OMER · Omeros Corporation

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; 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; OncotoX-AML, to treat acute myeloid leukemia; and Targeted Complement Activating Therapy, for Multidrug-resistant organisms. Omeros Corporation was incorporated in 1994 and is headquartered in Seattle, Washington.

The Omeros Building, Seattle, WA, 98119, United States
Biotechnology
Healthcare

Market Cap

1.337B

52 Wk Range

$4.06 - $21.24

Previous Close

$18.47

Open

$18.60

Volume

520,973

Day Range

$18.22 - $18.76

Enterprise Value

1.531B

Cash

132M

Avg Qtr Burn

N/A

Insider Ownership

4.08%

Institutional Own.

51.08%

Qtr Updated

Jun 30th 2026