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IONIS PHARMACEUTICALS INC

IONSNASDAQ
πŸ† #1034 by market capEarnings Oct 27US Equity
$45.89β–² $0.32 (+0.70%)
πŸŒ™ After hours$45.89β–² 0.00%Regular close Β· extended-hours price shown
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24hβ–² 0.7%
7dβ–² 4.5%
14dβ–² 2.4%
30dβ–Ό 23.9%
ytdβ–Ό 42.0%
1yβ–Ό 29.8%
🏦Market Cap
$7.63B
Small Cap
πŸ“ˆRevenue Growth (YoY)
+33.9%
High Growth
πŸ“ŠGross Margin
98.2%
High
πŸ’΅FCF Margin
-64.0%
Thin
βš–οΈP/S Ratio
8.7x
Elevated
Otter Score
68
Fair

Trading Snapshot

Day Range
$45.22 – $46.53
52-Week Range
$43.01 – $86.74
Volume
$5.08B
Avg Volume
$5.43B
Shares Outstanding
166.2M
Next Earnings
Nov 3, 2026

Fundamentals Snapshot

Annual Revenue
$944M
Last Q Revenue
$268M
P/E Ratio
-13.2
P/S Ratio
8.7x
EPS (TTM)
$-3.41
Dividend Yield
0.00%
Dilution (1yr)
+2.5%

Why Investors Own IONS

  • βœ“High-growth profile β€” revenue up +52.8% YoY with expanding US Equity exposure.
  • βœ“Healthy economics β€” 27% gross margin and 18% free-cash-flow margin.
  • βœ“New products and segments could unlock additional revenue streams.
⚠️ Key Risks

Execution delays, intensifying competition, and valuation compression if growth decelerates.

IONS logo

IONIS PHARMACEUTICALS INC

IONS
Financial Trends
RevenueThe total money the company brought in from sales, before subtracting any costs.
$944Mβ–² +33.9% YoY
Gross MarginOf every $1 of sales, how much is left after the direct cost of making the product/service. Higher = more efficient.
98.3%β–Ό βˆ’0.1% YoY
Operating IncomeProfit from the core business after operating costs, but before interest and taxes. Negative means the core business isn’t profitable yet.
βˆ’$382Mβ–Ό βˆ’19.6% YoY
Free Cash FlowCash left over after running the business and paying for equipment/capex. Negative means the company is burning cash.
βˆ’$320Mβ–Ό βˆ’41.4% YoY
Shares OutstandingHow many shares exist. Rising means the company is issuing more shares, which dilutes (shrinks) each existing owner’s slice.
162.0Mβ–² +2.5% YoY
Net CashCash minus total debt. Positive = more cash than debt (financially strong); negative = more debt than cash (net debt).
βˆ’$2.2Bβ–Ό βˆ’$1.1B YoY
StockOtter Β· stockotter.space

About IONIS PHARMACEUTICALS INC

Founded in 1989 and headquartered in Carlsbad, California, Ionis Pharmaceuticals, Inc. is a biopharmaceutical company specializing in the discovery and development of RNA-targeted therapies within the United States. Its commercial portfolio includes three key medications: SPINRAZA, prescribed for spinal muscular atrophy (SMA) in both children and adults; TEGSEDI, an injectable treatment targeting polyneuropathy associated with hereditary transthyretin-mediated amyloidosis in adult patients; and WAYLIVRA, which addresses familial chylomicronemia syndrome and familial partial lipodystrophy. Ionis also maintains a robust pipeline, with several drug candidates currently in Phase 3 clinical trials. These include Eplontersen, a monthly self-administered subcutaneous injection designed for all forms of TTR amyloidosis; Olezarsen, intended for individuals with severe hypertriglyceridemia (SHTG); Donidalorsen, for patients suffering from hereditary angioedema; ION363, aimed at amyotrophic lateral sclerosis (ALS); Pelacarsen, developed for those with established cardiovascular disease and elevated lipoprotein(a); and Tofersen, which works by inhibiting the production of superoxide dismutase 1. Beyond these late-stage assets, the company is actively researching treatments for metabolic, infectious, renal, and ophthalmic diseases, as well as various types of cancer. The firm engages in significant collaborations, notably a strategic partnership with Biogen Inc. Additionally, it holds licensing and collaboration agreements with AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis AG, Roche, Janssen Biotech, Inc., and Flamingo Therapeutics, Inc.

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Otter Score Breakdown

How it's scoredFive components, each rated 1–5β˜… and equally weighted (20%), averaged to a 0–100 score:πŸ’Ž Quality β€” gross marginπŸš€ Growth β€” revenue YoYβš–οΈ Valuation β€” P/S ratio⚑ Momentum β€” 30-day price changeπŸ’§ Dilution β€” 1-yr share issuance (buybacks score higher)
πŸ’ŽQualityβ˜…β˜…β˜…β˜…β˜…
πŸš€Growthβ˜…β˜…β˜…β˜…β˜…
βš–οΈValuationβ˜…β˜…β˜…β˜…β˜…
⚑Momentumβ˜…β˜…β˜…β˜…β˜…
πŸ’§Dilutionβ˜…β˜…β˜…β˜…β˜…
Overall Score
Fair
68/100

Analyst Price Target

β“˜
Average Target
$57.63
β–² +25.6% Upside
High Target$71.42
Low Target$46.44
Based on 18 analysts

Latest News & Updates

πŸš€
Zacks Investment ResearchΒ·1d ago

4 RNA Therapeutics Stocks Leading the Next Wave of Innovation

RNA therapeutics are gaining momentum as Alnylam, Ionis, Wave Life Sciences and Arcturus advance innovative treatments targeting a range of diseases.

Zacks Investment ResearchΒ·6d ago

Ionis Delivers Positive Late-Stage Results for Two Partnered Drugs

IONS posts positive phase III results for two partnered drugs, with ulefnersen meeting its ALS endpoint and sefaxersen cutting proteinuria.

BenzingaΒ·6d ago

Ionis and Roche Advance First RNA-Targeted Therapy for Autoimmune Kidney Disease

Ionis Pharmaceuticals Inc. (NASDAQ:IONS) and licensing partner Roche Holdings AG (OTC:RHHBY) on Wednesday shared prespecified interim outcomes from their ongoing Phase 3 IMAgINATION trial of investigational sefaxersen in

Business WireΒ·7d ago

Ionis announces positive interim data from partner Roche's Phase 3 IMAgINATION study in IgA nephropathy (IgAN)

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) and partner Roche today announced positive prespecified interim results from the ongoing Phase 3 IMAgINATION study evaluating investigational

ReutersΒ·7d ago

Otsuka, Ionis' experimental ALS drug meets main goal in late-stage study

Otsuka Pharmaceutical and Ionis Pharmaceuticals said on Tuesday their experimental drug met the main ​goal of a late-stage study in patients β€Œwith a rare inherited form of amyotrophic lateral sclerosis, or ALS.

Business WireΒ·7d ago

Otsuka Announces Transformative Phase 3 FUSION Results for Ulefnersen, Bringing the FUS-ALS Community Closer to a Potential Targeted Treatment

PRINCETON, N.J. & TOKYO--(BUSINESS WIRE)--Otsuka Pharmaceutical Development & Commercialization, Inc., Otsuka Pharmaceutical Co., Ltd. (Otsuka) and Ionis Pharmaceuticals, Inc. today announced positive topline results fro