Ionis Pharmaceuticals Inc. (IONS)
Showing Closing Date Range from May 3 to Oct 30, 2026 compared to Nov 3, 2025 to May 2, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:ionis.com
Current Period Close
$43.52
May 03, 2026 - Oct 30, 2026
Previous Period Close
$75.28
Nov 03, 2025 - May 02, 2026
Net Comparison Delta
$-31.76 (-42.19%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(124 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 30, 2026 | $43.52 | May 01, 2026 | $75.28 | -42.19% |
| Oct 29, 2026 | $44.39 | Apr 30, 2026 | $74.76 | -40.62% |
| Oct 28, 2026 | $44.90 | Apr 29, 2026 | $74.83 | -40.00% |
| Oct 27, 2026 | $43.96 | Apr 28, 2026 | $71.78 | -38.76% |
| Oct 26, 2026 | $43.42 | Apr 27, 2026 | $72.23 | -39.89% |
| Oct 23, 2026 | $42.93 | Apr 24, 2026 | $73.27 | -41.41% |
| Oct 22, 2026 | $43.91 | Apr 23, 2026 | $74.09 | -40.73% |
| Oct 21, 2026 | $44.27 | Apr 22, 2026 | $74.83 | -40.84% |
| Oct 20, 2026 | $45.40 | Apr 21, 2026 | $74.78 | -39.29% |
| Oct 19, 2026 | $44.38 | Apr 20, 2026 | $74.87 | -40.72% |
| Oct 16, 2026 | $42.94 | Apr 17, 2026 | $75.71 | -43.28% |
| Oct 15, 2026 | $44.12 | Apr 16, 2026 | $75.26 | -41.38% |
| Oct 14, 2026 | $42.70 | Apr 15, 2026 | $76.82 | -44.42% |
| Oct 13, 2026 | $42.38 | Apr 14, 2026 | $76.76 | -44.79% |
| Oct 12, 2026 | $43.67 | Apr 13, 2026 | $74.95 | -41.73% |
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