual10,000CHF 93.41
10 Feb 26SellCHF 921,535Dean LiIndividual10,235CHF 90.04
09 Feb 26SellCHF 909,295Chirfi GuindoIndividual10,000CHF 90.93
06 Feb 26SellCHF 1,418,211Johannes OosthuizenIndividual15,000CHF 94.55
06 Feb 26SellCHF 3,535,476Richard DeLucaIndividual37,685CHF 93.82
05 Feb 26SellCHF 1,896,171Chirfi GuindoIndividual20,000CHF 94.81
04 Feb 26SellCHF 4,350,621Robert DavisIndividual47,434CHF 91.96
04 Feb 26SellCHF 223,167Dalton SmartIndividual2,400CHF 92.99
10 Nov 25SellCHF 496,839Cristal DowningIndividual7,085CHF 70.13
03 Nov 25SellCHF 581,425David WilliamsIndividual8,614CHF 67.50

Insider Trading Volume

Insider Buying: MRK insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MRK?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,214,2160.0492%
State or Government2,815,5860.114%
General Public494,460,97320%
Institutions1,968,680,86379.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 47.81% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.2%
BlackRock, Inc.
226,999,837CHF 25.1b0.52%0.33%
7.1%
Vanguard Capital Management, LLC
175,192,483CHF 19.3b0.14%0.34%
4.88%
State Street Investment Management
120,413,256CHF 13.3b0.91%0.42%
3.42%
Wellington Management Group LLP
84,314,971CHF 9.3b-2.45%1.63%
2.75%
Vanguard Portfolio Management, LLC
67,738,969CHF 7.5b0.65%0.4%
2.46%
Geode Capital Management, LLC
60,744,214CHF 6.7b1.99%0.36%
2.02%
Charles Schwab Investment Management, Inc.
49,773,475CHF 5.5b0%0.76%
1.56%
Fisher Asset Management, LLC
38,516,263CHF 4.3b45.7%1.47%
1.5%
Norges Bank Investment Management
36,983,784CHF 4.1b-2.63%0.28%
1.35%
UBS Asset Management AG
33,291,954CHF 3.7b-3.08%0.28%
1.32%
FMR LLC
32,576,749CHF 3.6b4.94%0.18%
1.29%
JP Morgan Asset Management
31,853,952CHF 3.5b-16%0.35%
1.07%
Northern Trust Global Investments
26,275,718CHF 2.9b-3.01%0.38%
0.93%
T. Rowe Price Group, Inc.
23,051,112CHF 2.5b22.9%0.23%
0.79%
Legal & General Investment Management Limited
19,538,545CHF 2.2b-1.2%0.44%
0.72%
Capital Research and Management Company
17,857,146CHF 2.0b508%0.09%
0.71%
Dimensional Fund Advisors LP
17,486,486CHF 1.9b13.1%0.27%
0.69%
BNY Asset Management
17,067,079CHF 1.9b-2.48%0.36%
0.66%
Franklin Templeton Inc.
16,271,635CHF 1.8b22.6%0.58%
0.66%
Columbia Management Investment Advisers, LLC
16,262,708CHF 1.8b1.8%0.38%
0.58%
Bank of America Corporation
14,289,377CHF 1.6b-3.38%0.41%
0.56%
State Farm Mutual Automobile Insurance Company
13,794,969CHF 1.5b0%1.23%
0.56%
Goldman Sachs Asset Management, L.P.
13,793,970CHF 1.5b3.55%0.31%
0.52%
Strategic Advisers LLC
12,863,606CHF 1.4b-4.52%0.39%
0.51%
Amundi Asset Management SAS
12,603,927CHF 1.4b-10.1%0.23%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/08/18 11:00
End of Day Share Price 2026/05/27 00:00
Earnings2026/06/30
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Merck & Co., Inc. is covered by 49 analysts. 23 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
David ToungArgus Research Company
Charles ButlerBarclays
Emily FieldBarclays