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Ionis Pharmaceuticals, Inc. (IONS) stock declined over -5.29%, trading at $80.93 on NASDAQ, down from the previous close of $85.45. The stock opened at $81.75, fluctuating between $80.47 and $85.12 in the recent session.
| Filing Date | Accepted Date | |
|---|---|---|
| Filing Date | Accepted Date | |
|---|---|---|
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Feb 25, 2026 | 81.75 | 85.12 | 80.47 | 80.93 | 3.16M |
| Feb 24, 2026 | 84.66 | 85.47 | 83.45 | 85.45 | 2.14M |
| Feb 23, 2026 | 82.71 | 84.96 | 82.71 | 84.60 | 1.71M |
| Feb 20, 2026 | 82.85 | 83.63 | 81.64 | 83.15 | 2.81M |
| Feb 19, 2026 | 81.50 | 83.34 | 80.39 | 83.15 | 1.99M |
| Feb 18, 2026 | 81.26 | 83.06 | 80.98 | 82.22 | 1.95M |
| Feb 17, 2026 | 80.30 | 82.53 | 80.23 | 81.36 | 1.89M |
| Feb 13, 2026 | 81.18 | 82.56 | 79.78 | 80.60 | 1.89M |
| Feb 12, 2026 | 84.20 | 84.91 | 81.20 | 81.78 | 1.7M |
| Feb 11, 2026 | 84.19 | 84.96 | 82.00 | 84.35 | 1.03M |
| Feb 10, 2026 | 84.49 | 84.81 | 83.57 | 84.29 | 1.38M |
| Feb 09, 2026 | 86.13 | 86.49 | 84.61 | 84.79 | 1.74M |
| Feb 06, 2026 | 84.85 | 86.59 | 84.18 | 86.50 | 1.84M |
| Feb 05, 2026 | 84.51 | 86.74 | 82.89 | 83.48 | 2.68M |
| Feb 04, 2026 | 85.72 | 85.95 | 82.55 | 84.99 | 3.01M |
| Feb 03, 2026 | 83.00 | 85.45 | 83.00 | 84.59 | 1.45M |
| Feb 02, 2026 | 82.54 | 83.35 | 81.90 | 83.07 | 1.78M |
| Jan 30, 2026 | 83.48 | 83.70 | 82.21 | 82.67 | 2.51M |
| Jan 29, 2026 | 82.38 | 84.30 | 81.90 | 83.88 | 1.6M |
| Jan 28, 2026 | 81.92 | 82.63 | 81.63 | 81.92 | 1.71M |
Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for familial chylomicronemia syndrome and familial partial lipodystrophy. It also develops medicines for various indications that are in phase 3 study, including Eplontersen as a monthly self-administered subcutaneous injection to treat all types of TTR amyloidosis; Olezarsen for patients with severe hypertriglyceridemia (SHTG); Donidalorsen for patients with hereditary angioedema; ION363 for patients with amyotrophic lateral sclerosis; Pelacarsen for patients with established cardiovascular disease and elevated lipoprotein(a); and Tofersen to inhibit the production of superoxide dismutase 1. In addition, the company develops medicines for metabolic diseases, infectious diseases, renal diseases, ophthalmic diseases, and cancer. It has a strategic collaboration with Biogen Inc.; and collaboration and license agreement with AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis AG, Roche, Janssen Biotech, Inc., and Flamingo Therapeutics, Inc. Ionis Pharmaceuticals, Inc. was founded in 1989 and is based in Carlsbad, California.
| Employees | 1069 |
| Beta | 0.31 |
| Sales or Revenue | $787.65M |
| 5Y Sales Change% | 0.215% |
| Fiscal Year Ends | December |
| Sector | Healthcare |
| Industry | Biotechnology |