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INSM
Insmed IncorporatedStock · Health Care · Nasdaq-100 0.2%
$126.31−$5.97 (-4.52%)as of market close, Aug 13, 2026
☾ After hours:$126.33+0.00%3:59 PM ET
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INSM weekly returns

Insmed Incorporated has averaged 0.71% per week, positive in 48% of weeks. Week-by-week returns for Insmed Incorporated (INSM) below, through August 13, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.

Average week
+0.7%
1367 weeks
Best week
+150.2%
May 31, 2024
Worst week
-69.2%
Sep 13, 2002
Positive weeks
48%
of all weeks

Insmed Incorporated weekly returns#

Insmed Incorporated total return by week
Week endingTotal return
Aug 13, 2026
-3.6%
Aug 7, 2026
+33.0%
Jul 31, 2026
-7.8%
Jul 24, 2026
-1.3%
Jul 17, 2026
-6.3%
Jul 10, 2026
+3.6%
Jul 2, 2026
+8.0%
Jun 26, 2026
+7.9%
Jun 18, 2026
-2.1%
Jun 12, 2026
+3.9%
Jun 5, 2026
-11.9%
May 29, 2026
+0.6%

Weekly total return (since Aug 23, 2024)

-30%-20%-10%+0%+10%+20%+30%
20252026

Methodology#

Weekly returns are total returns (dividends reinvested), computed from INSM's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ#

What is Insmed Incorporated's average weekly return?
Insmed Incorporated (INSM) has averaged about 0.71% per week, positive in roughly 48% of weeks. The best week was May 31, 2024 (+150.2%) and the worst was Sep 13, 2002 (-69.2%).