17.17
price down icon1.66%   -0.29
pre-market  Pre-market:  17.17  
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Omeros Corp stock is traded at $17.17, with a volume of 1.66M. It is down -1.66% in the last 24 hours and down -0.12% over the past month. 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.
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Previous Close:
$17.46
Open:
$17.26
24h Volume:
1.66M
Relative Volume:
0.83
Market Cap:
$1.24B
Revenue:
-
Net Income/Loss:
$84.01M
P/E Ratio:
20.06
EPS:
0.856
Net Cash Flow:
$-101.16M
1W Performance:
-10.20%
1M Performance:
-0.12%
6M Performance:
+53.44%
1Y Performance:
+319.80%
1-Day Range:
Value
$16.50
$17.40
1-Week Range:
Value
$16.50
$19.55
52-Week Range:
Value
$3.94
$19.65

Omeros Corp Stock (OMER) Company Profile

Name
Name
Omeros Corp
Name
Phone
206-676-5000
Name
Address
201 ELLIOTT AVENUE WEST, SEATTLE, WA
Name
Employee
175
Name
Twitter
@OmerosCorp
Name
Next Earnings Date
2026-08-12
Name
Latest SEC Filings
Name
OMER's Discussions on Twitter

Compare OMER vs VRTX, REGN, ARGX, MRNA, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
OMER icon
OMER
Omeros Corp
17.17 1.32B 0 84.01M -101.16M 0.856
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
514.63 130.64B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
774.11 80.46B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
979.76 61.58B 4.16B 1.29B 734.26M 19.58
MRNA icon
MRNA
Moderna Inc
143.77 57.48B 2.23B -3.19B -1.60B -8.1462
RVMD icon
RVMD
Revolution Medicines Inc
204.86 43.68B 742.00K -1.37B -1.07B -7.0731

Omeros Corp 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 Corp Stock (OMER) Latest News

pulisher
Sep 09, 2026

OMER Stock Surges 5% After Hours On Novo Nordisk Deal Windfall And Drug Launch Optimism - Stocktwits

Sep 09, 2026
pulisher
Sep 05, 2026

Omeros Stock Price Forecast. Should You Buy OMER? - StockInvest.us

Sep 05, 2026
pulisher
Sep 01, 2026

Omeros Corp VP and General Counsel Peter B. Cancelmo Executes Stock Option Exercises and Sells Shares - Kalkine Media

Sep 01, 2026
pulisher
Sep 01, 2026

Omeros Insider Sold Shares Worth $929,668, According to a Recent SEC Filing - marketscreener.com

Sep 01, 2026
pulisher
Sep 01, 2026

Omeros VP, finance & CAO David Borges sells $206,804 in shares By Investing.com - Investing.com South Africa

Sep 01, 2026
pulisher
Sep 01, 2026

Omeros VP, finance & CAO David Borges sells $206,804 in shares - Investing.com Nigeria

Sep 01, 2026
pulisher
Aug 28, 2026

What Makes Omeros (OMER) a Strong Momentum Stock: Buy Now? - Yahoo Finance

Aug 28, 2026
pulisher
Aug 26, 2026

Omeros VP of finance David Borges sells $206,804 in shares By Investing.com - Investing.com Nigeria

Aug 26, 2026
pulisher
Aug 25, 2026

Omeros VP of finance David Borges sells $206,804 in shares - investing.com

Aug 25, 2026
pulisher
Aug 21, 2026

Omeros Corp (OMER) Director Thomas Cable Sells 15,000 Shares - GuruFocus

Aug 21, 2026
pulisher
Aug 21, 2026

Omeros director Thomas Cable sells $276,772 in company stock - Investing.com

Aug 21, 2026
pulisher
Aug 21, 2026

Omeros director Thomas Cable sells $276,772 in company stock By Investing.com - Investing.com Canada

Aug 21, 2026
pulisher
Aug 21, 2026

Omeros (NASDAQ:OMER) Director Thomas Cable Sells 15,000 Shares - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

Omeros (NASDAQ: OMER) officer to sell 10,906 shares - Stock Titan

Aug 21, 2026
pulisher
Aug 20, 2026

Omeros Corp (OMER) director lines up fresh stock sale - Stock Titan

Aug 20, 2026
pulisher
Aug 20, 2026

Pomerantz investigates Omeros after CHMP negative opinion - scanx.trade

Aug 20, 2026
pulisher
Aug 19, 2026

Omeros (NASDAQ:OMER) Sets New 52-Week HighStill a Buy? - MarketBeat

Aug 19, 2026
pulisher
Aug 19, 2026

Omeros stock hits 52-week high at 18.16 USD - Investing.com

Aug 19, 2026
pulisher
Aug 19, 2026

Omeros stock hits 52-week high at 18.16 USD By Investing.com - Investing.com Canada

Aug 19, 2026
pulisher
Aug 19, 2026

Omeros Corp (OMER) Technical Analysis: Support, Resistance, Indicators & Moving Averages - TradingKey

