Insmed Incorporated (INSM) returns
Insmed returns over 10 years
$1,000 invested in Insmed ten years ago was worth $8,315 at the close on October 30, 2026, with dividends reinvested: an average return of 23.6% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | -1.4% | — | $986.33 | -0.9% |
| 3 months | +10.9% | — | $1,109 | +2.1% |
| Year to date | -35.3% | — | $646.86 | +11.7% |
| 1 year | -42.0% | — | $579.65 | +12.4% |
| 3 years | +373.0% | +67.9% | $4,730 | +88.5% |
| 5 years | +273.4% | +30.1% | $3,734 | +76.0% |
| 10 years | +731.5% | +23.6% | $8,315 | +316.6% |
Insmed return by calendar year
| Year | INSM | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | -35.3% | +11.7% | -47.0% |
| 2025 | +152.1% | +17.7% | +134.4% |
| 2024 | +122.8% | +24.9% | +97.9% |
| 2023 | +55.1% | +26.2% | +28.9% |
| 2022 | -26.7% | -18.2% | -8.5% |
| 2021 | -18.2% | +28.7% | -46.9% |
| 2020 | +39.4% | +18.4% | +21.0% |
| 2019 | +82.0% | +31.2% | +50.8% |
| 2018 | -57.9% | -4.6% | -53.4% |
| 2017 | +135.7% | +21.7% | +114.0% |
| 2016 | -27.1% | +12.0% | -39.1% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: INSM financials
No forecast, no recommendation. This page describes Insmed Incorporated from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.