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Ionis Pharmaceuticals
About Ionis Pharmaceuticals
Ionis Pharmaceuticals, accessible via ionispharma.com, is a biotechnology company dedicated to the discovery, development, and delivery of genetic medicines that transform lives. The company focuses on creating treatments that address the root causes of diseases, offering hope and improved futures for patients. Ionis operates in the biopharmaceutical market, specifically targeting genetic disorders and other serious health conditions.
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The company serves a diverse range of clients, including patients, healthcare providers, and pharmaceutical partners. Ionis' business model revolves around leveraging its proprietary technology platform to develop innovative therapies. This platform includes their generation 2.5 chemistry, known as constrained ethyl (cET), which enhances the potency and distribution of their medicines across multiple tissues.
Ionis generates revenue through various streams. Primarily, it earns money by licensing its technology and drug candidates to larger pharmaceutical companies. Additionally, Ionis commercializes its own products through its subsidiary, Akcea Therapeutics, which markets drugs like inotersen and volanesorsen. These products are aimed at treating rare and serious diseases, further solidifying Ionis' position in the market.
The company's commitment to diversity, equity, and inclusion (DEI) is evident in its corporate culture. Ionis fosters an inclusive environment where all employees feel valued and empowered to contribute, leading to better ideas and increased innovation. This inclusive culture is seen as a key driver of the company's success and ability to deliver groundbreaking medicines.
In summary, Ionis Pharmaceuticals is a pioneering biotech firm focused on genetic medicines, serving patients and healthcare providers, and generating revenue through licensing and product commercialization. The company's dedication to innovation and inclusive culture positions it as a leader in the biopharmaceutical industry.
At a glance
- Status
- Listed
- Founded
- 1989
- Headquarters
- Carlsbad, United States
- Listing
- IPO 1991
- Employees
- 1,566
- Open positions
- None listed
- Dealroom signal
- 59.9/100
- Industry
- Health
- Sub-industry
- Pharmaceutical, BioTechnology
- Sector
- Biotech & Life Sciences, Biotechnology, Drug Development
- Business model
- Manufacturing
- Client focus
- b2b
- Investment activity
- 4 companies, latest Jan 2021
- Capital deployed
- $112M
- Preferred round
- SERIES A
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| POST IPO DEBT✓Debt | Nov 2025 | $0 | — | Undisclosed | ↗ |
| POST IPO CONVERTIBLE✓Other financing | Nov 2025 | $700M | — | Undisclosed | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Ionis Pharmaceuticals is 53K monthly website visits, up 39.5% over the last three months. Ionis Pharmaceuticals's team grew 113.6% over the past year.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Aro BiotherapeuticsPhiladelphia, United StatesFocused on the development of a new protein drug platform
$440Mvaluation
EmpiricoSan Diego, United StatesHuge biological datasets, human genetics, and programmable biology to power novel target discovery and development
$181Mvaluation
iCo TherapeuticsVancouver, CanadaFocuses on developing drugs that are off-patent, currently approved, or near commercialization
→
Atlantic HealthcareLondon, United KingdomSpecialty pharma developing therapeutics for gastrointestinal disorders
→
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Other known investors1 additional known investor
Bessemer Venture Partners
Source: Dealroom Talent Intelligence.
Global footprint
Market sentiment
An AI-synthesised read of the highest-engagement posts about Ionis Pharmaceuticals on X, ranked by likes and reposts, corporate channels excluded.
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Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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