Ionis Pharmaceuticals, Inc. company logo
Ionis Pharmaceuticals, Inc. logo

Ionis Pharmaceuticals, Inc. (IONS) Market Cap

Market Cap

$9.40B$344.00M+3.80%

Summary

Current Value
As of today, IONS market cap is $9B, up +3.80% in the most recent trading session on
Category
Based on its current market cap, IONS falls into the Mid Cap category
Historical Performance
IONS market cap is down -27.24% year-to-date, up +43.83% over the past 365 days
All-Time High Comparison
IONS market cap is currently -34.12% below its historical high of $14B set on
3-Year Low Comparison
IONS market cap is +131.67% above its 3-year low of $4B reached on
Sector Comparison
IONS market cap is higher than 89.63% of companies in Healthcare sector

Market Cap Chart

SUGGESTED SERIES

Performance

IONS Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
Market Cap$9B+3.8%-34.1%-25.2%-27.2%+43.8%+67.8%+71.8%
Price$56.56+3.8%-34.5%-25.6%-28.5%+37.8%+44.6%+45.8%
Shares Outstanding166.18M+0.6%+4.4%+16.1%+17.8%
PE Ratio-
TTM Revenue$873.76M-17.4%-17.4%-7.5%+38.5%+27.1%
TTM EPS-$3.47-65.2%-65.2%-87.5%-60.5%+11.5%
$9.53B+3.7%-33.8%-27.8%-25.8%+53.4%+82.5%+102.0%
TTM Dividend-
TTM Net Income-$564.78M-72.9%-72.9%-110.8%-83.0%-0.3%

Market Cap Highs

IONS Market Cap Highs Comparison
PeriodHighDateCurrent
1M$14B-34.1%
3M$14B-34.1%
6M$14B-34.1%
1Y$14B-34.1%
3Y$14B-34.1%
5Y$14B-34.1%
All$14B-34.1%

Market Cap Lows

IONS Market Cap Lows Comparison
PeriodLowDateCurrent
1M$9B+9.3%
3M$9B+9.3%
6M$9B+9.3%
1Y$7B+44.6%
3Y$4B+131.7%
5Y$4B+160.0%
All$67M>+9999.0%

Market Cap History

DateValueChange
$9B-27.2%
$13B+134.0%
$6B-24.4%
$7B+36.1%
$5B+24.9%
$4B-45.9%
$8B-6.4%
$8B+13.7%
$7B+18.6%
$6B+8.1%
$6B-21.9%
$7B+1.9%
$7B+57.6%
$5B+338.0%
$1B+46.9%
$721M-28.3%
$1B-8.4%
$1B-20.3%
DateValueChange
$1B+0.3%
$1B+50.2%
$915M+141.8%
$378M+11.6%
$339M-6.1%
$361M-0.8%
$364M-69.5%
$1B+180.0%
$426M+115.6%
$198M-43.5%
$350M+6.6%
$328M-30.4%
$472M+42.3%
$331M+320.2%
$79M-37.8%
$127M-0.3%
$127M-28.1%
$177M-

FAQ

What is the current market cap of IONS?
As of today, IONS market cap is $9B
What market cap category does IONS fall into?
Based on its current market cap, IONS falls into the Mid Cap category
What is IONS market cap today change?
IONS market cap is up +3.80% today
What is 1-year change in IONS market cap?
IONS market cap is up +43.83% year-over-year
How far is IONS market cap from its all-time high?
IONS market cap is currently -34.12% below its historical high of $14B set on July 7, 2026
How does IONS market cap rank versus sector peers?
IONS market cap is higher than 89.63% of companies in Healthcare sector

Market Cap Formula

Market Cap = Price × Shares Outstanding

Data Sources & References

  1. IONS Official Website www.ionis.com
  2. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/874015/000087401526000115/0000874015-26-000115-index.htm
  3. IONS Profile on Yahoo Finance finance.yahoo.com/quote/IONS
  4. IONS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ions