Ionis Pharmaceuticals Inc... (IONS)
NASDAQ: IONS
· Real-Time Price · USD
43.76
0.91 (2.12%)
At close: Aug 15, 2025, 3:59 PM
43.78
0.06%
After-hours: Aug 15, 2025, 04:10 PM EDT
IONS Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | 43.00 | 43.40 | 42.44 | 42.85 | 42.85 | -0.58% | 1,582,137 |
| Aug 13, 2025 | 41.54 | 43.22 | 41.54 | 43.10 | 43.10 | 4.08% | 3,020,967 |
| Aug 12, 2025 | 40.87 | 41.42 | 40.37 | 41.41 | 41.41 | 1.40% | 1,496,847 |
| Aug 11, 2025 | 41.51 | 41.93 | 40.79 | 40.84 | 40.84 | -1.92% | 1,799,800 |
| Aug 8, 2025 | 40.89 | 41.76 | 40.86 | 41.64 | 41.64 | 1.44% | 1,739,246 |
| Aug 7, 2025 | 40.34 | 41.13 | 40.03 | 41.05 | 41.05 | 0.88% | 2,741,700 |
| Aug 6, 2025 | 42.65 | 42.87 | 40.66 | 40.69 | 40.69 | -5.48% | 2,469,807 |
| Aug 5, 2025 | 43.15 | 43.52 | 42.51 | 43.05 | 43.05 | -0.92% | 2,818,449 |
| Aug 4, 2025 | 43.15 | 43.74 | 42.26 | 43.45 | 43.45 | 0.98% | 2,311,260 |
| Aug 1, 2025 | 42.65 | 43.40 | 42.28 | 43.03 | 43.03 | 0.12% | 2,327,900 |
| Jul 31, 2025 | 44.37 | 44.98 | 42.33 | 42.98 | 42.98 | -0.90% | 3,544,061 |
| Jul 30, 2025 | 44.97 | 45.66 | 42.95 | 43.37 | 43.37 | 4.56% | 4,183,400 |
| Jul 29, 2025 | 41.59 | 41.65 | 40.81 | 41.48 | 41.48 | 0.75% | 1,503,992 |
| Jul 28, 2025 | 42.43 | 42.49 | 41.15 | 41.17 | 41.17 | -2.56% | 1,640,746 |
| Jul 25, 2025 | 42.34 | 42.55 | 41.60 | 42.25 | 42.25 | 0.24% | 887,900 |
| Jul 24, 2025 | 42.35 | 42.81 | 42.12 | 42.15 | 42.15 | -0.54% | 879,300 |
| Jul 23, 2025 | 42.27 | 42.77 | 41.70 | 42.38 | 42.38 | 1.03% | 1,440,178 |
| Jul 22, 2025 | 41.51 | 42.22 | 41.25 | 41.95 | 41.95 | 0.96% | 1,458,531 |
| Jul 21, 2025 | 41.97 | 42.58 | 41.49 | 41.55 | 41.55 | -0.50% | 1,418,085 |
| Jul 18, 2025 | 42.15 | 42.57 | 41.25 | 41.76 | 41.76 | -0.97% | 1,266,300 |