Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
78.66
-3.30 (-4.03%)
At close: Mar 3, 2026, 4:00 PM EST
79.80
+1.14 (1.45%)
After-hours: Mar 3, 2026, 4:35 PM EST
Ionis Pharmaceuticals Employees
Ionis Pharmaceuticals had 1,402 employees as of December 31, 2025. The number of employees increased by 333 or 31.15% compared to the previous year.
Employees
1,402
Change (1Y)
333
Growth (1Y)
31.15%
Revenue / Employee
$882,798
Profits / Employee
-$356,770
Market Cap
12.99B
Employees Chart
Employees History
| Date | Employees | Change (1Y) | Growth (1Y) |
|---|---|---|---|
| Dec 31, 2025 | 1,402 | 333 | 31.15% |
| Dec 31, 2024 | 1,069 | 142 | 15.32% |
| Dec 31, 2023 | 927 | 131 | 16.46% |
| Dec 31, 2022 | 796 | 136 | 20.61% |
| Dec 31, 2021 | 660 | -97 | -12.81% |
| Dec 31, 2020 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2019 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2018 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2017 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2016 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
Related Stocks
| Company Name | Employees |
|---|---|
| BioMarin Pharmaceutical | 3,221 |
| Genmab | 2,973 |
| Jazz Pharmaceuticals | 2,890 |
| Ascendis Pharma | 1,189 |
| Exelixis | 1,077 |
| Madrigal Pharmaceuticals | 915 |
| BridgeBio Pharma | 839 |
| Arrowhead Pharmaceuticals | 711 |
IONS News
- 1 day ago - Ionis Pharmaceuticals, Inc. (IONS) Presents at TD Cowen 46th Annual Health Care Conference Transcript - Seeking Alpha
- 4 days ago - Ionis to present new data supporting DAWNZERA™ (donidalorsen) in hereditary angioedema at 2026 AAAAI Annual Meeting - Business Wire
- 4 days ago - Ionis Pharmaceuticals: Digesting Recent Events - Seeking Alpha
- 5 days ago - Ionis Pharmaceuticals, Inc. (IONS) Presents at Oppenheimer 36th Annual Healthcare Life Sciences Conference Transcript - Seeking Alpha
- 5 days ago - Olezarsen sNDA accepted by the FDA for Priority Review for the treatment of severe hypertriglyceridemia (sHTG) - Business Wire
- 6 days ago - Ionis Pharmaceuticals, Inc. (IONS) Q4 2025 Earnings Call Transcript - Seeking Alpha
- 6 days ago - Ionis Guides Below 2026 Sales Views Despite Strong Growth From Lead Drug - Benzinga
- 6 days ago - Ionis reports fourth quarter and full year 2025 financial results and highlights progress on key programs - Business Wire