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

Ionis Pharmaceuticals, Inc. (IONS) Price To Book Ratio

PB Ratio

20.830.57-2.66%

Summary

Current Value
As of today, IONS PB ratio is 20.83, down -2.66% on
All-time High
IONS PB ratio is currently -99.69% below its historical high of 6,630.85 set on
1-Year High
IONS PB ratio reached a 1-year high of 21.80 on
1-Year Low
IONS PB ratio reached a 1-year low of 8.20 on
1-Year Change
IONS PB ratio is up +122.07% over the past 365 days
Sector rank
IONS PB ratio is higher than 94.12% of companies in Healthcare sector

Chart

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Series
SUGGESTED SERIES

Performance

IONS Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
PB Ratio20.83-2.7%-1.6%+13.2%+0.4%+122.1%+110.8%+85.0%
Price$79.48-2.7%-1.7%+12.6%+0.5%+127.5%+99.5%+33.2%
PE Ratio-
TTM Revenue$967.38M+2.4%+2.4%+20.4%+10.5%+3.7%
TTM EPS-$1.71+7.6%+7.6%+29.9%-1233.8%-406.7%
Quarterly Book Value$617.97M-2.2%-2.2%-6.7%+4.0%-55.3%
PS Ratio13.31-2.6%-1.6%+13.2%+0.5%+70.2%+38.1%+15.8%
Enterprise Value$12.68B-2.7%-1.7%+13.4%+0.5%+145.1%+151.9%+71.0%
Market Cap$13B-2.7%-1.7%+13.2%+0.5%+133.3%+127.4%+53.8%

Highs

IONS PB Ratio Highs Comparison
PeriodHighDateCurrent
1M21.80-4.5%
3M21.80-4.5%
6M21.80-4.5%
1Y21.80-4.5%
3Y28.72-27.5%
5Y28.72-27.5%
All6,630.85-99.7%

Lows

IONS PB Ratio Lows Comparison
PeriodLowDateCurrent
1M20.20+3.1%
3M18.23+14.3%
6M10.27+102.8%
1Y8.20+154.0%
3Y8.04+159.1%
5Y5.47+280.8%
All-96.94+121.5%

History

DateValueChange
20.83+0.4%
20.74+121.1%
9.38-50.3%
18.88+101.5%
9.37+68.2%
5.57-47.8%
10.68+85.4%
5.76-19.0%
7.11-68.2%
22.37-61.7%
58.43+57.4%
37.12+30.8%
28.37+131.4%
12.26+111.4%
5.80+37.8%
4.21+2.4%
4.11+9.3%
3.76-81.7%
DateValueChange
20.50-98.7%
1,574.99>+9,900.0%
13.35-90.6%
141.96+3,120.4%
-4.70-168.4%
6.87+167.3%
2.57-57.7%
6.08-40.3%
10.18+159.6%
-17.08+79.6%
-83.61-989.5%
9.40+16.3%
8.08+84.9%
4.37+155.6%
1.71-21.2%
2.17-32.0%
3.19+6.7%
2.99-

FAQ

  • What is the current PB ratio of IONS?

    As of today, IONS PB ratio is 20.83

  • What is IONS PB ratio 1-year high?

    IONS PB ratio reached a 1-year high of 21.80 on January 7, 2026

  • What is IONS PB ratio 1-year low?

    IONS PB ratio reached a 1-year low of 8.20 on February 13, 2025

  • What is 1-year change in IONS PB ratio?

    IONS PB ratio is up +122.07% year-over-year

  • What is 3-year change in IONS PB ratio?

    IONS PB ratio is up +110.83% over the past 3 years

  • How far is IONS PB ratio from its all-time high?

    IONS PB ratio is currently -99.69% below its historical high of 6,630.85 set on October 24, 2007

  • How does IONS PB ratio rank versus sector peers?

    IONS PB ratio is higher than 94.12% of companies in Healthcare sector

PB Ratio Formula

P/B =  

Data Sources & References

  1. IONS Official Website www.ionis.com
  2. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/874015/000087401525000089/0000874015-25-000089-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