10.44
price up icon2.55%   0.26
after-market After Hours: 10.67 0.23 +2.20%
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Omeros Corporation stock is traded at $10.44, with a volume of 631.67K. It is up +2.55% in the last 24 hours and down -8.26% over the past month. Omeros Corp is a United States-based clinical-stage biopharmaceutical company engaged in discovering, developing, and commercializing small-molecule and protein therapeutics for large-market as well as orphan indications targeting immunologic disorders including complement-mediated diseases, cancers, and addictive and compulsive disorders. The drug candidate in the pipeline of complement-targeted therapeutics is narsoplimab (OMS721), a proprietary, patented human monoclonal antibody targeting mannan-binding lectin-associated serine protease 2, the key activator of the lectin pathway of complement. Clinical development of narsoplimab is currently focused on hematopoietic stem cell transplant-associated thrombotic microangiopathy and immunoglobulin nephropathy.
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Previous Close:
$10.18
Open:
$10.36
24h Volume:
631.67K
Relative Volume:
0.30
Market Cap:
$740.20M
Revenue:
-
Net Income/Loss:
$-121.24M
P/E Ratio:
-5.1742
EPS:
-2.0177
Net Cash Flow:
$-105.32M
1W Performance:
-4.66%
1M Performance:
-8.26%
6M Performance:
+138.36%
1Y Performance:
+13.97%
1-Day Range:
Value
$10.29
$10.73
1-Week Range:
Value
$10.04
$11.44
52-Week Range:
Value
$2.95
$17.65

Omeros Corporation Stock (OMER) Company Profile

Name
Name
Omeros Corporation
Name
Phone
206-676-5000
Name
Address
201 ELLIOTT AVENUE WEST, SEATTLE, WA
Name
Employee
202
Name
Twitter
@OmerosCorp
Name
Next Earnings Date
2026-03-30
Name
Latest SEC Filings
Name
OMER's Discussions on Twitter

Compare OMER vs VRTX, REGN, ALNY, ARGX, INSM

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
OMER icon
OMER
Omeros Corporation
10.44 721.77M 0 -121.24M -105.32M -2.0177
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
454.97 113.96B 12.07B 3.95B 3.19B 15.33
REGN icon
REGN
Regeneron Pharmaceuticals Inc
749.47 78.41B 14.34B 4.50B 3.77B 41.56
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
328.70 40.85B 3.71B 313.75M 465.38M 2.2571
ARGX icon
ARGX
Argen X Se Adr
697.05 42.05B 4.16B 1.29B 734.26M 19.58
INSM icon
INSM
Insmed Inc
148.31 29.99B 606.42M -1.28B -997.58M -6.403

Omeros Corporation Stock (OMER) Upgrades & Downgrades

Date Action Analyst Rating Change
Jun-10-25 Initiated H.C. Wainwright Buy
Dec-23-24 Initiated D. Boral Capital Buy
Nov-14-24 Initiated Rodman & Renshaw Buy
Dec-08-22 Downgrade UBS Buy → Neutral
Nov-08-22 Downgrade BofA Securities Neutral → Underperform
Jun-08-22 Downgrade BofA Securities Buy → Neutral
Oct-08-21 Downgrade JP Morgan Neutral → Underweight
Oct-01-21 Downgrade Maxim Group Buy → Hold
Oct-01-21 Downgrade Wedbush Neutral → Underperform
Sep-27-21 Initiated JP Morgan Neutral
Feb-01-21 Initiated UBS Buy
Oct-20-20 Initiated BofA Securities Buy
Aug-21-20 Reiterated H.C. Wainwright Buy
Aug-14-20 Reiterated Maxim Group Buy
May-06-19 Initiated Cantor Fitzgerald Overweight
Jul-12-18 Initiated Seaport Global Securities Buy
Mar-23-18 Downgrade Wedbush Outperform → Neutral
Mar-05-18 Downgrade Needham Buy → Hold
Nov-08-17 Initiated H.C. Wainwright Buy
May-11-17 Downgrade Cantor Fitzgerald Buy → Neutral
Mar-17-17 Reiterated Maxim Group Buy
Mar-17-17 Reiterated Needham Buy
Nov-16-16 Reiterated Wedbush Outperform
Nov-10-16 Reiterated Needham Buy
Aug-10-16 Reiterated Maxim Group Buy
Jun-03-16 Initiated Cantor Fitzgerald Buy
Mar-02-16 Reiterated Needham Buy
Feb-29-16 Reiterated Wedbush Outperform
Nov-11-15 Reiterated Needham Buy
Aug-18-15 Reiterated WBB Securities Strong Buy
Aug-10-15 Initiated ROTH Capital Buy
View All

