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Omeros Corp
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12.250USD
-1.030-7.76%
Close 05/15, 16:00（ET）Quotes delayed by 15 min
886.60MMarket Cap
9.40P/E TTM
More Details of Omeros Corp Company
Omeros Corporation is a biopharmaceutical company. The Company is focused on discovering, developing and commercializing small-molecule and protein therapeutics for large-market and orphan indications targeting immunologic disorders, including complement-mediated diseases, cancers, and addictive and compulsive disorders. Its lead MASP-2 inhibitor, narsoplimab, targets the lectin pathway of complement and is the subject of a biologics license application pending before FDA for the treatment of hematopoietic stem cell transplant-associated thrombotic microangiopathy. Its long-acting MASP-2 inhibitor, OMS1029, is in phase I single- and multiple-ascending-dose clinical studies. OMS906, its inhibitor of MASP-3, the key activator of the alternative pathway of complement, is advancing in clinical programs for paroxysmal nocturnal hemoglobinuria and complement 3 glomerulopathy. Its lead phosphodiesterase 7 inhibitor OMS527 is in clinical development for the treatment of cocaine use disorders.
Omeros Corp Info
Ticker SymbolOMER
Company nameOmeros Corp
IPO dateOct 08, 2009
CEODemopulos (Gregory A)
Number of employees202
Security typeOrdinary Share
Fiscal year-endOct 08
Address201 Elliott Avenue West
CitySEATTLE
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code98119
Phone12066765000
Websitehttps://www.omeros.com/
Ticker SymbolOMER
IPO dateOct 08, 2009
CEODemopulos (Gregory A)
Company Executives of Omeros Corp
Name
Name/Position
Position
Shareholding
Change
Dr. Peter A. Demopulos, M.D.
Dr. Peter A. Demopulos, M.D.
Director
Director
972.90K
+61.67%
Dr. Leroy E. Hood, M.D., Ph.D.
Dr. Leroy E. Hood, M.D., Ph.D.
Independent Director
Independent Director
74.39K
--
Mr. Thomas J. Cable
Mr. Thomas J. Cable
Lead Independent Director
Lead Independent Director
35.07K
--
Mr. Arnold C. Hanish, CPA
Mr. Arnold C. Hanish, CPA
Independent Director
Independent Director
12.40K
--
DR. Gregory A. Demopulos, M.D.
DR. Gregory A. Demopulos, M.D.
Chairman of the Board, President, Chief Executive Officer
Chairman of the Board, President, Chief Executive Officer
--
--
Dr. Rajiv Shah, M.D.
Dr. Rajiv Shah, M.D.
Independent Director
Independent Director
--
--
Dr. Thomas F. Bumol, Ph.D.
Dr. Thomas F. Bumol, Ph.D.
Independent Director
Independent Director
--
--
Dr. George A. Gaitanaris, M.D., Ph.D.
Dr. George A. Gaitanaris, M.D., Ph.D.
Vice President - Science, Chief Scientific Officer
Vice President - Science, Chief Scientific Officer
--
--
Dr. Catherine A. Melfi, Ph.D.
Dr. Catherine A. Melfi, Ph.D.
Vice President - Regulatory Affairs and Quality Systems, Chief Regulatory Officer
Vice President - Regulatory Affairs and Quality Systems, Chief Regulatory Officer
--
--
Dr. J. Steven Whitaker, M.D., J.D.
Dr. J. Steven Whitaker, M.D., J.D.
Vice President - Clinical Development
Vice President - Clinical Development
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Dr. Peter A. Demopulos, M.D.
Dr. Peter A. Demopulos, M.D.
Director
Director
972.90K
+61.67%
Dr. Leroy E. Hood, M.D., Ph.D.
Dr. Leroy E. Hood, M.D., Ph.D.
Independent Director
Independent Director
74.39K
--
Mr. Thomas J. Cable
Mr. Thomas J. Cable
Lead Independent Director
Lead Independent Director
35.07K
--
Mr. Arnold C. Hanish, CPA
Mr. Arnold C. Hanish, CPA
Independent Director
Independent Director
12.40K
--
DR. Gregory A. Demopulos, M.D.
