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 $269.81B, about 21.9x IONS ($12.34B).
- Over the past year, IONS is up 136.1% and MRK is up 31.1% - IONS leads by 105.0 points.
- IONS has been more active in the news (16 items in the past 4 weeks vs 12 for MRK).
- Both have 25 recent analyst ratings on file.
- Company
- Ionis Pharmaceuticals Inc.
- Merck & Company Inc.
- Price
- $74.79-0.05%
- $109.17-1.66%
- Market cap
- $12.34B
- $269.81B
- 1M return
- -0.39%
- -9.20%
- 1Y return
- +136.08%
- +31.12%
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NASDAQ
- NYSE
- IPO
- News (4w)
- 16
- 12
- 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
- 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)
- SEC Form 10-Q filed by Ionis Pharmaceuticals Inc.
- Ionis Pharmaceuticals Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Ionis reports first quarter 2026 financial results and highlights progress on key programs
- Ionis partner GSK announces bepirovirsen accepted for Priority Review and granted Breakthrough Therapy Designation by U.S. FDA as a potential first-in-class medicine for chronic hepatitis B
- SEC Form DEFA14A filed by Ionis Pharmaceuticals Inc.
- SEC Form DEF 14A filed by Ionis Pharmaceuticals Inc.
- Canaccord Genuity initiated coverage on Ionis Pharma with a new price target
- Ionis Pharmaceuticals Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits
- Ionis presents new data from pivotal study of zilganersen in Alexander disease (AxD) at AAN 2026 Annual Meeting
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.