INSM
$114.14-1.29%
as of close, Sep 30, 2026
☾ AH $114.14 -1.29%
Insmed IncorporatedStock · Health CareNasdaq Composite 0.05%Russell 1000 0.03%US Stock Market 0.03%Russell 3000 0.03%MSCI World 0.03%MSCI ACWI 0.02%
Insmed Incorporated monthly returns
Insmed Incorporated has averaged 3.24% per month, positive in 48% of months. Month-by-month returns for Insmed Incorporated (INSM) below, through September 30, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+3.2%
309 months
Best month
+151.3%
Sep 2017
Worst month
-77.8%
Sep 2002
Positive months
48%
of all months
Insmed Incorporated monthly returns#
| Month | Path | Total return |
|---|---|---|
| Sep 2026 | -6.3% | |
| Aug 2026 | +23.5% | |
| Jul 2026 | -7.5% | |
| Jun 2026 | -0.3% | |
| May 2026 | -21.6% | |
| Apr 2026 | -16.6% | |
| Mar 2026 | +9.5% | |
| Feb 2026 | -4.8% | |
| Jan 2026 | -9.9% | |
| Dec 2025 | -16.2% | |
| Nov 2025 | +9.6% | |
| Oct 2025 | +31.7% | |
| Sep 2025 | +5.8% | |
| Aug 2025 | +26.9% | |
| Jul 2025 | +6.6% | |
| Jun 2025 | +44.3% | |
| May 2025 | -3.2% | |
| Apr 2025 | -5.6% | |
| Mar 2025 | -6.5% | |
| Feb 2025 | +6.5% | |
| Jan 2025 | +10.9% | |
| Dec 2024 | -8.1% | |
| Nov 2024 | +11.7% | |
| Oct 2024 | -7.8% | |
| Sep 2024 | -4.5% | |
| Aug 2024 | +5.1% | |
| Jul 2024 | +8.6% | |
| Jun 2024 | +21.7% | |
| May 2024 | +122.7% | |
| Apr 2024 | -8.9% | |
| Mar 2024 | -2.1% | |
| Feb 2024 | -0.3% | |
| Jan 2024 | -10.3% | |
| Dec 2023 | +23.9% | |
| Nov 2023 | -0.2% | |
| Oct 2023 | -0.8% | |
| Sep 2023 | +15.3% | |
| Aug 2023 | -0.9% | |
| Jul 2023 | +4.7% | |
| Jun 2023 | +10.9% | |
| May 2023 | -2.4% | |
| Apr 2023 | +14.4% | |
| Mar 2023 | -16.3% | |
| Feb 2023 | -5.3% | |
| Jan 2023 | +7.8% | |
| Dec 2022 | +8.1% | |
| Nov 2022 | +6.8% | |
| Oct 2022 | -19.6% | |
| Sep 2022 | -12.5% | |
| Aug 2022 | +11.3% | |
| Jul 2022 | +12.2% | |
| Jun 2022 | +4.8% | |
| May 2022 | -14.3% | |
| Apr 2022 | -6.5% | |
| Mar 2022 | -1.7% | |
| Feb 2022 | +5.4% | |
| Jan 2022 | -16.7% | |
| Dec 2021 | -1.0% | |
| Nov 2021 | -8.7% | |
| Oct 2021 | +9.5% | |
| Sep 2021 | -1.8% | |
| Aug 2021 | +14.0% | |
| Jul 2021 | -13.6% | |
| Jun 2021 | +15.7% | |
| May 2021 | -27.1% | |
| Apr 2021 | -1.0% | |
| Mar 2021 | -4.8% | |
| Feb 2021 | -4.8% | |
| Jan 2021 | +12.9% | |
| Dec 2020 | -14.7% | |
| Nov 2020 | +18.4% | |
| Oct 2020 | +2.5% | |
| Sep 2020 | +14.0% | |
| Aug 2020 | +7.9% | |
| Jul 2020 | -5.2% | |
