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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 2021

Institutional positions in Omeros Corp as of Sep 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
142
−10 vs. Q2 2021
Shares held
30.4M
−1.78M (−5.5%) vs. Q2 2021
Total value
$417.7M
−$60.6M (−12.7%) vs. Q2 2021
New holders
9
50 more added
Sold out
19
42 more reduced

Compare with Q2 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 holdersQ3 2021: 142 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 2021: $417.7M
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 2021

Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q2 2021.

Institutions holding OMER in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,525,500$62.4M0.00%−40,747−0.9%Reduced
Ingalls & Snyder LLC4,462,517$61.5M2.85%−7,050−0.2%Reduced
Vanguard Group Inc3,285,564$45.3M0.00%−60,121−1.8%Reduced
D. E. Shaw & Co., Inc.2,080,586$28.7M0.04%−288,231−12.2%Reduced
State Street Corp1,301,462$17.9M0.00%−56,682−4.2%Reduced
Geode Capital Management, LLC1,065,474$14.7M0.00%+28,079+2.7%Added
Stifel Financial Corp1,027,045$14.2M0.02%+29,105+2.9%Added
Cormorant Asset Management, LP950,000$13.1M0.53%−250,000−20.8%Reduced
Bank of Montreal674,218$10.4M0.01%+26,085+4.0%Added
CPWM, LLC699,285$9.64M0.89%+9,223+1.3%Added
Northern Trust Corp691,749$9.54M0.00%−2,027−0.3%Reduced
Royal Bank of Canada603,632$8.32M0.00%−15,144−2.4%Reduced
UBS Group AG523,813$7.22M0.00%+35,977+7.4%Added
Charles Schwab Investment Management Inc429,988$5.93M0.00%+4,037+0.9%Added
Nomura Holdings Inc682,755$5.83M0.04%+28,986+4.4%Added
Deutsche Bank AG422,430$5.82M0.00%+8,249+2.0%Added
Bain Capital Public Equity Management II, LLC400,072$5.52M0.22%−25,693−6.0%Reduced
Falcon Edge Capital, LP337,197$4.65M0.36%−10,018−2.9%Reduced
Jacob Asset Management of New York LLC328,232$4.53M1.64%−38,568−10.5%Reduced
Credit Suisse AG314,704$4.34M0.00%+28,782+10.1%Added
Goldman Sachs Group Inc304,475$4.20M0.00%−336,844−52.5%Reduced
Susquehanna International Group, LLP240,339$3.31M0.00%+35,067+17.1%Added
Morgan Stanley238,730$3.29M0.00%−86,424−26.6%Reduced
Nuveen Asset Management, LLC202,657$3.24M0.00%−58,714−22.5%Reduced
Two Sigma Investments, LP221,799$3.06M0.01%−173,520−43.9%Reduced
Jane Street Group, LLC204,380$2.82M0.01%+63,286+44.9%Added
Bank of New York Mellon Corp203,513$2.81M0.00%+12,745+6.7%Added
Group One Trading, L.P.193,615$2.67M0.06%+30,775+18.9%Added
Millennium Management LLC192,242$2.65M0.00%−148,554−43.6%Reduced
Two Sigma Advisers, LP168,700$2.33M0.01%+36,800+27.9%Added
Bank of America Corp154,071$2.12M0.00%+35,004+29.4%Added
Ancora Advisors, LLC134,374$1.85M0.05%00.0%Unchanged
Simplex Trading, LLC117,097$1.83M0.07%+3,496+3.1%Added
Swiss National Bank130,900$1.80M0.00%+1,800+1.4%Added
Raymond James & Associates127,126$1.75M0.00%+37,220+41.4%Added
Graticule Asia Macro Advisors LLC123,000$1.70M0.32%00.0%Unchanged
Woodward Diversified Capital, LLC111,606$1.54M0.97%+9,070+8.8%Added
Brighton Jones LLC109,803$1.51M0.08%+19,000+20.9%Added
Caption Management, LLC106,054$1.46M0.10%−116,517−52.4%Reduced
United Capital Financial Advisers, LLC104,223$1.44M0.01%−2,071−1.9%Reduced
Voloridge Investment Management, LLC93,649$1.29M0.01%−99,624−51.5%Reduced
State of Wisconsin Investment Board82,800$1.14M0.00%00.0%Unchanged
California State Teachers Retirement System81,036$1.12M0.00%−2,111−2.5%Reduced
Rhumbline Advisers72,356$998.0K0.00%−2,490−3.3%Reduced
