Ionis PharmaceuticalsIONS
About: 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 received FDA approval in 2024 for Tryngolza for a rare high-triglyceride syndrome, marking its first independent launch.
Employees: 927
Fund manager confidence
Based on 2024 Q4 regulatory disclosures by fund managers ($100M+ AUM)
33% more funds holding in top 10
Funds holding in top 10: 3 [Q3] → 4 (+1) [Q4]
18% more first-time investments, than exits
New positions opened: 59 | Existing positions closed: 50
3.02% more ownership
Funds ownership: 98.61% [Q3] → 101.63% (+3.02%) [Q4]
1% more repeat investments, than reductions
Existing positions increased: 119 | Existing positions reduced: 118
0% more funds holding
Funds holding: 349 [Q3] → 350 (+1) [Q4]
10% less capital invested
Capital invested by funds: $6.22B [Q3] → $5.61B (-$610M) [Q4]
15% less call options, than puts
Call options by funds: $26.1M | Put options by funds: $30.5M
Research analyst outlook
7 Wall Street Analysts provided 1 year price targets over the past 3 months
7 analyst ratings
Needham Joseph Stringer 21% 1-year accuracy 25 / 118 met price target | 111%upside $60 | Buy Reiterated | 15 Apr 2025 |
HC Wainwright & Co. Mitchell Kapoor 30% 1-year accuracy 56 / 186 met price target | 58%upside $45 | Buy Initiated | 7 Apr 2025 |
Redburn Atlantic Joshua Smith 0% 1-year accuracy 0 / 2 met price target | 37%upside $39 | Neutral Initiated | 31 Mar 2025 |
JP Morgan Jessica Fye 56% 1-year accuracy 20 / 36 met price target | 58%upside $45 | Neutral Maintained | 24 Mar 2025 |
Citigroup David Lebowitz 42% 1-year accuracy 8 / 19 met price target | 125%upside $64 | Buy Maintained | 20 Feb 2025 |
Financial journalist opinion
Based on 5 articles about IONS published over the past 30 days









