Ionis Pharmaceuticals
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Robinhood gives you the tools you need to put your money in motion. You can buy or sell IONS and other ETFs, options, and stocks.About IONS
Ionis Pharmaceuticals, Inc. engages in the development and commercialization of human therapeutic drugs using antisense technology. The company was founded by Stanley T.
CEOBrett P. Monia
CEOBrett P. Monia
Employees1,069
Employees1,069
HeadquartersCarlsbad, California
HeadquartersCarlsbad, California
Founded1989
Founded1989
Employees1,069
Employees1,069
IONS Key Statistics
Market cap13.23B
Market cap13.23B
Price-Earnings ratio-47.73
Price-Earnings ratio-47.73
Dividend yield—
Dividend yield—
Average volume2.25M
Average volume2.25M
High today$82.50
High today$82.50
Low today$80.64
Low today$80.64
Open price$82.19
Open price$82.19
Volume1.71M
Volume1.71M
52 Week high$83.61
52 Week high$83.61
52 Week low$23.95
52 Week low$23.95
Stock Snapshot
The current Ionis Pharmaceuticals(IONS) stock price is $80.75, with a market capitalization of 13.23B. The stock trades at a price-to-earnings (P/E) ratio of -47.73.
On 2025-12-07, Ionis Pharmaceuticals(IONS) stock traded between a low of $80.64 and a high of $82.50. Shares are currently priced at $80.75, which is +0.1% above the low and -2.1% below the high.
The Ionis Pharmaceuticals(IONS)'s current trading volume is 1.71M, compared to an average daily volume of 2.25M.
In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $83.61 and a 52-week low of $23.95.
In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $83.61 and a 52-week low of $23.95.
Analyst ratings
71%
of 24 ratingsBuy
70.8%
Hold
29.2%
Sell
0%
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