Compare · GSK vs MRK
GSK vs MRK
Side-by-side comparison of GSK plc (GSK) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both GSK and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- MRK is the larger of the two at $362.83B, about 3.5x GSK ($102.34B).
- MRK has been more active in the news (19 items in the past 4 weeks vs 18 for GSK).
- Both have 25 recent analyst ratings on file.
- Company
- GSK plc
- Merck & Company Inc.
- Price
- -
- -
- Market cap
- $102.34B
- $362.83B
- 1M return
- -
- +3.68%
- 1Y return
- -
- +60.94%
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NYSE
- NYSE
- IPO
- 2022
- News (4w)
- 18
- 19
- Recent ratings
- 25
- 25
GSK plc
GlaxoSmithKline plc, together with its subsidiaries, engages in the creation, discovery, development, manufacture, and marketing of pharmaceutical products, vaccines, over-the-counter medicines, and health-related consumer products in the United Kingdom, the United States, and internationally. It operates through four segments: Pharmaceuticals, Pharmaceuticals R&D, Vaccines, and Consumer Healthcare. The company offers pharmaceutical products comprising medicines in the therapeutic areas, such as respiratory, HIV, immuno-inflammation, oncology, anti-viral, central nervous system, cardiovascular and urogenital, metabolic, anti-bacterial, and dermatology. It also provides consumer healthcare products in wellness, oral health, nutrition, and skin health categories. The company offers its consumer healthcare products in the form of nasal sprays, tablets, syrups, lozenges, gum and trans-dermal patches, caplets, infant syrup drops, liquid filled suspension, wipes, gels, effervescents, toothpastes, toothbrushes, mouthwashes, denture adhesives and cleansers, topical creams and non-medicated patches, lip balm, gummies, and soft chews. It has collaboration agreements with 23andMe; Lyell Immunopharma, Inc.; Novartis; Sanofi SA; Surface Oncology; Progentec Diagnostics, Inc.; Alector, Inc.; and CureVac AG., as well as strategic partnership with IDEAYA Biosciences, Inc. and Vir Biotechnology, Inc. GlaxoSmithKline plc was founded in 1715 and is headquartered in Brentford, 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 GSK
- SEC Form 6-K filed by GSK plc
- SEC Form 6-K filed by GSK plc
- SEC Form 13F-HR filed by GSK plc
- FDA Approval for BENLYSTA issued to GLAXOSMITHKLINE LLC
- Alamar Biosciences Partners with GSK on Large-Scale Proteomic Study to Advance Precision Medicine
- SEC Form 6-K filed by GSK plc
- Alfasigma Announces New Linerixibat Data Across PBC and Liver Disease to be Presented at AASLD’s The Liver Meeting 2026
- GSK plc downgraded by Jefferies with a new price target
- SEC Form 6-K filed by GSK plc
- SEC Form 6-K filed by GSK plc
Latest MRK
- Merck to Participate in the Jefferies Global Healthcare Conference in London
- Merck Announces Positive Results from Phase 2b Trial of Efinopegdutide in Adults with Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Stage 2-3 Fibrosis
- FDA Approval for WELIREG issued to MERCK SHARP DOHME
- SEC Form 10-Q filed by Merck & Company Inc.
- Stocks Surged Across the Board Today, and Biotech Brought Its Own Earnings Story
- SEC Form 4 filed by Director Diaz Paul J
- New insider Diaz Paul J claimed ownership of 296 shares (SEC Form 3)
- Merck Initiates Phase 3 Study Evaluating Ohtuvayre® (ensifentrine) for the Prevention of COPD Exacerbations in Adult Patients Receiving Standard of Care With a History of Exacerbations
- Merck downgraded by DZ Bank with a new price target
- Merck to Present New Data from Its Broad Oral HIV Portfolio and Pipeline at HIV Glasgow 2026