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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, Q2 2021

Institutional positions in Omeros Corp as of Jun 30, 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
0 vs. Q1 2021
Shares held
32.2M
−2.55M (−7.3%) vs. Q1 2021
Total value
$478.4M
−$140.2M (−22.7%) vs. Q1 2021
New holders
20
57 more added
Sold out
20
39 more reduced

Compare with Q1 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 holdersQ2 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 heldQ2 2021: $478.4M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q1 2021.

Institutions holding OMER in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,566,247$67.8M0.00%−494,208−9.8%Reduced
Ingalls & Snyder LLC4,469,567$66.3M2.97%+149,775+3.5%Added
Vanguard Group Inc3,345,685$49.6M0.00%−1710.0%Reduced
D. E. Shaw & Co., Inc.2,368,817$35.2M0.04%−343,143−12.7%Reduced
State Street Corp1,358,144$20.2M0.00%+64,843+5.0%Added
Cormorant Asset Management, LP1,200,000$17.8M0.69%−2,100,030−63.6%Reduced
Geode Capital Management, LLC1,037,395$15.4M0.00%+42,480+4.3%Added
Stifel Financial Corp997,940$14.8M0.02%+44,929+4.7%Added
Northern Trust Corp693,776$10.3M0.00%+3,990+0.6%Added
CPWM, LLC690,062$10.2M0.77%+23,485+3.5%Added
Bank of Montreal648,133$9.96M0.01%+57,156+9.7%Added
Nomura Holdings Inc653,769$9.74M0.08%+84,992+14.9%Added
Goldman Sachs Group Inc641,319$9.52M0.00%−164,175−20.4%Reduced
Royal Bank of Canada618,776$9.18M0.00%+191,610+44.9%Added
UBS Group AG487,836$7.24M0.00%+8,213+1.7%Added
Charles Schwab Investment Management Inc425,951$6.32M0.00%+9,326+2.2%Added
Bain Capital Public Equity Management II, LLC425,765$6.32M0.27%−264,550−38.3%Reduced
Deutsche Bank AG414,181$6.15M0.00%+191,881+86.3%Added
Two Sigma Investments, LP395,319$5.87M0.02%+110,918+39.0%Added
Jacob Asset Management of New York LLC366,800$5.44M1.80%+138,000+60.3%Added
Falcon Edge Capital, LP347,215$5.15M0.33%−14,325−4.0%Reduced
Millennium Management LLC340,796$5.06M0.01%+172,702+102.7%Added
Morgan Stanley325,154$4.83M0.00%+60,823+23.0%Added
Credit Suisse AG285,922$4.24M0.00%+20,810+7.8%Added
Nuveen Asset Management, LLC261,371$3.88M0.00%−240,188−47.9%Reduced
Caption Management, LLC222,571$3.30M0.30%+36,754+19.8%Added
Susquehanna International Group, LLP205,272$3.05M0.00%+35,084+20.6%Added
Renaissance Technologies LLC197,035$2.92M0.00%+197,035New
Voloridge Investment Management, LLC193,273$2.87M0.02%+8,765+4.8%Added
Bank of New York Mellon Corp190,768$2.83M0.00%−36,048−15.9%Reduced
Group One Trading, L.P.162,840$2.42M0.05%−10,406−6.0%Reduced
Jane Street Group, LLC141,094$2.09M0.01%+96,834+218.8%Added
Ancora Advisors, LLC134,374$1.99M0.05%+134,374New
Two Sigma Advisers, LP131,900$1.96M0.01%+65,000+97.2%Added
Swiss National Bank129,100$1.92M0.00%+2,300+1.8%Added
Graticule Asia Macro Advisors LLC123,000$1.82M0.55%00.0%Unchanged
Gsa Capital Partners LLP119,940$1.78M0.20%+119,940New
Bank of America Corp119,067$1.77M0.00%−137,567−53.6%Reduced
Simplex Trading, LLC113,601$1.69M0.06%+66,209+139.7%Added
United Capital Financial Advisers, LLC106,294$1.58M0.01%00.0%Unchanged
Woodward Diversified Capital, LLC102,536$1.52M0.87%+46,900+84.3%Added
Brighton Jones LLC90,803$1.35M0.07%−5,500−5.7%Reduced
Raymond James & Associates89,906$1.33M0.00%+8,100+9.9%Added
California State Teachers Retirement System83,147$1.23M0.00%−5,970−6.7%Reduced
