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Ionis Pharmaceuticals (IONS)
Ionis Pharmaceuticals stock price today, ATLAS forecast and fair value
Healthcare · Biotechnology · NASDAQ
$43.42▲ +1.14%
Prices as of Oct 26, 2026 · USD
Chance of rising in 1 month
49%
that it ends higher than today in 21 sessions
0%coin flip 50%100%
This is just the summary. See everything on Ionis Pharmaceuticals in ATLAS
ATLAS's own quantitative analysis, all in one place.
- Simulation and expected rangeThousands of simulated scenarios: how far the price could rise or fall.
- Officers and shareholdersWho runs the company and which funds hold its shares.
- Customer and supplier mapWho it does business with, from its own filings.
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On Ionis Pharmaceuticals
- Simulation and expected rangeThousands of simulated scenarios: how far the price could rise or fall.
- Officers and shareholdersWho runs the company and which funds hold its shares.
- Customer and supplier mapWho it does business with, from its own filings.
- Valuation and financialsFair value step by step, quarterly accounts and upcoming events.
- NewsThe latest on the company, in one place.
And for you
- ATLAS builds your portfolioAnswer a short test and get portfolios that fit you.
- AlertsWe let you know when something changes in your stocks.
- Crisis simulatorHow your portfolio would do in a crash like 2008.
- Practice risk-free$10,000 in virtual money to invest at real prices.
- Global screenerSearch US stocks and stocks from 47 countries with filters.
Plans from €3.99 a month.
ATLAS's model gives Ionis Pharmaceuticals a 49% chance of finishing higher a month from now (21 trading sessions) than today: close to a coin flip.
In half of the simulated outcomes the price ends between $40.30 and $46.63; in 9 out of 10, between $35.42 and $53.06. Estimated annual volatility is 43%.
Price, last 12 months (weekly close)
Key numbers
- Market cap
- $7.4B
- 52-week high
- $86.74
- 52-week low
- $42.08
- Revenue (12 months)
- $874M
- Revenue growth (YoY)
- +33.8%
- Gross margin
- 98.3%
- Operating margin
- -40.5%
- Net margin
- -40.4%
- Return on equity
- -105.5%
- Free cash flow (12 months)
- $-347M
- Beta
- 0.42
What this means
ATLAS does not publish a fair value for IONS right now, but it does show its odds of rising: close to a coin flip.
Over the last 52 weeks IONS has traded between $42.08 and $86.74. Today it is 49.9% below that high and 3% above its low.
On the business: revenue grew 33.8% year over year; net margin is 40.4%.
Its beta is 0.42: it tends to move less than the market.
About the company
Ionis Pharmaceuticals, Inc. is a commercial-stage biotechnology company focused on discovering and developing RNA-targeted medicines.
Want to see everything about Ionis Pharmaceuticals?
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Comparable companies
Other companies in the same line of business:
Frequently asked questions
What does Ionis Pharmaceuticals do?
Ionis Pharmaceuticals, Inc. is a commercial-stage biotechnology company focused on discovering and developing RNA-targeted medicines.
What is the chance IONS goes up next month?
49%: close to a coin flip. In half of the simulated outcomes, IONS ends the month between $40.30 and $46.63.
How big is Ionis Pharmaceuticals and what is its P/E ratio?
Ionis Pharmaceuticals's market capitalization is $7.4B. We do not show a P/E because it has no positive earnings to base one on.
How volatile is IONS?
ATLAS estimates annual volatility at 43%. In a typical month, half of the outcomes end between $40.30 and $46.63.
Not investment advice. ATLAS estimates are produced by statistical models from public data; they can be wrong and past performance does not predict future results. Consider your own situation before investing. Disclaimer