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Shares Outstanding for Insmed (INSM)

As of · Reported

Metric

Latest period

215.47M

YoY change

+30.2%

5Y CAGR

+17.0%

Peak year (2025)

213.64M

Shares Outstanding history chart for Insmed (INSM) from 1999 to 2025

Latest: 213.64M

Shares Outstanding growth chart for Insmed (INSM) from 1999 to 2025

Latest: +30.2%

Shares Outstanding history table for Insmed (INSM) from 1999 to 2025

  • 2025213.64M+30.2%
  • 2024164.04M+16.8%
  • 2023140.43M+14.1%
  • 2022123.03M+9.7%
  • 2021112.11M+14.9%
  • 202097.61M+15.4%
  • 201984.56M+10.0%
  • 201876.89M+15.5%
  • 201766.58M+7.6%
  • 201661.89M+5.6%
  • 201558.63M+36.1%
  • 201443.09M+23.2%
  • 201334.98M+31.8%
  • 201226.55M+13.7%
  • 201123.35M+76.2%
  • 201013.25M+4.1%
  • 200912.73M+4.2%
  • 200812.21M+6.5%
  • 200711.47M+20.3%
  • 20069.53M+95.6%
  • 20054.87M+24.5%
  • 20043.92M+10.0%
  • 20033.56M+7.7%
  • 20023.31M+0.6%
  • 20013.29M+79.4%
  • 20001.83M+480.6%
  • 1999315,500—

Shares Outstanding values are taken from Insmed's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Shares Outstanding at Insmed (INSM)

According to Insmed's latest reported financial statements, the company's latest reported diluted shares outstanding is 215.47M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

In 2025, Insmed (INSM) diluted shares outstanding totalled 213.64M – surged 30.2% year-over-year.

Through 2020–2025 (5 years), Insmed diluted shares outstanding delivered a +17.0% annualised rate; sustaining 26 straight years of year-over-year growth.

213.64M stands as the all-time-high annual diluted shares outstanding, posted in 2025, against a low of 315,500 during 1999.

Insmed Shares Outstanding by Year

Insmed Shares Outstanding 2025: 213.64M

Insmed diluted shares outstanding in 2025 was 213.64M, surged 30.2% from 2024. This figure represents the highest annual value in the available history.

Insmed Shares Outstanding 2024: 164.04M

2024's diluted shares outstanding for Insmed came in at 164.04M, grew 16.8% from 2023.

Insmed Shares Outstanding 2023: 140.43M

Insmed posted diluted shares outstanding of 140.43M in 2023, grew 14.1% from 2022.

Insmed Shares Outstanding 2022: 123.03M

In 2022, Insmed reported diluted shares outstanding of 123.03M, grew 9.7% from 2021.

Insmed Shares Outstanding 2021: 112.11M

Insmed diluted shares outstanding in 2021 was 112.11M.

See more financial history for Insmed (INSM).

Sector peers by Shares Outstanding

Healthcare peers of Insmed (INSM), ranked by their latest diluted shares outstanding

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