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 2025
Institutional positions in Omeros Corp as of Jun 30, 2025. 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
- 128
- −8 vs. Q1 2025
- Shares held
- 29.1M
- +1.53M (+5.5%) vs. Q1 2025
- Total value
- $87.3M
- −$139.3M (−61.5%) vs. Q1 2025
- New holders
- 17
- 45 more added
- Sold out
- 25
- 35 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 171 | $343.0M |
| Q1 2026 | 162 | $326.2M |
| Q4 2025 | 151 | $570.3M |
| Q3 2025 | 133 | $134.7M |
| Q2 2025 | 128 | $87.3M |
| Q1 2025 | 137 | $226.7M |
| Q4 2024 | 128 | $262.3M |
| Q3 2024 | 108 | $99.3M |
| Q2 2024 | 104 | $101.4M |
| Q1 2024 | 99 | $87.8M |
| Q4 2023 | 97 | $81.7M |
| Q3 2023 | 100 | $78.9M |
| Q2 2023 | 103 | $142.8M |
| Q1 2023 | 91 | $94.9M |
| Q4 2022 | 98 | $44.4M |
| Q3 2022 | 94 | $64.7M |
| Q2 2022 | 102 | $66.0M |
| Q1 2022 | 129 | $173.2M |
| Q4 2021 | 139 | $202.2M |
| Q3 2021 | 142 | $417.7M |
| Q2 2021 | 152 | $478.4M |
| Q1 2021 | 152 | $618.6M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,050,973 | $12.2M | 0.00% | −332,144−7.6% | Reduced |
| Ingalls & Snyder LLC | 3,982,913 | $11.9M | 0.43% | +5,100+0.1% | Added |
| Vanguard Group Inc | 3,283,577 | $9.85M | 0.00% | +46,321+1.4% | Added |
| D. E. Shaw & Co., Inc. | 1,647,426 | $4.94M | 0.00% | −291,102−15.0% | Reduced |
| Stifel Financial Corp | 1,522,890 | $4.57M | 0.00% | −33,759−2.2% | Reduced |
| Geode Capital Management, LLC | 1,369,871 | $4.11M | 0.00% | +739+0.1% | Added |
| Morgan Stanley | 1,355,559 | $4.07M | 0.00% | +595,199+78.3% | Added |
| State Street Corp | 1,200,126 | $3.60M | 0.00% | −156,012−11.5% | Reduced |
| UBS Group AG | 868,500 | $2.61M | 0.00% | +207,843+31.5% | Added |
| Marshall Wace, LLP | 741,376 | $2.22M | 0.00% | +97,224+15.1% | Added |
| Two Sigma Investments, LP | 670,219 | $2.01M | 0.00% | +564,580+534.4% | Added |
| Bank of Montreal | 571,095 | $1.71M | 0.00% | +8,000+1.4% | Added |
| CI Private Wealth, LLC | 530,614 | $1.59M | 0.00% | −189,808−26.3% | Reduced |
| DeepCurrents Investment Group LLC | 528,129 | $1.58M | 0.06% | +528,129 | New |
| Royal Bank of Canada | 504,068 | $1.51M | 0.00% | +4,745+1.0% | Added |
| Northern Trust Corp | 484,768 | $1.45M | 0.00% | +1330.0% | Added |
| Charles Schwab Investment Management Inc | 479,679 | $1.44M | 0.00% | +15,797+3.4% | Added |
| Two Sigma Advisers, LP | 422,800 | $1.27M | 0.00% | +407,300+2,627.7% | Added |
| Renaissance Technologies LLC | 382,700 | $1.15M | 0.00% | +382,700 | New |
| Millennium Management LLC | 269,421 | $808.3K | 0.00% | −45,831−14.5% | Reduced |
| Goldman Sachs Group Inc | 253,964 | $761.9K | 0.00% | +72,809+40.2% | Added |
| Bank of America Corp | 250,959 | $752.9K | 0.00% | +138,759+123.7% | Added |
| Wellington Management Group LLP | 163,413 | $490.2K | 0.00% | +27,411+20.2% | Added |
| Citadel Advisors LLC | 157,710 | $473.1K | 0.00% | −15,316−8.9% | Reduced |
