Company / Shares Outstanding
IONIS PHARMACEUTICALS INC Shares Outstanding History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Shares Outstanding
157.9M
FY2025
5-year range
140.4M / 157.9M
FY2021-FY2025
Trend
+9.4%
vs FY2024
Sector context
#58 of 212
Health Care
What the data says
At 157908815.00, IONIS PHARMACEUTICALS INC's shares outstanding ranks #155 of 212 in the Health Care sector. Shares Outstanding has increased for 9 consecutive years, from 120351480.00 in FY2016 to 157908815.00 in FY2025.
Based on SEC 10-K filings.
157908815.00 in FY2025 with a 5-year CAGR of +2.4%.
Increased from 142057736.00 to 157908815.00 over the past 2 years.
Health Care sector context is included.
Shares Outstanding over time
Growth rates
- 3-Year CAGR
- +3.8%
- 5-Year CAGR
- +2.4%
- 10-Year CAGR
- -
Sector benchmark
-48.4% below sector average
Key checks
Key Insights
- IONIS PHARMACEUTICALS INC's shares outstanding has grown for 9 consecutive years.
- In FY2025, shares outstanding increased 9.4% year-over-year.
- Ranks #58 out of 212 companies in the Health Care sector.
- Lowest shares outstanding in the period was in FY2016.
Company context
Key Data Points
- Altman Z-Score -0.18 (distress zone, below 1.8 threshold)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Shares OutstandingValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 157.9M | +9.4% |
| FY2024 | 144.3M | +1.6% |
| FY2023 | 142.1M | +0.6% |
| FY2022 | 141.2M | +0.6% |
| FY2021 | 140.4M | +0.0% |
| FY2020 | 140.3M | +1.7% |
| FY2019 | 137.9M | +10.4% |
| FY2018 | 125.0M | +2.7% |
| FY2017 | 121.6M | +1.1% |
| FY2016 | 120.4M | +1.6% |
As of FY2025 · SEC 10-K · Updated Jun 30, 2026