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Omeros (OMER) Institutional Ownership

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$3.61 -0.32 (-8.14%)
Closing price 04:00 PM Eastern
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$3.62 +0.01 (+0.14%)
As of 07:39 PM Eastern
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Institutional Ownership Changes (13F Filings) for Omeros (NASDAQ:OMER)

Current
Institutional Ownership
Percentage
48.79%
Number of
Institutional Buyers
(last 12 months)
59
Total
Institutional Inflows
(last 12 months)
$18.43M
Number of
Institutional Sellers
(last 12 months)
32
Total
Institutional Outflows
(last 12 months)
$9.35M
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OMER Institutional Buying and Selling by Quarter

Omeros Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2025 Wealth Enhancement Advisory Services LLC26,156$84K0.0%-62.8%0.045%
6/27/2025Goldman Sachs Group Inc.181,155$1.49M0.0%-14.4%0.309%
5/21/2025Acadian Asset Management LLC43,695$357K0.0%N/A0.075%
5/16/2025Goldman Sachs Group Inc.181,155$1.49M0.0%-14.4%0.311%
5/16/2025Jacobs Levy Equity Management Inc.85,514$703K0.0%-18.2%0.147%
5/16/2025AQR Capital Management LLC34,700$285K0.0%-11.5%0.060%
5/16/2025Ancora Advisors LLC5,800$48K0.0%-93.2%0.010%
5/15/2025Nomura Holdings Inc.679,020$5.58M0.0%-9.1%1.165%
5/15/2025Trexquant Investment LP10,760$88K0.0%N/A0.018%
5/14/2025AlphaQuest LLC15,687$129K0.0%-45.7%0.027%
5/14/2025Hsbc Holdings PLC17,138$142K0.0%N/A0.029%
5/14/2025Wellington Management Group LLP136,002$1.12M0.0%N/A0.233%
5/12/2025Nuveen LLC114,057$938K0.0%N/A0.196%
5/12/2025Invesco Ltd.87,044$716K0.0%+169.1%0.149%
5/12/2025Connor Clark & Lunn Investment Management Ltd.10,555$87K0.0%-90.7%0.018%
5/9/2025Deutsche Bank AG42,019$345K0.0%+4.9%0.072%
5/9/2025Charles Schwab Investment Management Inc.463,882$3.81M0.0%-2.4%0.796%
5/9/2025Vanguard Group Inc.3,237,256$26.61M0.0%+3.0%5.552%
5/8/2025SPC Financial Inc.17,400$143K0.0%-10.3%0.030%
5/8/2025Harbour Investments Inc.9,218$76K0.0%+51.9%0.016%
5/5/2025Stordahl Capital Management Inc.32,656$268K0.1%-18.4%0.056%
5/1/2025New York State Common Retirement Fund11,413$94K0.0%-34.1%0.020%
4/29/2025Bank of New York Mellon Corp151,062$1.24M0.0%+2.2%0.260%
4/17/2025 Sowell Financial Services LLC10,750$88K0.0%N/A0.019%
4/17/2025Brighton Jones LLC30,714$252K0.0%+11.3%0.053%
4/16/2025 Wealth Enhancement Advisory Services LLC70,398$579K0.0%N/A0.121%
4/7/2025 GAMMA Investing LLC7,439$61K0.0%+14,486.3%0.013%
2/17/2025Squarepoint Ops LLC32,009$316K0.0%-32.4%0.055%
2/17/2025Two Sigma Advisers LP38,800$383K0.0%-15.7%0.067%
2/17/2025Two Sigma Investments LP162,991$1.61M0.0%+8.8%0.281%
2/17/2025ProShare Advisors LLC18,496$183K0.0%+75.0%0.032%
2/17/2025Nomura Holdings Inc.747,281$7.38M0.0%+136.2%1.290%
2/17/2025Nuveen Asset Management LLC102,921$1.02M0.0%-8.4%0.178%
2/17/2025Millennium Management LLC85,671$846K0.0%+46.2%0.148%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.31,831$314K0.0%+3.6%0.055%
2/17/2025Jacobs Levy Equity Management Inc.104,538$1.03M0.0%N/A0.180%
2/17/2025Deutsche Bank AG40,046$396K0.0%+38.2%0.069%
2/17/2025Bridgeway Capital Management LLC155,100$1.53M0.0%-3.8%0.268%
2/17/2025BNP Paribas Financial Markets7,452$74K0.0%-39.8%0.013%
2/17/2025Ameriprise Financial Inc.120,493$1.19M0.0%+2.0%0.208%
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2/17/2025Ancora Advisors LLC85,800$848K0.0%+1,036.4%0.148%
2/14/2025Comerica Bank35,000$346K0.0%+16.7%0.060%
2/14/2025The Manufacturers Life Insurance Company20,479$202K0.0%-5.4%0.035%
