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, Q4 2025
Institutional positions in Omeros Corp as of Dec 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
- 151
- +20 vs. Q3 2025
- Shares held
- 33.2M
- +422.9K (+1.3%) vs. Q3 2025
- Total value
- $570.3M
- +$435.7M (+323.9%) vs. Q3 2025
- New holders
- 33
- 61 more added
- Sold out
- 13
- 35 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Essential Partners LLC | 11 | $189 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 26 | $447 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 40 | $687 | 0.00% | +40 | New |
| Allworth Financial LP | 44 | $756 | 0.00% | −13−22.8% | Reduced |
| Rocky Mountain Advisers, LLC | 50 | $859 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 60 | $1.03K | 0.00% | +60 | New |
| GAMMA Investing LLC | 107 | $1.84K | 0.00% | +107 | New |
| EverSource Wealth Advisors, LLC | 115 | $1.98K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 151 | $2.59K | 0.00% | +1+0.7% | Added |
| Daiwa Securities Group Inc. | 191 | $3.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 195 | $3.35K | 0.00% | +195 | New |
| SBI Securities Co., Ltd. | 208 | $3.57K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 231 | $3.97K | 0.00% | +231 | New |
| Federation des caisses Desjardins du Quebec | 300 | $5.15K | 0.00% | 00.0% | Unchanged |
| Pandora Wealth, Inc. | 330 | $5.67K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 360 | $6.18K | 0.00% | +236+190.3% | Added |
| The PNC Financial Services Group, Inc. | 377 | $6.47K | 0.00% | −297−44.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 500 | $8.59K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 765 | $13.1K | 0.00% | −235−23.5% | Reduced |
| Nisa Investment Advisors, LLC | 804 | $13.8K | 0.00% | −870−52.0% | Reduced |
| Sterling Capital Management LLC | 901 | $15.5K | 0.00% | +256+39.7% | Added |
| Capital Analysts, LLC | 1,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,000 | $17.2K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 1,000 | $17.2K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,000 | $17.2K | 0.00% | +1,000 | New |
| CWM, LLC | 1,232 | $21.0K | 0.00% | −28−2.2% | Reduced |
| GF Fund Management Co. Ltd. | 1,392 | $23.9K | 0.00% | −72−4.9% | Reduced |
| State of Wyoming | 1,433 | $24.6K | 0.00% | +1,433 | New |
| Truvestments Capital LLC | 1,682 | $28.9K | 0.01% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 1,827 | $31.4K | 0.01% | +2+0.1% | Added |
| Tower Research Capital LLC (TRC) | 1,916 | $32.9K | 0.00% | −1,512−44.1% | Reduced |
| Amalgamated Bank | 2,069 | $36.0K | 0.00% | +17+0.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,445 | $59.2K | 0.00% | +814+30.9% | Added |
| Optiver Holding B.V. | 3,747 | $64.4K | 0.00% | +3,209+596.5% | Added |
| Parallel Advisors, LLC | 3,909 | $67.1K | 0.00% | +750+23.7% | Added |
| California State Teachers Retirement System | 4,055 | $69.6K | 0.00% | −10.0% | Reduced |
| International Assets Investment Management, LLC | 5,000 | $85.9K | 0.01% | −10,550−67.8% | Reduced |
| Ameritas Investment Partners, Inc. | 5,027 | $86.3K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 5,255 | $90.3K | 0.00% | +1,894+56.4% | Added |
| Vontobel Holding Ltd. | 5,450 | $93.6K | 0.00% | +5,450 | New |
| Legal & General Group Plc | 6,971 | $119.7K | 0.00% | −114−1.6% | Reduced |
| Farther Finance Advisors, LLC | 7,106 | $122.0K | 0.00% | +1,004+16.5% | Added |
| Quantbot Technologies LP | 7,220 | $124.0K | 0.00% | +7,220 | New |
| Advisor Group Holdings, Inc. | 7,547 | $129.7K | 0.00% | +1,938+34.6% | Added |
| Caitong International Asset Management Co., Ltd | 9,276 | $159.3K | 0.04% | +9,276 | New |
| Abel Hall, LLC | 10,240 | $175.9K | 0.04% | +10,240 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 10,500 | $180.3K | 0.00% | −30,000−74.1% | Reduced |
| Sowell Financial Services LLC | 10,650 | $182.9K | 0.01% | +200+1.9% | Added |
| National Asset Management, Inc. | 11,369 | $195.3K | 0.01% | +609+5.7% | Added |
