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Merck & Co., Inc. (MRK)
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The market capitalization for Merck & Co., Inc. (MRK) is $293.02 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$293.02B

$293.02 Billion

Calculation

Stock Price
$118.47
Shares Outstanding
2.47B
Market Cap
$293.02B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

MRK Market Cap: $293.02 Billion

Related Valuation Metrics

Key Statistics

Market Cap$293.02 Billion
Stock Price$118.47
Shares Outstanding2.47B
Size CategoryLarge Cap
P/E Ratio33.37
P/B Ratio6.38
Data as of Wednesday, June 10, 2026

About Merck & Co., Inc.

Merck & Co., Inc. is a global healthcare leader with operations spanning two core divisions: Pharmaceuticals and Animal Health. The Pharmaceutical segment is dedicated to human health, offering a broad spectrum of medicinal products. These cover crucial therapeutic areas such as oncology, acute hospital care, immunology, neuroscience, virology, cardiovascular conditions, and diabetes. This division also develops vital preventive vaccines for pediatric, adolescent, and adult populations. Meanwhile, the Animal Health segment focuses on the research, development, manufacturing, and marketing of veterinary medications, vaccines, and comprehensive health management solutions for animals. This division further provides innovative digital products designed for animal identification, traceability, and continuous monitoring. Merck's extensive clientele encompasses drug wholesalers, pharmacies, hospitals, and government agencies. It also serves managed healthcare organizations, including health maintenance organizations (HMOs) and pharmacy benefit managers, as well as various other institutional clients. Additionally, the company supplies products to individual physicians and their distributors, veterinarians, and livestock producers. The organization actively engages in strategic collaborations with companies such as AstraZeneca PLC, Bayer AG, Eisai Co., Ltd., Ridgeback Biotherapeutics, and Gilead Sciences, Inc. These partnerships are specifically aimed at the joint development and commercialization of prolonged-acting therapies for HIV. Established in 1891, Merck & Co., Inc. maintains its corporate headquarters in Kenilworth, New Jersey.

Rahway, NJ
73,000 employees
Healthcare / Drug Manufacturers - General
Sector
Healthcare
Industry
Drug Manufacturers - General
CEO
Robert Davis