Market Cap

Merck Market Capitalization:

Merck & Co., Inc.

$265.89 Billion

USD as of Jan. 1, 2026

business Merck Company Profile

Merck Main Stock Listing

NYSE: MRK

Market capitalization history of Merck

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Drug Manufacturers—General
Company Market Cap (USD)
Lilly $968.50 B
Johnson & Johnson $499.57 B
AbbVie $405.28 B
Roche $332.12 B
AstraZeneca $284.38 B
Sector: Healthcare
Company Market Cap (USD)
Lilly $968.50 B
Johnson & Johnson $499.57 B
AbbVie $405.28 B
Roche $332.12 B
UnitedHealth Group $304.72 B

Yearly evolution of Merck market cap

Date Market Cap YoY Change
Jan. 1, 2026 $265.89 B 8.78%
Jan. 1, 2025 $244.44 B -17.56%
Jan. 1, 2024 $296.51 B 5.40%
Jan. 1, 2023 $281.30 B 36.40%
Jan. 1, 2022 $206.23 B 10.80%
Jan. 1, 2021 $186.13 B -9.80%
Jan. 1, 2020 $206.35 B 14.79%
Jan. 1, 2019 $179.76 B 25.62%
Jan. 1, 2018 $143.10 B -4.42%
Jan. 1, 2017 $149.71 B 22.34%
Jan. 1, 2016 $122.38 B -15.94%
Jan. 1, 2015 $145.58 B 13.80%
Jan. 1, 2014 $127.93 B 22.47%
Jan. 1, 2013 $104.45 B 13.01%
Jan. 1, 2012 $92.43 B 15.38%
Jan. 1, 2011 $80.11 B -13.12%
Jan. 1, 2010 $92.21 B 33.73%
Jan. 1, 2009 $68.95 B -38.07%
Jan. 1, 2008 $111.34 B 3.02%
Jan. 1, 2007 $108.08 B 29.71%
Jan. 1, 2006 $83.32 B 22.99%
Jan. 1, 2005 $67.74 B -41.07%
Jan. 1, 2004 $114.96 B -14.06%
Jan. 1, 2003 $133.77 B -6.40%
Jan. 1, 2002 $142.93 B -27.99%
Jan. 1, 2001 $198.48 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

Company Description

Merck & Company, Inc., known as Merck Sharp & Dohme, or MSD, outside the United States and Canada, is one of the largest pharmaceutical companies in the world. Founded in 1891 in the US, and independent since World War I from its parent company, now one of the largest companies in Germany, Merck provides prescription medicines, vaccines, biologic therapies, and animal health products.

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Merck Categories

United States languages Healthcare languages Drug Manufacturers—General
United States Healthcare United States Drug Manufacturers—General

Stocks & Indices

Merck & Co., Inc. has the following listings and related stock indices.


Stock: NYSE: MRK

Stock: FSX: 6MK

Stock: Euronext: MRK

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.