OMER Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 12.30%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $0.00

Omeros Insider Trading History Chart

Omeros Share Price & Price History

^$8.22

▼ -0.25 (-2.95%)

As of 03/31/2025 05:00 PM ET

Days: 30 | 90 | 365

Omeros Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/17/2023	Gregory A. Demopulos	CEO	Buy	15,000	$1.68	$25,200.00	123,945
11/15/2023	Peter A Md Demopulos	Director	Buy	10,000	$1.53	$15,300.00	208,516
5/22/2023	Arnold C. Hanish	Director	Sell	5,000	$6.46	$32,300.00	35,067

SEC Filings (Institutional Ownership Changes) for Omeros (NASDAQ:OMER)

48.79% of Omeros stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Omeros Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/17/2025	Squarepoint Ops LLC	32,009	$0.32M	0.0%	-32.4%	0.055%
2/17/2025	Two Sigma Advisers LP	38,800	$0.38M	0.0%	-15.7%	0.067%
2/17/2025	Two Sigma Investments LP	162,991	$1.61M	0.0%	+8.8%	0.281%
2/17/2025	ProShare Advisors LLC	18,496	$0.18M	0.0%	+75.0%	0.032%
2/17/2025	Nomura Holdings Inc.	747,281	$7.38M	0.0%	+136.2%	1.290%
2/17/2025	Nuveen Asset Management LLC	102,921	$1.02M	0.0%	-8.4%	0.178%
2/17/2025	Millennium Management LLC	85,671	$0.85M	0.0%	+46.2%	0.148%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31,831	$0.31M	0.0%	+3.6%	0.055%
2/17/2025	Jacobs Levy Equity Management Inc.	104,538	$1.03M	0.0%	N/A	0.180%
2/17/2025	Deutsche Bank AG	40,046	$0.40M	0.0%	+38.2%	0.069%
2/17/2025	Bridgeway Capital Management LLC	155,100	$1.53M	0.0%	-3.8%	0.268%
2/17/2025	BNP Paribas Financial Markets	7,452	$74K	0.0%	-39.8%	0.013%
2/17/2025	Ameriprise Financial Inc.	120,493	$1.19M	0.0%	+2.0%	0.208%
2/17/2025	Ancora Advisors LLC	85,800	$0.85M	0.0%	+1,036.4%	0.148%
2/14/2025	Comerica Bank	35,000	$0.35M	0.0%	+16.7%	0.060%
2/14/2025	The Manufacturers Life Insurance Company	20,479	$0.20M	0.0%	-5.4%	0.035%
2/14/2025	Susquehanna Fundamental Investments LLC	150,557	$1.49M	0.0%	N/A	0.260%
2/14/2025	Virtus ETF Advisers LLC	8,373	$83K	0.0%	N/A	0.014%
2/14/2025	Voya Investment Management LLC	17,233	$0.17M	0.0%	-9.4%	0.030%
2/14/2025	Price T Rowe Associates Inc. MD	39,582	$0.39M	0.0%	+12.5%	0.068%
2/14/2025	Stifel Financial Corp	1,581,205	$15.62M	0.0%	-17.0%	2.729%
2/14/2025	Tower Research Capital LLC TRC	4,467	$44K	0.0%	+79.0%	0.008%
2/13/2025	Marshall Wace LLP	44,205	$0.44M	0.0%	N/A	0.076%
2/13/2025	XTX Topco Ltd	20,846	$0.21M	0.0%	N/A	0.036%
2/13/2025	Barclays PLC	103,726	$1.03M	0.0%	+9.6%	0.179%
2/13/2025	Raymond James Financial Inc.	12,549	$0.12M	0.0%	N/A	0.022%
2/13/2025	Invesco Ltd.	32,348	$0.32M	0.0%	-6.0%	0.056%
2/13/2025	Cerity Partners LLC	28,989	$0.29M	0.0%	+9.9%	0.050%
2/12/2025	ExodusPoint Capital Management LP	15,495	$0.15M	0.0%	-65.3%	0.027%
2/12/2025	Franklin Resources Inc.	13,186	$0.13M	0.0%	N/A	0.023%
2/12/2025	Alliancebernstein L.P.	50,990	$0.50M	0.0%	+153.4%	0.088%
2/12/2025	JPMorgan Chase & Co.	32,134	$0.32M	0.0%	+31.3%	0.055%
2/11/2025	Corebridge Financial Inc.	27,808	$0.28M	0.0%	-7.0%	0.048%
2/11/2025	Vanguard Group Inc.	3,141,657	$31.04M	0.0%	-3.6%	5.421%
2/11/2025	Quantbot Technologies LP	4,671	$46K	0.0%	N/A	0.008%
2/11/2025	Mindset Wealth Management LLC	63,000	$0.62M	0.2%	+4.8%	0.109%
2/10/2025	Corient Private Wealth LLC	733,449	$7.25M	0.0%	-6.7%	1.266%
2/10/2025	Picton Mahoney Asset Management	5,040	$50K	0.0%	+692.5%	0.009%
2/10/2025	Connor Clark & Lunn Investment Management Ltd.	113,326	$1.12M	0.0%	N/A	0.196%
2/10/2025	Truvestments Capital LLC	3,102	$31K	0.0%	+116.5%	0.005%
2/7/2025	AlphaQuest LLC	28,894	$0.29M	0.0%	N/A	0.050%
2/6/2025	Raymond James Financial Inc.	12,549	$0.12M	0.0%	N/A	0.022%
2/6/2025	Charles Schwab Investment Management Inc.	475,526	$4.70M	0.0%	-2.0%	0.821%
2/5/2025	US Bancorp DE	8,205	$81K	0.0%	N/A	0.014%
