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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
Ingalls & Snyder LLC4,323,227$27.8M1.27%−139,290−3.1%Reduced
BlackRock Inc.4,050,028$26.0M0.00%−475,472−10.5%Reduced
Vanguard Group Inc3,357,828$21.6M0.00%+72,264+2.2%Added
D. E. Shaw & Co., Inc.1,913,321$12.3M0.02%−167,265−8.0%Reduced
CPWM, LLC699,285$9.64M0.76%00.0%Unchanged
State Street Corp1,374,111$8.84M0.00%+72,649+5.6%Added
Millennium Management LLC1,170,503$7.53M0.01%+978,261+508.9%Added
Geode Capital Management, LLC1,092,833$7.03M0.00%+27,359+2.6%Added
Morgan Stanley1,064,691$6.84M0.00%+825,961+346.0%Added
Stifel Financial Corp965,303$6.21M0.01%−61,742−6.0%Reduced
Northern Trust Corp671,750$4.32M0.00%−19,999−2.9%Reduced
Nomura Holdings Inc660,722$4.25M0.02%−22,033−3.2%Reduced
Royal Bank of Canada605,575$3.89M0.00%+1,943+0.3%Added
Bank of Montreal568,995$3.83M0.00%−105,223−15.6%Reduced
Two Sigma Investments, LP548,318$3.53M0.01%+326,519+147.2%Added
UBS Group AG543,767$3.50M0.00%+19,954+3.8%Added
Charles Schwab Investment Management Inc436,368$2.81M0.00%+6,380+1.5%Added
Bank of America Corp324,931$2.09M0.00%+170,860+110.9%Added
Voloridge Investment Management, LLC296,738$1.91M0.01%+203,089+216.9%Added
Susquehanna International Group, LLP284,452$1.83M0.00%+44,113+18.4%Added
Group One Trading, L.P.274,645$1.77M0.03%+81,030+41.9%Added
Cubist Systematic Strategies, LLC274,053$1.76M0.02%+230,936+535.6%Added
Credit Suisse AG271,018$1.74M0.00%−43,686−13.9%Reduced
Goldman Sachs Group Inc204,286$1.31M0.00%−100,189−32.9%Reduced
Nuveen Asset Management, LLC186,116$1.29M0.00%−16,541−8.2%Reduced
Bank of New York Mellon Corp199,222$1.28M0.00%−4,291−2.1%Reduced
Jane Street Group, LLC178,349$1.15M0.00%−26,031−12.7%Reduced
Wellington Management Group LLP169,786$1.09M0.00%+169,786New
Deutsche Bank AG168,103$1.08M0.00%−254,327−60.2%Reduced
Jacob Asset Management of New York LLC165,923$1.07M0.48%−162,309−49.4%Reduced
BNP Paribas Arbitrage, SA146,011$938.9K0.00%+135,228+1,254.1%Added
Ancora Advisors, LLC145,787$937.0K0.02%+11,413+8.5%Added
Tudor Investment Corp Et Al144,335$928.0K0.02%+108,579+303.7%Added
Raymond James & Associates137,818$886.0K0.00%+10,692+8.4%Added
Swiss National Bank130,900$842.0K0.00%00.0%Unchanged
GWM Advisors LLC126,666$814.0K0.01%+61,596+94.7%Added
Two Sigma Advisers, LP126,100$811.0K0.00%−42,600−25.3%Reduced
Graticule Asia Macro Advisors LLC123,000$791.0K0.37%00.0%Unchanged
United Capital Financial Advisers, LLC104,223$670.0K0.00%00.0%Unchanged
Barclays PLC99,216$637.0K0.00%+61,698+164.4%Added
California State Teachers Retirement System82,708$532.0K0.00%+1,672+2.1%Added
Renaissance Technologies LLC79,400$511.0K0.00%+79,400New
Rhumbline Advisers71,195$458.0K0.00%−1,161−1.6%Reduced
Alliancebernstein L.P.69,900$449.0K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP66,829$430.0K0.04%+32,108+92.5%Added
American Financial Group Inc64,113$412.0K0.11%00.0%Unchanged
Simplex Trading, LLC61,150$393.0K0.01%−55,947−47.8%Reduced
CAPROCK Group, Inc.60,812$391.0K0.03%+4,800+8.6%Added
Virtu Financial LLC60,652$390.0K0.04%+60,652New
