Skip to main content

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 2022

Institutional positions in Omeros Corp as of Mar 31, 2022. 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
129
−9 vs. Q4 2021
Shares held
28.8M
−1.82M (−6.0%) vs. Q4 2021
Total value
$173.2M
−$29.0M (−14.3%) vs. Q4 2021
New holders
16
34 more added
Sold out
25
49 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 129 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 2022: $173.2M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q4 2021.

Institutions holding OMER in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ingalls & Snyder LLC4,205,090$25.3M1.14%−118,137−2.7%Reduced
BlackRock Inc.4,065,401$24.4M0.00%+15,373+0.4%Added
Vanguard Group Inc3,434,697$20.6M0.00%+76,869+2.3%Added
D. E. Shaw & Co., Inc.1,836,487$11.0M0.01%−76,834−4.0%Reduced
State Street Corp1,412,609$8.49M0.00%+38,498+2.8%Added
Stifel Financial Corp1,193,733$7.17M0.01%+228,430+23.7%Added
Geode Capital Management, LLC1,110,107$6.67M0.00%+17,274+1.6%Added
CPWM, LLC772,127$4.64M0.33%+72,842+10.4%Added
Morgan Stanley685,009$4.12M0.00%−379,682−35.7%Reduced
Bank of Montreal612,617$3.91M0.00%+43,622+7.7%Added
Northern Trust Corp648,187$3.90M0.00%−23,563−3.5%Reduced
Nomura Holdings Inc641,429$3.88M0.03%−19,293−2.9%Reduced
Royal Bank of Canada600,108$3.61M0.00%−5,467−0.9%Reduced
UBS Group AG544,520$3.27M0.00%+753+0.1%Added
Charles Schwab Investment Management Inc456,892$2.75M0.00%+20,524+4.7%Added
Millennium Management LLC423,748$2.55M0.00%−746,755−63.8%Reduced
Renaissance Technologies LLC293,600$1.76M0.00%+214,200+269.8%Added
Voloridge Investment Management, LLC264,821$1.59M0.01%−31,917−10.8%Reduced
Cubist Systematic Strategies, LLC257,343$1.55M0.01%−16,710−6.1%Reduced
Citadel Advisors LLC246,816$1.48M0.00%+246,816New
Two Sigma Investments, LP226,787$1.36M0.00%−321,531−58.6%Reduced
Credit Suisse AG223,715$1.34M0.00%−47,303−17.5%Reduced
Bank of New York Mellon Corp205,160$1.23M0.00%+5,938+3.0%Added
Goldman Sachs Group Inc200,235$1.20M0.00%−4,051−2.0%Reduced
Wellington Management Group LLP199,600$1.20M0.00%+29,814+17.6%Added
Bank of America Corp194,661$1.17M0.00%−130,270−40.1%Reduced
Nuveen Asset Management, LLC188,343$1.14M0.00%+2,227+1.2%Added
PDT Partners, LLC164,908$991.0K0.09%+164,908New
Deutsche Bank AG163,623$983.0K0.00%−4,480−2.7%Reduced
Susquehanna International Group, LLP161,322$970.0K0.00%−123,130−43.3%Reduced
Tudor Investment Corp Et Al158,905$955.0K0.02%+14,570+10.1%Added
Marshall Wace, LLP151,797$912.0K0.00%+151,797New
Swiss National Bank140,500$844.0K0.00%+9,600+7.3%Added
Raymond James & Associates115,218$692.0K0.00%−22,600−16.4%Reduced
Jacob Asset Management of New York LLC114,910$691.0K0.42%−51,013−30.7%Reduced
Ancora Advisors, LLC111,462$670.0K0.02%−34,325−23.5%Reduced
Two Sigma Advisers, LP107,200$644.0K0.00%−18,900−15.0%Reduced
United Capital Financial Advisers, LLC104,233$626.0K0.00%+100.0%Added
BNP Paribas Arbitrage, SA97,288$584.7K0.00%−48,723−33.4%Reduced
Group One Trading, L.P.95,824$576.0K0.01%−178,821−65.1%Reduced
California State Teachers Retirement System80,899$486.0K0.00%−1,809−2.2%Reduced
State of Wisconsin Investment Board80,500$484.0K0.00%+80,500New
Rhumbline Advisers72,153$434.0K0.00%+958+1.3%Added
Alliancebernstein L.P.70,000$421.0K0.00%+100+0.1%Added
American Financial Group Inc64,113$385.0K0.12%00.0%Unchanged