2/14/2025Susquehanna Fundamental Investments LLC150,557$1.49M0.0%N/A0.260%
2/14/2025Virtus ETF Advisers LLC8,373$83K0.0%N/A0.014%
2/14/2025Voya Investment Management LLC17,233$170K0.0%-9.4%0.030%
2/14/2025Price T Rowe Associates Inc. MD39,582$392K0.0%+12.5%0.068%
2/14/2025Stifel Financial Corp1,581,205$15.62M0.0%-17.0%2.729%
2/14/2025Tower Research Capital LLC TRC4,467$44K0.0%+79.0%0.008%
2/13/2025Marshall Wace LLP44,205$437K0.0%N/A0.076%
2/13/2025XTX Topco Ltd20,846$206K0.0%N/A0.036%
2/13/2025Barclays PLC103,726$1.03M0.0%+9.6%0.179%
2/13/2025Raymond James Financial Inc.12,549$124K0.0%N/A0.022%
2/13/2025Invesco Ltd.32,348$320K0.0%-6.0%0.056%
2/13/2025Cerity Partners LLC28,989$286K0.0%+9.9%0.050%
2/12/2025ExodusPoint Capital Management LP15,495$153K0.0%-65.3%0.027%
2/12/2025Franklin Resources Inc.13,186$130K0.0%N/A0.023%
2/12/2025Alliancebernstein L.P.50,990$504K0.0%+153.4%0.088%
2/12/2025JPMorgan Chase & Co.32,134$317K0.0%+31.3%0.055%
2/11/2025Corebridge Financial Inc.27,808$275K0.0%-7.0%0.048%
2/11/2025Vanguard Group Inc.3,141,657$31.04M0.0%-3.6%5.421%
2/11/2025Quantbot Technologies LP4,671$46K0.0%N/A0.008%
2/11/2025Mindset Wealth Management LLC63,000$622K0.2%+4.8%0.109%
2/10/2025Corient Private Wealth LLC733,449$7.25M0.0%-6.7%1.266%
2/10/2025Picton Mahoney Asset Management5,040$50K0.0%+692.5%0.009%
2/10/2025Connor Clark & Lunn Investment Management Ltd.113,326$1.12M0.0%N/A0.196%
2/10/2025Truvestments Capital LLC3,102$31K0.0%+116.5%0.005%
2/7/2025AlphaQuest LLC28,894$285K0.0%N/A0.050%
2/6/2025Raymond James Financial Inc.12,549$124K0.0%N/A0.022%
2/6/2025Charles Schwab Investment Management Inc.475,526$4.70M0.0%-2.0%0.821%
2/5/2025US Bancorp DE8,205$81K0.0%N/A0.014%
2/4/2025Bank of New York Mellon Corp147,741$1.46M0.0%-3.2%0.255%
1/31/2025New York State Common Retirement Fund17,313$171K0.0%+245.4%0.030%
1/30/2025Blue Trust Inc.3,090$31K0.0%-38.2%0.005%
1/24/2025China Universal Asset Management Co. Ltd.12,287$121K0.0%N/A0.021%
1/23/2025Stordahl Capital Management Inc.40,000$395K0.1%N/A0.069%
1/21/2025Brighton Jones LLC27,589$273K0.0%-18.0%0.048%
1/17/2025Seros Financial LLC16,115$159K0.1%N/A0.028%
1/17/2025SG Americas Securities LLC24,361$241K0.0%+21.2%0.042%
11/19/2024Barclays PLC94,640$376K0.0%+121.3%0.163%
11/16/2024Geode Capital Management LLC1,339,251$5.32M0.0%+0.5%2.311%
11/15/2024Barclays PLC94,640$376K0.0%+121.3%0.163%
11/15/2024MML Investors Services LLC18,600$74K0.0%+19.2%0.032%
11/15/2024Jane Street Group LLC58,277$231K0.0%+15.9%0.101%
11/15/2024Wellington Management Group LLP76,945$305K0.0%N/A0.133%
11/15/2024State Street Corp1,226,053$4.87M0.0%+0.3%2.116%
11/15/2024Stifel Financial Corp1,904,207$7.56M0.0%+0.1%3.286%
11/15/2024HighTower Advisors LLC59,339$235K0.0%+7.2%0.102%
11/13/2024Townsquare Capital LLC12,383$49K0.0%-34.3%0.021%
11/13/2024BNP Paribas Financial Markets12,388$49K0.0%+130.6%0.021%
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11/12/2024Charles Schwab Investment Management Inc.485,035$1.93M0.0%+4.0%0.837%
11/6/2024Oppenheimer & Co. Inc.18,602$74K0.0%-70.2%0.032%
10/16/2024SPC Financial Inc.19,400$77K0.0%N/A0.033%
10/3/2024SG Americas Securities LLC20,104$80K0.0%N/A0.035%
8/19/2024B. Riley Wealth Advisors Inc.11,305$46K0.0%-26.5%0.020%
8/15/2024The Manufacturers Life Insurance Company22,433$91K0.0%-10.8%0.039%
8/15/2024AQR Capital Management LLC25,800$105K0.0%N/A0.045%
8/12/2024Hsbc Holdings PLC10,427$41K0.0%-29.2%0.018%
8/1/2024Rhumbline Advisers111,778$454K0.0%+6.1%0.193%
7/26/2024Bank of New York Mellon Corp218,580$887K0.0%+16.6%0.377%
(Data available from 1/1/2016 forward)

