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 |
|---|---|---|---|---|---|
| Quest Partners LLC | 1 | $3 | 0.00% | −15,686−100.0% | Reduced |
| Ameritas Advisory Services, LLC | 31 | $93 | 0.00% | +31 | New |
| Rocky Mountain Advisers, LLC | 50 | $150 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 0 | $183 | 0.00% | 0 | New |
| US Bancorp | 100 | $300 | 0.00% | +83+488.2% | Added |
| Caitong International Asset Management Co., Ltd | 104 | $312 | 0.00% | −469−81.8% | Reduced |
| Larson Financial Group LLC | 150 | $450 | 0.00% | −100−40.0% | Reduced |
| EverSource Wealth Advisors, LLC | 183 | $549 | 0.00% | +160+695.7% | Added |
| SBI Securities Co., Ltd. | 208 | $624 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 293 | $879 | 0.00% | −363−55.3% | Reduced |
| CBIZ Investment Advisory Services, LLC | 300 | $900 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $900 | 0.00% | 00.0% | Unchanged |
| Pandora Wealth, Inc. | 330 | $990 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 191 | $1.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 653 | $1.96K | 0.00% | +340+108.6% | Added |
| CWM, LLC | 609 | $2.00K | 0.00% | −1,563−72.0% | Reduced |
| Fifth Third Bancorp | 1,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 1,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,358 | $4.07K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 1,369 | $4.11K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,483 | $4.45K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,587 | $4.76K | 0.00% | −1,205−43.2% | Reduced |
| Strategic Investment Solutions, Inc. | 1,825 | $5.47K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,052 | $6.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,263 | $6.79K | 0.00% | +324+16.7% | Added |
| Walleye Capital LLC | 2,285 | $6.86K | 0.00% | +2,285 | New |
| Truvestments Capital LLC | 3,102 | $9.31K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 4,053 | $12.2K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 5,018 | $15.1K | 0.00% | +4,079+434.4% | Added |
| Ameritas Investment Partners, Inc. | 5,027 | $15.1K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,332 | $16.0K | 0.00% | −155,936−96.7% | Reduced |
| Ancora Advisors, LLC | 5,800 | $17.4K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 6,100 | $18.3K | 0.00% | +643+11.8% | Added |
| Farther Finance Advisors, LLC | 7,497 | $22.5K | 0.00% | +1,453+24.0% | Added |
| Raymond James Financial Inc | 9,781 | $29.3K | 0.00% | −2,768−22.1% | Reduced |
| Avantax Planning Partners, Inc. | 10,100 | $30.3K | 0.00% | +10,100 | New |
| Sowell Financial Services LLC | 10,750 | $32.3K | 0.00% | 00.0% | Unchanged |
| National Asset Management, Inc. | 10,760 | $32.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 11,413 | $34.2K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 11,181 | $34.8K | 0.00% | −5,957−34.8% | Reduced |
| FMR LLC | 11,640 | $34.9K | 0.00% | −1,700−12.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,722 | $35.2K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,768 | $35.3K | 0.00% | +144+1.2% | Added |
| Atom Investors LP | 12,133 | $36.4K | 0.00% | +12,133 | New |
| Tower Research Capital LLC (TRC) | 13,414 | $40.2K | 0.00% | +11,971+829.6% | Added |
| SEI Investments Co | 13,416 | $40.3K | 0.00% | +1,344+11.1% | Added |
| Harbour Investments, Inc. | 13,469 | $40.4K | 0.00% | +4,251+46.1% | Added |
| ProShare Advisors LLC | 13,760 | $41.3K | 0.00% | −961−6.5% | Reduced |
| AQR Capital Management LLC | 13,862 | $41.6K | 0.00% | −20,838−60.1% | Reduced |
| Apella Capital, LLC | 14,288 | $44.0K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 15,418 | $46.0K | 0.00% | +4,319+38.9% | Added |
