ChartRow logo
Data provided bySource: Twelve Data
Share this page

Alnylam Pharmaceuticals Inc. monthly returns

Alnylam Pharmaceuticals Inc. has averaged 2.36% a month with dividends reinvested, and risen in 53% of months, through November 13, 2026. The table lists the most recent months; the chart, the last 5 years.

Average month
+2.4%
269 months
Best month
+63.7%
Jun 2024
Worst month
-47.5%
Oct 2016
Positive months
53%
of all months
Alnylam Pharmaceuticals Inc. total return by month
MonthTotal return
Nov 2026
+0.0%
Oct 2026
-33.1%
Sep 2026
+2.5%
Aug 2026
+17.1%
Jul 2026
-31.7%
Jun 2026
-0.3%
May 2026
-2.4%
Apr 2026
-6.5%
Mar 2026
-0.6%
Feb 2026
-1.5%
Jan 2026
-15.0%
Dec 2025
-11.9%
Nov 2025
-1.1%
Oct 2025
+0.0%
Sep 2025
+2.1%
Aug 2025
+13.8%
Jul 2025
+20.3%
Jun 2025
+7.1%
May 2025
+15.7%
Apr 2025
-2.5%
Mar 2025
+9.4%
Feb 2025
-9.1%
Jan 2025
+15.3%
Dec 2024
-7.0%
Nov 2024
-5.1%
Oct 2024
-3.1%
Sep 2024
+4.7%
Aug 2024
+10.6%
Jul 2024
-2.3%
Jun 2024
+63.7%
May 2024
+3.1%
Apr 2024
-3.7%
Mar 2024
-1.1%
Feb 2024
-12.6%
Jan 2024
-9.7%
Dec 2023
+13.8%
Nov 2023
+10.8%
Oct 2023
-14.3%
Sep 2023
-10.5%
Aug 2023
+1.2%
Jul 2023
+2.9%
Jun 2023
+2.7%
May 2023
-7.1%
Apr 2023
-0.6%
Mar 2023
+4.6%
Feb 2023
-15.4%
Jan 2023
-4.7%
Dec 2022
+7.7%
Nov 2022
+6.4%
Oct 2022
+3.5%
Sep 2022
-3.1%
Aug 2022
+45.5%
Jul 2022
-2.6%
Jun 2022
+15.9%
May 2022
-5.7%
Apr 2022
-18.3%
Mar 2022
+3.4%
Feb 2022
+14.7%
Jan 2022
-18.9%
Dec 2021
-7.7%
Nov 2021
+15.2%
Oct 2021
-15.5%
Sep 2021
-6.3%
Aug 2021
+12.6%
Jul 2021
+5.6%
Jun 2021
+19.4%
May 2021
+1.0%
Apr 2021
-0.4%
Mar 2021
-4.7%
Feb 2021
-1.6%
Jan 2021
+15.8%
Dec 2020
+0.0%
Nov 2020
+5.6%
Oct 2020
-15.5%
Sep 2020
+9.8%
Aug 2020
-9.0%
Jul 2020
-1.6%
Jun 2020
+9.5%
May 2020
+2.7%
Apr 2020
+21.0%
Mar 2020
-7.5%
Feb 2020
+2.5%
Jan 2020
-0.3%
Dec 2019
-1.7%
Nov 2019
+35.0%
Oct 2019
+7.9%
Sep 2019
-0.3%
Aug 2019
+4.0%
Jul 2019
+6.9%
Jun 2019
+7.5%
May 2019
-24.4%
Apr 2019
-4.4%
Mar 2019
+9.9%
Feb 2019
+1.8%
Jan 2019
+14.6%
Dec 2018
-10.2%
Nov 2018
+0.9%
Oct 2018
-8.1%
Sep 2018
-28.7%
Aug 2018
+29.1%
Jul 2018
-3.5%
Jun 2018
-1.0%
May 2018
+5.2%
Apr 2018
-20.6%
Mar 2018
-0.9%
Feb 2018
-7.6%
Jan 2018
+2.3%
Dec 2017
-5.6%
Nov 2017
+10.4%
Oct 2017
+3.7%
Sep 2017
+37.0%
Aug 2017
+3.6%
Jul 2017
+3.7%
Jun 2017
+21.8%
May 2017
+22.1%
Apr 2017
+4.6%
Mar 2017
-0.8%
Feb 2017
+29.1%
Jan 2017
+6.8%
Dec 2016
-14.7%

Monthly total return (since Dec 2021)#

Alnylam Pharmaceuticals Inc. returns by calendar month#

Every month of every year since 2004, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.

November 2026 so far: +0.02% — 17th of 23 Novembers since 2004 at the last close; the average November returned +7.8%.

Alnylam Pharmaceuticals Inc. returns by calendar month since 2004
Month−65%0+65%AverageUp
Jan+2.9%50%
Feb+0.3%45%
Mar-1.3%45%
Apr-2.2%36%
May+3.8%59%
Jun+5.3%59%
Jul+8.9%65%
Aug+4.3%61%
Sep+3.4%57%
Oct-5.5%39%
NovNovember 2026 so far: +0.0%+7.8%73%
Dec+0.6%45%

Methodology#

Monthly returns are total returns (dividends reinvested), computed from ALNY's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

FAQ#

What is Alnylam Pharmaceuticals Inc.'s average monthly return?
Alnylam Pharmaceuticals Inc. has averaged about 2.36% per month (dividends reinvested), positive in roughly 53% of months. The best month was Jun 2024 (+63.7%) and the worst was Oct 2016 (-47.5%).

More on Alnylam Pharmaceuticals Inc.