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, 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
CAPROCK Group, Inc.56,012$831.0K0.08%00.0%Unchanged
Citadel Advisors LLC56,806$843.0K0.00%−19,132−25.2%Reduced
American Financial Group Inc64,113$951.0K0.24%00.0%Unchanged
Alliancebernstein L.P.69,900$1.04M0.00%00.0%Unchanged
SG3 Management, LLC70,500$1.05M0.45%−69,500−49.6%Reduced
Rhumbline Advisers74,846$1.11M0.00%+5,629+8.1%Added
ExodusPoint Capital Management, LP79,360$1.18M0.02%+57,305+259.8%Added
State of Wisconsin Investment Board82,800$1.23M0.00%00.0%Unchanged
California State Teachers Retirement System83,147$1.23M0.00%−5,970−6.7%Reduced
Raymond James & Associates89,906$1.33M0.00%+8,100+9.9%Added
Brighton Jones LLC90,803$1.35M0.07%−5,500−5.7%Reduced
Woodward Diversified Capital, LLC102,536$1.52M0.87%+46,900+84.3%Added
United Capital Financial Advisers, LLC106,294$1.58M0.01%00.0%Unchanged
Simplex Trading, LLC113,601$1.69M0.06%+66,209+139.7%Added
Bank of America Corp119,067$1.77M0.00%−137,567−53.6%Reduced
Gsa Capital Partners LLP119,940$1.78M0.20%+119,940New
Graticule Asia Macro Advisors LLC123,000$1.82M0.55%00.0%Unchanged
Swiss National Bank129,100$1.92M0.00%+2,300+1.8%Added
Two Sigma Advisers, LP131,900$1.96M0.01%+65,000+97.2%Added
Ancora Advisors, LLC134,374$1.99M0.05%+134,374New
Jane Street Group, LLC141,094$2.09M0.01%+96,834+218.8%Added
Group One Trading, L.P.162,840$2.42M0.05%−10,406−6.0%Reduced
Bank of New York Mellon Corp190,768$2.83M0.00%−36,048−15.9%Reduced
Voloridge Investment Management, LLC193,273$2.87M0.02%+8,765+4.8%Added
Renaissance Technologies LLC197,035$2.92M0.00%+197,035New
Susquehanna International Group, LLP205,272$3.05M0.00%+35,084+20.6%Added
Caption Management, LLC222,571$3.30M0.30%+36,754+19.8%Added
Nuveen Asset Management, LLC261,371$3.88M0.00%−240,188−47.9%Reduced
Credit Suisse AG285,922$4.24M0.00%+20,810+7.8%Added
Morgan Stanley325,154$4.83M0.00%+60,823+23.0%Added
Millennium Management LLC340,796$5.06M0.01%+172,702+102.7%Added
Falcon Edge Capital, LP347,215$5.15M0.33%−14,325−4.0%Reduced
Jacob Asset Management of New York LLC366,800$5.44M1.80%+138,000+60.3%Added
Two Sigma Investments, LP395,319$5.87M0.02%+110,918+39.0%Added
Deutsche Bank AG414,181$6.15M0.00%+191,881+86.3%Added
Bain Capital Public Equity Management II, LLC425,765$6.32M0.27%−264,550−38.3%Reduced
Charles Schwab Investment Management Inc425,951$6.32M0.00%+9,326+2.2%Added
UBS Group AG487,836$7.24M0.00%+8,213+1.7%Added
Royal Bank of Canada618,776$9.18M0.00%+191,610+44.9%Added
Goldman Sachs Group Inc641,319$9.52M0.00%−164,175−20.4%Reduced
Nomura Holdings Inc653,769$9.74M0.08%+84,992+14.9%Added
Bank of Montreal648,133$9.96M0.01%+57,156+9.7%Added
CPWM, LLC690,062$10.2M0.77%+23,485+3.5%Added
Northern Trust Corp693,776$10.3M0.00%+3,990+0.6%Added
Stifel Financial Corp997,940$14.8M0.02%+44,929+4.7%Added
Geode Capital Management, LLC1,037,395$15.4M0.00%+42,480+4.3%Added
Cormorant Asset Management, LP1,200,000$17.8M0.69%−2,100,030−63.6%Reduced
State Street Corp1,358,144$20.2M0.00%+64,843+5.0%Added
D. E. Shaw & Co., Inc.2,368,817$35.2M0.04%−343,143−12.7%Reduced
Vanguard Group Inc3,345,685$49.6M0.00%−1710.0%Reduced
Ingalls & Snyder LLC4,469,567$66.3M2.97%+149,775+3.5%Added
BlackRock Inc.4,566,247$67.8M0.00%−494,208−9.8%Reduced
Marshall Wace North America L.P.0$00.00%−476,969−100.0%Sold out
California Public Employees Retirement System0$00.00%−120,200−100.0%Sold out
Marshall Wace, LLP0$00.00%−57,257−100.0%Sold out
HealthCor Management, L.P.0$00.00%−50,000−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−41,652−100.0%Sold out
Parametrica Management Ltd0$00.00%−36,805−100.0%Sold out
D.A. Davidson & Co.0$00.00%−29,750−100.0%Sold out
Maven Securities LTD0$00.00%−19,159−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−13,014−100.0%Sold out
Caxton Associates LP0$00.00%−12,737−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−12,779−100.0%Sold out
SG Americas Securities, LLC0$00.00%−12,325−100.0%Sold out
Miramar Capital, LLC0$00.00%−11,815−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−5,016−100.0%Sold out
Lenox Wealth Advisors, LLC0$00.00%−1,500−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−1,300−100.0%Sold out
Private Ocean, LLC0$00.00%−1,250−100.0%Sold out
Raffa Wealth Management, LLC0$00.00%−1,071−100.0%Sold out
Valeo Financial Advisors, LLC0$00.00%−1,000−100.0%Sold out
Certified Advisory Corp0$00.00%−121−100.0%Sold out