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Ionis Pharmaceuticals, Inc.

IONSNASDAQHealthcareBiotechnology

$43.91Today:- (-)1Y −38.59%

As of Oct 22, 2026 close

Market cap
$7.26B
P/E (TTM)
-
Forward P/E
-
Dividend yield
-
52-week range
$42.08$86.74
Volume (live)
-
Avg. volume (3M)
3.80M

Ionis Pharmaceuticals (IONS) Stock Price & Financial Analysis

Ionis Pharmaceuticals Stock Price Chart

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Financial Metrics & Key Statistics

Fundamental metrics, valuation ratios, and profitability indicators

Price & Trading Activity
Day's Range$43.41 - $45.15
52-Week High$86.74
52-Week Low$42.08
Open$45.02
Volume (last close)5.01M
Average Volume (3M)3.80M
Earnings & Profitability
Revenue (TTM)873.76M
Net Income (TTM)-564.78M
Free Cash Flow (TTM)-562.51M
EPS (TTM)−$3.46
Profit Margin-64.64%
Operating Margin-68.09%
Return on Equity (ROE)-128.44%
Debt to Equity5.50
Dividend Information
Annual Dividend$0.00
Dividend Yield0.00%
Last Dividend Ex-DateFeb 17, 2000
Size & Valuation
Market Cap7.26B
Shares Outstanding165.42M
Price to Sales (P/S)8.31
Price to Book (P/B)16.52
EV/EBITDA2.14
Technical Indicators
50-Day MA$51.25
200-Day MA$68.25
1-Year Change−38.59%

Source: Market prices and company fundamentals. Data as of Oct 22, 2026. Data sources and methodology

Compare IONS with other stocks

Ionis Pharmaceuticals at a Glance

As of the Oct 22, 2026 close, Ionis Pharmaceuticals (IONS) has a market capitalization of $7.26B. The stock trades at 8.3× sales. Over the trailing twelve months it lost $564.78M on revenue of $873.76M and burned $562.51M of free cash flow. Revenue fell 7.4% year over year.

As of its latest reported balance sheet, it holds $350.06M in cash and securities against $2.42B of debt, a net debt position of $2.07B.

Ionis Pharmaceuticals does not currently pay a dividend.

The share price is down 38.6% over the past year. At $43.91 (the Oct 22, 2026 close) it sits near the bottom of its 52-week range of $42.08 to $86.74, below its 200-day moving average of $68.25.

Based on 22 professional analyst ratings from the past 90 days, the consensus is Buy with an average price target of $83.89, 91.0% above the Oct 22, 2026 close.

Frequently Asked Questions About Ionis Pharmaceuticals

What is the current stock price for IONS?

As of the Oct 22, 2026 close, IONS stock trades at $43.91. The 52-week range is $42.08–$86.74, with a day range of $43.41–$45.15.

What is the P/E ratio for IONS?

The P/E ratio (Price-to-Earnings) for IONS is shown in the Key Statistics section. This valuation metric helps compare Ionis Pharmaceuticals, Inc. to industry peers.

Does IONS pay dividends?

Ionis Pharmaceuticals does not currently pay a regular dividend. It reported a net loss over the trailing twelve months, so it has no earnings to distribute. Check the Dividends tab for historical dividend information.

What do analysts recommend for IONS?

Based on ratings from 22 professional analysts over the last 90 days, the consensus for IONS is Buy. The average 12-month price target is $83.89, a 91.0% upside from the Oct 22, 2026 close of $43.91.

What is the market cap of IONS?

As of the Oct 22, 2026 close, Ionis Pharmaceuticals's market capitalization is $7.26B, classifying it as a mid-cap company. Ionis Pharmaceuticals operates in the Healthcare sector within the Biotechnology industry.