| Bank of New York Mellon Corp | 147,882 | $443.6K | 0.00% | −3,180−2.1% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 142,058 | $426.2K | 0.01% | +142,058 | New |
| Barclays PLC | 124,831 | $374.5K | 0.00% | +43,490+53.5% | Added |
| Wells Fargo & Company | 122,387 | $367.2K | 0.00% | +76,181+164.9% | Added |
| Badgley Phelps Wealth Managers, LLC | 121,438 | $364.3K | 0.01% | −124,296−50.6% | Reduced |
| Group One Trading, L.P. | 118,989 | $357.0K | 0.01% | +89,422+302.4% | Added |
| Invesco Ltd. | 116,688 | $350.1K | 0.00% | +29,644+34.1% | Added |
| Ameriprise Financial Inc | 116,536 | $349.6K | 0.00% | −3,941−3.3% | Reduced |
| Susquehanna International Group, LLP | 116,126 | $348.4K | 0.00% | −99,848−46.2% | Reduced |
| Brevan Howard Capital Management LP | 105,299 | $315.9K | 0.00% | +105,299 | New |
| Graham Capital Management, L.P. | 100,558 | $301.7K | 0.01% | +61,231+155.7% | Added |
| Rhumbline Advisers | 98,825 | $296.5K | 0.00% | −8,772−8.2% | Reduced |
| Newbridge Financial Services Group, Inc. | 93,420 | $280.3K | 0.05% | +93,420 | New |
| Squarepoint Ops LLC | 88,475 | $265.4K | 0.00% | +64,571+270.1% | Added |
| Nomura Holdings Inc | 88,469 | $265.4K | 0.00% | −590,551−87.0% | Reduced |
| Nuveen, LLC | 87,618 | $262.9K | 0.00% | −26,439−23.2% | Reduced |
| Jane Street Group, LLC | 85,382 | $256.1K | 0.00% | −55,718−39.5% | Reduced |
| Price T Rowe Associates Inc | 76,791 | $231.0K | 0.00% | +1,287+1.7% | Added |
| HighTower Advisors, LLC | 69,184 | $207.6K | 0.00% | +8,845+14.7% | Added |
| Alliancebernstein L.P. | 67,590 | $202.8K | 0.00% | +16,600+32.6% | Added |
| American Financial Group Inc | 64,113 | $192.3K | 0.07% | 00.0% | Unchanged |
| XTX Topco Ltd | 63,777 | $191.3K | 0.01% | +63,777 | New |
| Mindset Wealth Management, LLC | 60,000 | $180.0K | 0.06% | −3,000−4.8% | Reduced |
| MML Investors Services, LLC | 49,575 | $149.0K | 0.00% | +19,750+66.2% | Added |
| Skopos Labs, Inc. | 49,197 | $147.6K | 0.02% | +49,197 | New |
| Cypress Capital Group | 42,000 | $126.0K | 0.02% | +7,200+20.7% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 40,500 | $121.5K | 0.00% | +10,500+35.0% | Added |
| Corton Capital Inc. | 38,967 | $116.9K | 0.14% | +38,967 | New |
| Gsa Capital Partners LLP | 38,132 | $114.0K | 0.01% | +38,132 | New |
| Sanctuary Advisors, LLC | 35,515 | $106.5K | 0.00% | +35,515 | New |
| Deutsche Bank AG | 35,096 | $105.3K | 0.00% | −6,923−16.5% | Reduced |
| Comerica Bank | 35,000 | $105.0K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 34,108 | $102.3K | 0.00% | +7,538+28.4% | Added |
| MetLife Investment Management | 33,987 | $102.0K | 0.00% | 00.0% | Unchanged |
| Stordahl Capital Management, Inc. | 32,656 | $98.0K | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 31,985 | $96.0K | 0.00% | −3,791−10.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 31,831 | $95.5K | 0.00% | −1,404−4.2% | Reduced |
| Bridgeway Capital Management, LLC | 31,715 | $95.1K | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 30,777 | $92.3K | 0.00% | +63+0.2% | Added |
