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ALNYLAM PHARMACEUTICALS, INC. Shares Outstanding 2009-2025 | ALNY

Annual FY2009–FY2025 · quarterly through Q4 FY2025

Latest annual · FY2025

132.4M

+2.4%YoY vs FY2024Source: 10-KFY2025

From 41.8M in FY2009 to 132.4M in FY2025: 3.2× in 16 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY25130M+3.0%131M+2.3%132M+2.3%132M+2.4%
FY24126M+1.8%128M+2.5%129M+2.7%129M+2.8%
FY23124M+2.9%125M+3.2%125M+2.0%126M+1.5%
FY22121M+2.9%121M+2.0%123M+2.9%124M+3.1%
FY21117M+3.7%119M+2.6%119M+2.9%120M+3.2%

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionGrowing
CAGR

+2.6%

FY2020
116.4M
FY2025
132.4M

5 years selected · on the chart

01—History

Shares Outstanding History

Year-over-year comparison from 10-K annual reports

  17. 132.4M
YoY changeLargest recent move+16.0%in FY17Latest +2.4%

02—Ledger

Shares Outstanding, period by period

PeriodValueChangeSource
FY2025132.4M+2.4%10-K
FY2024129.3M+2.8%10-K
FY2023125.8M+1.5%10-K
FY2022123.9M+3.1%10-K
FY2021120.2M+3.2%10-K
FY2020116.4M+3.8%10-K
FY2019112.2M+10.9%10-K
FY2018101.2M+1.5%10-K
FY201799.7M+16.0%10-K
FY201685.9M+1.0%10-K
FY201585.1M+10.2%10-K
FY201477.2M+21.1%10-K
FY201363.7M+21.4%10-K
FY201252.5M+22.9%10-K
FY201142.7M+0.9%10-K
FY201042.3M+1.2%10-K
FY200941.8M—10-K

03—Questions

What is shares outstanding?

Shares outstanding is the total number of common shares currently held by all shareholders, including restricted shares.

What is ALNYLAM PHARMACEUTICALS, INC.'s current shares outstanding?

ALNYLAM PHARMACEUTICALS, INC. (ALNY) annual shares outstanding for 2025 was 132.4M, a 2.38% increase from 2024. ALNYLAM PHARMACEUTICALS, INC. shares outstanding for the quarter ending December 31, 2025 was 132.4M.

What was ALNYLAM PHARMACEUTICALS, INC.'s shares outstanding in 2024?

ALNYLAM PHARMACEUTICALS, INC. annual shares outstanding for 2024 was 129.3M, a 2.78% increase from 2023.

What was ALNYLAM PHARMACEUTICALS, INC.'s shares outstanding in 2023?

ALNYLAM PHARMACEUTICALS, INC. annual shares outstanding for 2023 was 125.8M, a 1.51% increase from 2022.

What is ALNYLAM PHARMACEUTICALS, INC.'s 5-year shares outstanding CAGR?

ALNYLAM PHARMACEUTICALS, INC. shares outstanding grew at a compound annual growth rate (CAGR) of 2.60% from FY2020 to FY2025, going from 116.4M to 132.4M over 5 years.

Company
ALNYLAM PHARMACEUTICALS, INC.
Ticker
ALNY
Sector
Healthcare
Industry
Pharmaceutical Preparations
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