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Ionis Pharmaceuticals, Inc. - Common Stock (NQ:IONS)

44.65 -1.24 (-2.70%)

Streaming Delayed Price Updated: 4:00 PM EDT, Sep 30, 2026 Add to My Watchlist

Price and Volume

Detailed Quote

Volume	2,630,197
Open	46.07
Bid (Size)	44.75 (400)
Ask (Size)	45.00 (500)
Prev. Close	45.89
Today's Range	44.60 - 46.24
52wk Range	43.01 - 86.74
Shares Outstanding	141,797,854
Dividend Yield	N/A

Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News

18 of 21 Analysts Still Think Alnylam Stock Is a Buy. Here's Why They're Right. ↗

September 28, 2026

Wall Street expects an even bigger rebound for this beaten-down biotech stock.

Via The Motley Fool

Ionis announces positive interim data from partner Roche’s Phase 3 IMAgINATION study in IgA nephropathy (IgAN)

September 23, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Performance

YTD	-44.0%	-44.0%
1 Month	-26.0%	-26.0%
3 Month	-43.6%	-43.6%
6 Month	-40.6%	-40.6%
1 Year	-31.7%	-31.7%

More News

Ionis announces positive topline results from Phase 3 FUSION study of ulefnersen marking significant milestone in advancing first potential disease modifying treatment for FUS-ALS

September 22, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Ionis Pharmaceuticals (NASDAQ:IONS) Surges After Q2 Earnings Beat Estimates ↗

July 29, 2026

Via Chartmill

Investors Dumped Ionis Pharmaceuticals Stock -- But Wall Street Hasn't Budged From Its Bullish Outlook ↗

September 20, 2026

Via The Motley Fool

Ionis Pharmaceuticals Eyes TRYNGOLZA Growth as Pipeline Faces Cardio Setbacks ↗

September 19, 2026

Via MarketBeat

Novartis Just Shook Up a Multibillion-Dollar Drug Race. What It Means for Eli Lilly Stock. ↗

September 14, 2026

Via The Motley Fool

Cathie Wood Is Loading Up on Ionis Pharmaceuticals (IONS) Stock. Here's the Bet She's Making. ↗

September 09, 2026

Via The Motley Fool

Stay updated with the stocks that are on the move in today's after-hours session. ↗

September 04, 2026

Via Chartmill

Ionis partner Novartis announces Lp(a)HORIZON Phase 3 topline results for pelacarsen in patients with elevated Lp(a) and established cardiovascular disease (CVD)

September 04, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Ionis Pharmaceuticals Wins FDA Approval for First Alexander Disease Treatment ↗

September 04, 2026

Via MarketBeat

ZANVASTRO™ (zilganersen) approved by the FDA as the first and only disease modifying treatment for Alexander disease (AxD) in pediatric and adult patients

September 03, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Ionis to present at upcoming investor conferences

September 03, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Here's Why Ionis Pharmaceuticals' Steep Sell-off Was Overdone ↗

September 03, 2026

Via The Motley Fool

Breakfast News: A Conversation With Ionis CEO ↗

August 22, 2026

Via The Motley Fool

Ionis to present new data strengthening leadership in the management of severe hypertriglyceridemia (sHTG) at the European Society of Cardiology Congress 2026

August 20, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Why the Alnylam Sell-Off Looks Overdone -- and What Investors Are Missing ↗

August 16, 2026

Via The Motley Fool

Ionis Stock Has Plunged 30%. Is It Time to Buy the Beaten-Down Stock? ↗

August 14, 2026

Via The Motley Fool

IONS Investors Have Opportunity to Join Ionis Pharmaceuticals, Inc. Fraud Investigation with SBS Law

August 08, 2026

From Schall, Brown & Schwartz LLP

Via Business Wire

Ionis (IONS) Q2 2026 Earnings Call Transcript ↗

August 07, 2026

Via The Motley Fool

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Ionis Pharmaceuticals, Inc. - IONS

August 04, 2026

From Pomerantz LLP

Via GlobeNewswire

Ionis Pharmaceuticals Director Hayden Buys $1.1 Million Shares. What Does This Mean for Investors? ↗

August 03, 2026

Via The Motley Fool

Ionis Pharmaceuticals Q2 Earnings Call Highlights ↗

July 29, 2026

Via MarketBeat

Ionis announces Dr. Frank Bennett, chief scientific officer, to retire

July 29, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Ionis reports second quarter 2026 financial results and highlights progress on key programs

July 29, 2026

From Ionis Pharmaceuticals, Inc.

Via Business Wire

Frequently Asked Questions

Is Ionis Pharmaceuticals, Inc. - Common Stock publicly traded?

Yes, Ionis Pharmaceuticals, Inc. - Common Stock is publicly traded.

What exchange does Ionis Pharmaceuticals, Inc. - Common Stock trade on?

Ionis Pharmaceuticals, Inc. - Common Stock trades on the Nasdaq Stock Market

What is the ticker symbol for Ionis Pharmaceuticals, Inc. - Common Stock?

The ticker symbol for Ionis Pharmaceuticals, Inc. - Common Stock is IONS on the Nasdaq Stock Market

What is the current price of Ionis Pharmaceuticals, Inc. - Common Stock?

The current price of Ionis Pharmaceuticals, Inc. - Common Stock is 44.65

When was Ionis Pharmaceuticals, Inc. - Common Stock last traded?

The last trade of Ionis Pharmaceuticals, Inc. - Common Stock was at 09/30/26 04:00 PM ET

What is the market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock?

The market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock is 6.33B

How many shares of Ionis Pharmaceuticals, Inc. - Common Stock are outstanding?

Ionis Pharmaceuticals, Inc. - Common Stock has 6B shares outstanding.

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