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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, Q3 2023

Institutional positions in Omeros Corp as of Sep 30, 2023. 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
100
−3 vs. Q2 2023
Shares held
27.0M
+744.5K (+2.8%) vs. Q2 2023
Total value
$78.9M
−$63.9M (−44.8%) vs. Q2 2023
New holders
10
33 more added
Sold out
13
24 more reduced

Compare with Q2 2023: 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 holdersQ3 2023: 100 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 heldQ3 2023: $78.9M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q2 2023.

Institutions holding OMER in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Ingalls & Snyder LLC4,643,586$13.6M0.66%−12,675−0.3%Reduced
BlackRock Inc.4,025,352$11.8M0.00%−129,600−3.1%Reduced
Vanguard Group Inc3,142,851$9.18M0.00%+5,541+0.2%Added
Royal Bank of Canada2,055,899$6.00M0.00%+1,478,167+255.9%Added
Stifel Financial Corp2,027,917$5.92M0.01%−28,918−1.4%Reduced
D. E. Shaw & Co., Inc.1,361,436$3.98M0.01%−277,766−16.9%Reduced
Geode Capital Management, LLC1,282,746$3.75M0.00%+29,035+2.3%Added
State Street Corp1,162,387$3.39M0.00%+23,188+2.0%Added
CI Private Wealth, LLC686,909$2.01M0.00%−4,638−0.7%Reduced
Bank of Montreal563,297$1.79M0.00%00.0%Unchanged
UBS Group AG590,642$1.72M0.00%+9,170+1.6%Added
Northern Trust Corp546,043$1.59M0.00%−7,562−1.4%Reduced
Charles Schwab Investment Management Inc490,968$1.43M0.00%+24,889+5.3%Added
Nomura Holdings Inc445,482$1.30M0.01%−175,685−28.3%Reduced
Morgan Stanley237,978$694.9K0.00%+15,563+7.0%Added
Group One Trading, L.P.221,699$647.4K0.03%+188,697+571.8%Added
Ancora Advisors, LLC210,023$613.3K0.02%+39,475+23.1%Added
Bank of New York Mellon Corp202,722$591.9K0.00%+127+0.1%Added
Nuveen Asset Management, LLC181,632$530.4K0.00%00.0%Unchanged
Susquehanna International Group, LLP175,727$513.1K0.00%+33,950+23.9%Added
First Trust Advisors LP168,625$492.4K0.00%+168,625New
Bank of America Corp168,096$490.8K0.00%+57,951+52.6%Added
Two Sigma Investments, LP153,464$448.1K0.00%+93,664+156.6%Added
Ameriprise Financial Inc116,716$340.8K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC109,200$318.9K0.01%00.0%Unchanged
Goldman Sachs Group Inc106,502$311.0K0.00%−33,617−24.0%Reduced
Rhumbline Advisers90,189$263.3K0.00%−1,051−1.2%Reduced
Badgley Phelps Wealth Managers, LLC77,526$226.4K0.01%00.0%Unchanged
HighTower Advisors, LLC69,339$203.0K0.00%+4,000+6.1%Added
Invesco Ltd.66,545$194.3K0.00%+33,576+101.8%Added
American Financial Group Inc64,113$187.0K0.06%00.0%Unchanged
Renaissance Technologies LLC62,800$183.0K0.00%+62,800New
Squarepoint Ops LLC61,863$180.6K0.00%+32,181+108.4%Added
CAPROCK Group, Inc.60,819$177.6K0.01%+70.0%Added
Sheaff Brock Investment Advisors, LLC60,125$175.6K0.02%00.0%Unchanged
Jane Street Group, LLC55,563$162.2K0.00%+55,563New
Jacob Asset Management of New York LLC55,168$161.1K0.23%−25,000−31.2%Reduced
Cypress Capital Group55,000$160.6K0.02%+5,000+10.0%Added
JPMorgan Chase & Co53,078$155.0K0.00%+3,905+7.9%Added
Hohimer Wealth Management, LLC52,530$153.4K0.04%00.0%Unchanged
BNP Paribas Arbitrage, SA52,288$152.7K0.00%+36,414+229.4%Added
Two Sigma Advisers, LP49,900$145.7K0.00%+11,300+29.3%Added
Brighton Jones LLC47,516$138.7K0.01%−5,000−9.5%Reduced
Cambridge Investment Research Advisors, Inc.47,373$138.0K0.00%−57−0.1%Reduced