Alliancebernstein L.P.69,900$964.0K0.00%00.0%Unchanged
GWM Advisors LLC65,070$897.0K0.02%+11,057+20.5%Added
American Financial Group Inc64,113$884.0K0.23%00.0%Unchanged
Gsa Capital Partners LLP63,770$879.0K0.09%−56,170−46.8%Reduced
CAPROCK Group, Inc.56,012$772.0K0.07%00.0%Unchanged
Citadel Advisors LLC45,047$621.0K0.00%−11,759−20.7%Reduced
ExodusPoint Capital Management, LP44,982$620.0K0.01%−34,378−43.3%Reduced
UBS Asset Management Americas Inc44,793$617.7K0.00%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC43,830$605.0K0.06%+1,500+3.5%Added
Cubist Systematic Strategies, LLC43,117$595.0K0.01%−10,657−19.8%Reduced
New York State Common Retirement Fund41,542$573.0K0.00%−6,153−12.9%Reduced
Hohimer Wealth Management, LLC41,580$573.0K0.12%+2,000+5.1%Added
Cambridge Investment Research Advisors, Inc.39,794$549.0K0.00%+3,847+10.7%Added
Barclays PLC37,518$517.0K0.00%+18,227+94.5%Added
Outfitter Financial LLC37,435$516.0K0.41%+1,150+3.2%Added
Ergoteles LLC35,883$495.0K0.02%+35,883New
Tudor Investment Corp Et Al35,756$493.0K0.01%+35,756New
Occudo Quantitative Strategies LP34,721$479.0K0.06%+15,703+82.6%Added
Cerity Partners LLC34,450$475.0K0.01%+2,400+7.5%Added
HighTower Advisors, LLC34,314$472.0K0.00%+2,000+6.2%Added
American International Group, Inc.33,003$455.0K0.00%−784−2.3%Reduced
Price T Rowe Associates Inc32,655$450.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The32,441$447.0K0.00%−2,214−6.4%Reduced
Parametric Portfolio Associates LLC32,296$445.0K0.00%+1,119+3.6%Added
Cypress Capital Group32,000$441.0K0.06%00.0%Unchanged
SG Americas Securities, LLC30,088$415.0K0.00%+30,088New
Nisa Investment Advisors, LLC29,584$408.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC29,436$406.0K0.18%−2,694−8.4%Reduced
Invesco Ltd.29,006$400.0K0.00%+4,578+18.7%Added
State Board of Administration of Florida Retirement System28,843$398.0K0.00%00.0%Unchanged
Sowell Financial Services LLC27,331$377.0K0.03%+166+0.6%Added
JPMorgan Chase & Co27,024$373.0K0.00%+775+3.0%Added
HRT Financial LP26,365$363.0K0.00%+11,250+74.4%Added
Citigroup Inc26,202$361.0K0.00%+13,247+102.3%Added
IndexIQ Advisors LLC25,258$348.0K0.01%+2,530+11.1%Added
Principal Financial Group Inc24,896$343.0K0.00%+10,663+74.9%Added
Voya Investment Management LLC24,599$339.0K0.00%00.0%Unchanged
Legal & General Group Plc23,858$329.0K0.00%+11,477+92.7%Added
MetLife Investment Management23,159$319.4K0.00%00.0%Unchanged
Wells Fargo & Company22,881$316.0K0.00%−11,787−34.0%Reduced
Walleye Trading LLC22,632$312.0K0.01%+21,360+1,679.2%Added
Rocky Mountain Advisers, LLC21,635$298.0K0.36%00.0%Unchanged
ProShare Advisors LLC21,077$291.0K0.00%−5,766−21.5%Reduced
Metropolitan Life Insurance Co19,002$262.0K0.00%00.0%Unchanged
National Asset Management, Inc.18,617$257.0K0.01%+500+2.8%Added
MAI Capital Management18,400$254.0K0.00%00.0%Unchanged
Lesa Sroufe & Co17,735$245.0K0.26%00.0%Unchanged
Handelsbanken Fonder AB17,300$239.0K0.00%00.0%Unchanged
Arizona State Retirement System16,129$222.0K0.00%+208+1.3%Added
Baird Financial Group, Inc.16,100$222.0K0.00%+2,700+20.1%Added
Schonfeld Strategic Advisors LLC15,182$209.0K0.00%−4,608−23.3%Reduced
Calton & Associates, Inc.14,370$198.0K0.04%−83−0.6%Reduced
DekaBank Deutsche Girozentrale14,900$197.0K0.00%00.0%Unchanged
Apella Capital, LLC14,288$197.0K0.03%00.0%Unchanged
Wolverine Trading, LLC14,386$193.0K0.00%−2,139−12.9%Reduced
Quad-Cities Investment Group, LLC13,150$181.0K0.13%−400−3.0%Reduced