Ionis Pharmaceuticals, Inc. (IONS) Stock Overview
NASDAQ · Healthcare · Biotechnology
✓ Sourced directly from Yahoo Finance · Checked for accuracy at every rebuild · Snapshot: 6 September 2026
About Ionis Pharmaceuticals, Inc.
Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; DAWNZERA for prophylaxis to prevent…
Source: Yahoo Finance
Sector & Industry
Ionis Pharmaceuticals, Inc. operates in the Healthcare sector, within the Biotechnology industry group. It is listed on the NASDAQ exchange.
Ionis Pharmaceuticals, Inc. at a Glance
| Company | Ionis Pharmaceuticals, Inc. |
| Ticker | IONS |
| Exchange | NASDAQ |
| Currency | USD |
| Price | $58.09 |
| Market cap | $9.65B |
| P/E ratio (trailing) | — |
| EPS (trailing) | -$3.48 |
| 52-week high | $86.74 |
| 52-week low | $50.01 |
| Dividend yield | — |
| Ex-dividend date | — |
| Beta | 0.42 |
| Return on equity (ROE) | -105.50% |
| Debt-to-equity | 497.80% |
| Average volume | 3.01M |
| Shares outstanding | 166.18M |
| Sector | Healthcare |
| Industry | Biotechnology |
| Employees | 1,480 |
| Country | United States |
Investing Essentials
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Check Price →Evaluating pharma pipelines, devices and healthcare economics.
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Check Price →Frequently Asked Questions
- What is Ionis Pharmaceuticals, Inc.'s current P/E ratio?
- Ionis Pharmaceuticals, Inc. (IONS) has a trailing P/E ratio of — as of our 6 September 2026 data snapshot. Learn what the P/E ratio means →
- What is Ionis Pharmaceuticals, Inc.'s market capitalisation?
- Ionis Pharmaceuticals, Inc.'s market cap is $9.65B based on our latest snapshot. See how it ranks by market cap →
- What is IONS's 52-week range?
- Over the past 52 weeks, IONS has traded between $50.01 and $86.74. What does the 52-week range mean? →
- How volatile is Ionis Pharmaceuticals, Inc. compared to the market?
- Ionis Pharmaceuticals, Inc. has a beta of 0.42, meaning it has historically moved less than the broader market. What does beta measure? →
- Does Ionis Pharmaceuticals, Inc. pay a dividend?
- Ionis Pharmaceuticals, Inc. does not currently pay a dividend according to our latest data.
- What exchange is IONS listed on?
- IONS is listed on the NASDAQ. Browse all NASDAQ-listed stocks →
- What sector is Ionis Pharmaceuticals, Inc. in?
- Ionis Pharmaceuticals, Inc. is classified in the Healthcare sector. Compare with Healthcare peers →
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