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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
New York State Common Retirement Fund54,100$963.0K0.00%––
Woodward Diversified Capital, LLC55,636$990.0K0.58%––
CAPROCK Group, Inc.56,012$997.0K0.11%––
Marshall Wace, LLP57,257$1.02M0.01%––
Barclays PLC58,567$1.04M0.00%––
American Financial Group Inc64,113$1.14M0.19%––
Two Sigma Advisers, LP66,900$1.19M0.00%––
Rhumbline Advisers69,217$1.23M0.00%––
Alliancebernstein L.P.69,900$1.24M0.00%––
Citadel Advisors LLC75,938$1.35M0.00%––
Raymond James & Associates81,806$1.46M0.00%––
State of Wisconsin Investment Board82,800$1.47M0.00%––
California State Teachers Retirement System89,117$1.59M0.00%––
Brighton Jones LLC96,303$1.71M0.10%––
United Capital Financial Advisers, LLC106,294$1.89M0.01%––
California Public Employees Retirement System120,200$2.14M0.00%––
Graticule Asia Macro Advisors LLC123,000$2.19M0.37%––
Swiss National Bank126,800$2.26M0.00%––
SG3 Management, LLC140,000$2.49M0.81%––
Millennium Management LLC168,094$2.99M0.00%––
Susquehanna International Group, LLP170,188$3.03M0.00%––
Group One Trading, L.P.173,246$3.08M0.07%––
Voloridge Investment Management, LLC184,508$3.28M0.02%––
Caption Management, LLC185,817$3.31M0.42%––
Deutsche Bank AG222,300$3.96M0.00%––
Bank of New York Mellon Corp226,816$4.04M0.00%––
Jacob Asset Management of New York LLC228,800$4.07M1.58%––
Bank of America Corp256,634$4.57M0.00%––
Morgan Stanley264,331$4.71M0.00%––
Credit Suisse AG265,112$4.72M0.00%––
Two Sigma Investments, LP284,401$5.06M0.02%––
Federated Hermes, Inc.296,770$5.28M0.01%––
Falcon Edge Capital, LP361,540$6.43M0.40%––
Charles Schwab Investment Management Inc416,625$7.42M0.00%––
Royal Bank of Canada427,166$7.60M0.00%––
Marshall Wace North America L.P.476,969$8.49M0.04%––
UBS Group AG479,623$8.54M0.00%––
Nuveen Asset Management, LLC501,559$8.93M0.00%––
Nomura Holdings Inc568,777$10.1M0.07%––
Bank of Montreal590,977$10.5M0.01%––
CPWM, LLC666,577$11.9M1.02%––
Northern Trust Corp689,786$12.3M0.00%––
Bain Capital Public Equity Management II, LLC690,315$12.3M0.51%––
Goldman Sachs Group Inc805,494$14.3M0.00%––
Stifel Financial Corp953,011$17.0M0.03%––
Geode Capital Management, LLC994,915$17.7M0.00%––
State Street Corp1,293,301$23.0M0.00%––
D. E. Shaw & Co., Inc.2,711,960$48.3M0.06%––
Cormorant Asset Management, LP3,300,030$58.7M1.69%––
Vanguard Group Inc3,345,856$59.6M0.00%––
Ingalls & Snyder LLC4,319,792$76.9M3.62%––
BlackRock Inc.5,060,455$90.1M0.00%––