Omeros Corporation Stock (OMER) Latest News

pulisher
Mar 23, 2026

Omeros (OMER) Projected to Post Earnings on Monday - MarketBeat

Mar 23, 2026
pulisher
Mar 21, 2026

Omeros Announces Upcoming Presentation at EBMT 2026 Highlighting Advances in TA-TMA Treatment - PharmiWeb.com

Mar 21, 2026
pulisher
Mar 19, 2026

GeekWire Awards: Billion-dollar deals, rare IPO, pharma pact, and mega-round vie for Deal of the Year - GeekWire

Mar 19, 2026
pulisher
Mar 18, 2026

Omeros Corporation (NASDAQ:OMER) Given Consensus Recommendation of "Moderate Buy" by Brokerages - MarketBeat

Mar 18, 2026
pulisher
Mar 17, 2026

OMER SEC FilingsOmeros 10-K, 10-Q, 8-K Forms - Stock Titan

Mar 17, 2026
pulisher
Mar 17, 2026

Is Omeros Corporation gaining market share2026 Valuation Update & Weekly High Potential Stock Alerts - baoquankhu1.vn

Mar 17, 2026
pulisher
Mar 17, 2026

OMER Stock Price, Quote & Chart | OMEROS CORP (NASDAQ:OMER) - ChartMill

Mar 17, 2026
pulisher
Mar 14, 2026

Omeros (NASDAQ:OMER) Stock Crosses Above Two Hundred Day Moving AverageHere's What Happened - MarketBeat

Mar 14, 2026
pulisher
Mar 07, 2026

Omeros Corp Sells Immune-System Drug To Novo Nordisk In $2.1B Deal — Retail Shifts Focus To Narsoplimab FDA Call - MSN

Mar 07, 2026
pulisher
Mar 06, 2026

Omeros rises after pricing ~$22M stock offering - MSN

Mar 06, 2026
pulisher
Mar 05, 2026

Omeros Corp Stock Soars A Whopping 136% Pre-Market After Novo Nordisk Agrees To Buy Its Drug Candidate For Blood Disorder - Stocktwits

Mar 05, 2026
pulisher
Mar 05, 2026

Omeros Stock Garners High Retail Attention Ahead Of FDA Verdict For Life-Saving Drug - Stocktwits

Mar 05, 2026
pulisher
Mar 02, 2026

Omeros: Yartemlea Can Own The Label And Still Split The Market (NASDAQ:OMER) - Seeking Alpha

Mar 02, 2026
pulisher
Feb 24, 2026

Omeros (OMER) Expected to Announce Earnings on Tuesday - MarketBeat

Feb 24, 2026
pulisher
Feb 20, 2026

Omeros (NASDAQ: OMER) CEO exercises 400,000 options with tax share withholding - Stock Titan

Feb 20, 2026
pulisher
Feb 17, 2026

Omeros Announces Successful Primate Study in OncotoX-AML™ Drug Program - PharmiWeb.com

Feb 17, 2026
pulisher
Feb 17, 2026

Omeros Corporation Announces Successful Primate Study in OncotoX-AML Drug Program - marketscreener.com

Feb 17, 2026
pulisher
Feb 17, 2026

Omeros (OMER) Shows Promising Results in Early Cancer Treatment Study - GuruFocus

Feb 17, 2026
pulisher
Feb 15, 2026

Why Omeros Corporation stock could be next big winnerJuly 2025 Setups & Smart Swing Trading Alerts - mfd.ru

Feb 15, 2026
pulisher
Feb 13, 2026

Is Omeros Corporation stock positioned well for digital economyJuly 2025 PreEarnings & Weekly Stock Breakout Alerts - mfd.ru

