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

42.66 -1.25 (-2.85%)
Delayed Quote Updated: 3:05 PM EDT, Oct 23, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,663,115
Open 43.80
Bid (Size) 42.61 (100)
Ask (Size) 42.67 (100)
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 50.8% below 52-week high
42.66
42.0852W Low 86.7452W High
1 Week 6.8% below 1-week high
42.801W 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 $42.66, 50.8% below its 52-week high. Over the past week it ranged between $42.80 and $45.76.

Past 12 Months
-0.7%
-6.8%
-23.6%
-42.4%
-46.5%
-40.3%
1W -$0.28
1M -$3.09
3M -$13.21
6M -$31.43
YTD -$37.01
1Y -$28.84

IONS was -40.3% over the past year, -42.4% over six months, -46.5% year to date, -0.7% in the last week.

12 Months vs Market
IONS
-40.3%
DIA
+12.1%
SPY
+13.9%
QQQ
+16.5%
IWM
+13.4%

Over the past 12 months IONS returned -40.3% versus DIA (Dow) +12.1%, SPY (S&P 500) +13.9%, QQQ (Nasdaq 100) +16.5% and IWM (Russell 2000) +13.4%.

Volume & Liquidity 0.52× 3-mo avg
Today 1,663,115 3-mo avg 3.2M
1W
2.9M
1M
3.3M
3M
3.2M
6M
3.0M
YTD
2.7M
1Y
2.6M

IONS most recently traded 1,663,115 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 42.66
When was Ionis Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Ionis Pharmaceuticals, Inc. - Common Stock was at 10/23/26 03:05 PM ET
What is the market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock is 6.05B
How many shares of Ionis Pharmaceuticals, Inc. - Common Stock are outstanding?
Ionis Pharmaceuticals, Inc. - Common Stock has 6B shares outstanding.
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