State of Wisconsin Investment Board82,800$1.23M0.00%00.0%Unchanged
ExodusPoint Capital Management, LP79,360$1.18M0.02%+57,305+259.8%Added
Rhumbline Advisers74,846$1.11M0.00%+5,629+8.1%Added
SG3 Management, LLC70,500$1.05M0.45%−69,500−49.6%Reduced
Alliancebernstein L.P.69,900$1.04M0.00%00.0%Unchanged
American Financial Group Inc64,113$951.0K0.24%00.0%Unchanged
Citadel Advisors LLC56,806$843.0K0.00%−19,132−25.2%Reduced
CAPROCK Group, Inc.56,012$831.0K0.08%00.0%Unchanged
GWM Advisors LLC54,013$802.0K0.02%+43,113+395.5%Added
Cubist Systematic Strategies, LLC53,774$798.0K0.01%+19,687+57.8%Added
New York State Common Retirement Fund47,695$708.0K0.00%−6,405−11.8%Reduced
UBS Asset Management Americas Inc44,793$664.7K0.00%+6,887+18.2%Added
Sheaff Brock Investment Advisors, LLC42,330$628.0K0.06%+19,000+81.4%Added
Hohimer Wealth Management, LLC39,580$587.0K0.12%−50−0.1%Reduced
Jump Financial, LLC38,492$571.0K0.06%+38,492New
Outfitter Financial LLC36,285$538.0K0.41%+3,680+11.3%Added
Cowen and Company, LLC36,258$538.0K0.03%+15,223+72.4%Added
Cambridge Investment Research Advisors, Inc.35,947$533.0K0.00%+6,000+20.0%Added
Wells Fargo & Company34,668$515.0K0.00%−3,645−9.5%Reduced
Manufacturers Life Insurance Company, The34,655$514.0K0.00%+930+2.8%Added
American International Group, Inc.33,787$501.0K0.00%−658−1.9%Reduced
Price T Rowe Associates Inc32,655$485.0K0.00%−1,391−4.1%Reduced
HighTower Advisors, LLC32,314$481.0K0.00%−93−0.3%Reduced
Virtus ETF Advisers LLC32,130$477.0K0.20%−9,070−22.0%Reduced
Cerity Partners LLC32,050$476.0K0.01%+1,400+4.6%Added
Cypress Capital Group32,000$475.0K0.06%00.0%Unchanged
First Trust Advisors LP31,929$474.0K0.00%+31,929New
Parametric Portfolio Associates LLC31,177$463.0K0.00%+1,340+4.5%Added
Trexquant Investment LP30,380$451.0K0.04%+11,816+63.7%Added
Nisa Investment Advisors, LLC29,584$439.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System28,843$428.0K0.00%+866+3.1%Added
Federated Hermes, Inc.27,257$404.0K0.00%−269,513−90.8%Reduced
Sowell Financial Services LLC27,165$403.0K0.03%00.0%Unchanged
ProShare Advisors LLC26,843$398.0K0.00%+2,518+10.4%Added
JPMorgan Chase & Co26,249$390.0K0.00%+3,974+17.8%Added
Lazard Asset Management LLC25,604$379.0K0.00%−21,387−45.5%Reduced
Voya Investment Management LLC24,599$365.0K0.00%−2,133−8.0%Reduced
Invesco Ltd.24,428$363.0K0.00%+9,282+61.3%Added
MetLife Investment Management23,159$343.7K0.00%00.0%Unchanged
IndexIQ Advisors LLC22,728$337.0K0.01%+128+0.6%Added
Rocky Mountain Advisers, LLC21,635$321.0K0.40%+2,750+14.6%Added
Qube Research & Technologies Ltd20,959$311.0K0.00%+6,127+41.3%Added
Schonfeld Strategic Advisors LLC19,790$293.0K0.00%+8,573+76.4%Added
PDT Partners, LLC19,400$288.0K0.02%+19,400New
Barclays PLC19,291$286.0K0.00%−39,276−67.1%Reduced
Occudo Quantitative Strategies LP19,018$282.0K0.04%−3,493−15.5%Reduced
Metropolitan Life Insurance Co19,002$282.0K0.00%+764+4.2%Added
Squarepoint Ops LLC18,857$280.0K0.00%+18,857New
MAI Capital Management18,400$273.0K0.01%00.0%Unchanged
National Asset Management, Inc.18,117$269.0K0.01%+1,883+11.6%Added
Lesa Sroufe & Co17,735$263.0K0.26%00.0%Unchanged
Handelsbanken Fonder AB17,300$257.0K0.00%+2,300+15.3%Added
Wolverine Trading, LLC16,525$249.0K0.01%−341−2.0%Reduced
Arizona State Retirement System15,921$236.0K0.00%−231−1.4%Reduced
HRT Financial LP15,115$224.0K0.00%+15,115New
DekaBank Deutsche Girozentrale14,900$219.0K0.00%00.0%Unchanged