| Jun 2020 | +13.4% | |
| May 2020 | +5.6% | |
| Apr 2020 | +43.5% | |
| Mar 2020 | -35.6% | |
| Feb 2020 | +21.2% | |
| Jan 2020 | -14.0% | |
| Dec 2019 | +3.6% | |
| Nov 2019 | +24.0% | |
| Oct 2019 | +5.4% | |
| Sep 2019 | +7.3% | |
| Aug 2019 | -25.1% | |
| Jul 2019 | -14.3% | |
| Jun 2019 | +5.7% | |
| May 2019 | -20.5% | |
| Apr 2019 | +4.7% | |
| Mar 2019 | -2.0% | |
| Feb 2019 | +22.0% | |
| Jan 2019 | +85.3% | |
| Dec 2018 | -26.7% | |
| Nov 2018 | +22.7% | |
| Oct 2018 | -27.8% | |
| Sep 2018 | +1.5% | |
| Aug 2018 | -19.9% | |
| Jul 2018 | +5.2% | |
| Jun 2018 | -15.1% | |
| May 2018 | +14.5% | |
| Apr 2018 | +8.0% | |
| Mar 2018 | -7.0% | |
| Feb 2018 | -4.8% | |
| Jan 2018 | -18.4% | |
| Dec 2017 | -0.0% | |
| Nov 2017 | +15.5% | |
| Oct 2017 | -13.5% | |
| Sep 2017 | +151.3% | |
| Aug 2017 | -23.2% | |
| Jul 2017 | -5.8% | |
| Jun 2017 | +11.3% | |
| May 2017 | -16.4% | |
| Apr 2017 | +5.4% | |
| Mar 2017 | +9.9% | |
| Feb 2017 | +7.9% | |
| Jan 2017 | +11.6% | |
| Dec 2016 | -3.1% | |
| Nov 2016 | +5.2% | |
| Oct 2016 | -10.6% |
Monthly total return (since Oct 2021)#
-100%-50%0%50%100%
Oct 2021+9.5%
Nov 2021-8.7%
Dec 2021-1.0%
Jan 2022-17%2022
Feb 2022+5.4%
Mar 2022-1.7%
Apr 2022-6.5%
May 2022-14%
Jun 2022+4.8%
Jul 2022+12%
Aug 2022+11%
Sep 2022-13%
Oct 2022-20%
Nov 2022+6.8%
Dec 2022+8.1%
Jan 2023+7.8%2023
Feb 2023-5.3%
Mar 2023-16%
Apr 2023+14%
May 2023-2.4%
Jun 2023+11%
Jul 2023+4.7%
Aug 2023-0.91%
Sep 2023+15%
Oct 2023-0.75%
Nov 2023-0.16%
Dec 2023+24%
Jan 2024-10%2024
Feb 2024-0.29%
Mar 2024-2.1%
Apr 2024-8.9%
May 2024+123%
Jun 2024+22%
Jul 2024+8.6%
Aug 2024+5.1%
Sep 2024-4.5%
Oct 2024-7.8%
Nov 2024+12%
Dec 2024-8.1%
Jan 2025+11%2025
Feb 2025+6.5%
Mar 2025-6.5%
Apr 2025-5.6%
May 2025-3.2%
Jun 2025+44%
Jul 2025+6.6%
Aug 2025+27%
Sep 2025+5.8%
Oct 2025+32%
Nov 2025+9.6%
Dec 2025-16%
Jan 2026-9.9%2026
Feb 2026-4.8%
Mar 2026+9.5%
Apr 2026-17%
May 2026-22%
Jun 2026-0.27%
Jul 2026-7.5%
Aug 2026+24%
Sep 2026-6.3%
Methodology#
Monthly returns are total returns (dividends reinvested), computed from INSM's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Insmed Incorporated's average monthly return?
- Insmed Incorporated (INSM) has averaged about 3.24% per month, positive in roughly 48% of months. The best month was Sep 2017 (+151.3%) and the worst was Sep 2002 (-77.8%).
More on Insmed Incorporated
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