Alnylam Pharmaceuticals (ALNY) seasonality heatmap
Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -15.0% | -1.5% | -0.6% | -6.5% | -2.4% | -6.3% | — | — | — | — | — | — |
| 2025 | +15.3% | -9.1% | +9.4% | -2.5% | +15.7% | +7.1% | +20.3% | +13.8% | +2.1% | +0.0% | -1.1% | -11.9% |
| 2024 | -9.7% | -12.6% | -1.1% | -3.7% | +3.1% | +63.7% | -2.3% | +10.6% | +4.7% | -3.1% | -5.1% | -7.0% |
| 2023 | -4.7% | -15.4% | +4.6% | -0.6% | -7.1% | +2.7% | +2.9% | +1.2% | -10.5% | -14.3% | +10.8% | +13.8% |
| 2022 | -18.9% | +14.7% | +3.4% | -18.3% | -5.7% | +15.9% | -2.6% | +45.5% | -3.1% | +3.5% | +6.4% | +7.7% |
| 2021 | +15.8% | -1.6% | -4.7% | -0.4% | +1.0% | +19.4% | +5.6% | +12.6% | -6.3% | -15.5% | +15.2% | -7.7% |
| 2020 | -0.3% | +2.5% | -7.5% | +21.0% | +2.7% | +9.5% | -1.6% | -9.0% | +9.8% | -15.5% | +5.6% | +0.0% |
| 2019 | +14.6% | +1.8% | +9.9% | -4.4% | -24.4% | +7.5% | +6.9% | +4.0% | -0.3% | +7.9% | +35.0% | -1.7% |
| 2018 | +2.3% | -7.6% | -0.9% | -20.6% | +5.2% | -1.0% | -3.5% | +29.1% | -28.7% | -8.1% | +0.9% | -10.2% |
| 2017 | +6.8% | +29.1% | -0.8% | +4.6% | +22.1% | +21.8% | +3.7% | +3.6% | +37.0% | +3.7% | +10.4% | -5.6% |
| 2016 | -26.8% | -15.0% | +7.2% | +6.8% | +7.0% | -22.6% | +22.7% | +2.6% | -3.0% | -47.5% | +23.2% | -14.7% |
| 2015 | -3.3% | +8.2% | +2.8% | -2.4% | +28.7% | -8.6% | +6.3% | -19.2% | -21.9% | +7.0% | +21.1% | -9.5% |
| 2014 | +30.1% | -2.9% | -17.4% | -26.2% | +19.7% | +6.5% | -14.3% | +28.7% | +12.1% | +18.7% | +8.4% | -3.5% |
| 2013 | +32.2% | -1.8% | +2.9% | -1.7% | +27.9% | +1.2% | +48.9% | +12.2% | +23.6% | -10.0% | +6.2% | +5.1% |
| 2012 | +41.8% | +15.4% | -17.0% | +2.9% | -10.1% | +13.8% | +60.4% | -2.1% | +2.7% | -13.9% | +4.9% | +7.5% |
| 2011 | +4.8% | +6.3% | -12.9% | +7.3% | +2.0% | -10.5% | +0.1% | -25.6% | -5.9% | +23.6% | -12.6% | +14.8% |
| 2010 | -4.1% | +3.1% | -2.3% | -0.4% | -6.8% | -4.9% | +2.2% | -10.9% | -10.2% | +7.1% | -30.4% | +7.8% |
| 2009 | -14.7% | -12.6% | +3.3% | -3.7% | +11.0% | +9.4% | +4.5% | -4.2% | +1.7% | -24.9% | -1.3% | +4.8% |