CAPROCK Group, Inc.60,812$365.0K0.03%00.0%Unchanged
Jump Financial, LLC57,400$345.0K0.01%+57,400New
Sheaff Brock Investment Advisors, LLC49,580$298.0K0.03%+2,000+4.2%Added
Corton Capital Inc.46,949$282.0K0.12%+46,949New
UBS Asset Management Americas Inc44,932$270.0K0.00%00.0%Unchanged
Lazard Asset Management LLC43,192$259.0K0.00%+4,286+11.0%Added
Occudo Quantitative Strategies LP41,728$251.0K0.02%−25,101−37.6%Reduced
New York State Common Retirement Fund41,436$249.0K0.00%+38+0.1%Added
Wolverine Asset Management LLC41,112$247.0K0.00%00.0%Unchanged
Legal & General Group Plc39,902$240.0K0.00%00.0%Unchanged
Hohimer Wealth Management, LLC39,280$236.0K0.05%−10,000−20.3%Reduced
Brighton Jones LLC39,003$234.0K0.01%−2,500−6.0%Reduced
Schonfeld Strategic Advisors LLC37,700$227.0K0.00%+17,400+85.7%Added
HighTower Advisors, LLC37,089$223.0K0.00%+1,475+4.1%Added
Cypress Capital Group37,000$222.0K0.03%+5,000+15.6%Added
Rocky Mountain Advisers, LLC36,255$218.0K0.24%−150−0.4%Reduced
JPMorgan Chase & Co35,720$215.0K0.00%+6,483+22.2%Added
Trexquant Investment LP35,191$211.0K0.01%+35,191New
Cerity Partners LLC34,450$207.0K0.00%00.0%Unchanged
Jane Street Group, LLC34,131$205.0K0.00%−144,218−80.9%Reduced
Delphia (USA) Inc.32,511$195.0K0.15%+32,511New
American International Group, Inc.29,937$180.0K0.00%−2,107−6.6%Reduced
MetLife Investment Management28,967$174.1K0.00%+16,862+139.3%Added
State Board of Administration of Florida Retirement System29,029$174.0K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.28,037$169.0K0.00%−6,547−18.9%Reduced
Invesco Ltd.26,814$161.0K0.00%−81−0.3%Reduced
Baird Financial Group, Inc.26,700$160.0K0.00%−400−1.5%Reduced
Manufacturers Life Insurance Company, The26,191$157.4K0.00%−6,793−20.6%Reduced
Voya Investment Management LLC24,101$145.0K0.00%00.0%Unchanged
Price T Rowe Associates Inc22,855$137.0K0.00%+8,300+57.0%Added
Barclays PLC21,049$127.0K0.00%−78,167−78.8%Reduced
Parametric Portfolio Associates LLC20,449$123.0K0.00%−7,071−25.7%Reduced
Vident Investment Advisory, LLC20,007$120.0K0.00%−4,087−17.0%Reduced
Ensign Peak Advisors, Inc19,360$116.0K0.00%00.0%Unchanged
MAI Capital Management18,400$111.0K0.00%00.0%Unchanged
Coldstream Capital Management Inc17,978$108.0K0.00%−1,549−7.9%Reduced
ProShare Advisors LLC17,779$106.0K0.00%−4,205−19.1%Reduced
Lesa Sroufe & Co17,735$106.0K0.11%00.0%Unchanged
Wells Fargo & Company17,371$105.0K0.00%−20,711−54.4%Reduced
Ergoteles LLC17,248$104.0K0.00%−17,635−50.6%Reduced
Walleye Trading LLC17,034$102.0K0.00%−6,291−27.0%Reduced
Arizona State Retirement System16,061$97.0K0.00%+82+0.5%Added
Bellevue Asset Management, LLC15,811$97.0K0.06%00.0%Unchanged
Calton & Associates, Inc.15,889$95.0K0.03%+1,786+12.7%Added
National Asset Management, Inc.15,568$94.0K0.00%−3,233−17.2%Reduced
Apella Capital, LLC14,288$86.0K0.01%00.0%Unchanged
Citigroup Inc13,137$79.0K0.00%−8,575−39.5%Reduced
Teacher Retirement System of Texas12,295$74.0K0.00%+883+7.7%Added
Roanoke Asset Management Corp12,000$72.0K0.03%+12,000New
Janus Henderson Group PLC11,905$71.0K0.00%+11,905New
Creative Planning11,270$68.0K0.00%00.0%Unchanged
Principal Financial Group Inc11,038$66.0K0.00%+783+7.6%Added
Mirae Asset Global Investments Co., Ltd.10,838$65.0K0.00%−858−7.3%Reduced
Raymond James Financial Services Advisors, Inc.10,468$63.0K0.00%−3,600−25.6%Reduced
Quad-Cities Investment Group, LLC10,200$61.0K0.04%+10,200New