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

42.93 -0.98 (-2.23%)
Delayed Quote Updated: 4:00 PM EDT, Oct 23, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 3,015,009
Open 43.80
Bid (Size) 43.00 (100)
Ask (Size) 43.89 (400)
Prev. Close 43.91
Today's Range 42.58 - 43.80
52wk Range 42.08 - 86.74
Shares Outstanding 141,797,854
Dividend Yield N/A

Performance

52-Week Range 50.5% below 52-week high
42.93
42.0852W Low 86.7452W High
1 Week 6.2% below 1-week high
42.581W Low 45.761W High

Ionis Pharmaceuticals, Inc. - Common Stock (IONS) traded between $42.08 and $86.74 over the past 52 weeks and last traded at $42.93, 50.5% below its 52-week high. Over the past week it ranged between $42.58 and $45.76.

Past 12 Months
-3.3%
-2.3%
-24.1%
-41.4%
-46.1%
-40.0%
1W -$1.45
1M -$1.00
3M -$13.62
6M -$30.34
YTD -$36.74
1Y -$28.57

IONS was -40.0% over the past year, -41.4% over six months, -46.1% year to date, -3.3% in the last week.

12 Months vs Market
IONS
-40.0%
DIA
+11.6%
SPY
+13.1%
QQQ
+15.4%
IWM
+11.9%

Over the past 12 months IONS returned -40.0% versus DIA (Dow) +11.6%, SPY (S&P 500) +13.1%, QQQ (Nasdaq 100) +15.4% and IWM (Russell 2000) +11.9%.

Volume & Liquidity 0.94× 3-mo avg
Today 3,015,009 3-mo avg 3.2M
1W
3.2M
1M
3.2M
3M
3.2M
6M
3.0M
YTD
2.7M
1Y
2.6M

IONS most recently traded 3,015,009 shares against a 3-month average daily volume of 3.2M.

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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 42.93
When was Ionis Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Ionis Pharmaceuticals, Inc. - Common Stock was at 10/23/26 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 6.09B
How many shares of Ionis Pharmaceuticals, Inc. - Common Stock are outstanding?
Ionis Pharmaceuticals, Inc. - Common Stock has 6B shares outstanding.
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