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Omeros Corp

OMER
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001285819

In the last 90 days, Omeros Corp insiders filed 0 open-market purchases and 6 sales; 171 institutions reported holding it in 13F filings for Q2 2026, worth $343.0M in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Omeros Corp as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
152
No complete 13F data for Q4 2020
Shares held
34.8M
No complete 13F data for Q4 2020
Total value
$618.6M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting OMER on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 152 institutions
Q1 2021: 152 institutionsQ2 2021: 152 institutionsQ3 2021: 142 institutionsQ4 2021: 139 institutionsQ1 2022: 129 institutionsQ2 2022: 102 institutionsQ3 2022: 94 institutionsQ4 2022: 98 institutionsQ1 2023: 91 institutionsQ2 2023: 103 institutionsQ3 2023: 100 institutionsQ4 2023: 97 institutionsQ1 2024: 99 institutionsQ2 2024: 104 institutionsQ3 2024: 108 institutionsQ4 2024: 128 institutionsQ1 2025: 137 institutionsQ2 2025: 128 institutionsQ3 2025: 133 institutionsQ4 2025: 151 institutionsQ1 2026: 162 institutionsQ2 2026: 171 institutions
Value heldQ1 2021: $618.6M
Q1 2021: $618.6MQ2 2021: $478.4MQ3 2021: $417.7MQ4 2021: $202.2MQ1 2022: $173.2MQ2 2022: $66.0MQ3 2022: $64.7MQ4 2022: $44.4MQ1 2023: $94.9MQ2 2023: $142.8MQ3 2023: $78.9MQ4 2023: $81.7MQ1 2024: $87.8MQ2 2024: $101.4MQ3 2024: $99.3MQ4 2024: $262.3MQ1 2025: $226.7MQ2 2025: $87.3MQ3 2025: $134.7MQ4 2025: $570.3MQ1 2026: $326.2MQ2 2026: $343.0M
Institutions holding OMER and their total value by quarter
QuarterHoldersValue
Q2 2026171$343.0M
Q1 2026162$326.2M
Q4 2025151$570.3M
Q3 2025133$134.7M
Q2 2025128$87.3M
Q1 2025137$226.7M
Q4 2024128$262.3M
Q3 2024108$99.3M
Q2 2024104$101.4M
Q1 202499$87.8M
Q4 202397$81.7M
Q3 2023100$78.9M
Q2 2023103$142.8M
Q1 202391$94.9M
Q4 202298$44.4M
Q3 202294$64.7M
Q2 2022102$66.0M
Q1 2022129$173.2M
Q4 2021139$202.2M
Q3 2021142$417.7M
Q2 2021152$478.4M
Q1 2021152$618.6M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Omeros Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding OMER in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,060,455$90.1M0.00%––
Ingalls & Snyder LLC4,319,792$76.9M3.62%––
Vanguard Group Inc3,345,856$59.6M0.00%––
Cormorant Asset Management, LP3,300,030$58.7M1.69%––
D. E. Shaw & Co., Inc.2,711,960$48.3M0.06%––
State Street Corp1,293,301$23.0M0.00%––
Geode Capital Management, LLC994,915$17.7M0.00%––
Stifel Financial Corp953,011$17.0M0.03%––
Goldman Sachs Group Inc805,494$14.3M0.00%––
Bain Capital Public Equity Management II, LLC690,315$12.3M0.51%––
Northern Trust Corp689,786$12.3M0.00%––
CPWM, LLC666,577$11.9M1.02%––
Bank of Montreal590,977$10.5M0.01%––
Nomura Holdings Inc568,777$10.1M0.07%––
Nuveen Asset Management, LLC501,559$8.93M0.00%––
UBS Group AG479,623$8.54M0.00%––
Marshall Wace North America L.P.476,969$8.49M0.04%––
Royal Bank of Canada427,166$7.60M0.00%––
Charles Schwab Investment Management Inc416,625$7.42M0.00%––
Falcon Edge Capital, LP361,540$6.43M0.40%––
Federated Hermes, Inc.296,770$5.28M0.01%––
Two Sigma Investments, LP284,401$5.06M0.02%––
Credit Suisse AG265,112$4.72M0.00%––
Morgan Stanley264,331$4.71M0.00%––
Bank of America Corp256,634$4.57M0.00%––
Jacob Asset Management of New York LLC228,800$4.07M1.58%––
Bank of New York Mellon Corp226,816$4.04M0.00%––
Deutsche Bank AG222,300$3.96M0.00%––
