Insmed Incorporated (INSM) Shares Outstanding

Shares Outstanding

218.38M1.63M+0.75%

August 7, 2026

Summary

Current Value: As of today, INSM has 218.38M outstanding shares, up +0.75% on August 7, 2026
Historical Performance: INSM shares outstanding is up +3.44% year-over-year, up +52.98% over the past 3 years
All-Time High Comparison: INSM shares outstanding is currently at its all-time high
3-Year Low Comparison: INSM shares outstanding is +52.98% above its 3-year low of 142.75M reached on an earlier date

Chart

beforeafter

Performance

INSM Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	Aug 7, 26	218.38M	+3.4%	+53.0%	+89.5%
Price	Sep 4, 26	$126.29	-11.4%	+457.8%	+343.0%
Market Cap	Sep 4, 26	$28B	-8.3%	+753.4%	+739.4%
PE Ratio	Sep 4, 26	-	–	–	–
TTM Revenue	Jun 30, 26	$1.14B	+185.8%	+322.2%	+566.7%
TTM EPS	Jun 30, 26	-$4.11	+28.0%	+21.7%	-14.5%
	Sep 4, 26	$27.17B	-6.3%	+642.9%	+820.7%
TTM Net Income	Jun 30, 26	-$875.31M	+15.4%	-25.8%	-133.5%
TTM Dividend	Sep 4, 26	-	–	–	–

Highs

INSM Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	218.38M	Aug 7, 26	at high
3Y	218.38M	Aug 7, 26	at high
5Y	218.38M	Aug 7, 26	at high
All	218.38M	Aug 7, 26	at high

Lows

INSM Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	211.11M	N/A	+3.4%
3Y	142.75M	N/A	+53.0%
5Y	115.24M	N/A	+89.5%
All	2.70M	Mar 30, 00	+7978.6%

History

Month	Value	Change
Aug 2026	218.38M	+1.9%
Dec 2025	214.26M	+19.4%
Dec 2024	179.38M	+21.2%
Dec 2023	147.98M	+9.1%
Dec 2022	135.65M	+14.2%
Dec 2021	118.74M	+15.5%
Dec 2020	102.76M	+14.6%
Dec 2019	89.68M	+16.0%
Dec 2018	77.31M	+0.9%
Dec 2017	76.61M	+23.5%
Dec 2016	62.02M	+0.3%
Dec 2015	61.81M	+24.1%
Dec 2014	49.81M	+27.3%
Dec 2013	39.14M	+24.3%

Month	Value	Change
Dec 2012	31.49M	+26.8%
Dec 2011	24.83M	+58.6%
Dec 2010	15.65M	+20.2%
Dec 2009	13.02M	+6.3%
Dec 2008	12.25M	+0.5%
Dec 2007	12.19M	+20.3%
Dec 2006	10.13M	+52.3%
Dec 2005	6.65M	+48.2%
Dec 2004	4.49M	+16.9%
Dec 2003	3.84M	+15.7%
Dec 2002	3.32M	+0.8%
Dec 2001	3.29M	+0.4%
Dec 2000	3.28M	-

FAQ

What is the current shares outstanding of INSM?: As of today, INSM shares outstanding is 218.38M
What is 1-year change in INSM shares outstanding?: INSM shares outstanding is up +3.44% year-over-year
What is 3-year change in INSM shares outstanding?: INSM shares outstanding is up +52.98% over the past 3 years
How far is INSM shares outstanding from its all-time high?: INSM shares outstanding is currently at its all-time high

Data Sources & References

INSM Official Website www.insmed.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1104506/000110450626000009/0001104506-26-000009-index.htm
INSM Profile on Yahoo Finance finance.yahoo.com/quote/INSM
INSM Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/insm