| International Assets Investment Management, LLC | 15,550 | $46.6K | 0.00% | +15,550 | New |
| Voya Investment Management LLC | 15,916 | $47.7K | 0.00% | +249+1.6% | Added |
| Breakwater Investment Management | 17,048 | $51.1K | 0.02% | 00.0% | Unchanged |
| SPC Financial, Inc. | 17,400 | $52.2K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 17,430 | $52.3K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 17,487 | $56.0K | 0.00% | +17,487 | New |
| Manufacturers Life Insurance Company, The | 20,560 | $61.7K | 0.00% | +558+2.8% | Added |
| SG Americas Securities, LLC | 22,701 | $68.0K | 0.00% | −6,110−21.2% | Reduced |
| Citigroup Inc | 22,689 | $68.1K | 0.00% | −27,425−54.7% | Reduced |
| BNP Paribas Arbitrage, SA | 25,272 | $75.8K | 0.00% | +21,376+548.7% | Added |
| Coldstream Capital Management Inc | 26,830 | $80.5K | 0.00% | −120.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 26,156 | $83.7K | 0.00% | −44,242−62.8% | Reduced |
| Cerity Partners LLC | 28,651 | $86.0K | 0.00% | +10.0% | Added |
| Brighton Jones LLC | 30,777 | $92.3K | 0.00% | +63+0.2% | Added |
| Bridgeway Capital Management, LLC | 31,715 | $95.1K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 31,831 | $95.5K | 0.00% | −1,404−4.2% | Reduced |
| JPMorgan Chase & Co | 31,985 | $96.0K | 0.00% | −3,791−10.6% | Reduced |
| Stordahl Capital Management, Inc. | 32,656 | $98.0K | 0.02% | 00.0% | Unchanged |
| MetLife Investment Management | 33,987 | $102.0K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 34,108 | $102.3K | 0.00% | +7,538+28.4% | Added |
| Comerica Bank | 35,000 | $105.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 35,096 | $105.3K | 0.00% | −6,923−16.5% | Reduced |
| Sanctuary Advisors, LLC | 35,515 | $106.5K | 0.00% | +35,515 | New |
| Gsa Capital Partners LLP | 38,132 | $114.0K | 0.01% | +38,132 | New |
| Corton Capital Inc. | 38,967 | $116.9K | 0.14% | +38,967 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 40,500 | $121.5K | 0.00% | +10,500+35.0% | Added |
| Cypress Capital Group | 42,000 | $126.0K | 0.02% | +7,200+20.7% | Added |
| Skopos Labs, Inc. | 49,197 | $147.6K | 0.02% | +49,197 | New |
| MML Investors Services, LLC | 49,575 | $149.0K | 0.00% | +19,750+66.2% | Added |
| Mindset Wealth Management, LLC | 60,000 | $180.0K | 0.06% | −3,000−4.8% | Reduced |
| XTX Topco Ltd | 63,777 | $191.3K | 0.01% | +63,777 | New |
| American Financial Group Inc | 64,113 | $192.3K | 0.07% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 67,590 | $202.8K | 0.00% | +16,600+32.6% | Added |
| HighTower Advisors, LLC | 69,184 | $207.6K | 0.00% | +8,845+14.7% | Added |
| Price T Rowe Associates Inc | 76,791 | $231.0K | 0.00% | +1,287+1.7% | Added |
| Jane Street Group, LLC | 85,382 | $256.1K | 0.00% | −55,718−39.5% | Reduced |
| Nuveen, LLC | 87,618 | $262.9K | 0.00% | −26,439−23.2% | Reduced |
| Nomura Holdings Inc | 88,469 | $265.4K | 0.00% | −590,551−87.0% | Reduced |
| Squarepoint Ops LLC | 88,475 | $265.4K | 0.00% | +64,571+270.1% | Added |
| Newbridge Financial Services Group, Inc. | 93,420 | $280.3K | 0.05% | +93,420 | New |
| Rhumbline Advisers | 98,825 | $296.5K | 0.00% | −8,772−8.2% | Reduced |
| Graham Capital Management, L.P. | 100,558 | $301.7K | 0.01% | +61,231+155.7% | Added |
| Brevan Howard Capital Management LP | 105,299 | $315.9K | 0.00% | +105,299 | New |
| Susquehanna International Group, LLP | 116,126 | $348.4K | 0.00% | −99,848−46.2% | Reduced |
| Ameriprise Financial Inc | 116,536 | $349.6K | 0.00% | −3,941−3.3% | Reduced |
| Invesco Ltd. | 116,688 | $350.1K | 0.00% | +29,644+34.1% | Added |
| Group One Trading, L.P. | 118,989 | $357.0K | 0.01% | +89,422+302.4% | Added |
| Badgley Phelps Wealth Managers, LLC | 121,438 | $364.3K | 0.01% | −124,296−50.6% | Reduced |