| 2008 | +3.3% | -5.5% | -14.1% | +2.8% | +15.2% | -7.4% | +30.1% | -14.7% | -2.4% | -20.6% | -20.7% | +35.7% |
| 2007 | -0.7% | -11.5% | -4.3% | +4.3% | -12.6% | -7.6% | +59.0% | -3.1% | +40.2% | -3.6% | +3.3% | -10.9% |
| 2006 | +0.6% | +19.6% | +9.4% | -12.6% | -3.8% | +2.0% | -15.3% | +2.0% | +10.7% | +36.8% | +8.9% | -0.3% |
| 2005 | -6.3% | +2.1% | +2.5% | +6.1% | -4.1% | -2.1% | +33.6% | -2.6% | +18.9% | -15.0% | +30.7% | +6.4% |
| 2004 | — | — | — | — | — | — | -31.9% | +6.8% | +4.7% | -8.9% | +52.4% | -6.6% |
| Avg | +2.9% | +0.3% | -1.3% | -2.2% | +3.8% | +5.5% | +10.7% | +3.7% | +3.5% | -4.2% | +7.8% | +0.6% |
| Median | +0.1% | -1.6% | -0.7% | -1.1% | +2.4% | +2.7% | +4.1% | +2.3% | +1.9% | -5.9% | +6.3% | -1.0% |
| Last 5Y Avg | -6.6% | -4.8% | +3.2% | -6.3% | +0.7% | +21.8% | +4.8% | +16.8% | -2.6% | -5.9% | +5.3% | -1.0% |
| Std Dev (σ) | 16.9% | 11.8% | 8.2% | 10.3% | 13.6% | 17.2% | 23.5% | 16.4% | 16.4% | 17.9% | 18.0% | 11.6% |
| Consistency (μ/σ) | 0.17 | 0.02 | -0.15 | -0.21 | 0.28 | 0.32 | 0.46 | 0.23 | 0.21 | -0.23 | 0.43 | 0.05 |
| Win Rate (%) | 50% | 45% | 45% | 36% | 59% | 62% | 68% | 59% | 55% | 41% | 73% | 45% |
| Winning / Losing Months | ▲11▼11 | ▲10▼12 | ▲10▼12 | ▲8▼14 | ▲13▼9 | ▲13▼8 | ▲15▼7 | ▲13▼9 | ▲12▼10 | ▲9▼13 | ▲16▼6 | ▲10▼12 |
| Longest Win / Loss Streak | ▲4▼3 | ▲3▼4 | ▲2▼3 | ▲2▼6 | ▲6▼3 | ▲7▼2 | ▲7▼1 | ▲5▼6 | ▲4▼3 | ▲2▼3 | ▲12▼4 | ▲6▼6 |
| Best | +41.8%in January 2012 | +29.1%in February 2017 | +9.9%in March 2019 | +21.0%in April 2020 | +28.7%in May 2015 | +63.7%in June 2024 | +60.4%in July 2012 | +45.5%in August 2022 | +40.2%in September 2007 | +36.8%in October 2006 | +52.4%in November 2004 | +35.7%in December 2008 |
| Worst | -26.8%in January 2016 | -15.4%in February 2023 | -17.4%in March 2014 | -26.2%in April 2014 | -24.4%in May 2019 | -22.6%in June 2016 | -31.9%in July 2004 | -25.6%in August 2011 | -28.7%in September 2018 | -47.5%in October 2016 | -30.4%in November 2010 | -14.7%in December 2016 |
−47.5%+63.7%
2026
