Alnylam Pharmaceuticals
$231.18Change from previous close: −6.31%Absolute change: −$15.56
Price history
−49.81% over the period1 year: from $460.65 (October 1, 2025) to $231.18 (October 1, 2026), −49.81%.
Show chart data
Daily closing prices, adjusted for splits. Long periods: one close per week or month.
| Date | Close |
|---|---|
| October 1, 2026 | $231.18 |
| September 30, 2026 | $246.74 |
| September 29, 2026 | $254.07 |
| September 28, 2026 | $255.36 |
| September 25, 2026 | $255.96 |
| September 24, 2026 | $249.59 |
| September 23, 2026 | $246.51 |
| September 22, 2026 | $251.65 |
| September 21, 2026 | $244.32 |
| September 18, 2026 | $239.56 |
| September 17, 2026 | $245.51 |
| September 16, 2026 | $239.36 |
| September 15, 2026 | $238.27 |
| September 14, 2026 | $249.99 |
| September 11, 2026 | $248.68 |
| September 10, 2026 | $247.51 |
| September 9, 2026 | $258.00 |
| September 8, 2026 | $260.10 |
| September 4, 2026 | $266.11 |
| September 3, 2026 | $264.50 |
| September 2, 2026 | $267.40 |
| September 1, 2026 | $246.11 |
| August 31, 2026 | $240.69 |
| August 28, 2026 | $237.10 |
| August 27, 2026 | $236.56 |
| August 26, 2026 | $239.00 |
| August 25, 2026 | $240.08 |
| August 24, 2026 | $236.01 |
| August 21, 2026 | $236.22 |
| August 20, 2026 | $229.30 |
| August 19, 2026 | $242.61 |
| August 18, 2026 | $228.61 |
| August 17, 2026 | $224.60 |
| August 14, 2026 | $228.65 |
| August 13, 2026 | $227.12 |
| August 12, 2026 | $223.95 |
| August 11, 2026 | $221.20 |
| August 10, 2026 | $216.98 |
| August 7, 2026 | $219.20 |
| August 6, 2026 | $216.12 |
| August 5, 2026 | $228.72 |
| August 4, 2026 | $219.00 |
| August 3, 2026 | $220.33 |
| July 31, 2026 | $205.52 |
| July 30, 2026 | $205.48 |
| July 29, 2026 | $286.62 |
| July 28, 2026 | $288.41 |
| July 27, 2026 | $278.40 |
| July 24, 2026 | $271.77 |
| July 23, 2026 | $268.74 |
| July 22, 2026 | $266.99 |
| July 21, 2026 | $271.37 |
| July 20, 2026 | $272.67 |
| July 17, 2026 | $267.47 |
| July 16, 2026 | $283.15 |
| July 15, 2026 | $279.14 |
| July 14, 2026 | $281.26 |
| July 13, 2026 | $288.06 |
| July 10, 2026 | $298.76 |
| July 9, 2026 | $312.79 |
| July 8, 2026 | $323.50 |
| July 7, 2026 | $321.59 |
| July 6, 2026 | $313.04 |
| July 2, 2026 | $312.78 |
| July 1, 2026 | $301.67 |
| June 30, 2026 | $301.03 |
| June 29, 2026 | $293.52 |
| June 26, 2026 | $291.37 |
| June 25, 2026 | $293.17 |
| June 24, 2026 | $294.06 |
| June 23, 2026 | $288.18 |
| June 22, 2026 | $286.41 |
| June 18, 2026 | $278.09 |
| June 17, 2026 | $282.72 |
| June 16, 2026 | $281.90 |
| June 15, 2026 | $287.80 |
| June 12, 2026 | $282.85 |
| June 11, 2026 | $289.39 |
| June 10, 2026 | $291.22 |
| June 9, 2026 | $297.69 |
| June 8, 2026 | $292.16 |
| June 5, 2026 | $303.05 |
| June 4, 2026 | $303.64 |
| June 3, 2026 | $292.58 |
| June 2, 2026 | $286.12 |
| June 1, 2026 | $295.63 |
