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

Ionis Pharmaceuticals, Inc. (IONS) Shares Outstanding

Shares Outstanding

165.10M89.84K-0.05%

Summary

Current Value
As of today, IONS has 165.10M outstanding shares, down -0.05% on
Historical Performance
IONS shares outstanding is up +3.73% year-over-year, up +15.38% over the past 3 years
All-Time High Comparison
IONS shares outstanding is currently -0.05% below its historical high of 165.19M set on
3-Year Low Comparison
IONS shares outstanding is +15.38% above its 3-year low of 143.09M reached on an earlier date

Chart

SUGGESTED SERIES

Performance

IONS Performance
MetricDateValue1Y3Y5Y
Shares Outstanding165.10M+3.7%+15.4%+17.1%
Price$74.83+143.7%+111.6%+74.8%
Market Cap$12B+152.8%+144.1%+104.7%
PE Ratio-
TTM Revenue$943.38M+33.7%+60.6%+29.4%
TTM EPS-$2.47+18.8%-29.9%+22.4%
$12.29B+161.6%+167.8%+138.5%
TTM Net Income-$380.99M+16.0%-41.5%+20.6%
TTM Dividend-

Highs

IONS Shares Outstanding Highs Comparison
PeriodHighDateCurrent
1Y165.19M-0.1%
3Y165.19M-0.1%
5Y165.19M-0.1%
All165.19M-0.1%

Lows

IONS Shares Outstanding Lows Comparison
PeriodLowDateCurrent
1Y159.16MN/A+3.7%
3Y143.09MN/A+15.4%
5Y140.96MN/A+17.1%
All8.18M+1919.6%

History

MonthValueChange
165.10M+1.1%
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 165.10M

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

    IONS shares outstanding is up +3.73% year-over-year

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

    IONS shares outstanding is up +15.38% over the past 3 years

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

    IONS shares outstanding is currently -0.05% below its historical high of 165.19M set on April 13, 2026

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