2/4/2025	Bank of New York Mellon Corp	147,741	$1.46M	0.0%	-3.2%	0.255%
1/31/2025	New York State Common Retirement Fund	17,313	$0.17M	0.0%	+245.4%	0.030%
1/30/2025	Blue Trust Inc.	3,090	$31K	0.0%	-38.2%	0.005%
1/24/2025	China Universal Asset Management Co. Ltd.	12,287	$0.12M	0.0%	N/A	0.021%
1/23/2025	Stordahl Capital Management Inc.	40,000	$0.40M	0.1%	N/A	0.069%
1/21/2025	Brighton Jones LLC	27,589	$0.27M	0.0%	-18.0%	0.048%
1/17/2025	Seros Financial LLC	16,115	$0.16M	0.1%	N/A	0.028%
1/17/2025	SG Americas Securities LLC	24,361	$0.24M	0.0%	+21.2%	0.042%
11/19/2024	Barclays PLC	94,640	$0.38M	0.0%	+121.3%	0.163%
11/16/2024	Geode Capital Management LLC	1,339,251	$5.32M	0.0%	+0.5%	2.311%
11/15/2024	Barclays PLC	94,640	$0.38M	0.0%	+121.3%	0.163%
11/15/2024	MML Investors Services LLC	18,600	$74K	0.0%	+19.2%	0.032%
11/15/2024	Jane Street Group LLC	58,277	$0.23M	0.0%	+15.9%	0.101%
11/15/2024	Wellington Management Group LLP	76,945	$0.31M	0.0%	N/A	0.133%
11/15/2024	State Street Corp	1,226,053	$4.87M	0.0%	+0.3%	2.116%
11/15/2024	Stifel Financial Corp	1,904,207	$7.56M	0.0%	+0.1%	3.286%
11/15/2024	HighTower Advisors LLC	59,339	$0.24M	0.0%	+7.2%	0.102%
11/13/2024	Townsquare Capital LLC	12,383	$49K	0.0%	-34.3%	0.021%
11/13/2024	BNP Paribas Financial Markets	12,388	$49K	0.0%	+130.6%	0.021%
11/12/2024	Charles Schwab Investment Management Inc.	485,035	$1.93M	0.0%	+4.0%	0.837%
11/6/2024	Oppenheimer & Co. Inc.	18,602	$74K	0.0%	-70.2%	0.032%
10/16/2024	SPC Financial Inc.	19,400	$77K	0.0%	N/A	0.033%
10/3/2024	SG Americas Securities LLC	20,104	$80K	0.0%	N/A	0.035%
8/19/2024	B. Riley Wealth Advisors Inc.	11,305	$46K	0.0%	-26.5%	0.020%
8/15/2024	The Manufacturers Life Insurance Company	22,433	$91K	0.0%	-10.8%	0.039%
8/15/2024	AQR Capital Management LLC	25,800	$0.11M	0.0%	N/A	0.045%
8/12/2024	Hsbc Holdings PLC	10,427	$41K	0.0%	-29.2%	0.018%
8/1/2024	Rhumbline Advisers	111,778	$0.45M	0.0%	+6.1%	0.193%
7/26/2024	Bank of New York Mellon Corp	218,580	$0.89M	0.0%	+16.6%	0.377%
7/25/2024	Cypress Capital Group	35,000	$0.14M	0.0%	+40.0%	0.060%
5/20/2024	Virtu Financial LLC	10,091	$35K	0.0%	-65.3%	0.017%
5/17/2024	Comerica Bank	30,000	$0.10M	0.0%	+20.0%	0.052%
5/10/2024	Vanguard Group Inc.	3,250,284	$11.21M	0.0%	+2.6%	5.610%
5/7/2024	Susquehanna Fundamental Investments LLC	155,957	$0.54M	0.0%	N/A	0.269%
5/7/2024	Oppenheimer & Co. Inc.	24,503	$85K	0.0%	N/A	0.042%
5/7/2024	SG Americas Securities LLC	12,315	$42K	0.0%	-59.5%	0.021%
5/1/2024	BNP Paribas Financial Markets	30,102	$0.10M	0.0%	+75.5%	0.052%
3/27/2024	Nomura Holdings Inc.	383,144	$1.25M	0.0%	-14.0%	0.609%
2/13/2024	Tower Research Capital LLC TRC	8,069	$26K	0.0%	+199.9%	0.013%
2/12/2024	Stifel Financial Corp	1,890,674	$6.18M	0.0%	-6.8%	3.007%
2/9/2024	Hohimer Wealth Management LLC	22,530	$74K	0.0%	-57.1%	0.036%
2/9/2024	Corient Private Wealth LLC	663,663	$2.17M	0.0%	-3.4%	1.056%
2/9/2024	Coldstream Capital Management Inc.	28,130	$92K	0.0%	+42.1%	0.045%
2/6/2024	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	30,000	$98K	0.0%	+200.0%	0.048%
2/5/2024	Brighton Jones LLC	33,516	$0.11M	0.0%	-29.5%	0.053%
1/26/2024	Cerity Partners LLC	21,850	$71K	0.0%	N/A	0.035%
1/24/2024	Rocky Mountain Advisers LLC	26,800	$88K	0.0%	-20.0%	0.043%
1/16/2024	Raymond James & Associates	10,925	$36K	0.0%	-75.4%	0.017%
1/12/2024	SG Americas Securities LLC	30,438	$100K	0.0%	+59.3%	0.048%
11/14/2023	Ancora Advisors LLC	210,023	$0.61M	0.0%	+23.1%	0.334%
11/14/2023	Nomura Holdings Inc.	445,482	$1.30M	0.0%	-28.3%	0.709%
11/13/2023	Stifel Financial Corp	2,027,917	$5.92M	0.0%	-1.4%	3.226%
11/7/2023	Barclays PLC	45,629	$0.13M	0.0%	+51.2%	0.073%
11/1/2023	Jacob Asset Management of New York LLC	55,168	$0.16M	0.2%	-31.2%	0.088%
10/13/2023	SG Americas Securities LLC	19,105	$56K	0.0%	N/A	0.030%
9/21/2023	Barclays PLC	30,173	$0.16M	0.0%	-62.5%	0.048%