| Cerity Partners LLC | 28,651 | $86.0K | 0.00% | +10.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 26,156 | $83.7K | 0.00% | −44,242−62.8% | Reduced |
| Coldstream Capital Management Inc | 26,830 | $80.5K | 0.00% | −120.0% | Reduced |
| BNP Paribas Arbitrage, SA | 25,272 | $75.8K | 0.00% | +21,376+548.7% | Added |
| Citigroup Inc | 22,689 | $68.1K | 0.00% | −27,425−54.7% | Reduced |
| SG Americas Securities, LLC | 22,701 | $68.0K | 0.00% | −6,110−21.2% | Reduced |
| Manufacturers Life Insurance Company, The | 20,560 | $61.7K | 0.00% | +558+2.8% | Added |
| Wolverine Trading, LLC | 17,487 | $56.0K | 0.00% | +17,487 | New |
| State Board of Administration of Florida Retirement System | 17,430 | $52.3K | 0.00% | 00.0% | Unchanged |
| SPC Financial, Inc. | 17,400 | $52.2K | 0.00% | 00.0% | Unchanged |
| Breakwater Investment Management | 17,048 | $51.1K | 0.02% | 00.0% | Unchanged |
| Voya Investment Management LLC | 15,916 | $47.7K | 0.00% | +249+1.6% | Added |
| International Assets Investment Management, LLC | 15,550 | $46.6K | 0.00% | +15,550 | New |
| Cambridge Investment Research Advisors, Inc. | 15,418 | $46.0K | 0.00% | +4,319+38.9% | Added |
| Apella Capital, LLC | 14,288 | $44.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 13,862 | $41.6K | 0.00% | −20,838−60.1% | Reduced |
| ProShare Advisors LLC | 13,760 | $41.3K | 0.00% | −961−6.5% | Reduced |
| Harbour Investments, Inc. | 13,469 | $40.4K | 0.00% | +4,251+46.1% | Added |
| SEI Investments Co | 13,416 | $40.3K | 0.00% | +1,344+11.1% | Added |
| Tower Research Capital LLC (TRC) | 13,414 | $40.2K | 0.00% | +11,971+829.6% | Added |
| Atom Investors LP | 12,133 | $36.4K | 0.00% | +12,133 | New |
| China Universal Asset Management Co., Ltd. | 11,768 | $35.3K | 0.00% | +144+1.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,722 | $35.2K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 11,640 | $34.9K | 0.00% | −1,700−12.7% | Reduced |
| HSBC Holdings PLC | 11,181 | $34.8K | 0.00% | −5,957−34.8% | Reduced |
| New York State Common Retirement Fund | 11,413 | $34.2K | 0.00% | 00.0% | Unchanged |
| National Asset Management, Inc. | 10,760 | $32.3K | 0.00% | 00.0% | Unchanged |
| Sowell Financial Services LLC | 10,750 | $32.3K | 0.00% | 00.0% | Unchanged |
| Avantax Planning Partners, Inc. | 10,100 | $30.3K | 0.00% | +10,100 | New |
| Raymond James Financial Inc | 9,781 | $29.3K | 0.00% | −2,768−22.1% | Reduced |
| Farther Finance Advisors, LLC | 7,497 | $22.5K | 0.00% | +1,453+24.0% | Added |
| Legal & General Group Plc | 6,100 | $18.3K | 0.00% | +643+11.8% | Added |
| Ancora Advisors, LLC | 5,800 | $17.4K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,332 | $16.0K | 0.00% | −155,936−96.7% | Reduced |
| Ameritas Investment Partners, Inc. | 5,027 | $15.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 5,018 | $15.1K | 0.00% | +4,079+434.4% | Added |
| California State Teachers Retirement System | 4,053 | $12.2K | 0.00% | 00.0% | Unchanged |