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18.44 USD
-0.51
2.69%
At close Updated Oct 30, 4:00 PM EDT
Pre-market
After hours
18.45
+0.01
0.05%
1 day
-2.69%
5 days
9.89%
1 month
-3.15%
3 months
54.57%
6 months
26.3%
Year to date
12.58%
1 year
145.21%
5 years
168.02%
10 years
124.88%
 

About: Omeros Corp is an inventive, commercial-stage biotechnology company that discovers and develops first-in-class protein and small-molecule therapeutics for large-market and orphan indications, with particular emphasis on complement-mediated diseases, cancers, and addictive or compulsive disorders. The company's clinical-stage development programs include: narsoplimab, its antibody targeting mannan-binding lectin-associated serine protease 2 (MASP-2), the effector enzyme of the lectin pathway of complement; OMS1029, its long-acting antibody targeting MASP-2; and OMS527, its phosphodiesterase 7 (PDE7) inhibitor program.

Employees: 175

News

Positive
Neutral
Negative
Sentiment 3-Months
Positive 37.5%
Neutral 56.3%
Negative 6.3%
Neutral
PRNewsWire
2 days ago
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
NEW YORK, Oct. 29, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Omeros Corporation ("Omeros" or the "Company") (NASDAQ: OMER).  Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext.
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Neutral
GlobeNewsWire
3 days ago
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
NEW YORK, Oct. 27, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Omeros Corporation (“Omeros” or the “Company”) (NASDAQ: OMER).  Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext. 7980.
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Neutral
PRNewsWire
9 days ago
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
NEW YORK, Oct. 22, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Omeros Corporation ("Omeros" or the "Company") (NASDAQ: OMER). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext.
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Neutral
GlobeNewsWire
11 days ago
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
NEW YORK, Oct. 20, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Omeros Corporation (“Omeros” or the “Company”) (NASDAQ: OMER). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext. 7980.
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Negative
Benzinga
15 days ago
Omeros Stock Sinks on Negative EU Opinion for Narsoplimab, Compassionate-Use Program Ends
Omeros Corporation (NASDAQ:OMER) shares are trading lower Friday after the company announced that the European Medicines Agency's CHMP issued a negative opinion on its marketing authorization application for narsoplimab in TA-TMA, following re-examination of its original negative opinion from June.
Omeros Stock Sinks on Negative EU Opinion for Narsoplimab, Compassionate-Use Program Ends
Neutral
Business Wire
15 days ago
Omeros Corporation Receives CHMP Negative Opinion Following Re-Examination of European Marketing Authorization Application for Narsoplimab in TA-TMA
SEATTLE--(BUSINESS WIRE)--Omeros Corporation (Nasdaq: OMER) today announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) issued a negative opinion on the company's marketing authorization application (MAA) for narsoplimab for the treatment of hematopoietic stem cell transplant-associated thrombotic microangiopathy (TA-TMA) following re-examination of its original negative opinion adopted in June 2026. An eight-member ad hoc expert group (.
Omeros Corporation Receives CHMP Negative Opinion Following Re-Examination of European Marketing Authorization Application for Narsoplimab in TA-TMA
Positive
Benzinga
1 month ago
Omeros Transplant Drug Could Be Bigger than Expected, Says Analyst
Cantor Fitzgerald on Tuesday upgraded Omeros Corp (NASDAQ:OMER), citing a better-than-expected Yartemlea launch.
Omeros Transplant Drug Could Be Bigger than Expected, Says Analyst
Positive
Zacks Investment Research
2 months ago
What Makes Omeros (OMER) a Strong Momentum Stock: Buy Now?
Does Omeros (OMER) have what it takes to be a top stock pick for momentum investors? Let's find out.
What Makes Omeros (OMER) a Strong Momentum Stock: Buy Now?
Positive
Zacks Investment Research
2 months ago
Omeros (OMER) Just Flashed Golden Cross Signal: Do You Buy?
Omeros Corporation (OMER) is looking like an interesting pick from a technical perspective, as the company reached a key level of support. Recently, OMER's 50-day simple moving average crossed above its 200-day simple moving average, known as a "golden cross.
Omeros (OMER) Just Flashed Golden Cross Signal: Do You Buy?
Positive
Investors Business Daily
2 months ago
This Biotech Stock Just Gapped Up To A Five-Year High; Here's Why
Omeros stock rocketed to a five-year high Thursday on blowout second-quarter results for its new treatment for transplant complications.
This Biotech Stock Just Gapped Up To A Five-Year High; Here's Why
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