IONS vs NBIX Comparison

Ionis Pharmaceuticals is the leading developer of antisense technology to discover and develop novel drugs. Its broad clinical and preclinical pipeline targets a wide variety of diseases, with an emphasis on cardiovascular, metabolic, neurological, and rare diseases. Ionis and Biogen brought Spinraza to market in 2016 as a treatment for spinal muscular atrophy, and Biogen launched ALS drug Qalsody in 2023. Ionis brought two additional drugs to market via its cardiovascular-focused subsidiary Akcea, including ATTR amyloidosis drug Tegsedi (2018) and cardiology drug Waylivra (Europe, 2019). Ionis and AstraZeneca launched polyneuropathy drug Wainua in 2024. Ionis marked its first two independent launches in 2025 for Tryngolza (for FCS) and Dawnzera (for HAE).

Neurocrine Biosciences Inc is a biopharmaceutical firm focused on the research, development, and commercialization of treatments for neurological, psychiatric, endocrine, and immunological disorders. Its portfolio includes therapies for conditions such as tardive dyskinesia, chorea associated with Huntington's disease, classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency, and treatments for endometriosis and uterine fibroids. The company also maintains a pipeline of drug candidates in various stages of clinical and preclinical development across its therapeutic areas, including small molecules, peptides, proteins, antibodies, conjugates, and gene therapies. It derives revenue from the sale of its pharmaceutical products.