Free Trial
→ Washington Thinks They Own Your Bank Account (From Priority Gold) (Ad) Free IONS Stock Alerts

Ionis Pharmaceuticals (IONS) Stock Chart & Stock Price History

Ionis Pharmaceuticals logo
$40.90 +0.21 (+0.50%)
As of 01:48 PM Eastern
This is a fair market value price provided by Polygon.io. Learn more.
Compare

Ionis Pharmaceuticals Stock Price Performance

The Ionis Pharmaceuticals (IONS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 12.64%, with a year-to-date return of 16.98%. In the past month, the stock has decreased 2.12%, reflecting recent market activity.

As of the latest close, Ionis Pharmaceuticals traded at $40.69 with a market cap of $6.49 billion and volume of 2.47 million shares. Five years ago, the stock traded at $56.21, representing a 27.25% decrease over that period. At the time, it had a market cap of $7.77 billion and a volume of 1.22 million shares.

Receive IONS Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Ionis Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter.

5 Day
Performance
-4.96%
1 Month
Performance
-2.12%
3 Month
Performance
+23.66%
Year-To-Date
Performance
+16.98%
1 Year
Performance
-12.64%
5 Year
Performance
-27.25%

IONS Stock Chart for Thursday, August, 7, 2025

IONS Chart by TradingView

Ionis Pharmaceuticals Stock Price History

Export to Excel
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/06/2025$43.05$40.69
-5.48%		$42.87$40.662.47 million shs$6.49 billion
08/05/2025$43.45$43.05
-0.92%		$43.52$42.512.82 million shs$6.86 billion
08/04/2025$43.03$43.45
+0.98%		$43.74$42.262.31 million shs$6.93 billion
08/01/2025$42.98$43.03
+0.12%		$43.40$42.282.32 million shs$6.85 billion
07/31/2025$43.37$42.98
-0.90%		$44.98$42.333.54 million shs$6.84 billion
07/30/2025$41.48$43.37
+4.56%		$45.66$42.954.16 million shs$6.90 billion
07/29/2025$41.17$41.48
+0.75%		$41.65$40.811.50 million shs$6.60 billion
07/28/2025$42.24$41.17
-2.53%		$42.49$41.151.64 million shs$6.55 billion
07/25/2025$42.15$42.24
+0.21%		$42.55$41.60887,852 shs$6.72 billion
07/24/2025$42.38$42.15
-0.54%		$42.81$42.12879,286 shs$6.71 billion
07/23/2025$41.95$42.38
+1.03%		$42.77$41.701.44 million shs$6.75 billion
07/22/2025$41.55$41.95
+0.96%		$42.22$41.251.46 million shs$6.68 billion
07/21/2025$41.76$41.55
-0.50%		$42.58$41.491.42 million shs$6.61 billion
07/18/2025$42.17$41.76
-0.97%		$42.57$41.251.27 million shs$6.65 billion
07/17/2025$42.77$42.17
-1.40%		$43.30$42.122.00 million shs$6.71 billion
07/16/2025$42.00$42.77
+1.83%		$42.91$41.791.38 million shs$6.81 billion
07/15/2025$42.55$42.00
-1.29%		$42.99$41.621.80 million shs$6.68 billion
07/14/2025$41.73$42.55
+1.97%		$43.64$41.282.44 million shs$6.77 billion
07/11/2025$42.38$41.73
-1.53%		$42.19$41.451.55 million shs$6.64 billion
07/10/2025$42.83$42.38
-1.05%		$42.92$41.671.95 million shs$6.75 billion
07/09/2025$41.34$42.83
+3.60%		$42.95$41.441.69 million shs$6.82 billion
07/08/2025$41.78$41.34
-1.05%		$42.13$41.221.75 million shs$6.58 billion
07/07/2025$42.98$41.78
-2.79%		$42.68$41.432.24 million shs$6.65 billion
Related Companies

This page (NASDAQ:IONS) was last updated on 8/7/2025 by MarketBeat.com Staff
From Our Partners
BREAKING: The House just passed 3 pro-crypto bills!
THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here.
Crypto 101 Media | Sponsored
Man Who Called Nvidia at $1.10 Says Buy This Now...
In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...
The Oxford Club | Sponsored
Crypto Income (almost instantly)
How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...
Awesomely, LLC | Sponsored
Elon’s Secret Social Security Bombshell
To All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...
Banyan Hill Publishing | Sponsored
Wall Street Hates This Gold IRA Strategy—Here’s Why
What if I told you there's a legal way to own real physical gold and silver—and keep your gains tax-free? N...
Advantage Gold | Sponsored
Trump’s national nightmare is here
Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...
Porter & Company | Sponsored
REVEALED FREE: Our top 3 stocks to own in 2025 and beyond
Every time Weiss Ratings flashed green like this, the average gain on each and every stock has been 303% (incl...
Weiss Ratings | Sponsored
[Shocking New Report] U.S. Dollar To Crash?
The "Death Spiral" Threatening Your Savings But this time, it's not just Dalio ringing the alarm bells…
Goldco Precious Metals | Sponsored