Nasdaq · Common stock
Alnylam Pharmaceuticals (ALNY)
$227.66 +$3.63 (+1.62%)
- Day’s range
- $224.10–$232.48
- Volume
- 1.4M
ALNY price history
ALNY closed at $227.66 on Oct. 26, 2026. Over the past year, its daily close ranged from $205.48 on July 30, 2026 to $481.59 on Oct. 29, 2025.
Data table: ALNY daily closes, the past year
| Date | Close |
|---|---|
| Oct. 26, 2026 | $227.66 |
| Oct. 23, 2026 | $224.03 |
| Oct. 22, 2026 | $227.28 |
| Oct. 21, 2026 | $225.10 |
| Oct. 20, 2026 | $230.71 |
| Oct. 19, 2026 | $233.29 |
| Oct. 16, 2026 | $231.83 |
| Oct. 15, 2026 | $234.03 |
| Oct. 14, 2026 | $224.47 |
| Oct. 13, 2026 | $223.82 |
| Oct. 12, 2026 | $227.02 |
| Oct. 9, 2026 | $232.68 |
| Oct. 8, 2026 | $224.53 |
| Oct. 7, 2026 | $224.41 |
| Oct. 6, 2026 | $223.94 |
| Oct. 5, 2026 | $219.89 |
| Oct. 2, 2026 | $219.72 |
| Oct. 1, 2026 | $231.18 |
| Sept. 30, 2026 | $246.74 |
| Sept. 29, 2026 | $254.07 |
| Sept. 28, 2026 | $255.36 |
| Sept. 25, 2026 | $255.96 |
| Sept. 24, 2026 | $249.59 |
| Sept. 23, 2026 | $246.51 |
| Sept. 22, 2026 | $251.65 |
| Sept. 21, 2026 | $244.32 |
| Sept. 18, 2026 | $239.56 |
| Sept. 17, 2026 | $245.51 |
| Sept. 16, 2026 | $239.36 |
| Sept. 15, 2026 | $238.27 |
| Sept. 14, 2026 | $249.99 |
| Sept. 11, 2026 | $248.68 |
| Sept. 10, 2026 | $247.51 |
| Sept. 9, 2026 | $258.00 |
| Sept. 8, 2026 | $260.10 |
| Sept. 4, 2026 | $266.11 |
| Sept. 3, 2026 | $264.50 |
| Sept. 2, 2026 | $267.40 |
| Sept. 1, 2026 | $246.11 |
| Aug. 31, 2026 | $240.69 |
| Aug. 28, 2026 | $237.10 |
| Aug. 27, 2026 | $236.56 |
| Aug. 26, 2026 | $239.00 |
| Aug. 25, 2026 | $240.08 |
| Aug. 24, 2026 | $236.01 |
| Aug. 21, 2026 | $236.22 |
| Aug. 20, 2026 | $229.30 |
| Aug. 19, 2026 | $242.61 |
| Aug. 18, 2026 | $228.61 |
| Aug. 17, 2026 | $224.60 |
| Aug. 14, 2026 | $228.65 |
| Aug. 13, 2026 | $227.12 |
| Aug. 12, 2026 | $223.95 |
| Aug. 11, 2026 | $221.20 |
| Aug. 10, 2026 | $216.98 |
| Aug. 7, 2026 | $219.20 |
| Aug. 6, 2026 | $216.12 |
| Aug. 5, 2026 | $228.72 |
| Aug. 4, 2026 | $219.00 |
| Aug. 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 |
| Feb. 27, 2026 | $332.92 |
| Feb. 26, 2026 | $331.24 |
| Feb. 25, 2026 | $327.36 |
| Feb. 24, 2026 | $332.85 |
| Feb. 23, 2026 | $329.35 |
| Feb. 20, 2026 | $336.19 |
| Feb. 19, 2026 | $339.37 |
| Feb. 18, 2026 | $332.68 |
| Feb. 17, 2026 | $332.61 |
| Feb. 13, 2026 | $314.40 |
| Feb. 12, 2026 | $308.48 |
| Feb. 11, 2026 | $322.28 |
| Feb. 10, 2026 | $322.98 |
| Feb. 9, 2026 | $320.00 |
| Feb. 6, 2026 | $328.16 |
| Feb. 5, 2026 | $331.24 |
| Feb. 4, 2026 | $351.96 |
| Feb. 3, 2026 | $351.80 |
| Feb. 2, 2026 | $339.11 |
| Jan. 30, 2026 | $338.06 |
| Jan. 29, 2026 | $346.79 |
| Jan. 28, 2026 | $349.58 |
| Jan. 27, 2026 | $354.75 |
| Jan. 26, 2026 | $361.35 |
| Jan. 23, 2026 | $357.98 |
| Jan. 22, 2026 | $370.00 |
| Jan. 21, 2026 | $365.46 |
| Jan. 20, 2026 | $355.53 |
| Jan. 16, 2026 | $359.27 |
| Jan. 15, 2026 | $359.26 |
| Jan. 14, 2026 | $366.86 |
| Jan. 13, 2026 | $369.96 |
| Jan. 12, 2026 | $370.91 |
| Jan. 9, 2026 | $398.29 |
| Jan. 8, 2026 | $399.40 |
| Jan. 7, 2026 | $422.50 |
| Jan. 6, 2026 | $406.40 |
| Jan. 5, 2026 | $397.83 |
| Jan. 2, 2026 | $400.17 |
| Dec. 31, 2025 | $397.65 |
| Dec. 30, 2025 | $397.25 |
| Dec. 29, 2025 | $398.82 |
| Dec. 26, 2025 | $400.59 |
| Dec. 24, 2025 | $400.69 |
| Dec. 23, 2025 | $398.70 |
| Dec. 22, 2025 | $407.73 |
| Dec. 19, 2025 | $400.23 |
| Dec. 18, 2025 | $396.04 |
| Dec. 17, 2025 | $392.10 |
| Dec. 16, 2025 | $391.17 |
| Dec. 15, 2025 | $391.50 |
| Dec. 12, 2025 | $397.55 |
| Dec. 11, 2025 | $412.63 |
| Dec. 10, 2025 | $404.46 |
| Dec. 9, 2025 | $415.21 |
| Dec. 8, 2025 | $430.02 |
| Dec. 5, 2025 | $458.12 |
| Dec. 4, 2025 | $465.34 |