OMER Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of OMER shares?

During the previous two years, 84 institutional investors and hedge funds held shares of Omeros. The most heavily invested institutionals were Vanguard Group Inc. ($26.61M), Stifel Financial Corp ($15.62M), Corient Private Wealth LLC ($7.25M), Nomura Holdings Inc. ($5.58M), Geode Capital Management LLC ($5.32M), State Street Corp ($4.87M), and Charles Schwab Investment Management Inc. ($3.81M).Learn more on Omeros' institutional investors.

What percentage of Omeros' stock is owned by institutional investors?

48.79% of Omeros' stock is owned by institutional investors. Learn more on OMER's institutional investor holdings.

Which institutional investors have been buying Omeros' stock?

Of the 66 institutional investors that purchased Omeros' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Bank of Montreal Can ($563.30K), Nomura Holdings Inc. ($430.93K), Susquehanna Fundamental Investments LLC ($306.51K), Wellington Management Group LLP ($212.95K), Vanguard Group Inc. ($176.95K), Barclays PLC ($128.29K), and Ancora Advisors LLC ($117.73K).

How much institutional buying is happening at Omeros?

Institutional investors have bought a total of 2,167,628 shares in the last 24 months. This purchase volume represents approximately $18.43M in transactions.

Which of Omeros' major shareholders have been selling company stock?

Of the 32 institutional investors that sold Omeros' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Stifel Financial Corp ($323.00K), Vanguard Group Inc. ($117.94K), Connor Clark & Lunn Investment Management Ltd. ($102.77K), Ancora Advisors LLC ($80K), Nomura Holdings Inc. ($68.26K), Goldman Sachs Group Inc. ($60.89K), and Corient Private Wealth LLC ($53.00K).

How much institutional selling is happening at Omeros?

Institutional investors have sold a total of 1,076,996 shares in the last 24 months. This volume of shares sold represents approximately $9.35M in transactions.


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This page (NASDAQ:OMER) was last updated on 7/15/2025 by MarketBeat.com Staff
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