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Ionis Pharmaceuticals, Inc. Share Price

Ionis Pharmaceuticals, Inc. Share Price

NASDAQ: IONS | Mid Cap
$56.55
+$2.03 (3.72%) Last updated on 08 Aug, 2026 | 01:29 IST
  • Performance
  • Chart
  • Fundamentals
  • Quarterly P&L
  • Annual P&L
  • About
  • Price history
  • FAQs

Ionis Pharmaceuticals, Inc. Stock Performance

Open
$54.77
Prev. Close
$54.52
Circuit Range
N/A
Day Range
$54.41 - $56.53
Year Range
$40.14 - $86.71
Volume
82,756
Average Traded
$55.80

Ionis Pharmaceuticals, Inc. Share Price Today

As of 10 August 2026, Ionis Pharmaceuticals, Inc.'s share price is $56.55. The stock opened at $54.77, compared to its previous close of $54.52. During today's trading session, Ionis Pharmaceuticals, Inc.'s share price traded between $54.41 and $56.53, with an average price of $55.47. Over the past 52 weeks, the stock has recorded a high of $86.71 and a low of $40.14. In terms of performance, Ionis Pharmaceuticals, Inc.'s share price has declined by 30.29% over the last six months and is up 32.62% on a year-on-year basis.

Ionis Pharmaceuticals, Inc. Share Price Chart

$54.41$56.53
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Ionis Pharmaceuticals, Inc. Stock Fundamentals & Key Indicators

Market Cap
$9.05B
PE Ratio (TTM)
-23.76
Dividend Yield
N/A
EPS (TTM)
$-2.38
Revenue (TTM)
$943.71M
Return On Equity (TTM)
-77.98%
Profit Margin
-40.41%
Debt to Equity
1.60
Quarterly Earnings Growth YoY
8.45%

Ionis Pharmaceuticals, Inc. Quarterly Profit & Loss

All figures in USD

ParticularsMar 2024Jun 2024Sep 2024Mar 2025Jun 2025Sep 2025
RevenueN/A$225.25M$133.81M$131.61M$452.05M$156.72M
Net Profit-$142.80M-$66.27M-$140.48M-$146.94M$123.55M-$128.61M
Net Profit MarginN/A-29.42%-104.98%-111.64%27.33%-82.06%
Income ChangeN/A53.60%-112.00%-4.60%184.08%-204.09%

Ionis Pharmaceuticals, Inc. Annual Profit & Loss

All figures in USD

Particulars20212022202320242025
Revenue$810.46M$587.37M$787.65M$705.14M$943.71M
Net Profit-$28.60M-$269.72M-$366.29M-$453.90M-$381.39M
Net Profit Margin-3.53%-45.92%-46.50%-64.37%-40.41%
Income ChangeN/A-843.18%-35.80%-23.92%15.97%

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; WAINUA for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults; and SPINRAZA for pediatric and adult patients with spinal muscular atrophy (SMA). It also provides QALSODY for the treatment of Amyotrophic Lateral Sclerosis (ALS); TEGSEDI for the treatment of ATTRv-PN in adults; and WAYLIVRA for treatment for FCS and familial partial lipodystrophy. It also develops products under Phase 3 clinical trials, such as Olezarsen for patients with hypertriglyceridemia (SHTG) and cardiovascular disease (CVD); Donidalorsen for patients with hereditary angioedema; and Zilganerse, a potential treatment for people with genetically confirmed Alexander disease, as well as ION582 that has completed Phase 2 clinical trial for the potential treatment of AS, a rare genetic neurological disease. In addition, the company develops Eplontersen to degrade mutant and wild-type TTR mRNA through binding to the TTR mRNA; Pelacarsen to inhibit the production of apolipoprotein(a) in the liver to offer a direct approach for reducing lipoprotein(a); Bepirovirsen to inhibit the production of viral proteins associated with hepatitis B virus; Sefaxersen to reduce the production of complement factor B and lower activation of the alternative complement pathway; and Ulefnersen to reduce the production of the fused in sarcoma, as well as other mid-stage pipeline investigational medicines. It has a strategic collaboration with Biogen for the treatment of neurological disorders; and collaboration and license agreement with GSK, AstraZeneca, Novartis, and Roche, as well as with Metagenomi. The company was incorporated in 1989 and is headquartered in Carlsbad, California.

Ionis Pharmaceuticals, Inc. Historical Returns

MonthOpenCloseChange %
Aug 2026
$52.63
$56.55
+9.21%
Jul 2026
$79.20
$51.78
-34.74%
Jun 2026
$76.19
$79.34
+3.72%
May 2026
$75.16
$76.50
+2.28%
Apr 2026
$75.50
$74.79
-0.39%
Mar 2026
$79.44
$75.08
-7.45%
Feb 2026
$82.49
$81.12
-1.86%
Jan 2026
$78.99
$82.66
+4.43%
Dec 2025
$82.02
$79.15
-4.36%
Nov 2025
$74.38
$82.75
+11.42%
Oct 2025
$65.67
$74.28
+13.59%
Sep 2025
$49.53
$65.39
+53.35%

IONS Share Price FAQs

What is Ionis Pharmaceuticals, Inc. share price today?

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Ionis Pharmaceuticals, Inc. share price today is $56.55 as on August 8, 2026 at 1:29 am IST.

What is the 52 week high and 52 week low of Ionis Pharmaceuticals, Inc. stock?

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The 52 week high of Ionis Pharmaceuticals, Inc. stock is $86.71, while the 52 week low is $40.14 as of 8 Aug '26.

What is IONS's market capitalisation today?

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IONS market capitalisation is $9.05B as of August 10, 2026, at 6:42 am IST.

What is IONS's net income for the last quarter?

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IONS's net income for the last quarter is -0.13B USD.

What is the 5 year returns of IONS?

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The 5 year returns of IONS is 42.23% as on 8 Aug '26.

What is the high & low stock price of IONS today?

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IONS stock price hit a high of $56.53 and low of $54.41 as of 8 Aug '26.

Can I buy IONS shares in India?

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Yes. You can buy IONS in India by opening an international trading account.