Omeros Corp (OMER) returns
Omeros returns over 10 years
$1,000 invested in Omeros ten years ago was worth $2,349 at the close on October 30, 2026, with dividends reinvested: an average return of 8.9% 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 | -3.2% | — | $968.49 | -0.9% |
| 3 months | +54.6% | — | $1,546 | +2.1% |
| Year to date | +7.4% | — | $1,074 | +11.7% |
| 1 year | +145.2% | — | $2,452 | +12.4% |
| 3 years | +1,518% | +152.9% | $16,175 | +88.5% |
| 5 years | +194.1% | +24.1% | $2,941 | +76.0% |
| 10 years | +134.9% | +8.9% | $2,349 | +316.6% |
Omeros return by calendar year
| Year | OMER | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +7.4% | +11.7% | -4.3% |
| 2025 | +73.8% | +17.7% | +56.1% |
| 2024 | +202.1% | +24.9% | +177.3% |
| 2023 | +44.7% | +26.2% | +18.5% |
| 2022 | -64.9% | -18.2% | -46.7% |
| 2021 | -55.0% | +28.7% | -83.7% |
| 2020 | +1.4% | +18.4% | -17.0% |
| 2019 | +26.5% | +31.2% | -4.7% |
| 2018 | -42.7% | -4.6% | -38.1% |
| 2017 | +95.9% | +21.7% | +74.2% |
| 2016 | -36.9% | +12.0% | -48.9% |
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: OMER financials · OMER valuation
No forecast, no recommendation. This page describes Omeros Corp 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.