Ionis Pharmaceuticals

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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. 

CEO
Brett P. Monia
CEOBrett P. Monia
Employees
1,402
Employees1,402
Headquarters
Carlsbad, California
HeadquartersCarlsbad, California
Founded
1989
Founded1989
Employees
1,402
Employees1,402

IONS Key Statistics

Market cap
9.66B
Market cap9.66B
Price-Earnings ratio
-16.73
Price-Earnings ratio-16.73
Dividend yield
Dividend yield
Average volume
2.30M
Average volume2.30M
High today
$58.98
High today$58.98
Low today
$50.71
Low today$50.71
Open price
$58.37
Open price$58.37
Volume
2.67M
Volume2.67M
52 Week high
$86.74
52 Week high$86.74
52 Week low
$50.01
52 Week low$50.01

Stock Snapshot

Ionis Pharmaceuticals(IONS) stock is priced at $52.00, giving the company a market capitalization of 9.66B. It carries a P/E multiple of -16.73.

As of 2026-09-06, Ionis Pharmaceuticals(IONS) stock has fluctuated between $50.71 and $58.98. The current price stands at $52.00, placing the stock +2.5% above today's low and -11.8% off the high.

Ionis Pharmaceuticals(IONS) shares are trading with a volume of 2.67M, against a daily average of 2.3M.

During the past year, Ionis Pharmaceuticals(IONS) stock moved between $50.01 at its lowest and $86.74 at its peak.

During the past year, Ionis Pharmaceuticals(IONS) stock moved between $50.01 at its lowest and $86.74 at its peak.

IONS News

TipRanks 16h
Ionis Pharma Tanks as Key Heart Drug Trial Fails - tipranks.com

...

Ionis Pharma Tanks as Key Heart Drug Trial Fails - tipranks.com
TipRanks 2d
Ionis Pharmaceuticals Updates on Novartis Pelacarsen Trial Outcome

Ionis Pharmaceuticals ( (IONS) ) has shared an announcement. On September 4, 2026, Ionis Pharmaceuticals reported that its partner Novartis’ Phase 3 Lp(a)HORIZ...

Investor's Business Daily 2d
Novartis, Ionis Tumble On Surprise Flop For Heart Drug

Technology Novartis, Ionis Tumble On Surprise Flop For Heart Drug Licensing Novartis (NVS) said late Friday its Ionis Pharmaceuticals (IONS)-partnered Lp(a) blo...

Novartis, Ionis Tumble On Surprise Flop For Heart Drug

Analyst ratings

81%

of 27 ratings
Buy
81.5%
Hold
18.5%
Sell
0%

More IONS News

TipRanks 2d
Novartis announces Phase 3 pelacarsen study did not meet primary endpoint

Ionis Pharmaceuticals (IONS) partner Novartis (NVS) announced that the pelacarsen Phase 3 Lp(a)HORIZON study, a pioneering cardiovascular outcomes trial, did no...

Benzinga 2d
Ionis Drug Wins FDA Approval as First Alexander Disease Treatment

The U.S. Food and Drug Administration has approved Zanvastro (zilganersen), manufactured by Ionis Pharmaceuticals Inc. (NASDAQ:IONS), for Alexander disease in a...

Ionis Drug Wins FDA Approval as First Alexander Disease Treatment
TipRanks 2d
Ionis Pharmaceuticals price target raised to $61 from $60 at BMO Capital

BMO Capital analyst David Lebowitz raised the firm’s price target on Ionis Pharmaceuticals (IONS) to $61 from $60 and keeps a Market Perform rating on the share...

TipRanks 3d
Ultragenyx downgraded to Sector Perform from Outperform at RBC Capital

RBC Capital downgraded Ultragenyx (RARE) to Sector Perform from Outperform with a price target of $19, down from $40. The company announced that the Phase 3 Asp...

Simply Wall St 5d
Ionis Pharmaceuticals Stock Looks Fully Priced On Sales Yet Mixed On Value

Ionis Pharmaceuticals stock has delivered a 60.7% gain over the past five years, yet current valuation checks using market multiples point to the shares screeni...

Ionis Pharmaceuticals Stock Looks Fully Priced On Sales Yet Mixed On Value
TipRanks 6d
Ionis Pharmaceuticals: Solid Product Momentum but Balanced Risk-Reward; Hold Rating and $69 Price Target Reiterated

Analyst Salveen Richter of Goldman Sachs maintained a Hold rating on Ionis Pharmaceuticals, retaining the price target of $69.00. Salveen Richter has given his...

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