ISI Stock Chart & Stats
€63.44
-€0.38(-1.12%)
At close: 4:00 PM EST
€63.44
-€0.38(-1.12%)
Day’s Range― - ―
52-Week Range€32.26 - €72.60
Previous CloseN/A
Volume0.00
Average Volume (3M)38.00
Market Cap
€11.81B
Enterprise Value€14.15B
Total Cash (Recent Filing)€1.92B
Total Debt (Recent Filing)€2.04B
Price to Earnings (P/E)―
Beta0.29
Next Earnings
Aug 05, 2026EPS Estimate
-0.93Next Dividend Ex-DateN/A
Dividend YieldN/A
Share Statistics
EPS (TTM)-1.99
Shares Outstanding165,262,560
10 Day Avg. Volume63
30 Day Avg. Volume38
Financial Highlights & Ratios
PEG Ratio1.53
Price to Book (P/B)25.88
Price to Sales (P/S)13.41
P/FCF Ratio-39.55
Enterprise Value/Market CapN/A
Enterprise Value/RevenueN/A
Enterprise Value/Gross ProfitN/A
Enterprise Value/EbitdaN/A
Forecast
1Y Price Target
€91.42Price Target Upside44.10% Upside
Rating ConsensusStrong Buy
Number of Analyst Covering19
EPS Forecast (FY)-3.17
Revenue Forecast (FY)€784.88M
Bulls Say, Bears Say
Bulls Say
FDA Approval & First Independent LaunchFDA approval of TRYNGOLZA creates a durable, company-controlled commercial revenue stream and marks Ionis’s first independent launch in a prevalent disease. This structural milestone expands its self‑commercial capability and diversifies revenue away from partner royalties.
Accelerating Commercial Revenue And Product GuidanceStrong quarter and first-time product-level guidance indicate durable uptake and clearer revenue visibility. Growing commercial sales and explicit product guidance imply improving market penetration and more predictable revenue streams over the next several quarters.
Structurally High Gross MarginsVery high gross margins provide strong operating leverage as sales scale, meaning incremental revenue can flow quickly to improved profitability once R&D/SG&A growth moderates. This structural advantage supports long-term margin expansion potential.
Bears Say
Elevated LeverageMaterially higher leverage reduces financial flexibility and raises refinancing or covenant risk if markets tighten. It increases the need for non-dilutive partner milestones or external financing and constrains strategic optionality during the multi-product launch period.
Sustained Negative Cash FlowPersistent cash burn requires ongoing financing, milestone receipts, or asset sales to fund operations. Even with substantial cash on hand today, continued negative FCF through near term heightens dilution or covenant risk until the company reaches targeted breakeven in 2028.
Price Reset And Payer Access Timing RiskA deliberate price reset plus typical payer review cycles can delay broad coverage and depress near-term uptake, creating multi-quarter variability in revenue realization. That reimbursement lag can materially affect cash flow and the pace at which launches scale.
ISI FAQ
What was Ionis Pharmaceuticals Inc.’s price range in the past 12 months?
Ionis Pharmaceuticals Inc. lowest stock price was €32.26 and its highest was €72.60 in the past 12 months.
What is Ionis Pharmaceuticals Inc.’s market cap?
Ionis Pharmaceuticals Inc.’s market cap is €11.81B.
When is Ionis Pharmaceuticals Inc.’s upcoming earnings report date?
Ionis Pharmaceuticals Inc.’s upcoming earnings report date is Aug 05, 2026 which is in 30 days.
How were Ionis Pharmaceuticals Inc.’s earnings last quarter?
Ionis Pharmaceuticals Inc. released its earnings results on Apr 29, 2026. The company reported -€0.489 earnings per share for the quarter, beating the consensus estimate of -€0.766 by €0.277.
Is Ionis Pharmaceuticals Inc. overvalued?
According to Wall Street analysts Ionis Pharmaceuticals Inc.’s price is currently Undervalued.
Does Ionis Pharmaceuticals Inc. pay dividends?
Ionis Pharmaceuticals Inc. does not currently pay dividends.
What is Ionis Pharmaceuticals Inc.’s EPS estimate?
Ionis Pharmaceuticals Inc.’s EPS estimate is -0.93.
How many shares outstanding does Ionis Pharmaceuticals Inc. have?
Ionis Pharmaceuticals Inc. has 165,262,560 shares outstanding.
What happened to Ionis Pharmaceuticals Inc.’s price movement after its last earnings report?
Ionis Pharmaceuticals Inc. reported an EPS of -€0.489 in its last earnings report, beating expectations of -€0.766. Following the earnings report the stock price went up 3.132%.
Which hedge fund is a major shareholder of Ionis Pharmaceuticals Inc.?
Currently, no hedge funds are holding shares in DE:ISI
What is the TipRanks Smart Score and how is it calculated?
Smart Score combines eight research factors - such as analyst recommendations, hedge fund trends, and technical indicators - to measure a stock’s outlook. These signals are unified into a single score that reflects bullish or bearish momentum. See detailed methodology
Ionis Pharmaceuticals Stock Smart Score
Outperform
1
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5
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7
8
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10
Analyst Consensus
Strong Buy
Average Price Target:
€91.42 (44.10% Upside)
€91.42 (44.10% Upside)
Blogger Sentiment
Bullish
DE:ISI Sentiment 70%
Sector Average ―
Sector Average ―
Technicals
SMA
Negative
20 days / 200 days
Momentum
87.65%
12-Months-Change
Fundamentals
Return on Equity
-58.57%
Trailing 12-Months
Asset Growth
22.65%
Trailing 12-Months
Company Description
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.
ISI Company Deck
ISI Earnings Call
Q1 2026
0:00 / 0:00
Earnings Call Sentiment|Positive
The call conveyed strong commercial and operational momentum—substantial year-over-year revenue growth (87%), meaningful milestone receipts (~$95M), multiple regulatory milestones and expanded product launches, plus an improved full-year revenue guide and tighter operating outlook. These positives are tempered by near-term headwinds from a price reset causing expected Q2 revenue pressure, elevated operating expenses and a large (but improving) non-GAAP operating loss, potential payer access timing delays, and an observed but described-as-managed hepatic fat signal in long-term data. On balance, the company’s growth drivers, expanded launch footprint, strengthened guidance and partner-led catalysts outweigh the challenges described.View all DE:ISI earnings summariesISI Revenue Breakdown
60.82% R&D
39.18% Commercial

ISI Stock 12 Month Forecast
All Analysts
Top Analysts
Average Price Target
€91.42
▲(44.10% Upside)
Technical Analysis
1 Day
3 Days
1 Week
1 Month
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