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Ionis Pharmaceuticals Inc. (IONS)
NASDAQ:IONS
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Ionis Pharmaceuticals (IONS) AI Stock Analysis

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IONS

Ionis Pharmaceuticals

(NASDAQ:IONS)

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Neutral 49 (OpenAI - 5.2)
Rating:49Neutral
Price Target:
$73.00
▼(-3.58% Downside)
Action:Reiterated
Date:06/13/26
The score is held down primarily by weak financial fundamentals—ongoing losses, significant cash burn, and high leverage—despite improving revenue growth. Technical indicators also reflect soft momentum. Offsetting these, the latest earnings call and recent clinical/regulatory events were constructive, with raised revenue guidance and multiple upcoming catalysts.
Positive Factors
High gross margins & improving revenue
Extremely high gross margins (~98%+) and improving revenue mix provide durable product economics for antisense medicines. As commercial volumes scale and partner royalties grow, these margins support a path to operating leverage, helping absorb R&D and commercial spending over the next several years.
Negative Factors
Elevated leverage
Material increase in leverage from historical norms constrains financial flexibility. High debt-to-equity amplifies refinancing and covenant risk if capital markets tighten, raising probability of dilution or costly financing and limiting ability to self-fund launches absent partner milestones.
Read all positive and negative factors
Positive Factors
Negative Factors
High gross margins & improving revenue
Extremely high gross margins (~98%+) and improving revenue mix provide durable product economics for antisense medicines. As commercial volumes scale and partner royalties grow, these margins support a path to operating leverage, helping absorb R&D and commercial spending over the next several years.
Read all positive factors

Ionis Pharmaceuticals Key Performance Indicators (KPIs)

Any
Any
Revenue by Product
Revenue by Product
Shows revenue generated from individual products, highlighting which drugs are driving sales and indicating the company's reliance on specific treatments for growth.
Chart InsightsIonis Pharmaceuticals is experiencing a strategic shift with Wainua showing strong growth since its 2024 launch, while Spinraza and Tegsedi and Waylivra face declining revenues. The earnings call highlights robust revenue growth and successful product launches, notably Tringolza, which is driving increased guidance. Despite operating losses, Ionis is optimistic about its pipeline, with new approvals and positive trial results promising future revenue streams. The focus on expanding their product portfolio and overcoming patient identification challenges for Tringolza could significantly impact future performance.
Data provided by:The Fly

Ionis Pharmaceuticals (IONS) vs. SPDR S&P 500 ETF (SPY)

Ionis Pharmaceuticals Business Overview & Revenue Model

Company Description
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 includ...
How the Company Makes Money
Ionis primarily makes money through (1) commercial product revenues and (2) partnered-development economics such as license fees, milestone payments, and royalties. Commercial revenues come from selling medicines that Ionis markets directly in cer...

Ionis Pharmaceuticals Earnings Call Summary

Earnings Call Date:Apr 29, 2026
(Q1-2026)
|
% Change Since: |
Next Earnings Date:Aug 05, 2026
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.
Positive Updates
Strong Quarter Revenue Growth
Total Q1 revenue of $246 million, up 87% year-over-year, driven by commercial sales and ~ $95 million in milestone/R&D revenue from partners.
Negative Updates
Anticipated Near-Term Revenue Pressure from Price Reset
Company implemented an annual WAC price of $40,000 effective April 1 for Tryngolza/olezarsen which the company expects will cause a significant decline in Q2 Tryngolza revenue (guidance assumes a Q2 drop then steady return to growth post-approval).
Read all updates
Q1-2026 Updates
Negative
Strong Quarter Revenue Growth
Total Q1 revenue of $246 million, up 87% year-over-year, driven by commercial sales and ~ $95 million in milestone/R&D revenue from partners.
Read all positive updates
Company Guidance
The company raised 2026 financial guidance, now expecting total revenue of $875–$900 million (up $75 million versus prior guidance) driven by growing commercial mix, after reporting Q1 revenue of $246 million (+87% YoY) that included ~$95 million of milestone/R&D revenue; Q1 commercial revenue was up >42% YoY with Tryngolza product sales >$27 million and DAWNZERA $16 million (DAWNZERA +125% QoQ). Product-level guidance was provided for the first time: Tryngolza $100–$110 million and DAWNZERA $110–$120 million for 2026 (Tryngolza price reset to $40,000 annual WAC effective April 1). Q1 operating expenses rose ~29% YoY; 2026 operating expenses are expected to increase in the low-teens percentage range with R&D roughly flat, non‑GAAP operating loss now guided to -$425M to -$475M (a $75M improvement), cash of ~$1.9B at quarter end (including $633M used to repay convertible notes) and projected year‑end cash >$1.6B, with cash‑flow breakeven targeted in 2028; key regulatory dates include olezarsen PDUFA June 30 and zilganersen PDUFA Sept 22.