| May 29, 2026 | $301.98 |
| May 28, 2026 | $305.06 |
| May 27, 2026 | $295.63 |
| May 26, 2026 | $295.50 |
| May 22, 2026 | $297.45 |
| May 21, 2026 | $300.51 |
| May 20, 2026 | $298.48 |
| May 19, 2026 | $294.30 |
| May 18, 2026 | $286.27 |
| May 15, 2026 | $286.98 |
| May 14, 2026 | $293.45 |
| May 13, 2026 | $291.48 |
| May 12, 2026 | $292.03 |
| May 11, 2026 | $284.84 |
| May 8, 2026 | $295.05 |
| May 7, 2026 | $295.91 |
| May 6, 2026 | $303.00 |
| May 5, 2026 | $301.11 |
| May 4, 2026 | $297.93 |
| May 1, 2026 | $296.11 |
| April 30, 2026 | $309.49 |
| April 29, 2026 | $301.19 |
| April 28, 2026 | $302.11 |
| April 27, 2026 | $308.51 |
| April 24, 2026 | $305.54 |
| April 23, 2026 | $313.79 |
| April 22, 2026 | $310.58 |
| April 21, 2026 | $308.43 |
| April 20, 2026 | $310.94 |
| April 17, 2026 | $309.66 |
| April 16, 2026 | $320.13 |
| April 15, 2026 | $333.39 |
| April 14, 2026 | $339.41 |
| April 13, 2026 | $333.00 |
| April 10, 2026 | $322.11 |
| April 9, 2026 | $321.28 |
| April 8, 2026 | $327.25 |
| April 7, 2026 | $319.52 |
| April 6, 2026 | $330.34 |
| April 2, 2026 | $318.85 |
| April 1, 2026 | $328.73 |
| March 31, 2026 | $330.87 |
| March 30, 2026 | $316.09 |
| March 27, 2026 | $317.36 |
| March 26, 2026 | $328.16 |
| March 25, 2026 | $328.70 |
| March 24, 2026 | $308.05 |
| March 23, 2026 | $306.66 |
| March 20, 2026 | $312.17 |
| March 19, 2026 | $311.10 |
| March 18, 2026 | $314.80 |
| March 17, 2026 | $320.42 |
| March 16, 2026 | $318.91 |
| March 13, 2026 | $313.41 |
| March 12, 2026 | $317.23 |
| March 11, 2026 | $320.43 |
| March 10, 2026 | $322.38 |
| March 9, 2026 | $323.59 |
| March 6, 2026 | $320.66 |
| March 5, 2026 | $320.51 |
| March 4, 2026 | $327.30 |
| March 3, 2026 | $318.65 |
| March 2, 2026 | $325.07 |
| February 27, 2026 | $332.92 |
| February 26, 2026 | $331.24 |
| February 25, 2026 | $327.36 |
| February 24, 2026 | $332.85 |
| February 23, 2026 | $329.35 |
| February 20, 2026 | $336.19 |
| February 19, 2026 | $339.37 |
| February 18, 2026 | $332.68 |
| February 17, 2026 | $332.61 |
| February 13, 2026 | $314.40 |
| February 12, 2026 | $308.48 |
| February 11, 2026 | $322.28 |
| February 10, 2026 | $322.98 |
| February 9, 2026 | $320.00 |
| February 6, 2026 | $328.16 |
| February 5, 2026 | $331.24 |
| February 4, 2026 | $351.96 |
| February 3, 2026 | $351.80 |
| February 2, 2026 | $339.11 |
| January 30, 2026 | $338.06 |
| January 29, 2026 | $346.79 |
| January 28, 2026 | $349.58 |
| January 27, 2026 | $354.75 |
| January 26, 2026 | $361.35 |
| January 23, 2026 | $357.98 |
| January 22, 2026 | $370.00 |
| January 21, 2026 | $365.46 |
| January 20, 2026 | $355.53 |
| January 16, 2026 | $359.27 |
| January 15, 2026 | $359.26 |
| January 14, 2026 | $366.86 |
| January 13, 2026 | $369.96 |
| January 12, 2026 | $370.91 |
| January 9, 2026 | $398.29 |
| January 8, 2026 | $399.40 |
