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, Q1 2025
Institutional positions in Omeros Corp as of Mar 31, 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
- 137
- +10 vs. Q4 2024
- Shares held
- 27.6M
- +1.12M (+4.2%) vs. Q4 2024
- Total value
- $226.7M
- −$34.6M (−13.2%) vs. Q4 2024
- New holders
- 22
- 34 more added
- Sold out
- 12
- 51 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| US Bancorp | 17 | $140 | 0.00% | −8,188−99.8% | Reduced |
| EverSource Wealth Advisors, LLC | 23 | $189 | 0.00% | +23 | New |
| Rocky Mountain Advisers, LLC | 50 | $411 | 0.00% | −1,600−97.0% | Reduced |
| Rothschild Investment LLC | 60 | $493 | 0.00% | +60 | New |
| Versant Capital Management, Inc | 64 | $526 | 0.00% | +64 | New |
| Lindbrook Capital, LLC | 122 | $1.00K | 0.00% | +122 | New |
| Federated Hermes, Inc. | 133 | $1.09K | 0.00% | −677−83.6% | Reduced |
| SBI Securities Co., Ltd. | 208 | $1.71K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 220 | $1.81K | 0.00% | +220 | New |
| Daiwa Securities Group Inc. | 191 | $2.00K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 250 | $2.06K | 0.00% | +100+66.7% | Added |
| Massmutual Trust Co FSB | 258 | $2.12K | 0.00% | +258 | New |
| CBIZ Investment Advisory Services, LLC | 300 | $2.47K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $2.47K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 313 | $2.57K | 0.00% | +3+1.0% | Added |
| Pandora Wealth, Inc. | 330 | $2.71K | 0.00% | +330 | New |
| Smartleaf Asset Management LLC | 367 | $3.11K | 0.00% | −144−28.2% | Reduced |
| Picton Mahoney Asset Management | 434 | $4.00K | 0.00% | −4,606−91.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 573 | $4.71K | 0.00% | −435−43.2% | Reduced |
| Sterling Capital Management LLC | 656 | $5.39K | 0.00% | −544−45.3% | Reduced |
| GAMMA Investing LLC | 905 | $7.44K | 0.00% | +854+1,674.5% | Added |
| Russell Investments Group, Ltd. | 939 | $7.72K | 0.00% | −152−13.9% | Reduced |
| Capital Analysts, LLC | 1,000 | $8.00K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,000 | $8.22K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,358 | $11.2K | 0.00% | +1,358 | New |
| MAI Capital Management | 1,369 | $11.3K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,456 | $12.0K | 0.00% | −3,215−68.8% | Reduced |
| Tower Research Capital LLC (TRC) | 1,443 | $12.0K | 0.00% | −3,024−67.7% | Reduced |
| GF Fund Management Co. Ltd. | 1,483 | $12.2K | 0.00% | +266+21.9% | Added |
| Strategic Investment Solutions, Inc. | 1,825 | $15.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,939 | $16.4K | 0.00% | +8+0.4% | Added |
| Parallel Advisors, LLC | 2,000 | $16.4K | 0.00% | +2,000 | New |
| Amalgamated Bank | 2,052 | $17.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 2,172 | $18.0K | 0.00% | +15+0.7% | Added |
| Nisa Investment Advisors, LLC | 2,792 | $22.9K | 0.00% | +1,373+96.8% | Added |
| Ronald Blue Trust, Inc. | 3,090 | $25.4K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 3,102 | $25.5K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3,896 | $32.0K | 0.00% | −3,556−47.7% | Reduced |
| California State Teachers Retirement System | 4,053 | $33.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,027 | $41.3K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,457 | $44.9K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 5,800 | $47.7K | 0.00% | −80,000−93.2% | Reduced |
| Farther Finance Advisors, LLC | 6,044 | $47.8K | 0.00% | 00.0% | Unchanged |
| Richards, Merrill & Peterson, Inc. | 6,900 | $56.7K | 0.03% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 9,218 | $75.8K | 0.00% | +3,149+51.9% | Added |
| Affinity Asset Advisors, LLC | 9,958 | $81.9K | 0.01% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 10,555 | $86.8K | 0.00% | −102,771−90.7% | Reduced |
| Sowell Financial Services LLC | 10,750 | $88.4K | 0.00% | +10,750 | New |
| National Asset Management, Inc. | 10,760 | $88.4K | 0.00% | −545−4.8% | Reduced |
| Trexquant Investment LP | 10,760 | $88.4K | 0.00% | +10,760 | New |