DR. Gregory A. Demopulos, M.D.
Chairman of the Board, President, Chief Executive Officer
Chairman of the Board, President, Chief Executive Officer
--
--
Dr. Rajiv Shah, M.D.
Dr. Rajiv Shah, M.D.
Independent Director
Independent Director
--
--
Revenue Breakdown
Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.35%
Ingalls & Snyder LLC (Asset Management)
4.78%
Vanguard Capital Management, LLC
4.13%
UBS Financial Services, Inc.
3.23%
Stifel, Nicolaus & Company, Incorporated
2.54%
Other
78.97%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.35%
Ingalls & Snyder LLC (Asset Management)
4.78%
Vanguard Capital Management, LLC
4.13%
UBS Financial Services, Inc.
3.23%
Stifel, Nicolaus & Company, Incorporated
2.54%
Other
78.97%
Shareholder Types
Shareholders
Proportion
Investment Advisor
23.61%
Investment Advisor/Hedge Fund
15.31%
Research Firm
3.60%
Individual Investor
3.57%
Hedge Fund
3.34%
Bank and Trust
1.14%
Insurance Company
0.12%
Pension Fund
0.07%
Other
49.25%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
290
38.03M
52.70%
+1.80M
2025Q4
255
35.29M
49.78%
+4.77M
2025Q3
243
29.83M
43.83%
+1.23M
2025Q2
255
30.16M
44.94%
-422.08K
2025Q1
263
30.38M
51.89%
-522.27K
2024Q4
256
29.32M
50.59%
-441.66K
2024Q3
242
27.89M
48.13%
-1.92M
2024Q2
248
27.65M
47.72%
-3.10M
2024Q1
269
28.11M
48.16%
-3.03M
2023Q4
275
27.52M
43.79%
-6.21M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
4.58M
6.47%
+488.14K
+11.92%
Dec 31, 2025
Ingalls & Snyder LLC (Asset Management)
3.45M
4.86%
-657.90K
-16.02%
Dec 31, 2025
UBS Financial Services, Inc.
2.22M
3.13%
+1.52M
+216.53%
Dec 31, 2025
Stifel, Nicolaus & Company, Incorporated
1.81M
2.55%
-2.51K
-0.14%
Dec 31, 2025
Geode Capital Management, L.L.C.
1.63M
2.3%
+95.98K
+6.25%
Dec 31, 2025
State Street Investment Management (US)
1.57M
2.22%
+333.80K
+26.93%
Dec 31, 2025
Demopulos (Gregory A. M.D.)
1.47M
2.07%
+42.32K
+2.97%
Feb 18, 2026
Broadfin Holdings, LLC
905.63K
1.28%
+905.63K
--
Dec 31, 2025
View more
Related ETFs
Updated: Tue, Dec 2
Updated: Tue, Dec 2
Name
Proportion
Invesco NASDAQ Future Gen 200 ETF
0.94%
iShares Micro-Cap ETF
0.09%
Invesco Nasdaq Biotechnology ETF
0.05%
ProShares Ultra Nasdaq Biotechnology
0.05%
ProShares UltraPro Russell2000
0.02%
Invesco RAFI US 1500 Small-Mid ETF
0.02%
Proshares Ultra Russell 2000
0.02%
ProShares Hedge Replication ETF
0.02%
iShares Russell 2000 Growth ETF
0.02%
Global X Russell 2000 ETF
0.02%
View more
Invesco NASDAQ Future Gen 200 ETF
Proportion0.94%
iShares Micro-Cap ETF
Proportion0.09%
Invesco Nasdaq Biotechnology ETF
Proportion0.05%
ProShares Ultra Nasdaq Biotechnology
Proportion0.05%
ProShares UltraPro Russell2000
Proportion0.02%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.02%
Proshares Ultra Russell 2000
Proportion0.02%
ProShares Hedge Replication ETF
Proportion0.02%
iShares Russell 2000 Growth ETF
Proportion0.02%
Global X Russell 2000 ETF
Proportion0.02%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Splits
Date
Ex-dividend Date
Type
Ratio
No Data
Date
Ex-dividend Date
Type
Ratio
No Data
