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Compare · MRK vs PBYI

MRK vs PBYI

Side-by-side comparison of Merck & Company Inc. (MRK) and Puma Biotechnology Inc (PBYI): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MRK and PBYI operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $295.39B, about 823.2x PBYI ($358.8M).
  • Over the past year, MRK is up 50.8% and PBYI is up 96.9% - PBYI leads by 46.1 points.
  • MRK has been more active in the news (27 items in the past 4 weeks vs 1 for PBYI).
  • MRK has more recent analyst coverage (25 ratings vs 4 for PBYI).
PerformanceMRK+50.80%PBYI+96.94%
2025-06-09+0.00%2026-06-09
MetricMRKPBYI
Company
Merck & Company Inc.
Puma Biotechnology Inc
Price
$119.57+0.07%
$7.08+3.06%
Market cap
$295.39B
$358.8M
1M return
+7.38%
-5.60%
1Y return
+50.80%
+96.94%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
News (4w)
27
1
Recent ratings
25
4
MRK

Merck & Company Inc.

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health segments. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, diabetes, and women's health, as well as vaccine products. The Animal Health segment provides discovers, develops, manufactures, and markets a range of veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as a suite of digitally connected identification, traceability, and monitoring products. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; and Ridgeback Biotherapeutics. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaboration agreement with Gilead Sciences, Inc. to co-develop and co-commercialize long-acting investigational treatment combinations of Lenacapavir and Islatravir in HIV; Amathus Therapeutics to develop treatments for neurodegenerative diseases; and Linnaeus Therapeutics, Inc. to evaluate LNS8801 in combination with KEYTRUDA for patients with advanced cancer. It also has a collaboration with Biomed X Gmbh for building on ongoing research projects in the fields of oncology (DNA damage response and RNA splicing) and autoimmunity (intestinal epithelial barrier in autoimmune diseases); and a collaboration agreement with NGM Biopharmaceuticals, Inc. to focus primarily on the development of novel medicines for unmet patient needs in retinal and CVM diseases, including heart failure. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

PBYI

Puma Biotechnology Inc

Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. The company's drug candidates include PB272 neratinib (oral) for the adjuvant treatment of adult patients with early stage HER2-overexpressed/amplified breast cancer; PB272 (neratinib, oral) for the use of neratinib in combination with capecitabine for the treatment of adult patients with advanced or metastatic HER2-positive breast cancer; PB272 (neratinib, oral) for HER2 mutation-positive solid tumors. It has a license agreement with Pfizer, Inc.; and sub-license agreement with Specialised Therapeutics Asia Pte Ltd., CANbridge BIOMED Limited, Pint Pharma International SA, Knight Therapeutics, Inc., Pierre Fabre Medicament SAS, and Bixink Therapeutics Co., Ltd. The company was founded in 2010 and is headquartered in Los Angeles, California.