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, Q3 2025
Institutional positions in Omeros Corp as of Sep 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
- 133
- +5 vs. Q2 2025
- Shares held
- 32.9M
- +3.74M (+12.9%) vs. Q2 2025
- Total value
- $134.7M
- +$47.4M (+54.3%) vs. Q2 2025
- New holders
- 14
- 59 more added
- Sold out
- 9
- 30 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SRS Capital Advisors, Inc. | 3,361 | $13.8K | 0.00% | +3,361 | New |
| Parallel Advisors, LLC | 3,159 | $13.0K | 0.00% | +1,159+58.0% | Added |
| Ancora Advisors, LLC | 3,000 | $12.3K | 0.00% | −2,800−48.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,631 | $10.8K | 0.00% | +368+16.3% | Added |
| Amalgamated Bank | 2,052 | $8.00K | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 1,825 | $7.48K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 1,682 | $6.90K | 0.00% | −1,420−45.8% | Reduced |
| Nisa Investment Advisors, LLC | 1,674 | $6.86K | 0.00% | +87+5.5% | Added |
| GF Fund Management Co. Ltd. | 1,464 | $6.00K | 0.00% | −19−1.3% | Reduced |
| MAI Capital Management | 1,369 | $5.61K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,260 | $5.00K | 0.00% | +651+106.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,000 | $4.10K | 0.00% | −358−26.4% | Reduced |
| Fifth Third Bancorp | 1,000 | $4.10K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 1,000 | $4.10K | 0.00% | +1,000 | New |
| Capital Analysts, LLC | 1,000 | $4.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 674 | $2.76K | 0.00% | +21+3.2% | Added |
| Sterling Capital Management LLC | 645 | $2.65K | 0.00% | +352+120.1% | Added |
| Optiver Holding B.V. | 538 | $2.21K | 0.00% | +538 | New |
| Northwestern Mutual Wealth Management Co | 500 | $2.05K | 0.00% | +500 | New |
| Pandora Wealth, Inc. | 330 | $1.35K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $1.23K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 191 | $1.00K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 208 | $853 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 150 | $615 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 124 | $508 | 0.00% | +124 | New |
| EverSource Wealth Advisors, LLC | 115 | $472 | 0.00% | −68−37.2% | Reduced |
| Allworth Financial LP | 57 | $234 | 0.00% | +57 | New |
| US Bancorp | 50 | $205 | 0.00% | −50−50.0% | Reduced |
| Rocky Mountain Advisers, LLC | 50 | $205 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 26 | $107 | 0.00% | +26 | Added |
| Clearstead Advisors, LLC | 26 | $107 | 0.00% | +26 | New |
| Essential Partners LLC | 11 | $45 | 0.00% | +11 | New |
| Quest Partners LLC | 1 | $4 | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 0 | $0 | 0.00% | −63,777−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −38,967−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −35,515−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −17,430−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −11,181−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −9,781−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |