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 |
|---|---|---|---|---|---|
| Truvestments Capital LLC | 3,102 | $25.5K | 0.01% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 3,090 | $25.4K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,792 | $22.9K | 0.00% | +1,373+96.8% | Added |
| CWM, LLC | 2,172 | $18.0K | 0.00% | +15+0.7% | Added |
| Amalgamated Bank | 2,052 | $17.0K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,000 | $16.4K | 0.00% | +2,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,939 | $16.4K | 0.00% | +8+0.4% | Added |
| Strategic Investment Solutions, Inc. | 1,825 | $15.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,483 | $12.2K | 0.00% | +266+21.9% | Added |
| Tower Research Capital LLC (TRC) | 1,443 | $12.0K | 0.00% | −3,024−67.7% | Reduced |
| Quantbot Technologies LP | 1,456 | $12.0K | 0.00% | −3,215−68.8% | Reduced |
| MAI Capital Management | 1,369 | $11.3K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,358 | $11.2K | 0.00% | +1,358 | New |
| Fifth Third Bancorp | 1,000 | $8.22K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 1,000 | $8.00K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 939 | $7.72K | 0.00% | −152−13.9% | Reduced |
| GAMMA Investing LLC | 905 | $7.44K | 0.00% | +854+1,674.5% | Added |
| Sterling Capital Management LLC | 656 | $5.39K | 0.00% | −544−45.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 573 | $4.71K | 0.00% | −435−43.2% | Reduced |
| Picton Mahoney Asset Management | 434 | $4.00K | 0.00% | −4,606−91.4% | Reduced |
| Smartleaf Asset Management LLC | 367 | $3.11K | 0.00% | −144−28.2% | Reduced |
| Pandora Wealth, Inc. | 330 | $2.71K | 0.00% | +330 | New |
| The PNC Financial Services Group, Inc. | 313 | $2.57K | 0.00% | +3+1.0% | Added |
| 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 |
| Massmutual Trust Co FSB | 258 | $2.12K | 0.00% | +258 | New |
| Larson Financial Group LLC | 250 | $2.06K | 0.00% | +100+66.7% | Added |
| Daiwa Securities Group Inc. | 191 | $2.00K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 220 | $1.81K | 0.00% | +220 | New |
| SBI Securities Co., Ltd. | 208 | $1.71K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 133 | $1.09K | 0.00% | −677−83.6% | Reduced |
| Lindbrook Capital, LLC | 122 | $1.00K | 0.00% | +122 | New |
| Versant Capital Management, Inc | 64 | $526 | 0.00% | +64 | New |
| Rothschild Investment LLC | 60 | $493 | 0.00% | +60 | New |
| Rocky Mountain Advisers, LLC | 50 | $411 | 0.00% | −1,600−97.0% | Reduced |
| EverSource Wealth Advisors, LLC | 23 | $189 | 0.00% | +23 | New |
| US Bancorp | 17 | $140 | 0.00% | −8,188−99.8% | Reduced |
| Cormorant Asset Management, LP | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Sculptor Capital LP | 0 | $0 | 0.00% | −94,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −20,985−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −20,846−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −16,657−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,495−100.0% | Sold out |
| Gilbert & Cook, Inc. | 0 | $0 | 0.00% | −13,750−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −8,373−100.0% | Sold out |
| Seros Financial, LLC | 0 | $0 | 0.00% | −16,115−100.0% | Sold out |
| Sugar Maple Asset Management, LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |