312.78
price up icon3.68%   11.11
after-market After Hours: 312.78
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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 July 02, 2026, is $312.78.
  • 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 896.75% to $312.78 now.
  • The 52-week high stock price for ALNY is $495.55, representing a 58.43% increase from the current share price, occurred on October 20, 2025.
  • The 52-week low stock price for ALNY is $273.11, indicating a -12.68% decrease from the current share price, occurred on June 18, 2026.
  • 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:
Date High Low High - Low Volume % Change
Jul 02, 2026 $317.2 $303.0 $14.17 1,093,281.0 +3.68%
Jul 01, 2026 $309.3 $301.5 $7.77 1,070,156.0 +0.21%
Jun 30, 2026 $302.7 $295.2 $7.56 1,410,239.0 +2.56%
Jun 29, 2026 $298.3 $291.9 $6.38 1,357,851.0 +0.74%
Jun 26, 2026 $303.0 $290.4 $12.59 1,489,117.0 -0.61%
Jun 25, 2026 $298.3 $290.1 $8.28 1,125,370.0 -0.30%
Jun 24, 2026 $303.5 $288.9 $14.61 1,298,800.0 +2.04%
Jun 23, 2026 $291.9 $285.3 $6.69 1,038,194.0 +0.62%
Jun 22, 2026 $286.7 $278.2 $8.50 1,420,426.0 +2.99%
Jun 18, 2026 $283.0 $273.1 $9.87 2,204,357.0 -1.64%
Jun 17, 2026 $288.0 $277.8 $10.22 1,322,147.0 +0.29%
Jun 16, 2026 $288.5 $276.9 $11.54 1,213,097.0 -2.05%
Jun 15, 2026 $288.1 $281.4 $6.75 1,118,495.0 +1.75%
Jun 12, 2026 $291.3 $281.8 $9.51 1,418,995.0 -2.26%
Jun 11, 2026 $293.0 $285.2 $7.76 1,061,428.0 -0.63%
Jun 10, 2026 $299.7 $290.5 $9.17 927,185.0 -2.17%
Jun 09, 2026 $302.9 $294.0 $8.88 1,259,725.0 +1.89%
Jun 08, 2026 $303.6 $285.5 $18.03 1,651,374.0 -3.59%
Jun 05, 2026 $306.7 $300.5 $6.23 1,002,000.0 -0.19%
Jun 04, 2026 $310.5 $293.9 $16.68 1,079,477.0 +3.78%

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
Jul, 2026 $317.2 $301.5 $15.67 3,256,718.0 +3.90%
Jun, 2026 $310.5 $273.1 $37.42 26,613,459.0 -0.31%
May, 2026 $311.9 $284.3 $27.60 20,028,943.0 -2.43%
Apr, 2026 $343.4 $287.0 $56.36 23,086,740.0 -6.46%
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%
$189.24
price up icon 0.92%
$79.76
price up icon 10.01%
ONC ONC
$297.65
price up icon 2.38%
$57.77
price up icon 3.57%
$35.13
price up icon 0.29%
Cap:     |  Volume (24h):