Feb 13, 2026
pulisher
Feb 11, 2026

What risks investors should watch in Omeros Corporation stockWeekly Investment Report & Long-Term Safe Investment Plans - mfd.ru

Feb 11, 2026
pulisher
Feb 10, 2026

Omeros stock jumps premarket after FDA approves first drug for rare transplant complication — retail sees big upside - MSN

Feb 10, 2026
pulisher
Feb 09, 2026

Omeros Achieves Commercial Milestone with First Approved Drug Launch - AD HOC NEWS

Feb 09, 2026
pulisher
Feb 09, 2026

Macro Review: What is the long term forecast for Omeros Corporation stockStock Surge & Community Shared Stock Ideas - baoquankhu1.vn

Feb 09, 2026
pulisher
Feb 04, 2026

Omeros Corporation's (NASDAQ:OMER) market cap dropped US$60m last week; individual investors who hold 50% were hit as were institutions - Yahoo Finance

Feb 04, 2026
pulisher
Feb 02, 2026

Omeros wins FDA nod for transplant therapy - MSN

Feb 02, 2026
pulisher
Feb 02, 2026

Omeros Corporation (NASDAQ:OMER) Sees Large Growth in Short Interest - MarketBeat

Feb 02, 2026
pulisher
Feb 02, 2026

EV Market: Is Omeros Corporation gaining market shareTrade Entry Report & Daily Profit Focused Stock Screening - baoquankhu1.vn

Feb 02, 2026
pulisher
Jan 30, 2026

Vanguard discloses 4.0M-share Omeros Corp (NASDAQ: OMER) position - Stock Titan

Jan 30, 2026
pulisher
Jan 29, 2026

Omeros higher after first commercial sales of transplant therapy - MSN

Jan 29, 2026
pulisher
Jan 28, 2026

Omeros begins commercial distribution of TA-TMA treatment Yartemlea By Investing.com - Investing.com Australia

Jan 28, 2026
pulisher
Jan 27, 2026

Big Money Moves: What is the implied volatility of Air Products and Chemicals IncWeekly Market Outlook & Real-Time Market Sentiment Reports - baoquankhu1.vn

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros Shares Rise After Starting Commercial Sales of Stem Cell Complication Drug Yartemlea - marketscreener.com

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros (OMER) Rises on First Shipments of Yartemlea - GuruFocus

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros wins first commercial sales of Yartemlea (OMER:NASDAQ) - Seeking Alpha

Jan 27, 2026
pulisher
Jan 27, 2026

OMER: D. Boral Capital Maintains Buy Rating with $36 Price Targe - GuruFocus

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros (NASDAQ:OMER) Given "Buy" Rating at D. Boral Capital - MarketBeat

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros stock rises as first commercial YARTEMLEA shipments begin By Investing.com - Investing.com Canada

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros stock rises as first commercial YARTEMLEA shipments begin - Investing.com

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros Begins Commercial Sales of Stem Cell Complication Drug Yartemlea - marketscreener.com

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros (OMER) Begins Commercial Distribution of Yartemlea for TA-TMA - GuruFocus

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros announces first commercial sales of Yartemlea - TipRanks

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros begins commercial distribution of TA-TMA treatment Yartemlea - Investing.com

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros Announces First Commercial Sales of YARTEMLEA® - Yahoo Finance

Jan 27, 2026
pulisher
Jan 27, 2026

Omeros Corporation (NASDAQ:OMER) Receives Consensus Rating of "Moderate Buy" from Brokerages - MarketBeat

Jan 27, 2026
pulisher
Jan 26, 2026

A Deal With Novo Nordisk Sent This Stock 181% Higher Overnight. Is It a Buy Now? - AOL.com

Jan 26, 2026

Omeros Corporation Stock (OMER) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$27.36
price up icon 1.82%
$47.03
price up icon 3.20%
$53.54
price up icon 4.29%
$88.77
price up icon 2.26%
ONC ONC
$283.45
price up icon 2.81%
$148.31
price up icon 6.59%
Cap:     |  Volume (24h):