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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, Q4 2021

Institutional positions in Omeros Corp as of Dec 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
139
−2 vs. Q3 2021
Shares held
30.6M
+178.0K (+0.6%) vs. Q3 2021
Total value
$202.2M
−$215.5M (−51.6%) vs. Q3 2021
New holders
24
47 more added
Sold out
26
43 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

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 holdersQ4 2021: 139 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 heldQ4 2021: $202.2M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q3 2021.

Institutions holding OMER in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
United Capital Financial Advisers, LLC104,223$670.0K0.00%00.0%Unchanged
Graticule Asia Macro Advisors LLC123,000$791.0K0.37%00.0%Unchanged
Two Sigma Advisers, LP126,100$811.0K0.00%−42,600−25.3%Reduced
GWM Advisors LLC126,666$814.0K0.01%+61,596+94.7%Added
Swiss National Bank130,900$842.0K0.00%00.0%Unchanged
Raymond James & Associates137,818$886.0K0.00%+10,692+8.4%Added
Tudor Investment Corp Et Al144,335$928.0K0.02%+108,579+303.7%Added
Ancora Advisors, LLC145,787$937.0K0.02%+11,413+8.5%Added
BNP Paribas Arbitrage, SA146,011$938.9K0.00%+135,228+1,254.1%Added
Jacob Asset Management of New York LLC165,923$1.07M0.48%−162,309−49.4%Reduced
Deutsche Bank AG168,103$1.08M0.00%−254,327−60.2%Reduced
Wellington Management Group LLP169,786$1.09M0.00%+169,786New
Jane Street Group, LLC178,349$1.15M0.00%−26,031−12.7%Reduced
Bank of New York Mellon Corp199,222$1.28M0.00%−4,291−2.1%Reduced
Nuveen Asset Management, LLC186,116$1.29M0.00%−16,541−8.2%Reduced
Goldman Sachs Group Inc204,286$1.31M0.00%−100,189−32.9%Reduced
Credit Suisse AG271,018$1.74M0.00%−43,686−13.9%Reduced
Cubist Systematic Strategies, LLC274,053$1.76M0.02%+230,936+535.6%Added
Group One Trading, L.P.274,645$1.77M0.03%+81,030+41.9%Added
Susquehanna International Group, LLP284,452$1.83M0.00%+44,113+18.4%Added
Voloridge Investment Management, LLC296,738$1.91M0.01%+203,089+216.9%Added
Bank of America Corp324,931$2.09M0.00%+170,860+110.9%Added
Charles Schwab Investment Management Inc436,368$2.81M0.00%+6,380+1.5%Added
UBS Group AG543,767$3.50M0.00%+19,954+3.8%Added
Two Sigma Investments, LP548,318$3.53M0.01%+326,519+147.2%Added
Bank of Montreal568,995$3.83M0.00%−105,223−15.6%Reduced
Royal Bank of Canada605,575$3.89M0.00%+1,943+0.3%Added
Nomura Holdings Inc660,722$4.25M0.02%−22,033−3.2%Reduced
Northern Trust Corp671,750$4.32M0.00%−19,999−2.9%Reduced
Stifel Financial Corp965,303$6.21M0.01%−61,742−6.0%Reduced
Morgan Stanley1,064,691$6.84M0.00%+825,961+346.0%Added
Geode Capital Management, LLC1,092,833$7.03M0.00%+27,359+2.6%Added
Millennium Management LLC1,170,503$7.53M0.01%+978,261+508.9%Added
State Street Corp1,374,111$8.84M0.00%+72,649+5.6%Added
CPWM, LLC699,285$9.64M0.76%00.0%Unchanged
D. E. Shaw & Co., Inc.1,913,321$12.3M0.02%−167,265−8.0%Reduced
Vanguard Group Inc3,357,828$21.6M0.00%+72,264+2.2%Added
BlackRock Inc.4,050,028$26.0M0.00%−475,472−10.5%Reduced
Ingalls & Snyder LLC4,323,227$27.8M1.27%−139,290−3.1%Reduced
Cormorant Asset Management, LP0$00.00%−950,000−100.0%Sold out
Bain Capital Public Equity Management II, LLC0$00.00%−400,072−100.0%Sold out
Falcon Edge Capital, LP0$00.00%−337,197−100.0%Sold out
Caption Management, LLC0$00.00%−106,054−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−82,800−100.0%Sold out
Citadel Advisors LLC0$00.00%−45,047−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−29,436−100.0%Sold out
Sowell Financial Services LLC0$00.00%−27,331−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−17,300−100.0%Sold out
DekaBank Deutsche Girozentrale0$00.00%−14,900−100.0%Sold out
Wolverine Trading, LLC0$00.00%−14,386−100.0%Sold out
Quad-Cities Investment Group, LLC0$00.00%−13,150−100.0%Sold out
Ameriprise Financial Inc0$00.00%−10,676−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−10,503−100.0%Sold out
Cowen and Company, LLC0$00.00%−8,264−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−7,545−100.0%Sold out
American Portfolios Advisors0$00.00%−2,000−100.0%Sold out
First Manhattan Co0$00.00%−2,000−100.0%Sold out
MCF Advisors LLC0$00.00%−1,814−100.0%Sold out
Penserra Capital Management LLC0$00.00%−1,430−100.0%Sold out
North Star Investment Management Corp.0$00.00%−230−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−150−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−41−100.0%Sold out
Captrust Financial Advisors0$00.00%−67−100.0%Sold out
Jacobi Capital Management LLC0$00.00%−85−100.0%Sold out
Versant Capital Management, Inc0$00.00%−20−100.0%Sold out
Sonora Investment Management, LLC––––Not filed