Aug 19, 2026
pulisher
Aug 18, 2026

Omeros Corp (HAM:3O8) Stock Price, Trades & News - GuruFocus

Aug 18, 2026
pulisher
Aug 18, 2026

Omeros VP, finance & CAO Borges sells $84,750 in shares - Investing.com India

Aug 18, 2026
pulisher
Aug 18, 2026

Omeros VP, finance & CAO Borges sells $84,750 in shares By Investing.com - Investing.com South Africa

Aug 18, 2026
pulisher
Aug 17, 2026

Omeros (NASDAQ:OMER) CAO David Borges Sells 5,000 Shares of Stock - MarketBeat

Aug 17, 2026
pulisher
Aug 17, 2026

HC Wainwright Comments on Omeros' Q3 Earnings (NASDAQ:OMER) - MarketBeat

Aug 17, 2026
pulisher
Aug 15, 2026

OMER Stock On Track For Best Week In Nearly 4 Months After Receiving Permanent Reimbursement Code For Treatment - Stocktwits

Aug 15, 2026
pulisher
Aug 15, 2026

Teleconferência de Resultados do 2T26 da Omeros (OMER): Vendas do YARTEMLEA Atingem US$ 28,5 Milhões - TradingKey

Aug 15, 2026
pulisher
Aug 15, 2026

Wall Street Zen Upgrades Omeros (NASDAQ:OMER) to Buy - MarketBeat

Aug 15, 2026
pulisher
Aug 15, 2026

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

Aug 15, 2026
pulisher
Aug 14, 2026

Omeros (OMER) Turns Profitable As Investors Ask If The Repricing Has Gone Too Far - Yahoo Finance

Aug 14, 2026
pulisher
Aug 14, 2026

Omeros Corporation Releases Q2 2026 Earnings Call Summary as Pipeline Development Remains in Focus - Vinanet

Aug 14, 2026
pulisher
Aug 14, 2026

What is HC Wainwright's Forecast for Omeros FY2029 Earnings? - MarketBeat

Aug 14, 2026
pulisher
Aug 14, 2026

Omeros Corporation $OMER Shares Purchased by Dimensional Fund Advisors LP - MarketBeat

Aug 14, 2026
pulisher
Aug 14, 2026

OMER SWOT Analysis: Key Insights from the 10-Q Filing - GuruFocus

Aug 14, 2026
pulisher
Aug 13, 2026

OMEROS CORP SEC Filing (Aug 13, 2026) - Stock Titan

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Corporation Announces Appointment of Joseph Schocken as Director and Audit Committee Member, Effective August 12, 2026 - marketscreener.com

Aug 13, 2026
pulisher
Aug 13, 2026

12 Health Care Stocks Moving In Thursday's Intraday Session - Benzinga

Aug 13, 2026
pulisher
Aug 13, 2026

Biotech Stocks To ConsiderAugust 13th - MarketBeat

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Sees Unusually Large Options Volume (NASDAQ:OMER) - MarketBeat

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros (NASDAQ:OMER) Sets New 52-Week High Following Better-Than-Expected Earnings - MarketBeat

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Corp (OMER) Shares Surge 29% on Q2 Beat; Price-to-Sales V - GuruFocus

Aug 13, 2026
pulisher
Aug 13, 2026

Accelerant Holdings, CorMedix, Birkenstock And Other Big Stocks Moving Higher On Thursday - Benzinga

Aug 13, 2026
pulisher
Aug 13, 2026

Why is Omeros stock surging today? By Investing.com - Investing.com South Africa

Aug 13, 2026
pulisher
Aug 13, 2026

Why is Omeros stock surging today? - Investing.com

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Corp (OMER) Shares Surge 15% on Q2 Boost; Price-to-Sales Valuation Raises Growth Expectations - GuruFocus

Aug 13, 2026
pulisher
Aug 13, 2026

Why Omeros Shares Are Trading Higher By Over 17%; Here Are 20 Stocks Moving Premarket - Benzinga

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Q2 2026 Earnings Call Transcript - MarketBeat

Aug 13, 2026
pulisher
Aug 13, 2026

Portnoy Law Firm investigates Omeros after CHMP negative opinion - scanx.trade

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Corp (OMER) Posts $28.5M Net Sales for YARTEMLEA's Debut Quarter Amid Valuation Concerns - GuruFocus

Aug 13, 2026
pulisher
Aug 13, 2026

Omeros Corp Swings To Q2 Profit On YARTEMLEA Momentum; Plans ARDS, TA-TMA Studies; Shares Rise - RTTNews

Aug 13, 2026
pulisher
Aug 12, 2026

Omeros Corporation Q2 2026 Earnings Call Summary - Yahoo Finance

Aug 12, 2026

Omeros Corp 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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Omeros Corp Stock (OMER) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Cancelmo Peter B
VP, General Counsel
Aug 31 '26
Option Exercise
2.94
25,000
73,500
25,200
Cancelmo Peter B
VP, General Counsel
Aug 28 '26
Sale
18.65
25,000
466,128
200
Cancelmo Peter B
VP, General Counsel
Aug 31 '26
Sale
18.54
25,000
463,540
200
$58.47
price down icon 0.98%
$119.92
price down icon 4.29%
$39.50
price down icon 3.71%
$238.27
price down icon 4.69%
ONC ONC
$346.50
price down icon 2.07%
$204.86
price down icon 0.12%
Cap:     |  Volume (24h):