| January 7, 2026 | $422.50 |
| January 6, 2026 | $406.40 |
| January 5, 2026 | $397.83 |
| January 2, 2026 | $400.17 |
| December 31, 2025 | $397.65 |
| December 30, 2025 | $397.25 |
| December 29, 2025 | $398.82 |
| December 26, 2025 | $400.59 |
| December 24, 2025 | $400.69 |
| December 23, 2025 | $398.70 |
| December 22, 2025 | $407.73 |
| December 19, 2025 | $400.23 |
| December 18, 2025 | $396.04 |
| December 17, 2025 | $392.10 |
| December 16, 2025 | $391.17 |
| December 15, 2025 | $391.50 |
| December 12, 2025 | $397.55 |
| December 11, 2025 | $412.63 |
| December 10, 2025 | $404.46 |
| December 9, 2025 | $415.21 |
| December 8, 2025 | $430.02 |
| December 5, 2025 | $458.12 |
| December 4, 2025 | $465.34 |
| December 3, 2025 | $473.29 |
| December 2, 2025 | $464.93 |
| December 1, 2025 | $454.56 |
| November 28, 2025 | $451.23 |
| November 26, 2025 | $445.12 |
| November 25, 2025 | $429.80 |
| November 24, 2025 | $434.23 |
| November 21, 2025 | $436.38 |
| November 20, 2025 | $445.79 |
| November 19, 2025 | $460.76 |
| November 18, 2025 | $462.30 |
| November 17, 2025 | $460.54 |
| November 14, 2025 | $449.16 |
| November 13, 2025 | $453.97 |
| November 12, 2025 | $452.74 |
| November 11, 2025 | $451.95 |
| November 10, 2025 | $441.70 |
| November 7, 2025 | $442.70 |
| November 6, 2025 | $440.49 |
| November 5, 2025 | $434.56 |
| November 4, 2025 | $423.47 |
| November 3, 2025 | $434.07 |
| October 31, 2025 | $456.04 |
| October 30, 2025 | $449.56 |
| October 29, 2025 | $481.59 |
| October 28, 2025 | $475.91 |
| October 27, 2025 | $478.58 |
| October 24, 2025 | $463.43 |
| October 23, 2025 | $464.00 |
| October 22, 2025 | $464.90 |
| October 21, 2025 | $474.00 |
| October 20, 2025 | $491.22 |
| October 17, 2025 | $481.67 |
| October 16, 2025 | $481.07 |
| October 15, 2025 | $470.27 |
| October 14, 2025 | $469.36 |
| October 13, 2025 | $464.95 |
| October 10, 2025 | $460.46 |
| October 9, 2025 | $456.95 |
| October 8, 2025 | $450.68 |
| October 7, 2025 | $459.58 |
| October 6, 2025 | $452.00 |
| October 3, 2025 | $456.35 |
| October 2, 2025 | $460.99 |
| October 1, 2025 | $460.65 |
At a glance
The company
Alnylam Pharmaceuticals, Inc. discovers, develops, manufactures, and commercializes therapeutics based on ribonucleic acid interference in the United States, Europe, and internationally.
Next event
Quarterly results · October 29, 2026
Where the price stands
52-wk low$197.81
$231.18
52-wk high$495.55
−53.35% from the high
Performance
- 1 month
- −6.07%
- Year to date
- −41.86%
- 1 year
- −49.81%
Analysts · 26 analysts
Average target$371.12+60.53% vs. price
Buy 22 · Hold 7 · Sell 0 · Buy
Latest news
All newsNumbers and valuation
Full valuation- Market cap
- $30.93B
- P/E
- 42.9
- EPS
- $5.39
- Volume
- 2.01M
- Dividend yield
- Data not available
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