Skip to content
AnalystLens
Back to INSMBalance Sheet

Insmed Shares Outstanding 2010-2026 | INSM

Annual FY2010–FY2025 · quarterly through Q3 FY2026

Latest annual · FY2025

214.3M

+19.4%YoY vs FY2024Source: 10-KFY2025

From 15.7M in FY2010 to 214.3M in FY2025: 13.7× in 15 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26217M+19.0%218M+3.4%219M+3.2%Not reported
FY25182M+22.4%211M+26.7%213M+18.9%214M+19.4%
FY24149M+8.9%167M+16.8%179M+25.0%179M+21.2%
FY23136M+14.3%143M+19.1%143M+17.5%148M+9.1%
FY22119M+15.6%120M+4.0%122M+2.8%136M+14.2%

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

+15.8%

FY2020
102.8M
FY2025
214.3M

5 years selected · on the chart

Shares Outstanding History

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

  1. 214.3M
YoY changeLargest recent move+23.5%in FY17Latest +19.4%

1 older move runs past ±50% (largest +58.6%); point at, tap or drag across the bars to read one.

Shares Outstanding, period by period

PeriodValueChangeSource
FY2025214.3M+19.4%10-K
FY2024179.4M+21.2%10-K
FY2023148.0M+9.1%10-K
FY2022135.7M+14.2%10-K
FY2021118.7M+15.5%10-K
FY2020102.8M+14.6%10-K
FY201989.7M+16.0%10-K
FY201877.3M+0.9%10-K
FY201776.6M+23.5%10-K
FY201662.0M+0.3%10-K
FY201561.8M+24.1%10-K
FY201449.8M+27.3%10-K
FY201339.1M+24.3%10-K
FY201231.5M+26.8%10-K
FY201124.8M+58.6%10-K
FY201015.7M—10-K

What is shares outstanding?

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

What is Insmed's current shares outstanding?

Insmed (INSM) annual shares outstanding for 2025 was 214.3M, a 19.44% increase from 2024. Insmed shares outstanding for the quarter ending September 30, 2026 was 219.3M.

What was Insmed's shares outstanding in 2024?

Insmed annual shares outstanding for 2024 was 179.4M, a 21.22% increase from 2023.

What was Insmed's shares outstanding in 2023?

Insmed annual shares outstanding for 2023 was 148.0M, a 9.09% increase from 2022.

What is Insmed's 5-year shares outstanding CAGR?

Insmed shares outstanding grew at a compound annual growth rate (CAGR) of 15.83% from FY2020 to FY2025, going from 102.8M to 214.3M over 5 years.

Company
Insmed
Ticker
INSM
Sector
Healthcare
Industry
Pharmaceutical Preparations