stockNASDAQ: ALNY • 12 Months Updates
Alnylam Pharmaceuticals Inc. (ALNY) 12 Months
Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.
Investor Relations:investors.alnylam.com
Price & Performance Trajectory
Alnylam Pharmaceuticals Inc.NASDAQ: ALNY
Latest Close
$233.29
12 Months Updates Trajectory
Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesALNY session performance
✓ Latest Close USD
$233.29
Latest session close
$-257.93vs period start
Period Return % % GAIN
-52.51%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$495.55 / $197.81
Period range envelope
$297.74channel spread
Total Volume SHARES
347.54M
Period turnover
Avg: 1.41M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(246 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 19, 2026 | $233.29 | +0.63% | $236.54 | $231.26 | 1.34M |
| Oct 16, 2026 | $231.83 | -0.94% | $237.98 | $231.30 | 1.40M |
| Oct 15, 2026 | $234.03 | +4.26% | $234.30 | $228.12 | 1.26M |
| Oct 14, 2026 | $224.47 | +0.29% | $229.56 | $222.25 | 1.11M |
| Oct 13, 2026 | $223.82 | -1.41% | $229.53 | $221.56 | 1.06M |
| Oct 12, 2026 | $227.02 | -2.43% | $233.60 | $226.65 | 916.6K |
| Oct 09, 2026 | $232.68 | +3.63% | $232.86 | $222.71 | 859.8K |
| Oct 08, 2026 | $224.53 | +0.05% | $225.90 | $218.39 | 1.76M |
| Oct 07, 2026 | $224.41 | +0.21% | $230.42 | $222.46 | 1.06M |
| Oct 06, 2026 | $223.94 | +1.84% | $229.12 | $217.18 | 1.35M |
| Oct 05, 2026 | $219.89 | +0.08% | $222.08 | $215.53 | 1.22M |
| Oct 02, 2026 | $219.72 | -4.96% | $231.36 | $219.40 | 1.66M |
| Sep 24, 2026 | $249.59 | +1.25% | $251.81 | $245.52 | 933.7K |
| Sep 23, 2026 | $246.51 | -2.04% | $253.81 | $245.34 | 1.48M |
| Sep 22, 2026 | $251.65 | +3.00% | $255.51 | $244.13 | 1.13M |
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