Jan-15.0%
Feb-1.5%
Mar-0.6%
Apr-6.5%
May-2.4%
Jun-6.3%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+15.3%
Feb-9.1%
Mar+9.4%
Apr-2.5%
May+15.7%
Jun+7.1%
Jul+20.3%
Aug+13.8%
Sep+2.1%
Oct+0.0%
Nov-1.1%
Dec-11.9%
2024
Jan-9.7%
Feb-12.6%
Mar-1.1%
Apr-3.7%
May+3.1%
Jun+63.7%
Jul-2.3%
Aug+10.6%
Sep+4.7%
Oct-3.1%
Nov-5.1%
Dec-7.0%
2023
Jan-4.7%
Feb-15.4%
Mar+4.6%
Apr-0.6%
May-7.1%
Jun+2.7%
Jul+2.9%
Aug+1.2%
Sep-10.5%
Oct-14.3%
Nov+10.8%
Dec+13.8%
2022
Jan-18.9%
Feb+14.7%
Mar+3.4%
Apr-18.3%
May-5.7%
Jun+15.9%
Jul-2.6%
Aug+45.5%
Sep-3.1%
Oct+3.5%
Nov+6.4%
Dec+7.7%
2021
Jan+15.8%
Feb-1.6%
Mar-4.7%
Apr-0.4%
May+1.0%
Jun+19.4%
Jul+5.6%
Aug+12.6%
Sep-6.3%
Oct-15.5%
Nov+15.2%
Dec-7.7%
2020
Jan-0.3%
Feb+2.5%
Mar-7.5%
Apr+21.0%
May+2.7%
Jun+9.5%
Jul-1.6%
Aug-9.0%
Sep+9.8%
Oct-15.5%
Nov+5.6%
Dec+0.0%
2019
Jan+14.6%
Feb+1.8%
Mar+9.9%
Apr-4.4%
May-24.4%
Jun+7.5%
Jul+6.9%
Aug+4.0%
Sep-0.3%
Oct+7.9%
Nov+35.0%
Dec-1.7%
2018
Jan+2.3%
Feb-7.6%
Mar-0.9%
Apr-20.6%
May+5.2%
Jun-1.0%
Jul-3.5%
Aug+29.1%
Sep-28.7%
Oct-8.1%
Nov+0.9%
Dec-10.2%
2017
Jan+6.8%
Feb+29.1%
Mar-0.8%
Apr+4.6%
May+22.1%
Jun+21.8%
Jul+3.7%
Aug+3.6%
Sep+37.0%
Oct+3.7%
Nov+10.4%
Dec-5.6%
2016
Jan-26.8%
Feb-15.0%
Mar+7.2%
Apr+6.8%
May+7.0%
Jun-22.6%
Jul+22.7%
Aug+2.6%
Sep-3.0%
Oct-47.5%
Nov+23.2%
Dec-14.7%
2015
Jan-3.3%
Feb+8.2%
Mar+2.8%
Apr-2.4%
May+28.7%
Jun-8.6%
Jul+6.3%
Aug-19.2%
Sep-21.9%
Oct+7.0%
Nov+21.1%
Dec-9.5%
2014
Jan+30.1%
Feb-2.9%
Mar-17.4%
Apr-26.2%
May+19.7%
Jun+6.5%
Jul-14.3%
Aug+28.7%
Sep+12.1%
Oct+18.7%
Nov+8.4%
Dec-3.5%
2013
Jan+32.2%
Feb-1.8%
Mar+2.9%
Apr-1.7%
May+27.9%
Jun+1.2%
Jul+48.9%
Aug+12.2%
Sep+23.6%
Oct-10.0%
Nov+6.2%
Dec+5.1%
2012
Jan+41.8%
Feb+15.4%
Mar-17.0%
Apr+2.9%
May-10.1%
Jun+13.8%
Jul+60.4%
Aug-2.1%
Sep+2.7%
Oct-13.9%
Nov+4.9%
Dec+7.5%
2011
Jan+4.8%
Feb+6.3%
Mar-12.9%
Apr+7.3%
May+2.0%
Jun-10.5%
Jul+0.1%
Aug-25.6%
Sep-5.9%
Oct+23.6%
Nov-12.6%
Dec+14.8%
2010
Jan-4.1%
Feb+3.1%
Mar-2.3%
Apr-0.4%
May-6.8%
Jun-4.9%
Jul+2.2%
Aug-10.9%
Sep-10.2%
Oct+7.1%
Nov-30.4%
Dec+7.8%
2009
Jan-14.7%
Feb-12.6%
Mar+3.3%
