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Omeros Corporation NasdaqGM:OMER Omeros Corporation, a clinical-stage biopharmaceutical company, discovers, develops, and commercializes small-molecule and protein therapeutics, and orphan indications targeting immunologic diseases. The company's lead products candidate is the Narsoplimab (OMS721/MASP-2) for the treatment of hematopoietic stem-cell transplant-associated thrombotic microangiopathy (TA-TMA); and in Phase II clinical trial to treat COVID-19 and acute respiratory distress syndrome. It also develops OMS1029 that has completed phase I clinical trials for mannan-binding lectin-associated serine protease 2 (MASP-2) and lectin pathway disorders; zaltenibart that is in phase 3 clinical trials for Paroxysmal nocturnal hemoglobinuria; in phase 2 clinical trial for the treatment complement 3 glomerulopathy, and other alternative pathway disorders; and OMS527 that is in phase I clinical trials for addictions and compulsive disorders, and movement disorders, as well as cocaine use disorder. In addition, the company's products under preclinical development comprise MASP-2, a pro-inflammatory protein target for the treatment of lectin pathway disorders; MASP-3 small-molecule inhibitors for alternative pathway disorders; and Adoptive T-Cell and Immunostimulator Combination Therapies, and Oncotoxins and Immunomodulators for the treatment of various cancers. Omeros Corporation was incorporated in 1994 and is headquartered in Seattle, Washington.

Location: The Omeros Building, Seattle, WA, 98119, United States | Website: https://www.omeros.com | Industry: Biotechnology | Sector: Healthcare

Market Cap

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52 Wk Range

$ - $

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Day Range

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Volume

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Avg Volume

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Enterprise Value

557.2M

Cash

52.41M

Avg Qtr Burn

-35.72M

Short % of Float

19.12%

Insider Ownership

4.40%

Institutional Own.

47.39%

Qtr Updated

03/31/25

Drug Pipeline

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Drug & Indication	Stage & Event	Catalyst Date
OMIDRIA (phenylephrine and ketorolac intraocular solution) Details Eye disease	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Narsoplimab (OMS721) (MASP-2 inhibitor, lectin pathway) Details Hematopoietic cell transplantation	PDUFA Approval decision	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zaltenibart/OMS906 [MASP-3 inhibitor Antibody] Details Paroxysmal nocturnal hemoglobinuria , Blood disorder	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zaltenibart/OMS906 [MASP-3 inhibitor Antibody] Details Blood disorder, C3 Glomerulopathy	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
OMS405 (PPARγ agonist) Details Addiction	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
OMS1029 (MASP-2) Details Lectin pathway disorder	Phase 1 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
OMS527 (PDE7 inhibitor) Details Movement disorder, Levodopa-induced dyskinesia associated with Parkinson’s disease, Cocaine use disorder, Addiction	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Narsoplimab (MASP-2 inhibitor, lectin pathway) Details Kidney disease, Diabetic macular edema, Diabetes	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Narsoplimab (MASP-2 inhibitor, lectin pathway) Details Blood disorder, Rare diseases	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Narsoplimab (MASP-2 inhibitor, lectin pathway) Details Kidney disease, IgA nephropathy	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.