Omeros Corporation (OMER) NASDAQ

Currency In USD

OMER Historical Return

If you invested $1000 in Omeros Corporation (OMER) 10 years ago, it would be worth $1,624.89 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,148.24, while $1000 invested 1 year ago would be worth $4,404.82. This corresponds to total returns of 62.49%, 14.82%, 340.48%, respectively, with annualized returns of 4.97%, 2.8%, 340.48%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

OMER Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	18.74	18.28	18.28	18.98	18.28	1.01M
September 10, 2026	19.12	18.59	18.59	19.24	18.3	1.23M
September 09, 2026	19.01	19.39	19.39	19.55	18.93	1.49M
September 08, 2026	18.7	19.12	19.12	19.37	18.52	1M
September 04, 2026	19	18.95	18.95	19.23	18.9	838,989
September 03, 2026	18.99	19.11	19.11	19.18	18.7	1.17M
September 02, 2026	18.97	18.86	18.86	19.47	18.44	1.35M
September 01, 2026	18.66	18.75	18.75	19.04	18.48	2.04M
August 31, 2026	18.54	18.79	18.79	18.94	18.01	1.33M
August 28, 2026	19.02	18.61	18.61	19.16	18.42	1.14M
August 27, 2026	18.24	19.25	19.25	19.62	18	1.76M
August 26, 2026	18.96	18.22	18.22	19.08	18.2	1.41M
August 25, 2026	19.34	19.28	19.28	19.65	19.12	1.31M
August 24, 2026	19.1	19.32	19.32	19.39	18.42	1.43M
August 21, 2026	18.64	19.27	19.27	19.58	18.41	2.58M
August 20, 2026	18.3	18.63	18.63	18.73	18.07	1.65M
August 19, 2026	17.13	18.39	18.39	18.89	17.13	3.2M
August 18, 2026	17.02	17.19	17.19	17.29	16.9	1.23M
August 17, 2026	17.17	17.36	17.36	17.52	16.9	2.47M
August 14, 2026	17.35	17.19	17.19	17.61	16.54	3.67M
August 13, 2026	16.65	17.35	17.35	18.14	16.27	13.41M
August 12, 2026	13.5	13.71	13.71	13.8	13.29	3.33M
August 11, 2026	13.46	13.6	13.6	13.85	13.33	0
August 10, 2026	13.36	13.62	13.62	13.64	13	1.39M
August 07, 2026	13.29	13.25	13.25	13.44	12.92	1.23M
August 06, 2026	12.44	13.15	13.15	13.19	12.27	840,596
August 05, 2026	12.96	12.65	12.65	13.13	12.55	1.12M
August 04, 2026	12.66	12.94	12.94	13.05	12.42	1.65M
August 03, 2026	12.25	12.56	12.56	12.59	11.9	1.45M
July 31, 2026	11.93	11.84	11.84	11.99	11.37	1.3M
July 30, 2026	11.65	11.93	11.93	12.16	11.63	1.32M
July 29, 2026	11.36	11.67	11.67	11.89	11.24	1.68M
July 28, 2026	11.16	11.28	11.28	11.29	10.58	2.22M
July 27, 2026	11.25	11.34	11.34	11.65	10.5	3.36M
July 24, 2026	10.28	9.79	9.79	10.29	9.77	796,670
July 23, 2026	9.6	10.28	10.28	10.36	9.6	1.54M
July 22, 2026	9.43	9.84	9.84	9.91	9.43	1.23M
July 21, 2026	9.72	9.53	9.53	9.86	9.34	1.02M
July 20, 2026	9.59	9.63	9.63	9.82	9.37	1.05M
July 17, 2026	9.16	9.69	9.69	9.91	9.12	1.19M
July 16, 2026	10.25	9.22	9.22	10.33	9.16	2.2M
July 15, 2026	10.55	10.37	10.37	10.66	10.33	1.13M
July 14, 2026	10.01	10.5	10.5	10.7	9.98	1.39M
July 13, 2026	10.06	10.01	10.01	10.22	9.94	1.22M
July 10, 2026	10.18	10.28	10.28	10.35	9.94	1.09M
July 09, 2026	10.28	10.27	10.27	10.6	10.17	875,619
July 08, 2026	10.28	10.24	10.24	10.69	10.24	1.5M
July 07, 2026	10.33	10.33	10.33	10.56	10.13	1.24M
July 06, 2026	9.25	10.34	10.34	10.5	9.25	1.75M
July 02, 2026	9.41	9.28	9.28	9.62	9	1.37M
July 01, 2026	9.52	9.41	9.41	9.73	9.4	1.43M
June 30, 2026	9.99	9.51	9.51	10.16	9.5	1.94M
June 29, 2026	8.53	9.91	9.91	9.94	8.52	2.74M
June 26, 2026	7.59	8.67	8.67	8.89	7.39	10.91M
June 25, 2026	10.61	10.72	10.72	10.83	10.52	1.14M
June 24, 2026	10.57	10.58	10.58	10.83	10.46	1.17M
June 23, 2026	10.28	10.48	10.48	10.6	10.1	1.07M
June 22, 2026	10.1	10.33	10.33	10.47	9.79	1.7M
June 18, 2026	10.09	10.28	10.28	10.42	9.75	2.63M
June 17, 2026	9.44	9.64	9.64	9.93	9.26	1.42M