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

43.42 -0.70 (-1.59%)
Delayed Quote Updated: 10:59 AM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 288,203
Open 44.53
Bid (Size) 43.34 (100)
Ask (Size) 43.50 (200)
Prev. Close 44.12
Today's Range 43.21 - 44.65
52wk Range 42.08 - 86.74
Shares Outstanding 141,797,854
Dividend Yield N/A

Performance

52-Week Range 49.9% below 52-week high
43.42
42.0852W Low 86.7452W High
1 Week 5.0% below 1-week high
42.081W Low 45.721W High

Ionis Pharmaceuticals, Inc. - Common Stock (IONS) traded between $42.08 and $86.74 over the past 52 weeks and last traded at $43.42, 49.9% below its 52-week high. Over the past week it ranged between $42.08 and $45.72.

Past 12 Months
-4.1%
-8.1%
-20.5%
-42.3%
-45.5%
-40.0%
1W -$1.86
1M -$3.83
3M -$11.23
6M -$31.84
YTD -$36.25
1Y -$28.97

IONS was -40.0% over the past year, -42.3% over six months, -45.5% year to date, -4.1% in the last week.

12 Months vs Market
IONS
-40.0%
DIA
+13.1%
SPY
+16.0%
QQQ
+19.8%
IWM
+9.6%

Over the past 12 months IONS returned -40.0% versus DIA (Dow) +13.1%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +19.8% and IWM (Russell 2000) +9.6%.

Volume & Liquidity 0.09× 3-mo avg
Today 288,203 3-mo avg 3.3M
1W
2.9M
1M
4.0M
3M
3.3M
6M
2.9M
YTD
2.7M
1Y
2.6M

IONS most recently traded 288,203 shares against a 3-month average daily volume of 3.3M.

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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 43.42
When was Ionis Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Ionis Pharmaceuticals, Inc. - Common Stock was at 10/16/26 10:59 AM ET
What is the market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock is 6.16B
How many shares of Ionis Pharmaceuticals, Inc. - Common Stock are outstanding?
Ionis Pharmaceuticals, Inc. - Common Stock has 6B shares outstanding.
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