Ionis Pharmaceuticals, Inc. (IONS)
75.78
+0.72
(+0.96%)
USD |
NASDAQ |
May 21, 16:00
75.78
0.00 (0.00%)
After-Hours: 19:59
Ionis Pharmaceuticals Research and Development Expense (TTM) : 923.53M for March 31, 2026
Research and Development Expense (TTM) Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Data
R&D Expense Definition
R&D expense is a line item from many companies' income statements.
Research and Development Expense (TTM) Range, Past 5 Years
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Research and Development Expense (TTM) Benchmarks
| Biogen, Inc. | 1.607B |
| Alnylam Pharmaceuticals, Inc. | 1.420B |
| BioMarin Pharmaceutical, Inc. | 721.03M |
| Mirum Pharmaceuticals, Inc. | 237.68M |
| Catalyst Pharmaceuticals, Inc. | 11.48M |