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 |
|---|---|---|---|---|---|
| Truvestments Capital LLC | 3,102 | $9.31K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 2,285 | $6.86K | 0.00% | +2,285 | New |
| Mirae Asset Global Investments Co., Ltd. | 2,263 | $6.79K | 0.00% | +324+16.7% | Added |
| Amalgamated Bank | 2,052 | $6.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 1,825 | $5.47K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,587 | $4.76K | 0.00% | −1,205−43.2% | Reduced |
| GF Fund Management Co. Ltd. | 1,483 | $4.45K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 1,369 | $4.11K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,358 | $4.07K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 1,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 609 | $2.00K | 0.00% | −1,563−72.0% | Reduced |
| The PNC Financial Services Group, Inc. | 653 | $1.96K | 0.00% | +340+108.6% | Added |
| Daiwa Securities Group Inc. | 191 | $1.00K | 0.00% | 00.0% | Unchanged |
| Pandora Wealth, Inc. | 330 | $990 | 0.00% | 00.0% | Unchanged |
| 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 |
| Sterling Capital Management LLC | 293 | $879 | 0.00% | −363−55.3% | Reduced |
| SBI Securities Co., Ltd. | 208 | $624 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 183 | $549 | 0.00% | +160+695.7% | Added |
| Larson Financial Group LLC | 150 | $450 | 0.00% | −100−40.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 104 | $312 | 0.00% | −469−81.8% | Reduced |
| US Bancorp | 100 | $300 | 0.00% | +83+488.2% | Added |
| IFP Advisors, Inc | 0 | $183 | 0.00% | 0 | New |
| Rocky Mountain Advisers, LLC | 50 | $150 | 0.00% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 31 | $93 | 0.00% | +31 | New |
| Quest Partners LLC | 1 | $3 | 0.00% | −15,686−100.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −85,514−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −63,465−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −43,695−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −42,577−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −32,136−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −27,403−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −19,338−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −13,764−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −12,411−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −12,123−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −11,308−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −10,760−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −10,555−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −9,958−100.0% | Sold out |
| Richards, Merrill & Peterson, Inc. | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −3,090−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,456−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −905−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −434−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −367−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −258−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |