Omeros Corporation (OMER) Stock Price History
Historical prices from 2009 to 2026
- 1M
- -10.2%
- 3M
- +1.0%
- YTD
- -39.5%
- 1Y
- +230.3%
- 3Y
- +23.1%
- 5Y
- -8.0%
Loading 10-year price history...
OMER Historical Performance
OMER Annual Returns
Year-by-year price performance · 2009–2026
- 2009 annual price return
- -19.6%
- 2010 annual price return
- +13.0%
- 2011 annual price return
- -53.5%
- 2012 annual price return
- +29.8%
- 2013 annual price return
- +109.5%
- 2014 annual price return
- +105.5%
- 2015 annual price return
- -37.1%
- 2016 annual price return
- -32.9%
- 2017 annual price return
- +92.4%
- 2018 annual price return
- -44.7%
- 2019 annual price return
- +18.9%
- 2020 annual price return
- +4.9%
- 2021 annual price return
- -55.7%
- 2022 annual price return
- -67.7%
- 2023 annual price return
- +31.9%
- 2024 annual price return
- +200.3%
- 2025 annual price return
- +74.6%
- 2026 annual price return
- -26.4%
OMER Stock Price Trajectory (2009–2026)
As of June 30, 2026, Omeros Corporation (OMER) trades at $9.91, representing a +230.3% return over the past year. The stock has delivered a -31.9% total return over five years (-8.0% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $30.23 on August 18, 2015. From this peak, OMER has corrected -67.2%, currently trading 4% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers ACAD (+16.8% 1Y), PTCT (+67.0% 1Y), and RARE (-15.6% 1Y), OMER has outperformed the peer group average. Compare OMER vs ACAD →
OMER Historical Price Data · from 2009
Rows 1–50 of 4,206| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-29 | 8.54 | 9.94 | 8.52 | 9.91 | 2.74M | +14.30% |
| 2026-06-26 | 7.39 | 8.89 | 7.39 | 8.67 | 0 | -19.12% |
| 2026-06-25 | 10.61 | 10.83 | 10.52 | 10.72 | 1.10M | +1.32% |
| 2026-06-24 | 10.57 | 10.83 | 10.46 | 10.58 | 1.13M | +0.95% |
| 2026-06-23 | 10.39 | 10.59 | 10.10 | 10.48 | 1.03M | +1.45% |
| 2026-06-22 | 10.13 | 10.47 | 9.79 | 10.33 | 1.67M | +0.49% |
| 2026-06-18 | 10.09 | 10.42 | 9.75 | 10.28 | 2.57M | +6.64% |
| 2026-06-17 | 9.44 | 9.93 | 9.26 | 9.64 | 1.38M | +1.69% |
| 2026-06-16 | 9.34 | 9.88 | 8.86 | 9.48 | 2.59M | +1.61% |
| 2026-06-15 | 8.82 | 9.61 | 8.82 | 9.33 | 1.94M | +6.81% |
| 2026-06-12 | 10.05 | 10.11 | 6.70 | 8.73 | 7.77M | -14.19% |
| 2026-06-11 | 10.19 | 10.48 | 10.03 | 10.18 | 1.08M | -0.20% |
| 2026-06-10 | 10.05 | 10.43 | 10.05 | 10.20 | 1.35M | +2.31% |
| 2026-06-09 | 9.86 | 10.04 | 9.55 | 9.97 | 1.53M | +1.22% |
| 2026-06-08 | 10.02 | 10.10 | 9.63 | 9.85 | 1.40M | +0.61% |
| 2026-06-05 | 10.14 | 10.26 | 9.75 | 9.79 | 1.68M | -4.49% |
| 2026-06-04 | 10.25 | 10.80 | 10.10 | 10.25 | 1.39M | +0.89% |
| 2026-06-03 | 10.21 | 10.22 | 9.86 | 10.16 | 1.82M | -0.97% |
| 2026-06-02 | 10.54 | 10.65 | 10.21 | 10.26 | 2.39M | -4.29% |
| 2026-06-01 | 10.91 | 11.00 | 10.61 | 10.72 | 1.25M | -2.90% |
| 2026-05-29 | 11.12 | 11.12 | 10.77 | 11.04 | 2.17M | -0.99% |
| 2026-05-28 | 10.93 | 11.21 | 10.58 | 11.15 | 1.17M | +0.72% |
| 2026-05-27 | 11.77 | 12.02 | 10.55 | 11.07 | 4.35M | -4.98% |
| 2026-05-26 | 11.55 | 12.00 | 11.46 | 11.65 | 1.14M | +1.66% |
| 2026-05-22 | 11.84 | 11.84 | 11.46 | 11.46 | 1.52M | -4.18% |
| 2026-05-21 | 12.31 | 12.55 | 11.92 | 11.96 | 1.08M | -3.39% |
| 2026-05-20 | 12.23 | 12.55 | 12.00 | 12.38 | 1.03M | +3.43% |
| 2026-05-19 | 11.54 | 11.98 | 11.41 | 11.97 | 1.33M | +2.31% |
| 2026-05-18 | 12.29 | 12.35 | 11.66 | 11.70 | 1.99M | -4.49% |
| 2026-05-15 | 12.86 | 13.00 | 11.80 | 12.25 | 3.26M | -7.76% |
| 2026-05-14 | 14.54 | 14.54 | 12.52 | 13.28 | 3.42M | -7.65% |
| 2026-05-13 | 14.77 | 14.86 | 13.78 | 14.38 | 2.21M | -2.57% |
| 2026-05-12 | 14.48 | 14.94 | 14.36 | 14.76 | 1.09M | +2.79% |
| 2026-05-11 | 14.22 | 14.76 | 14.13 | 14.36 | 793K | +1.63% |
| 2026-05-08 | 14.62 | 14.83 | 14.12 | 14.13 | 844K | -3.48% |
| 2026-05-07 | 14.86 | 14.88 | 14.36 | 14.64 | 730K | -1.28% |
| 2026-05-06 | 14.70 | 14.91 | 14.63 | 14.83 | 521K | +0.41% |
| 2026-05-05 | 14.98 | 15.05 | 14.63 | 14.77 | 742K | -0.94% |
| 2026-05-04 | 15.04 | 15.25 | 14.69 | 14.91 | 1.08M | -1.00% |
| 2026-05-01 | 14.57 | 15.32 | 14.47 | 15.06 | 1.27M | +3.15% |
| 2026-04-30 | 14.72 | 14.92 | 14.57 | 14.60 | 698K | +0.27% |
| 2026-04-29 | 14.66 | 14.72 | 14.37 | 14.56 | 846K | -0.75% |
| 2026-04-28 | 14.74 | 14.86 | 14.30 | 14.67 | 1.60M | -0.47% |
| 2026-04-27 | 13.50 | 14.98 | 13.48 | 14.74 | 1.91M | +8.94% |
| 2026-04-24 | 13.52 | 13.92 | 13.05 | 13.53 | 1.51M | +0.07% |
| 2026-04-23 | 13.32 | 13.70 | 13.01 | 13.52 | 867K | +1.12% |
| 2026-04-22 | 13.52 | 13.59 | 13.21 | 13.37 | 845K | +0.83% |
| 2026-04-21 | 13.40 | 13.50 | 13.02 | 13.26 | 817K | -1.56% |
| 2026-04-20 | 13.35 | 13.94 | 13.04 | 13.47 | 1.12M | +0.22% |
| 2026-04-17 | 12.60 | 13.46 | 12.46 | 13.44 | 1.92M | +7.18% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
OMER — Frequently Asked Questions
Quick answers to the most common questions about buying OMER stock.
How has OMER stock performed recently?
OMER returned +230.3% over the past year, beating its 5-year annualized CAGR of -8.0%. The stock trades below its 200-day moving average, confirming the uptrend.
What is OMER's all-time high price?
Omeros Corporation reached $30.23 on 2015-08-18. The 52-week high is $17.65. Current 1-year return of +230.3% places the stock closer to historical peaks.
Where can I download OMER historical price data?
This page provides OMER daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2009-2026, downloadable in CSV format.