| Cambridge Investment Research Advisors, Inc. | 11,099 | $91.0K | 0.00% | +6+0.1% | Added |
| Apella Capital, LLC | 14,288 | $92.9K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 11,308 | $93.0K | 0.00% | +11,308 | New |
| New York State Common Retirement Fund | 11,413 | $93.8K | 0.00% | −5,900−34.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,624 | $95.5K | 0.01% | −663−5.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,722 | $96.4K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 12,072 | $99.2K | 0.00% | +12,072 | New |
| Balyasny Asset Management LLC | 12,123 | $99.7K | 0.00% | +12,123 | New |
| CIBC World Markets Corp | 12,411 | $102.0K | 0.00% | +12,411 | New |
| Raymond James Financial Inc | 12,549 | $103.2K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 13,340 | $109.7K | 0.00% | −6,028−31.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 13,764 | $113.1K | 0.00% | −136,793−90.9% | Reduced |
| ProShare Advisors LLC | 14,721 | $121.0K | 0.00% | −3,775−20.4% | Reduced |
| Two Sigma Advisers, LP | 15,500 | $127.4K | 0.00% | −23,300−60.1% | Reduced |
| Voya Investment Management LLC | 15,667 | $128.8K | 0.00% | −1,566−9.1% | Reduced |
| Quest Partners LLC | 15,687 | $128.9K | 0.01% | −13,207−45.7% | Reduced |
| Breakwater Investment Management | 17,048 | $140.1K | 0.06% | 00.0% | Unchanged |
| HSBC Holdings PLC | 17,138 | $141.9K | 0.00% | +17,138 | New |
| SPC Financial, Inc. | 17,400 | $143.0K | 0.01% | −2,000−10.3% | Reduced |
| State Board of Administration of Florida Retirement System | 17,430 | $143.3K | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 19,338 | $159.0K | 0.04% | +19,338 | New |
| Manufacturers Life Insurance Company, The | 20,002 | $164.4K | 0.00% | −477−2.3% | Reduced |
| Squarepoint Ops LLC | 23,904 | $196.5K | 0.00% | −8,105−25.3% | Reduced |
| Intech Investment Management LLC | 26,570 | $218.4K | 0.00% | +6,222+30.6% | Added |
| Coldstream Capital Management Inc | 26,842 | $220.6K | 0.00% | −488−1.8% | Reduced |
| Corebridge Financial, Inc. | 27,403 | $225.3K | 0.00% | −405−1.5% | Reduced |
| Cerity Partners LLC | 28,650 | $235.5K | 0.00% | −339−1.2% | Reduced |
| SG Americas Securities, LLC | 28,811 | $237.0K | 0.00% | +4,450+18.3% | Added |
| Group One Trading, L.P. | 29,567 | $243.0K | 0.01% | −67,750−69.6% | Reduced |
| MML Investors Services, LLC | 29,825 | $245.0K | 0.00% | +1,200+4.2% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 30,000 | $246.6K | 0.01% | 00.0% | Unchanged |
| Brighton Jones LLC | 30,714 | $252.5K | 0.01% | +3,125+11.3% | Added |
| Bridgeway Capital Management, LLC | 31,715 | $260.7K | 0.01% | −123,385−79.6% | Reduced |
| State of Wisconsin Investment Board | 32,136 | $264.2K | 0.00% | −5,624−14.9% | Reduced |
| Stordahl Capital Management, Inc. | 32,656 | $268.4K | 0.06% | −7,344−18.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 33,235 | $273.2K | 0.00% | +1,404+4.4% | Added |
| MetLife Investment Management | 33,987 | $279.4K | 0.00% | −739−2.1% | Reduced |
| AQR Capital Management LLC | 34,700 | $285.2K | 0.00% | −4,492−11.5% | Reduced |
| Cypress Capital Group | 34,800 | $286.1K | 0.04% | 00.0% | Unchanged |
| Comerica Bank | 35,000 | $287.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 35,776 | $294.1K | 0.00% | +3,642+11.3% | Added |
| Graham Capital Management, L.P. | 39,327 | $323.3K | 0.01% | +39,327 | New |
| Deutsche Bank AG | 42,019 | $345.4K | 0.00% | +1,973+4.9% | Added |
| Franklin Resources Inc | 42,577 | $350.0K | 0.00% | +29,391+222.9% | Added |
| Acadian Asset Management LLC | 43,695 | $357.0K | 0.00% | +43,695 | New |
| Wells Fargo & Company | 46,206 | $379.8K | 0.00% | +13,058+39.4% | Added |
| Citigroup Inc | 50,114 | $411.9K | 0.00% | +5,939+13.4% | Added |
| Alliancebernstein L.P. | 50,990 | $419.1K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 60,339 | $496.0K | 0.00% | +1,000+1.7% | Added |
| Mindset Wealth Management, LLC | 63,000 | $517.9K | 0.20% | 00.0% | Unchanged |