Compare · AZN vs MRK
AZN vs MRK
Side-by-side comparison of AstraZeneca PLC (AZN) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AZN and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- AZN is the larger of the two at $581.12B, about 2.2x MRK ($269.81B).
- Over the past year, AZN is down 0.4% and MRK is up 31.1% - MRK leads by 31.6 points.
- AZN has been more active in the news (14 items in the past 4 weeks vs 12 for MRK).
- Both have 25 recent analyst ratings on file.
- Company
- AstraZeneca PLC
- Merck & Company Inc.
- Price
- $187.45+1.19%
- $109.17-1.66%
- Market cap
- $581.12B
- $269.81B
- 1M return
- -4.96%
- -9.20%
- 1Y return
- -0.44%
- +31.12%
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NYSE
- NYSE
- IPO
- 2026
- News (4w)
- 14
- 12
- Recent ratings
- 25
- 25
AstraZeneca PLC
AstraZeneca PLC discovers, develops, manufactures, and commercializes prescription medicines in the areas of oncology, cardiovascular, renal and metabolism, respiratory, infection, neuroscience, and gastroenterology worldwide. The company's marketed products include Tagrisso, Lynparza, Imfinzi, Enhertu, Koselugo, Lumoxiti, Equidacent, Zoladex, Faslodex, Iressa, Arimidex, Casodex/Cosudex, and others for oncology diseases; Onglyza, Bydureon, Lokelma, Byetta, Qtern, Symlin, and others for cardiovascular, renal, and metabolism diseases; and Symbicort, Pulmicort, Fasenra, Daliresp/Daxas, Duaklir, Tudorza/Eklira, Bevespi, Breztri, Anifrolumab, and others for respiratory and immunology diseases. It also offers other medicines and COVID-19 products, including Synagis, Fluenz Tetra/FluMist Quadrivalent, Seroquel IR/Seroquel XR, Vimovo, Movantik/Moventig, Nexium, Losec/Prilosec, and COVID-19 Vaccine AstraZeneca. The company serves primary care and specialty care physicians through distributors and local representative offices. It has a collaboration agreement with Daiichi Sankyo to develop and commercialize DS-1062 for the treatment of trophoblast cell-surface antigen 2 (TROP2) tumor; AliveCor, Inc. to develop non-invasive potassium monitoring solutions; Massachusetts General Hospital to accelerate digital health solutions; Sanguina on smartphone application study for hemoglobin management in patients with anemia of chronic kidney disease; Alchemab to enhance prostate cancer research; and Proteros biostructures GmbH to discover and develop novel small molecules for the treatment of various types of cancer. The company was formerly known as Zeneca Group PLC and changed its name to AstraZeneca PLC in April 1999. It has a collaboration agreement with Regeneron Pharmaceuticals, Inc. to research, develop, and commercialize small molecule medicines for obesity. AstraZeneca PLC was incorporated in 1992 and is headquartered in Cambridge, the United Kingdom.
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.
Latest AZN
- TRUQAP® (capivasertib) recommended by FDA Advisory Committee for PTEN-deficient metastatic hormone-sensitive prostate cancer
- Pinetree Therapeutics Announces Exercise of Option to License EGFR Degrader Program by AstraZeneca
- SEC Form 6-K filed by AstraZeneca PLC
- AstraZeneca results: Q1 2026
- SEC Form 6-K filed by AstraZeneca PLC
- BREZTRI approved in the US for asthma as first and only triple therapy for patients 12 years of age and older
- SAPHNELO approved in the US for subcutaneous self-administration as a new autoinjector for the treatment of systemic lupus erythematosus
- SEC Form 6-K filed by AstraZeneca PLC
- SEC Form 6-K filed by AstraZeneca PLC
- SEC Form 6-K filed by AstraZeneca PLC
Latest MRK
- Merck & Company Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Merck & Co., Inc., Rahway, N.J., USA Announces First-Quarter 2026 Financial Results; Highlights Significant Regulatory Approvals and Clinical Milestones
- Merck's Playing with Heart Program Teams Up With Professional Baseball Clubs and Baseball Legends to Help Raise Awareness About LDL-C, Called "Bad" Cholesterol, and How It May Impact the Risk of Heart Attack or Stroke
- Merck Announces Expiration of Hart-Scott-Rodino Act Waiting Period to Acquire Terns Pharmaceuticals, Inc.
- Merck and Google Cloud Partner to Accelerate Agentic AI Enterprise Transformation
- FDA Approves Merck's Once-Daily IDVYNSO™ (doravirine/islatravir)
- European Commission Approves Merck's ENFLONSIA™ (clesrovimab) for the Prevention of Respiratory Syncytial Virus (RSV) Lower Respiratory Tract Disease in Infants During Their First RSV Season
- New Survey Shows HPV Awareness Isn't Keeping Pace with Certain HPV-Related Cancer Trends in Canada
- Ifinatamab Deruxtecan Granted Priority Review in the U.S. for Adult Patients with Previously Treated Extensive-Stage Small Cell Lung Cancer who Experienced Disease Progression on or After Platinum-Based Chemotherapy
- SEC Form DEFA14A filed by Merck & Company Inc.