Ionis Pharmaceuticals, Inc. (IONS)
72.52
-1.71
(-2.30%)
USD |
NASDAQ |
May 18, 16:00
72.52
0.00 (0.00%)
After-Hours: 20:00
Ionis Pharmaceuticals Research and Development Expense (Quarterly) : 210.17M for March 31, 2026
Research and Development Expense (Quarterly) 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 (Quarterly) Range, Past 5 Years
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Research and Development Expense (Quarterly) Benchmarks
| Biogen, Inc. | 471.10M |
| Alnylam Pharmaceuticals, Inc. | 364.87M |
| BioMarin Pharmaceutical, Inc. | 178.80M |
| Mirum Pharmaceuticals, Inc. | 97.84M |
| Catalyst Pharmaceuticals, Inc. | 2.661M |