Caption Management, LLC185,817$3.31M0.42%––
Voloridge Investment Management, LLC184,508$3.28M0.02%––
Group One Trading, L.P.173,246$3.08M0.07%––
Susquehanna International Group, LLP170,188$3.03M0.00%––
Millennium Management LLC168,094$2.99M0.00%––
SG3 Management, LLC140,000$2.49M0.81%––
Swiss National Bank126,800$2.26M0.00%––
Graticule Asia Macro Advisors LLC123,000$2.19M0.37%––
California Public Employees Retirement System120,200$2.14M0.00%––
United Capital Financial Advisers, LLC106,294$1.89M0.01%––
Brighton Jones LLC96,303$1.71M0.10%––
California State Teachers Retirement System89,117$1.59M0.00%––
State of Wisconsin Investment Board82,800$1.47M0.00%––
Raymond James & Associates81,806$1.46M0.00%––
Citadel Advisors LLC75,938$1.35M0.00%––
Alliancebernstein L.P.69,900$1.24M0.00%––
Rhumbline Advisers69,217$1.23M0.00%––
Two Sigma Advisers, LP66,900$1.19M0.00%––
American Financial Group Inc64,113$1.14M0.19%––
Barclays PLC58,567$1.04M0.00%––
Marshall Wace, LLP57,257$1.02M0.01%––
CAPROCK Group, Inc.56,012$997.0K0.11%––
Woodward Diversified Capital, LLC55,636$990.0K0.58%––
New York State Common Retirement Fund54,100$963.0K0.00%––
HealthCor Management, L.P.50,000$890.0K0.03%––
Simplex Trading, LLC47,392$843.0K0.05%––
Lazard Asset Management LLC46,991$836.0K0.00%––
Jane Street Group, LLC44,260$788.0K0.00%––
Tudor Investment Corp Et Al41,652$741.0K0.02%––
Virtus ETF Advisers LLC41,200$733.0K0.31%––
Hohimer Wealth Management, LLC39,630$705.0K0.17%––
Wells Fargo & Company38,313$682.0K0.00%––
UBS Asset Management Americas Inc37,906$674.7K0.00%––
Parametrica Management Ltd36,805$653.0K0.31%––
American International Group, Inc.34,445$613.0K0.00%––
Cubist Systematic Strategies, LLC34,087$607.0K0.01%––
Price T Rowe Associates Inc34,046$606.0K0.00%––
Manufacturers Life Insurance Company, The33,725$600.0K0.00%––
Outfitter Financial LLC32,605$580.0K0.48%––
HighTower Advisors, LLC32,407$578.0K0.00%––
Cypress Capital Group32,000$570.0K0.08%––
Cerity Partners LLC30,650$546.0K0.01%––
Cambridge Investment Research Advisors, Inc.29,947$533.0K0.00%––
Parametric Portfolio Associates LLC29,837$531.0K0.00%––
D.A. Davidson & Co.29,750$530.0K0.01%––
Nisa Investment Advisors, LLC29,584$527.0K0.00%––
State Board of Administration of Florida Retirement System27,977$498.0K0.00%––
Sowell Financial Services LLC27,165$477.0K0.02%––
Voya Investment Management LLC26,732$476.0K0.00%––
Principal Financial Group Inc26,479$471.0K0.00%––
ProShare Advisors LLC24,325$433.0K0.00%––
Sheaff Brock Investment Advisors, LLC23,330$415.0K0.04%––
MetLife Investment Management23,159$412.2K0.00%––
IndexIQ Advisors LLC22,600$402.0K0.01%––
Occudo Quantitative Strategies LP22,511$401.0K0.09%––
JPMorgan Chase & Co22,275$396.0K0.00%––
ExodusPoint Capital Management, LP22,055$393.0K0.01%––
Cowen and Company, LLC21,035$374.0K0.03%––
Maven Securities LTD19,159$348.0K0.03%––
Rocky Mountain Advisers, LLC18,885$336.0K0.48%––
Trexquant Investment LP18,564$330.0K0.03%––
MAI Capital Management18,400$328.0K0.01%––
Metropolitan Life Insurance Co18,238$324.6K0.00%––
Lesa Sroufe & Co17,735$316.0K0.35%––
Wolverine Trading, LLC16,866$300.0K0.01%––
National Asset Management, Inc.16,234$289.0K0.01%––
Arizona State Retirement System16,152$288.0K0.00%––
Invesco Ltd.15,146$270.0K0.00%––
Handelsbanken Fonder AB15,000$267.0K0.00%––
Qube Research & Technologies Ltd14,832$264.0K0.00%––
Calton & Associates, Inc.14,797$263.0K0.05%––
DekaBank Deutsche Girozentrale14,900$260.0K0.00%––