| Voya Investment Management LLC | 11,405 | $195.9K | 0.00% | +216+1.9% | Added |
| Rafferty Asset Management, LLC | 12,226 | $210.0K | 0.00% | +12,226 | New |
| Raymond James Financial Inc | 12,242 | $210.3K | 0.00% | +12,242 | New |
| Schonfeld Strategic Advisors LLC | 12,667 | $217.6K | 0.00% | +12,667 | New |
| Avantax Planning Partners, Inc. | 13,200 | $226.7K | 0.01% | +3,100+30.7% | Added |
| Graham Capital Management, L.P. | 13,222 | $227.1K | 0.01% | −21,237−61.6% | Reduced |
| Los Angeles Capital Management LLC | 30,920 | $232.5K | 0.00% | +30,920 | New |
| Russell Investments Group, Ltd. | 14,014 | $240.7K | 0.00% | +3,319+31.0% | Added |
| Apella Capital, LLC | 14,288 | $245.4K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 14,330 | $246.1K | 0.01% | +14,330 | New |
| ProShare Advisors LLC | 15,171 | $260.6K | 0.00% | +1,637+12.1% | Added |
| BNP Paribas Arbitrage, SA | 16,351 | $280.8K | 0.00% | −71,766−81.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,360 | $281.0K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 16,553 | $284.3K | 0.02% | −5,376−24.5% | Reduced |
| Creative Planning | 16,916 | $290.5K | 0.00% | +16,916 | New |
| Breakwater Investment Management | 17,048 | $292.8K | 0.11% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 17,647 | $303.1K | 0.01% | +17,647 | New |
| FMR LLC | 18,068 | $310.3K | 0.00% | +4,878+37.0% | Added |
| SG Americas Securities, LLC | 18,825 | $323.0K | 0.00% | −26,499−58.5% | Reduced |
| Manufacturers Life Insurance Company, The | 19,850 | $340.9K | 0.00% | −48−0.2% | Reduced |
| Engineers Gate Manager LP | 20,082 | $344.9K | 0.00% | +20,082 | New |
| New York State Common Retirement Fund | 20,713 | $355.7K | 0.00% | +9,300+81.5% | Added |
| Canada Pension Plan Investment Board | 21,700 | $372.7K | 0.00% | +21,700 | New |
| Harbour Investments, Inc. | 21,835 | $375.0K | 0.01% | +8,366+62.1% | Added |
| AQR Capital Management LLC | 22,838 | $392.2K | 0.00% | +1,532+7.2% | Added |
| Stordahl Capital Management, Inc. | 22,860 | $392.6K | 0.08% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 23,000 | $395.0K | 0.00% | +23,000 | New |
| Wealth Enhancement Advisory Services, LLC | 31,728 | $429.3K | 0.00% | +2,631+9.0% | Added |
| ADAR1 Capital Management, LLC | 25,000 | $429.4K | 0.03% | +25,000 | New |
| Quantinno Capital Management LP | 25,074 | $430.6K | 0.00% | +6,866+37.7% | Added |
| Virtus Investment Advisers, Inc. | 26,212 | $450.2K | 0.12% | +26,212 | New |
| Man Group plc | 27,099 | $465.4K | 0.00% | +27,099 | New |
| Citigroup Inc | 27,489 | $472.1K | 0.00% | +21,972+398.3% | Added |
| Axq Capital, LP | 29,151 | $500.7K | 0.11% | +29,151 | New |
| Intech Investment Management LLC | 29,967 | $514.7K | 0.00% | +4,324+16.9% | Added |
| Cerity Partners LLC | 30,450 | $523.0K | 0.00% | +1,750+6.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 30,585 | $525.3K | 0.00% | +399+1.3% | Added |
| Colony Group, LLC | 31,034 | $533.0K | 0.00% | +31,034 | New |
| SEI Investments Co | 31,766 | $545.6K | 0.00% | +18,652+142.2% | Added |
| Newbridge Financial Services Group, Inc. | 34,310 | $589.3K | 0.09% | −100,200−74.5% | Reduced |
| MetLife Investment Management | 36,200 | $621.7K | 0.00% | +15,696+76.6% | Added |
| JPMorgan Chase & Co | 37,191 | $638.8K | 0.00% | −378,962−91.1% | Reduced |
| Comerica Bank | 38,000 | $652.6K | 0.00% | +3,000+8.6% | Added |
| Cypress Capital Group | 42,000 | $721.4K | 0.08% | 00.0% | Unchanged |
| Deutsche Bank AG | 48,694 | $836.6K | 0.00% | +7,891+19.3% | Added |
| Mindset Wealth Management, LLC | 52,000 | $893.1K | 0.23% | −8,000−13.3% | Reduced |
| Coldstream Capital Management Inc | 53,605 | $920.7K | 0.01% | +27,775+107.5% | Added |
| Bridgeway Capital Management, LLC | 56,715 | $974.1K | 0.02% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 59,250 | $1.02M | 0.02% | +56,250+1,875.0% | Added |
| Verition Fund Management LLC | 63,493 | $1.09M | 0.01% | +63,493 | New |
| American Financial Group Inc | 64,113 | $1.10M | 0.40% | 00.0% | Unchanged |