Compare · IONS vs MRK
IONS vs MRK
Side-by-side comparison of Ionis Pharmaceuticals Inc. (IONS) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both IONS and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- MRK is the larger of the two at $284.45B, about 22.8x IONS ($12.46B).
- Over the past year, IONS is up 120.9% and MRK is up 51.0% - IONS leads by 69.9 points.
- MRK has been more active in the news (15 items in the past 4 weeks vs 5 for IONS).
- Both have 25 recent analyst ratings on file.
- Company
- Ionis Pharmaceuticals Inc.
- Merck & Company Inc.
- Price
- $75.32-1.54%
- $115.16-3.01%
- Market cap
- $12.46B
- $284.45B
- 1M return
- +0.71%
- +5.48%
- 1Y return
- +120.91%
- +50.98%
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NASDAQ
- NYSE
- IPO
- News (4w)
- 5
- 15
- Recent ratings
- 25
- 25
Ionis Pharmaceuticals Inc.
Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for familial chylomicronemia syndrome and familial partial lipodystrophy. It is involved in developing neurology products that include Tominersen for Huntington's diseases; Tofersen for amyotrophic lateral sclerosis (ALS); IONIS-MAPTRx for Alzheimer's diseases; IONIS-C9Rx for genetic form of ALS; ION859 for Parkinson's disease; ION464 for multiple system atrophy and Parkinson's disease; ION541 for amyotrophic lateral sclerosis; and IONIS-DNM2-2.5Rx for centronuclear myopathy. The company is also developing products for cardiometabolic disease, such as IONIS-TTR-LRx for transthyretin amyloidosis and IONIS-GHR-LRx for acromegaly; IONIS-APOCIII-LRx for familial chylomicronemia syndrome and TG- driven diseases; IONIS-APOCIII-LRx for treatment resistant hypertension; Pelacarsen for Lp(a)cardiovascular disease risk reduction; Vupanorsen for sHTG/CVDRR; IONIS-FXI-LRx for clotting disorders; ION449 for cardiovascular diseases; and IONIS-GCGRRx for diabetics. In addition, it develops IONIS-ENAC-2.5Rx for cystic fibrosis and chronic obstructive pulmonary disease; IONIS-PKK-LRx for hereditary angioedema; Danvatirsen for cancer; IONIS-TMPRSS6-LRx for beta-thalassemia and iron toxicity; IONIS-HBVRx for hepatitis B virus; IONIS-AR-2.5Rx for prostate cancer; IONIS-FB-LRx for age-related macular degeneration and IgA nephropathy; and ION357 for retinitis pigmentosa. It has a collaboration agreement with AstraZeneca; GlaxoSmithKline plc; Janssen Biotech, Inc.; Bayer AG; Novartis AG; Pfizer, Inc.; Biogen Inc.; and Roche. Ionis Pharmaceuticals, Inc. was founded in 1989 and is based in Carlsbad, California.
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 IONS
- Ionis Pharmaceuticals Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits
- Ionis partner GSK announces bepirovirsen achieves unprecedented functional cure rates with potential to redefine treatment for chronic hepatitis B
- Citigroup initiated coverage on Ionis Pharma with a new price target
- Chief Executive Officer Monia Brett P exercised 4,536 shares at a strike of $32.60 and sold $356,012 worth of shares (4,536 units at $78.49) as part of a pre-agreed trading plan (SEC Form 4)
- Ionis partner Biogen announces topline results from Phase 2 CELIA study of diranersen (BIIB080): first study to show reduction in tau pathology and cognitive benefit in patients with early Alzheimer's disease
- Director Loscalzo Joseph exercised 77,289 shares at a strike of $48.74 and sold $5,801,226 worth of shares (77,289 units at $75.06) as part of a pre-agreed trading plan (SEC Form 4)
- Director Klein Joseph Iii exercised 10,111 shares at a strike of $47.11 and sold $743,238 worth of shares (10,111 units at $73.51) as part of a pre-agreed trading plan (SEC Form 4)
- Ionis to host 2026 virtual Annual Meeting of Stockholders
- Ionis to present at upcoming investor conferences
- EVP, Chief Business Officer Baroldi Joseph sold $116,727 worth of shares (1,626 units at $71.79) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 44,909 units (SEC Form 4)
Latest MRK
- Moderna and Merck Present 5-Year Data for Intismeran Autogene in Combination With KEYTRUDA (pembrolizumab) in Patients With High-Risk Stage III/IV Melanoma Following Complete Resection at the 2026 ASCO Annual Meeting
- SEC Form SD filed by Merck & Company Inc.
- FDA Grants Breakthrough Therapy Designation for Calderasib (MK-1084), an Investigational KRAS G12C Inhibitor, for Certain Patients with Newly Diagnosed Metastatic KRAS G12C-Mutant Non-Small Cell Lung Cancer (NSCLC)
- Merck & Company Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders
- Merck Congratulates Ontario Government on Expanding Pharmacy Scope to Help Improve Access to Care
- Merck to Participate in the Jefferies Global Healthcare Conference
- Merck Announces Third-Quarter 2026 Dividend
- Merck & Company Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits
- SEC Form 424B5 filed by Merck & Company Inc.
- Synergis Software Launches Adept Cloud, a Cloud-Native Engineering Document Management Platform Built for Asset-Intensive Industries