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Ionis Pharmaceuticals(NASDAQ) IONS

Market Cap$10.10BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.
Since IPO (1991)+508%
5 Year+55%
1 Year+43%
1 Month+15%
Premium Feature
Moneyball Superscore
74/100
$58.99
-2.98%
-1.81Today
Ionis Pharmaceuticals last closing stock price
MetricPriceDate
Last closeUSD 60.802026-08-19
Ionis Pharmaceuticals stock price return by period
PeriodPrice returnPrice at period startPeriod start date
1 week+7.55%USD 56.532026-08-12
1 month+14.83%USD 52.952026-07-20
3 month-19.77%USD 75.782026-05-21
Year to date-23.14%USD 79.112025-12-31
1 year+43.13%USD 42.482025-08-19
3 year+56.5%USD 38.852023-08-18
5 year+54.87%USD 39.262021-08-20
Since inception+508%USD 10.001991-05-17

Ionis Pharmaceuticals Financials at a Glance

Market Cap

$10.10BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Revenue (TTM)

$873.76M

Net Income (TTM)

-$564.78M

EPS (TTM)

-$3.47

P/E Ratio

-17.51

Dividend

$0.00

Beta (Volatility)

0.78 (Low)

Price

$58.99

Volume

874,426.266

Open

$60.03

Previous Close

$60.80

Daily Range

$58.84 - $60.41

52-Week Range

$41.71 - $86.74

Estimated Earnings Date

Nov 4, 2026

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74

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About Ionis Pharmaceuticals

Ionis Pharmaceuticals, Inc. treats serious genetic diseases. These medicines help people with rare muscle and nerve conditions. The company targets genetic instructions in cells to stop disease.

What Does Ionis Sell?

  • Neuromuscular Medicines: SPINRAZA treats spinal muscular atrophy, which is a disease that weakens muscles; partner Biogen commercializes this therapy worldwide.
  • Metabolic Therapies: TRYNGOLZA reduces fats in the blood for adults with severe hypertriglyceridemia, which is excessively high fat levels; the company independently launched this medicine in June 2026.
  • Hereditary Prophylaxis: DAWNZERA prevents swelling attacks caused by hereditary angioedema; the firm independently launched this treatment in the U.S. in August 2025.
  • Nerve Condition Treatments: WAINUA treats nerve damage caused by a rare genetic condition; the company co-developed this therapy with AstraZeneca.

Where Is the Company Growing?

  • Launched TRYNGOLZA in the U.S. market following approval from the Food and Drug Administration (FDA) in June 2026.
  • Licensed commercialization rights for DAWNZERA in Europe and the Asia-Pacific region to Otsuka Pharmaceutical Co., Ltd.
  • Advanced zilganersen for Alexander disease toward a Prescription Drug User Fee Act (PDUFA) regulatory deadline of Sept. 22, 2026.
  • Earned a $280 million upfront payment from Ono Pharmaceutical Co., Ltd. for the global license of sapablursen in the second quarter of 2025.

Innovation and Global Partnerships

Ionis utilizes proprietary technology to develop medicines that target the genetic source of serious diseases. It leverages a broad network of pharmaceutical partners, including Biogen, AstraZeneca, and Novartis, to manage global distribution and research costs.

Financial Performance Highlights

  • Market capitalization reached $13.1 billion in Q2 2026, up 108.6% year over year.
  • Commercial revenue increased 27% during the six-month period ended June 30, 2026.
  • Total net product sales reached $74.1 million in the first half of 2026.
  • Basic net loss was $1.25 per share for the six-month period ended June 30, 2026.
  • Total revenue was $514 million for the six-month period ended June 30, 2026.

Bottom Line

Ionis has evolved into a commercial-stage biotechnology company by launching independent products while maintaining a robust partner pipeline. This transition from a research focus to active sales marks a significant shift in its business model.

