US equities |

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

44.97 +0.59 (+1.33%)
Delayed Quote Updated: 10:47 AM EDT, Oct 20, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 281,374
Open 44.45
Bid (Size) 44.88 (100)
Ask (Size) 45.04 (100)
Prev. Close 44.38
Today's Range 44.01 - 45.01
52wk Range 42.08 - 86.74
Shares Outstanding 141,797,854
Dividend Yield N/A

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Performance

52-Week Range 48.2% below 52-week high
44.97
42.0852W Low 86.7452W High
1 Week
42.081W Low 44.711W High

Ionis Pharmaceuticals, Inc. - Common Stock (IONS) traded between $42.08 and $86.74 over the past 52 weeks and last traded at $44.97, 48.2% below its 52-week high. Over the past week it ranged between $42.08 and $44.71.

Past 12 Months
+6.1%
+0.2%
-15.1%
-39.9%
-43.6%
-38.9%
1W +$2.59
1M +$0.07
3M -$7.98
6M -$29.90
YTD -$34.70
1Y -$28.58

IONS was -38.9% over the past year, -39.9% over six months, -43.6% year to date, +6.1% in the last week.

12 Months vs Market
IONS
-38.9%
DIA
+12.6%
SPY
+15.0%
QQQ
+18.1%
IWM
+11.4%

Over the past 12 months IONS returned -38.9% versus DIA (Dow) +12.6%, SPY (S&P 500) +15.0%, QQQ (Nasdaq 100) +18.1% and IWM (Russell 2000) +11.4%.

Volume & Liquidity 0.09× 3-mo avg
Today 281,374 3-mo avg 3.3M
1W
2.5M
1M
3.3M
3M
3.3M
6M
2.9M
YTD
2.7M
1Y
2.6M

IONS most recently traded 281,374 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 44.97
When was Ionis Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Ionis Pharmaceuticals, Inc. - Common Stock was at 10/20/26 10:47 AM ET
What is the market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Ionis Pharmaceuticals, Inc. - Common Stock is 6.38B
How many shares of Ionis Pharmaceuticals, Inc. - Common Stock are outstanding?
Ionis Pharmaceuticals, Inc. - Common Stock has 6B shares outstanding.