Data available starting January 2016

See Full Table

Omeros Corporation, a clinical-stage biopharmaceutical company, discovers, develops, and commercializes small-molecule and protein therapeutics, and orphan indications targeting immunologic diseases, including complement-mediated diseases, cancers, and addictive and compulsive disorders. The company's products under development include Narsoplimab (OMS721/MASP-2) that has completed pivotal trial for hematopoietic stem-cell transplant-associated thrombotic microangiopathy (TA-TMA); that is in Phase III clinical trial for the treatment of immunoglobulin A nephropathy (IgAN); and Phase II clinical trial to treat COVID-19. It also develops OMS1029 that is in phase I clinical trials for long-acting second-generation antibody targeting lectin pathway disorders; OMS906 that has completed phase II clinical trials for Paroxysmal nocturnal hemoglobinuria, complement 3 glomerulopathy, and other alternative pathway disorders; and OMS527 that is in phase I clinical trials for addictions and compulsive disorders, and movement disorders. 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; and Adoptive T-Cell and Chimeric Antigen Receptor (CAR) T-Cell Therapies and Immunomodulators/Immunotoxins/Cancer Vaccines for the treatment of various cancers. Omeros Corporation was incorporated in 1994 and is headquartered in Seattle, Washington.

Today's Range

Now: $8.22

$8.09

$8.53

50 Day Range

MA: $8.69

$7.04

$9.61

52 Week Range

Now: $8.22

$2.61

$13.60

Volume

766,608 shs

Average Volume

520,108 shs

Market Capitalization

$476.35 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.03

Who are the company insiders with the largest holdings of Omeros?: Omeros' top insider shareholders include:
Peter A Md Demopulos (Director)
Gregory A Md Demopulos (CEO)
Arnold C Hanish (Director)
Learn More about top insider investors at Omeros.
Who are the major institutional investors of Omeros?: Omeros' top institutional investors include:
Vanguard Group Inc. — 5.42%
Stifel Financial Corp — 2.73%
Nomura Holdings Inc. — 1.29%
Corient Private Wealth LLC — 1.27%
Charles Schwab Investment Management Inc. — 0.82%
Citadel Advisors LLC — 0.00%
Learn More about top institutional investors of Omeros stock.
Which institutional investors are selling Omeros stock?: Within the last quarter, OMER stock was sold by these institutional investors:
Stifel Financial Corp
Vanguard Group Inc.
Corient Private Wealth LLC
ExodusPoint Capital Management LP
Squarepoint Ops LLC
Charles Schwab Investment Management Inc.
Nuveen Asset Management LLC
Two Sigma Advisers LP
Which institutional investors are buying Omeros stock?: Within the previous quarter, OMER stock was purchased by institutional investors including:
Nomura Holdings Inc.
Susquehanna Fundamental Investments LLC
First Sabrepoint Capital Management LP
Connor Clark & Lunn Investment Management Ltd.
Jacobs Levy Equity Management Inc.
Ancora Advisors LLC
Jane Street Group LLC
Citadel Advisors LLC
In the previous year, these company insiders have bought Omeros stock:
Peter A Md Demopulos (Director)
Gregory A Md Demopulos (CEO)
Learn More investors buying Omeros stock.