Apr-3.7%
May+11.0%
Jun+9.4%
Jul+4.5%
Aug-4.2%
Sep+1.7%
Oct-24.9%
Nov-1.3%
Dec+4.8%
2008
Jan+3.3%
Feb-5.5%
Mar-14.1%
Apr+2.8%
May+15.2%
Jun-7.4%
Jul+30.1%
Aug-14.7%
Sep-2.4%
Oct-20.6%
Nov-20.7%
Dec+35.7%
2007
Jan-0.7%
Feb-11.5%
Mar-4.3%
Apr+4.3%
May-12.6%
Jun-7.6%
Jul+59.0%
Aug-3.1%
Sep+40.2%
Oct-3.6%
Nov+3.3%
Dec-10.9%
2006
Jan+0.6%
Feb+19.6%
Mar+9.4%
Apr-12.6%
May-3.8%
Jun+2.0%
Jul-15.3%
Aug+2.0%
Sep+10.7%
Oct+36.8%
Nov+8.9%
Dec-0.3%
2005
Jan-6.3%
Feb+2.1%
Mar+2.5%
Apr+6.1%
May-4.1%
Jun-2.1%
Jul+33.6%
Aug-2.6%
Sep+18.9%
Oct-15.0%
Nov+30.7%
Dec+6.4%
2004
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul-31.9%
Aug+6.8%
Sep+4.7%
Oct-8.9%
Nov+52.4%
Dec-6.6%
Avg
Jan+2.9%
Feb+0.3%
Mar-1.3%
Apr-2.2%
May+3.8%
Jun+5.5%
Jul+10.7%
Aug+3.7%
Sep+3.5%
Oct-4.2%
Nov+7.8%
Dec+0.6%
Median
Jan+0.1%
Feb-1.6%
Mar-0.7%
Apr-1.1%
May+2.4%
Jun+2.7%
Jul+4.1%
Aug+2.3%
Sep+1.9%
Oct-5.9%
Nov+6.3%
Dec-1.0%
Last 5Y Avg
Jan-6.6%
Feb-4.8%
Mar+3.2%
Apr-6.3%
May+0.7%
Jun+21.8%
Jul+4.8%
Aug+16.8%
Sep-2.6%
Oct-5.9%
Nov+5.3%
Dec-1.0%
Std Dev (σ)
Jan16.9%
Feb11.8%
Mar8.2%
Apr10.3%
May13.6%
Jun17.2%
Jul23.5%
Aug16.4%
Sep16.4%
Oct17.9%
Nov18.0%
Dec11.6%
Consistency (μ/σ)
Jan0.17
Feb0.02
Mar-0.15
Apr-0.21
May0.28
Jun0.32
Jul0.46
Aug0.23
Sep0.21
Oct-0.23
Nov0.43
Dec0.05
Win Rate (%)
Jan50%
Feb45%
Mar45%
Apr36%
May59%
Jun62%
Jul68%
Aug59%
Sep55%
Oct41%
Nov73%
Dec45%
Winning / Losing Months
Jan▲11▼11
Feb▲10▼12
Mar▲10▼12
Apr▲8▼14
May▲13▼9
Jun▲13▼8
Jul▲15▼7
Aug▲13▼9
Sep▲12▼10
Oct▲9▼13
Nov▲16▼6
Dec▲10▼12
Longest Win / Loss Streak
Jan▲4▼3
Feb▲3▼4
Mar▲2▼3
Apr▲2▼6
May▲6▼3
Jun▲7▼2
Jul▲7▼1
Aug▲5▼6
Sep▲4▼3
Oct▲2▼3
Nov▲12▼4
Dec▲6▼6
Best
Jan+41.8%2012
Feb+29.1%2017
Mar+9.9%2019
Apr+21.0%2020
May+28.7%2015
Jun+63.7%2024
Jul+60.4%2012
Aug+45.5%2022
Sep+40.2%2007
Oct+36.8%2006
Nov+52.4%2004
Dec+35.7%2008
Worst
Jan-26.8%2016
Feb-15.4%2023
Mar-17.4%2014
Apr-26.2%2014
May-24.4%2019
Jun-22.6%2016
Jul-31.9%2004
Aug-25.6%2011
Sep-28.7%2018
Oct-47.5%2016
Nov-30.4%2010
Dec-14.7%2016
−47.5%+63.7%
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