AI Generated • Aug 4, 2026

Industry

Biotechnology

Employees

1,402

CEO

Brett P. Monia, PhD

Headquarters

Carlsbad, CA 92010, US

IONS Financials

Key Financial Metrics (TTM)

Gross Margin

98.16%

Operating Margin

-68.09%

Net Income Margin

-64.64%

Return on Equity

-110.84%

Return on Capital

-12.31%

Return on Assets

-18.86%

Earnings Yield

-5.71%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$10.10BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Shares Outstanding

166.18M

Volume

874.43K

Avg. Volume

2.88M

Financials (TTM)

Gross Profit

$857.70M

Operating Income

-$594.90M

EBITDA

$4.33B

Operating Cash Flow

-$496.43M

Capital Expenditure

-$62.44M

Free Cash Flow

-$558.88M

Cash & ST Invst.

$2.05B

Total Debt

$2.42B

Ionis Pharmaceuticals Performance Analysis

Ionis Pharmaceuticals annual revenue and year-over-year revenue growth by fiscal year
Fiscal yearPeriod endRevenueYoY growth
20222022-12-31USD 587,367,000-27.5%
20232023-12-31USD 787,647,00034.1%
20242024-12-31USD 705,138,000-10.5%
20252025-12-31USD 943,711,00033.8%
Ionis Pharmaceuticals sequential (quarter-over-quarter) revenue growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30-65.3%
Q42025-12-3129.5%
Q12026-03-3121.2%
Q22026-06-308.9%
Ionis Pharmaceuticals annual diluted earnings per share and year-over-year EPS growth by fiscal year
Fiscal yearPeriod endDiluted EPSYoY growth
20222022-12-31USD -1.90837.6%
20232023-12-31USD -2.5634.5%
20242024-12-31USD -3.0418.7%
20252025-12-31USD -2.38-21.5%
Ionis Pharmaceuticals sequential (quarter-over-quarter) diluted earnings per share growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30-217.6%
Q42025-12-31-76.2%
Q12026-03-3160.3%
Q22026-06-30-23.2%

Revenue Growth Rate

Annual and quarterly growth comparison

Earnings Per Share Growth Rate

Annual and quarterly EPS growth comparison

Quarterly Performance

Name
Q2 2026YOY CHG

Revenue

$267.95M

-40.7%

Gross Profit

$265.21M

-40.8%

Gross Margin

98.98%

N/A

Market Cap

$10.10BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

N/A

Market Cap/Employee

$6.83M

N/A

Employees

1,480

N/A

Net Income

-$114.65M

-192.8%

EBITDA

-$105.33M

-170.1%

Quarterly Fundamentals

Name
Q2 2026YOY CHG

Total Cash

$2.05B

-10.3%

Total Debt

$2.42B

+70.3%

Accounts Receivable

$58.85M

+11.9%

Inventory

$50.83M

+499.4%

Long Term Debt

$2.18B

+175.5%

Short Term Debt

$242.00M

-61.6%

Return on Assets

-18.86%

N/A

Return on Invested Capital

-22.21%

N/A

Free Cash Flow

$549.45M

+300.9%

Operating Cash Flow

$565.53M

+273.7%

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Questions About IONS

What is the current price of Ionis Pharmaceuticals?

Ionis Pharmaceuticals is trading at $59.01 per share.

What is the 52-week range for Ionis Pharmaceuticals?

Over the past 52 weeks, Ionis Pharmaceuticals has traded between $41.71 and $86.74.

How much debt does Ionis Pharmaceuticals have?

As of the most recent reporting period, Ionis Pharmaceuticals reported total debt of $2.19B.

How much cash does Ionis Pharmaceuticals have on hand?

Ionis Pharmaceuticals reported $350.07M in cash and cash equivalents in its most recent financial results.

What is Ionis Pharmaceuticals’s dividend yield?

Ionis Pharmaceuticals does not currently have a dividend yield.

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