| Dec. 3, 2025 | $473.29 |
| Dec. 2, 2025 | $464.93 |
| Dec. 1, 2025 | $454.56 |
| Nov. 28, 2025 | $451.23 |
| Nov. 26, 2025 | $445.12 |
| Nov. 25, 2025 | $429.80 |
| Nov. 24, 2025 | $434.23 |
| Nov. 21, 2025 | $436.38 |
| Nov. 20, 2025 | $445.79 |
| Nov. 19, 2025 | $460.76 |
| Nov. 18, 2025 | $462.30 |
| Nov. 17, 2025 | $460.54 |
| Nov. 14, 2025 | $449.16 |
| Nov. 13, 2025 | $453.97 |
| Nov. 12, 2025 | $452.74 |
| Nov. 11, 2025 | $451.95 |
| Nov. 10, 2025 | $441.70 |
| Nov. 7, 2025 | $442.70 |
| Nov. 6, 2025 | $440.49 |
| Nov. 5, 2025 | $434.56 |
| Nov. 4, 2025 | $423.47 |
| Nov. 3, 2025 | $434.07 |
| Oct. 31, 2025 | $456.04 |
| Oct. 30, 2025 | $449.56 |
| Oct. 29, 2025 | $481.59 |
| Oct. 28, 2025 | $475.91 |
| Oct. 27, 2025 | $478.58 |
Key figures
- 52-week range
- $205.48–$481.59Low July 30, 2026; high Oct. 29, 2025
- Average daily volume
- 1.8MPast 3 months
- Market value
- $30.46B
- Dividend yield
- —
- From 52-week high
- −52.73%
Price change
- 1 month
- −11.06%
- 3 months
- −16.23%
- Year to date
- −42.75%
- 1 year
- −50.87%
$1,000 a year ago
$1,000 put into ALNY at the close on Oct. 24, 2025 would be worth $491.
Price only, dividends not included.
What Wall Street says about ALNY
In the past 90 days, Wall Street firms published 23 rating or price-target actions on ALNY: 1 upgrade, 2 new ratings, 3 reiterated ratings, 1 raised price target and 16 lowered price targets.
| Action | Rating | |||
|---|---|---|---|---|
| UBS | Assumes coverage | Buy | $550 to $354 | |
| Citigroup | Cuts target | Buy | $340 to $320 | |
| Wells Fargo | Cuts target | Equal-weight | $256 to $253 | |
| RBC Capital | Cuts target | Outperform | $350 to $345 | |
| JP Morgan | Cuts target | Overweight | $375 to $369 | |
| HC Wainwright & Co. | Reiterates | Buy | $455 | |
| Jefferies | Raises target | Hold | $230 to $260 | |
| HC Wainwright & Co. | Reiterates | Buy | $455 | |
| BMO Capital | Initiates coverage | Outperform | $318 | |
| Wells Fargo | Cuts target | Equal-weight | $316 to $256 | |
| HC Wainwright & Co. | Cuts target | Buy | $485 to $455 | |
| Truist Securities | Cuts target | Buy | $410 to $315 | |
| Barclays | Cuts target | Overweight | $527 to $450 | |
| Citigroup | Cuts target | Buy | $380 to $340 | |
| Raymond James | Upgrade | Outperform to Strong buy | $420 | |
| Chardan Capital | Maintains | Buy | $425 | |
| JP Morgan | Cuts target | Overweight | $400 to $375 | |
| Morgan Stanley | Cuts target | Equal-weight | $400 to $300 | |
| Oppenheimer | Cuts target | Outperform | $500 to $350 | |
| RBC Capital | Cuts target | Outperform | $445 to $350 | |
| Stifel | Cuts target | Buy | $444 to $318 | |
| Wells Fargo | Cuts target | Equal-weight | $377 to $316 | |
| Needham | Cuts target | Buy | $510 to $357 |
Ratings and price targets are the firms’ own opinions, reported as published.
Not investment advice.
About Alnylam Pharmaceuticals, Inc.
Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam's commercial RNAi therapeutic products include Onpattro and Amvuttra (for hATTR amyloidosis), Givlaari (for acute hepatic porphyria), and Oxlumo (for primary hyperoxaluria type 1), all developed and commercialized by Alnylam. Plus, Leqvio (for hypercholesterolemia) and Qfitlia (for hemophilia A or B), which are being commercialized by Alnylam's partners, Novartis and Sanofi, respectively. It also has several clinical programs across various therapeutic areas, including cardio-metabolic diseases, neuroscience, and hematology.
- Headquarters
- Cambridge, Mass.
- Employees
- 2,500
- Listed
- May 28, 2004
- Sector
- Health care
- Industry
- Pharmaceutical preparations
In WallStreetDigest editions
No WallStreetDigest article about ALNY is on the site yet.