Ionis Pharmaceuticals Financial Statement Overview

Summary
Revenue growth has improved meaningfully (TTM ~12.1%) with structurally strong gross margins (~98%+), but results remain dominated by persistent net losses (TTM net margin ~-30.9%), heavy cash burn (TTM FCF about -$971M), and elevated leverage (TTM debt-to-equity ~4.6x), which increases financial risk.
Income Statement
34
Negative
Balance Sheet
27
Negative
Cash Flow
22
Negative
BreakdownTTMDec 2025Dec 2024Dec 2023Dec 2022Dec 2021
Income Statement
Total Revenue1.06B944.00M705.14M787.65M587.37M810.46M
Gross Profit1.04B928.00M693.92M778.51M573.25M799.61M
EBITDA4.59B-286.75M-353.72M-235.87M-227.76M-5.19M
Net Income-326.58M-381.00M-453.90M-366.29M-269.72M-28.60M
Balance Sheet
Total Assets3.45B3.52B3.00B2.99B2.53B2.61B
Cash, Cash Equivalents and Short-Term Investments1.92B2.68B2.30B2.33B2.00B2.13B
Total Debt2.04B2.61B1.42B1.45B1.37B1.25B
Total Liabilities2.96B3.03B2.42B2.60B1.96B1.84B
Stockholders Equity491.41M489.09M588.35M386.69M572.89M771.74M
Cash Flow
Free Cash Flow-971.26M-320.03M-546.23M-335.52M-294.47M12.90M
Operating Cash Flow-910.63M-268.58M-500.95M-307.51M-274.37M30.80M
Investing Cash Flow88.58M-277.78M-134.03M-214.13M-262.64M194.91M
Financing Cash Flow730.90M675.84M478.06M644.08M-55.30M245.93M

Ionis Pharmaceuticals Technical Analysis

Technical Analysis Sentiment
Neutral
Last Price75.71
Price Trends
50DMA
74.90
Negative
100DMA
76.54
Negative
200DMA
75.00
Negative
Market Momentum
MACD
-0.37
Positive
RSI
48.48
Neutral
STOCH
42.59
Neutral
Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For IONS, the sentiment is Neutral. The current price of 75.71 is above the 20-day moving average (MA) of 74.68, above the 50-day MA of 74.90, and above the 200-day MA of 75.00, indicating a bearish trend. The MACD of -0.37 indicates Positive momentum. The RSI at 48.48 is Neutral, neither overbought nor oversold. The STOCH value of 42.59 is Neutral, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Neutral sentiment for IONS.

Ionis Pharmaceuticals Risk Analysis

Ionis Pharmaceuticals disclosed 37 risk factors in its most recent earnings report. Ionis Pharmaceuticals reported the most risks in the "Finance & Corporate" category.
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
Latest Risks Added 0 New Risks

Ionis Pharmaceuticals Peers Comparison

Overall Rating
UnderperformOutperform
Sector (51)
Financial Indicators
Name
Overall Rating
Market Cap
P/E Ratio
ROE
Dividend Yield
Revenue Growth
EPS Growth
68
Neutral
$22.61B-73.62-6.85%-89.16%-84.69%
62
Neutral
$14.40B24.51-5641.90%155.14%
62
Neutral
$33.29B-83.22%-76.93%
54
Neutral
$12.98B-17.7836.00%355.17%-6.09%
51
Neutral
$7.86B-0.30-43.30%2.27%22.53%-2.21%
51
Neutral
$11.52B-38.72-55.45%14.09%-58.14%
49
Neutral
$12.08B-58.57%47.40%32.85%
* Healthcare Sector Average
Performance Comparison
Ticker
Company Name
Price
Change
% Change
IONS
Ionis Pharmaceuticals
74.12
36.71
98.13%
ARWR
Arrowhead Pharmaceuticals
81.82
66.50
434.07%
ASND
Ascendis Pharma
230.83
53.93
30.49%
BBIO
BridgeBio Pharma
66.27
24.54
58.81%
RVMD
Revolution Medicines
162.99
123.33
310.97%
ROIV
Roivant Sciences
31.43
19.98
174.50%

Ionis Pharmaceuticals Corporate Events

Business Operations and StrategyProduct-Related Announcements
Ionis Highlights Positive Long-Term Olezarsen Data in Hypertriglyceridemia
Positive
Jun 12, 2026
On June 12, 2026, Ionis Pharmaceuticals reported positive new data from its CORE-OLE open-label extension study evaluating olezarsen in patients with severe hypertriglyceridemia, presented at the National Lipid Association Scientific Sessions in C...
Business Operations and StrategyExecutive/Board ChangesShareholder Meetings
Ionis Pharmaceuticals Adds Veteran Leader to Board
Positive
Jun 8, 2026
Ionis Pharmaceuticals on June 4, 2026, appointed veteran biopharmaceutical executive Ludwig Hantson, Ph.D., to its board of directors, adding a former Alexion chief executive with extensive experience at Baxter, Novartis and Johnson Johnson as th...
Business Operations and StrategyProduct-Related Announcements
Ionis Gains on Positive Phase 3 Hepatitis B Data
Positive
May 28, 2026
On May 28, 2026, Ionis Pharmaceuticals said partner GSK reported positive pivotal Phase 3 data for bepirovirsen, an antisense oligonucleotide for chronic hepatitis B, showing a 19% functional cure rate in adults with baseline HBsAg ≤3000 IU/...
Business Operations and StrategyProduct-Related AnnouncementsRegulatory Filings and Compliance
Ionis Highlights Positive Zilganersen Data in Alexander Disease
Positive
Apr 21, 2026
On April 21, 2026, Ionis reported additional positive data from a pivotal Phase 1-3 study of its investigational RNA-targeted drug zilganersen in children and adults with Alexander disease, a rare, progressive and often fatal neurological disorder...
Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.Date of analysis: Jun 13, 2026