Compare · MRK vs RTSN
MRK vs RTSN
Side-by-side comparison of Merck & Company Inc. (MRK) and Retension Pharmaceuticals Inc. (RTSN): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both MRK and RTSN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- MRK is the larger of the two at $362.27B, about 3752.1x RTSN ($96.5M).
- MRK has been more active in the news (20 items in the past 4 weeks vs 3 for RTSN).
- MRK has more recent analyst coverage (25 ratings vs 0 for RTSN).
- Company
- Merck & Company Inc.
- Retension Pharmaceuticals Inc.
- Price
- -
- -
- Market cap
- $362.27B
- $96.5M
- 1M return
- -0.37%
- -
- 1Y return
- +58.15%
- -
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NYSE
- NASDAQ
- IPO
- 2026
- News (4w)
- 20
- 3
- Recent ratings
- 25
- 0
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.
Retension Pharmaceuticals Inc.
Retension Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing medicines for the treatment of hypertension and other cardiovascular diseases. The Company's lead clinical candidate, RTN-001, is in development for patients with uncontrolled and resistant hypertension.
Latest MRK
- Merck Receives Positive EU CHMP Opinion to Expand Marketing Authorization for ENFLONSIA® (clesrovimab) to Include Children Up to 24 Months of Age Who Remain Vulnerable to Severe RSV Disease Through Their Second RSV Season
- 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