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

Ionis Pharmaceuticals, Inc. (IONS) Shares Outstanding

Shares Outstanding

161.97M1.33M-0.81%

Summary

As of today, IONS has 161.97M outstanding shares, down -0.81% on
IONS shares outstanding is up +1.89% year-over-year, up +13.31% over the past 3 years
IONS shares outstanding is currently -0.81% below its historical high of 163.30M set on
IONS shares outstanding is +13.31% above its 3-year low of 142.95M reached on an earlier date

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Performance

IONS Performance
MetricDateValue1Y3Y5Y
Shares Outstanding161.97M+1.9%+13.3%+15.0%
Price$71.32+117.9%+100.3%+31.6%
Market Cap$12B+122.0%+127.0%+51.3%
PE Ratio-–––
TTM Revenue$943.38M+33.7%+60.6%+29.4%
TTM EPS-$2.47+18.8%-29.9%+22.4%
$11.49B+136.5%+157.5%+72.1%
TTM Net Income-$380.99M+16.0%-41.5%+20.6%
TTM Dividend-–––

Highs

IONS Shares Outstanding Highs Comparison
PeriodHighDateCurrent
1Y163.30M-0.8%
3Y163.30M-0.8%
5Y163.30M-0.8%
All163.30M-0.8%

Lows

IONS Shares Outstanding Lows Comparison
PeriodLowDateCurrent
1Y158.96MN/A+1.9%
3Y142.95MN/A+13.3%
5Y140.87MN/A+15.0%
All8.18M+1881.3%

History

MonthValueChange
161.97M-0.8%
163.30M+3.4%
157.91M+9.4%
144.34M+1.6%
142.06M+0.6%
141.21M+0.6%
140.37M+0.0%
140.34M+1.7%
137.93M+10.4%
124.98M+2.7%
121.64M+1.1%
120.35M+1.6%
118.44M+1.7%
116.47M+14.8%
101.48M+1.4%
100.04M+0.7%
99.39M+0.5%
98.85M+1.9%
97.00M+11.2%
MonthValueChange
87.24M+6.0%
82.28M+14.0%
72.20M+25.7%
57.45M+3.4%
55.56M+0.6%
55.22M+2.7%
53.75M+37.8%
39.01M+23.4%
31.61M+16.9%
27.05M+1.5%
26.66M+1.7%
26.20M+3.8%
25.25M+28.1%
19.72M+5.0%
18.77M+44.1%
13.03M+1.5%
12.85M+57.1%
8.18M-

FAQ

  • What is the current shares outstanding of IONS?

    As of today, IONS shares outstanding is 161.97M

  • What is 1-year change in IONS shares outstanding?

    IONS shares outstanding is up +1.89% year-over-year

  • What is 3-year change in IONS shares outstanding?

    IONS shares outstanding is up +13.31% over the past 3 years

  • How far is IONS shares outstanding from its all-time high?

    IONS shares outstanding is currently -0.81% below its historical high of 163.30M set on December 30, 2025

Data Sources & References

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