Barclays PLC45,629$133.2K0.00%+15,456+51.2%Added
Raymond James & Associates44,418$129.7K0.00%−300−0.7%Reduced
Tudor Investment Corp Et Al40,059$117.0K0.00%−14,236−26.2%Reduced
AQR Capital Management LLC35,565$103.8K0.00%+35,565New
Citadel Advisors LLC33,842$98.8K0.00%+23,977+243.1%Added
Rocky Mountain Advisers, LLC33,505$97.8K0.05%00.0%Unchanged
MetLife Investment Management32,266$94.2K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.32,205$94.0K0.00%+57+0.2%Added
Price T Rowe Associates Inc31,228$92.0K0.00%+1,278+4.3%Added
American International Group, Inc.30,382$88.7K0.00%+1,080+3.7%Added
Deutsche Bank AG29,460$86.0K0.00%−5,647−16.1%Reduced
Manufacturers Life Insurance Company, The25,138$73.4K0.00%00.0%Unchanged
Comerica Bank25,000$73.0K0.00%+25,000New
New York State Common Retirement Fund24,457$71.4K0.00%+657+2.8%Added
Voya Investment Management LLC24,345$71.1K0.00%00.0%Unchanged
Verition Fund Management LLC22,200$64.8K0.00%+22,200New
Coldstream Capital Management Inc19,795$57.8K0.00%00.0%Unchanged
MAI Capital Management19,769$57.7K0.00%00.0%Unchanged
SG Americas Securities, LLC19,105$56.0K0.00%+19,105New
Wells Fargo & Company17,497$51.1K0.00%−10,214−36.9%Reduced
State Board of Administration of Florida Retirement System17,430$50.9K0.00%+150+0.9%Added
Walleye Trading LLC17,266$50.4K0.00%+17,266New
O'Shaughnessy Asset Management, LLC17,098$49.9K0.00%+17,098New
National Asset Management, Inc.15,380$44.9K0.00%00.0%Unchanged
Apella Capital, LLC14,288$41.7K0.00%00.0%Unchanged
California State Teachers Retirement System13,433$39.2K0.00%−6,818−33.7%Reduced
Ronald Blue Trust, Inc.6,813$37.0K0.00%+1,813+36.3%Added
ProShare Advisors LLC12,018$35.1K0.00%+35+0.3%Added
Alliancebernstein L.P.11,700$34.2K0.00%00.0%Unchanged
Sonora Investment Management Group, LLC11,545$33.7K0.00%−9,030−43.9%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management10,000$29.2K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.9,033$26.4K0.00%+4,135+84.4%Added
Empire Life Investments Inc.8,705$25.4K0.00%−100−1.1%Reduced
Amalgamated Bank7,271$21.0K0.00%00.0%Unchanged
Farther Finance Advisors, LLC6,000$17.5K0.00%00.0%Unchanged
Legal & General Group Plc5,710$16.7K0.00%−756−11.7%Reduced
Ameritas Investment Partners, Inc.5,027$14.7K0.00%00.0%Unchanged
Tradition Wealth Management, LLC4,338$13.0K0.00%00.0%Unchanged
FMR LLC3,866$11.3K0.00%−1,120−22.5%Reduced
Metropolitan Life Insurance Co3,344$9.76K0.00%00.0%Unchanged
Creative Financial Designs Inc3,050$8.91K0.00%−3,000−49.6%Reduced
Quantbot Technologies LP2,855$8.34K0.00%+924+47.9%Added
Tower Research Capital LLC (TRC)2,691$7.86K0.00%−2,007−42.7%Reduced
China Universal Asset Management Co., Ltd.1,619$4.73K0.00%+795+96.5%Added
Capital Analysts, LLC1,000$3.00K0.00%00.0%Unchanged
Fifth Third Bancorp1,000$2.92K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC984$2.87K0.00%00.0%Unchanged
Citigroup Inc901$2.63K0.00%−18,296−95.3%Reduced
CWM, LLC670$2.00K0.00%00.0%Unchanged
Bellevue Asset Management, LLC511$1.49K0.00%00.0%Unchanged
Daiwa Securities Group Inc.214$1.00K0.00%00.0%Unchanged
Spotlight Asset Group, Inc.330$9640.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co320$9340.00%+320New
Federation des caisses Desjardins du Quebec300$8760.00%00.0%Unchanged
Larson Financial Group LLC150$4380.00%00.0%Unchanged
Truvestments Capital LLC146$4260.00%00.0%Unchanged