Nasdaq · ALNY · stock
Alnylam Pharmaceuticals, INC. (ALNY) stock price history
Every Nasdaq trading session of Alnylam Pharmaceuticals, INC. from Jun 1, 2004 to Nov 12, 2026: 5,650 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ALNY adjusted close, 2004 to 2026
- $491.22
- All time high, 2025
- $479.79
- 52 week high, $149.18 low
- 5,650
- Daily sessions since 2004
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
ALNY key facts
- Alnylam Pharmaceuticals, INC. (ALNY) closed at $156.65 on Nov 12, 2026 on Nasdaq.
- ALNY's all time high close is $491.22, set on Oct 20, 2025; its all time low close is $3.95 on Aug 16, 2004.
- ALNY's 52 week range is $149.18 to $479.79.
- ALNY returned -65.4% over the year to Nov 12, 2026 and -8.3% over five years.
- Over ten years ALNY returned +237%, +12.9% a year compounded.
- ALNY's deepest drawdown was -83.6% from Oct 9, 2007 to Oct 3, 2011.
- DataCedar holds 5,650 daily sessions of ALNY history from Jun 1, 2004 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ALNY price chart, 2004 to 2026
ALNY returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -31.0% |
| 3 months | -30.1% |
| 6 months | -46.4% |
| Year to date | -60.6% |
| 1 year | -65.4% |
| 3 years | -3.2% |
| 5 years | -8.3% |
| 10 years | +236.6% |
| Since Jun 1, 2004 | +2,138% |
| Compound annual growth, 22.4 years | +14.9% |
ALNY records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $491.22 on Oct 20, 2025
- All time low close
- $3.95 on Aug 16, 2004
- 52 week high
- $479.79 on Dec 3, 2025
- 52 week low
- $149.18 on Nov 10, 2026
- Deepest drawdown
- -83.6% from Oct 9, 2007 to Oct 3, 2011, recovered Jul 3, 2013
- Best single session
- +53.0% on Jul 16, 2012
- Worst single session
- -48.5% on Oct 6, 2016
- Volatility, 1 year annualised
- 58.7%
- Sessions closing higher, 1 year
- 49%
- Growth of 1 since 2004
- 22.4×
- Best calendar year
- 2013, +252%
- Worst calendar year
- 2016, -60%
ALNY price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2004 starts on Jun 1, 2004; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $399.34 | $427.05 | $149.18 | $156.65 | -60.6% | 348.6M | 218 |
| 2025 | $237.92 | $495.55 | $205.87 | $397.65 | +69.0% | 262.9M | 250 |
| 2024 | $189.88 | $304.39 | $141.98 | $235.31 | +22.9% | 214.3M | 252 |
| 2023 | $238.00 | $242.39 | $148.10 | $191.41 | -19.5% | 166.6M | 250 |
| 2022 | $171.06 | $242.97 | $117.58 | $237.65 | +40.1% | 226M | 251 |
| 2021 | $130.69 | $212.00 | $124.00 | $169.58 | +30.5% | 167.1M | 252 |
| 2020 | $115.57 | $167.33 | $84.97 | $129.97 | +12.9% | 169.2M | 253 |
| 2019 | $71.30 | $125.72 | $65.81 | $115.17 | +58.0% | 201.7M | 252 |
| 2018 | $128.32 | $153.99 | $60.27 | $72.91 | -42.6% | 228M | 251 |
| 2017 | $38.15 | $147.63 | $35.98 | $127.05 | +239.3% | 284.8M | 251 |
| 2016 | $92.18 | $98.00 | $31.38 | $37.44 | -60.2% | 288.7M | 252 |
| 2015 | $97.97 | $140.00 | $71.14 | $94.14 | -2.9% | 205.5M | 252 |
| 2014 | $64.25 | $112.57 | $47.03 | $97.00 | +50.9% | 191M | 252 |
| 2013 | $18.95 | $67.97 | $18.61 | $64.30 | +252.3% | 154M | 252 |
| 2012 | $8.33 | $21.38 | $8.33 | $18.25 | +123.9% | 104.1M | 250 |
| 2011 | $9.91 | $12.34 | $5.88 | $8.15 | -17.3% | 63.5M | 252 |
| 2010 | $17.84 | $19.29 | $8.79 | $9.86 | -44.0% | 56.3M | 252 |
| 2009 | $24.77 | $26.36 | $14.82 | $17.62 | -28.8% | 70.8M | 252 |
| 2008 | $29.00 | $36.37 | $16.37 | $24.73 | -15.0% | 134.2M | 253 |
| 2007 | $21.80 | $37.35 | $14.87 | $29.08 | +35.9% | 109.7M | 251 |
| 2006 | $13.39 | $24.46 | $11.29 | $21.40 | +60.7% | 79.8M | 251 |
| 2005 | $7.67 | $15.22 | $6.76 | $13.32 | +78.3% | 40.6M | 252 |
| 2004 | $6.10 | $9.50 | $3.65 | $7.47 | n/a | 9.2M | 149 |
ALNY monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $156.65 | -5.1% |
| October 2026 | $165.00 | -33.1% |
| September 2026 | $246.74 | +2.5% |
| August 2026 | $240.69 | +17.1% |
| July 2026 | $205.52 | -31.7% |
| June 2026 | $301.03 | -0.3% |
| May 2026 | $301.98 | -2.4% |
| April 2026 | $309.49 | -6.5% |
| March 2026 | $330.87 | -0.6% |
| February 2026 | $332.92 | -1.5% |
| January 2026 | $338.06 | -15.0% |
| December 2025 | $397.65 | -11.9% |
About the ALNY data
Daily bars. 5,650 sessions from Jun 1, 2004 to Nov 12, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Nov 2, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jun 1, 2004, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/nasdaq%3AALNY/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ALNY share price history
