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331.27
2.82%
9.165
Alnylam Pharmaceuticals Inc Stock (ALNY) Price History
The historical daily chart and data for Alnylam Pharmaceuticals Inc stock (ALNY), show that the latest closing stock price as of April 13, 2026, is $331.27.
- Alnylam Pharmaceuticals Inc all-time high stock price is $495.55, occurred on October 20, 2025.
- The lowest Alnylam Pharmaceuticals Inc stock price recorded was $31.38 on November 03, 2016. Since then, Alnylam Pharmaceuticals Inc's stock price has risen over 955.69% to $331.27 now.
- The 52-week high stock price for ALNY is $495.55, representing a 49.59% increase from the current share price, occurred on October 20, 2025.
- The 52-week low stock price for ALNY is $225.84, indicating a -31.83% decrease from the current share price, occurred on April 16, 2025.
- The closing price of Alnylam Pharmaceuticals Inc (ALNY) stock in the beginning of 2025 was $173.91. The stock closed the year at $237.65, a gain of over 36.65% for the year.
The table below shows more information about ALNY historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Apr 13, 2026 | $332.2 | $319.0 | $13.23 | 515,833.0 | +2.85% |
| Apr 10, 2026 | $328.9 | $317.5 | $11.40 | 698,550.0 | +0.26% |
| Apr 09, 2026 | $326.9 | $318.8 | $8.13 | 1,119,200.0 | -1.82% |
| Apr 08, 2026 | $330.3 | $324.4 | $5.86 | 973,170.0 | +2.42% |
| Apr 07, 2026 | $322.4 | $313.5 | $8.81 | 1,305,076.0 | -3.28% |
| Apr 06, 2026 | $335.6 | $320.1 | $15.48 | 1,253,536.0 | +3.60% |
| Apr 02, 2026 | $325.5 | $315.9 | $9.59 | 872,417.0 | -3.01% |
| Apr 01, 2026 | $335.5 | $327.6 | $7.89 | 672,944.0 | -0.65% |
| Mar 31, 2026 | $332.5 | $319.1 | $13.42 | 1,351,479.0 | +4.68% |
| Mar 30, 2026 | $321.8 | $314.2 | $7.56 | 1,223,854.0 | -0.40% |
| Mar 27, 2026 | $329.7 | $316.8 | $12.84 | 815,162.0 | -3.29% |
| Mar 26, 2026 | $332.8 | $327.7 | $5.12 | 1,119,574.0 | -0.16% |
| Mar 25, 2026 | $329.5 | $311.7 | $17.77 | 1,139,386.0 | +6.70% |
| Mar 24, 2026 | $308.9 | $299.6 | $9.29 | 1,494,716.0 | +0.45% |
| Mar 23, 2026 | $323.2 | $304.4 | $18.85 | 1,372,349.0 | -1.77% |
| Mar 20, 2026 | $322.4 | $311.1 | $11.38 | 2,050,592.0 | +0.34% |
| Mar 19, 2026 | $317.6 | $309.7 | $7.88 | 648,364.0 | -1.18% |
| Mar 18, 2026 | $319.3 | $312.6 | $6.69 | 1,036,858.0 | -1.75% |
| Mar 17, 2026 | $327.0 | $317.5 | $9.43 | 1,796,814.0 | +0.47% |
| Mar 16, 2026 | $319.6 | $311.2 | $8.33 | 1,222,227.0 | +1.75% |
Alnylam Pharmaceuticals Inc Stock (ALNY) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Alnylam Pharmaceuticals Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ALNY shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Alnylam Pharmaceuticals Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Alnylam Pharmaceuticals Inc Stock (ALNY) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Apr, 2026 | $335.6 | $313.5 | $22.04 | 7,410,726.0 | +0.12% |
| Mar, 2026 | $334.4 | $299.6 | $34.80 | 25,808,101.0 | -0.62% |
| Feb, 2026 | $355.5 | $298.0 | $57.49 | 28,978,478.0 | -1.52% |
| Jan, 2026 | $427.1 | $336.4 | $90.66 | 29,780,233.0 | -14.99% |
Alnylam Pharmaceuticals Inc Stock (ALNY) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $479.8 | $387.0 | $92.76 | 34,525,555.0 | -11.96% |
| Nov, 2025 | $469.1 | $417.0 | $52.11 | 18,376,257.0 | -1.05% |
| Oct, 2025 | $495.6 | $436.5 | $59.04 | 26,421,550.0 | +0.01% |
| Sep, 2025 | $484.2 | $441.5 | $42.71 | 23,991,302.0 | +2.13% |
| Aug, 2025 | $469.8 | $382.2 | $87.62 | 25,383,318.0 | +13.84% |
| Jul, 2025 | $402.4 | $309.6 | $92.86 | 22,976,718.0 | +20.29% |
| Jun, 2025 | $327.2 | $295.8 | $31.39 | 16,608,369.0 | +7.07% |
| May, 2025 | $306.0 | $246.0 | $60.04 | 22,863,244.0 | +15.70% |
| Apr, 2025 | $273.6 | $205.9 | $67.74 | 22,379,369.0 | -2.51% |
| Mar, 2025 | $300.9 | $230.8 | $70.11 | 18,091,424.0 | +9.43% |
| Feb, 2025 | $279.2 | $236.5 | $42.74 | 14,255,538.0 | -9.05% |
| Jan, 2025 | $287.2 | $231.0 | $56.22 | 13,337,362.0 | +15.30% |
Alnylam Pharmaceuticals Inc Stock (ALNY) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $258.1 | $233.0 | $25.12 | 10,684,548.0 | -6.74% |
| Nov, 2024 | $286.6 | $229.9 | $56.72 | 17,840,081.0 | -5.07% |
| Oct, 2024 | $304.4 | $263.6 | $40.74 | 18,022,421.0 | -3.07% |
| Sep, 2024 | $279.9 | $244.9 | $34.97 | 13,627,547.0 | +4.70% |
| Aug, 2024 | $287.5 | $245.2 | $42.38 | 23,179,017.0 | +10.62% |
| Jul, 2024 | $263.7 | $231.0 | $32.72 | 18,737,273.0 | -2.28% |
| Jun, 2024 | $252.9 | $147.2 | $105.6 | 32,495,091.0 | +63.71% |
| May, 2024 | $155.5 | $144.0 | $11.53 | 11,687,531.0 | +3.11% |
| Apr, 2024 | $159.3 | $142.0 | $17.37 | 10,373,533.0 | -3.68% |
| Mar, 2024 | $155.9 | $143.7 | $12.25 | 12,831,939.0 | -1.09% |
| Feb, 2024 | $176.3 | $143.5 | $32.83 | 28,112,069.0 | -12.62% |
| Jan, 2024 | $199.4 | $172.4 | $27.01 | 12,142,449.0 | -9.67% |
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