HRT Financial LP52,825$339.0K0.00%+26,460+100.4%Added
Engineers Gate Manager LP50,326$324.0K0.01%+50,326New
Hohimer Wealth Management, LLC49,280$317.0K0.07%+7,700+18.5%Added
Sheaff Brock Investment Advisors, LLC47,580$306.0K0.03%+3,750+8.6%Added
Dynamic Technology Lab Private Ltd45,631$293.0K0.03%+45,631New
Gsa Capital Partners LLP45,308$291.0K0.04%−18,462−29.0%Reduced
UBS Asset Management Americas Inc44,932$288.9K0.00%+139+0.3%Added
Brighton Jones LLC41,503$267.0K0.01%−68,300−62.2%Reduced
New York State Common Retirement Fund41,398$266.0K0.00%−144−0.3%Reduced
Wolverine Asset Management LLC41,112$264.0K0.00%+41,112New
Legal & General Group Plc39,902$256.0K0.00%+16,044+67.2%Added
Lazard Asset Management LLC38,906$250.0K0.00%+38,906New
Wells Fargo & Company38,082$244.0K0.00%+15,201+66.4%Added
Rocky Mountain Advisers, LLC36,405$234.0K0.27%+14,770+68.3%Added
HighTower Advisors, LLC35,614$228.0K0.00%+1,300+3.8%Added
Ergoteles LLC34,883$224.0K0.01%−1,000−2.8%Reduced
Cambridge Investment Research Advisors, Inc.34,584$222.0K0.00%−5,210−13.1%Reduced
Cerity Partners LLC34,450$222.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The32,984$212.0K0.00%+543+1.7%Added
American International Group, Inc.32,044$206.0K0.00%−959−2.9%Reduced
Cypress Capital Group32,000$206.0K0.03%00.0%Unchanged
JPMorgan Chase & Co29,237$188.0K0.00%+2,213+8.2%Added
State Board of Administration of Florida Retirement System29,029$187.0K0.00%+186+0.6%Added
Parametric Portfolio Associates LLC27,520$177.0K0.00%−4,776−14.8%Reduced
Baird Financial Group, Inc.27,100$174.0K0.00%+11,000+68.3%Added
Invesco Ltd.26,895$173.0K0.00%−2,111−7.3%Reduced
ExodusPoint Capital Management, LP24,936$160.0K0.00%−20,046−44.6%Reduced
Voya Investment Management LLC24,101$155.0K0.00%−498−2.0%Reduced
Vident Investment Advisory, LLC24,094$155.0K0.00%+24,094New
IndexIQ Advisors LLC23,725$153.0K0.01%−1,533−6.1%Reduced
Walleye Trading LLC23,325$150.0K0.00%+693+3.1%Added
ProShare Advisors LLC21,984$141.0K0.00%+907+4.3%Added
Citigroup Inc21,712$140.0K0.00%−4,490−17.1%Reduced
Schonfeld Strategic Advisors LLC20,300$131.0K0.00%+5,118+33.7%Added
Squarepoint Ops LLC19,961$128.0K0.00%+19,961New
Coldstream Capital Management Inc19,527$126.0K0.00%+19,527New
Ensign Peak Advisors, Inc19,360$124.0K0.00%+19,360New
National Asset Management, Inc.18,801$121.0K0.00%+184+1.0%Added
Two Sigma Securities, LLC18,700$120.0K0.02%+18,700New
MAI Capital Management18,400$118.0K0.00%00.0%Unchanged
Lesa Sroufe & Co17,735$114.0K0.11%00.0%Unchanged
Metropolitan Life Insurance Co16,799$108.0K0.00%−2,203−11.6%Reduced
Cutler Group LP16,933$108.0K0.01%+14,599+625.5%Added
Quantbot Technologies LP16,437$105.0K0.01%+16,437New
Rafferty Asset Management, LLC16,149$104.0K0.00%+16,149New
Arizona State Retirement System15,979$103.0K0.00%−150−0.9%Reduced
Bellevue Asset Management, LLC15,811$102.0K0.06%+4,800+43.6%Added
SG Americas Securities, LLC15,608$100.0K0.00%−14,480−48.1%Reduced
Woodward Diversified Capital, LLC14,800$95.0K0.06%−96,806−86.7%Reduced
Price T Rowe Associates Inc14,555$94.0K0.00%−18,100−55.4%Reduced
Apella Capital, LLC14,288$92.0K0.01%00.0%Unchanged