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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,383,117 | $36.0M | 0.00% | +84,344+2.0% | Added |
| Ingalls & Snyder LLC | 3,977,813 | $32.7M | 1.08% | −30,055−0.7% | Reduced |
| Vanguard Group Inc | 3,237,256 | $26.6M | 0.00% | +95,599+3.0% | Added |
| D. E. Shaw & Co., Inc. | 1,938,528 | $15.9M | 0.02% | +99,630+5.4% | Added |
| Stifel Financial Corp | 1,556,649 | $12.8M | 0.01% | −24,556−1.6% | Reduced |
| Geode Capital Management, LLC | 1,369,132 | $11.3M | 0.00% | +29,701+2.2% | Added |
| State Street Corp | 1,356,138 | $11.1M | 0.00% | +144,570+11.9% | Added |
| Morgan Stanley | 760,360 | $6.25M | 0.00% | +426,478+127.7% | Added |
| CI Private Wealth, LLC | 720,422 | $5.92M | 0.01% | −13,027−1.8% | Reduced |
| Nomura Holdings Inc | 679,020 | $5.58M | 0.03% | −68,261−9.1% | Reduced |
| UBS Group AG | 660,657 | $5.43M | 0.00% | −188,530−22.2% | Reduced |
| Marshall Wace, LLP | 644,152 | $5.29M | 0.01% | +599,947+1,357.2% | Added |
| Bank of Montreal | 563,095 | $4.63M | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 499,323 | $4.10M | 0.00% | −722−0.1% | Reduced |
| Northern Trust Corp | 484,635 | $3.98M | 0.00% | −25,005−4.9% | Reduced |
| Charles Schwab Investment Management Inc | 463,882 | $3.81M | 0.00% | −11,644−2.4% | Reduced |
| Millennium Management LLC | 315,252 | $2.59M | 0.00% | +229,581+268.0% | Added |
| Badgley Phelps Wealth Managers, LLC | 245,734 | $2.02M | 0.05% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 215,974 | $1.78M | 0.00% | +139,851+183.7% | Added |
| Goldman Sachs Group Inc | 181,155 | $1.49M | 0.00% | −30,445−14.4% | Reduced |
| Citadel Advisors LLC | 173,026 | $1.42M | 0.00% | +100,201+137.6% | Added |
| Advisor Group Holdings, Inc. | 161,268 | $1.33M | 0.00% | +161,060+77,432.7% | Added |
| Bank of New York Mellon Corp | 151,062 | $1.24M | 0.00% | +3,321+2.2% | Added |
| Jane Street Group, LLC | 141,100 | $1.16M | 0.00% | −3,906−2.7% | Reduced |
| Wellington Management Group LLP | 136,002 | $1.12M | 0.00% | +136,002 | New |
| Ameriprise Financial Inc | 120,477 | $990.3K | 0.00% | −160.0% | Reduced |
| Nuveen, LLC | 114,057 | $937.5K | 0.00% | +114,057 | New |
| Bank of America Corp | 112,200 | $922.3K | 0.00% | −7,064−5.9% | Reduced |
| Rhumbline Advisers | 107,597 | $884.4K | 0.00% | −626−0.6% | Reduced |
| Two Sigma Investments, LP | 105,639 | $868.4K | 0.00% | −57,352−35.2% | Reduced |
| Invesco Ltd. | 87,044 | $715.5K | 0.00% | +54,696+169.1% | Added |
| Jacobs Levy Equity Management, Inc | 85,514 | $702.9K | 0.00% | −19,024−18.2% | Reduced |
| Barclays PLC | 81,341 | $668.6K | 0.00% | −22,385−21.6% | Reduced |
| Price T Rowe Associates Inc | 75,504 | $621.0K | 0.00% | +35,922+90.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 70,398 | $578.7K | 0.00% | +70,398 | New |
| American Financial Group Inc | 64,113 | $527.0K | 0.23% | 00.0% | Unchanged |
| Simplex Trading, LLC | 63,465 | $521.0K | 0.02% | −41,141−39.3% | Reduced |
| Mindset Wealth Management, LLC | 63,000 | $517.9K | 0.20% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 60,339 | $496.0K | 0.00% | +1,000+1.7% | Added |
| Alliancebernstein L.P. | 50,990 | $419.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 50,114 | $411.9K | 0.00% | +5,939+13.4% | Added |
| Wells Fargo & Company | 46,206 | $379.8K | 0.00% | +13,058+39.4% | Added |
| Acadian Asset Management LLC | 43,695 | $357.0K | 0.00% | +43,695 | New |
| Franklin Resources Inc | 42,577 | $350.0K | 0.00% | +29,391+222.9% | Added |
| Deutsche Bank AG | 42,019 | $345.4K | 0.00% | +1,973+4.9% | Added |
| Graham Capital Management, L.P. | 39,327 | $323.3K | 0.01% | +39,327 | New |
| JPMorgan Chase & Co | 35,776 | $294.1K | 0.00% | +3,642+11.3% | Added |
| Comerica Bank | 35,000 | $287.7K | 0.00% | 00.0% | Unchanged |
| Cypress Capital Group | 34,800 | $286.1K | 0.04% | 00.0% | Unchanged |
| AQR Capital Management LLC | 34,700 | $285.2K | 0.00% | −4,492−11.5% | Reduced |
| MetLife Investment Management | 33,987 | $279.4K | 0.00% | −739−2.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 33,235 | $273.2K | 0.00% | +1,404+4.4% | Added |
| Stordahl Capital Management, Inc. | 32,656 | $268.4K | 0.06% | −7,344−18.4% | Reduced |
| State of Wisconsin Investment Board | 32,136 | $264.2K | 0.00% | −5,624−14.9% | Reduced |
| Bridgeway Capital Management, LLC | 31,715 | $260.7K | 0.01% | −123,385−79.6% | Reduced |
| Brighton Jones LLC | 30,714 | $252.5K | 0.01% | +3,125+11.3% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 30,000 | $246.6K | 0.01% | 00.0% | Unchanged |
| MML Investors Services, LLC | 29,825 | $245.0K | 0.00% | +1,200+4.2% | Added |
| Group One Trading, L.P. | 29,567 | $243.0K | 0.01% | −67,750−69.6% | Reduced |
| SG Americas Securities, LLC | 28,811 | $237.0K | 0.00% | +4,450+18.3% | Added |
| Cerity Partners LLC | 28,650 | $235.5K | 0.00% | −339−1.2% | Reduced |
| Corebridge Financial, Inc. | 27,403 | $225.3K | 0.00% | −405−1.5% | Reduced |
| Coldstream Capital Management Inc | 26,842 | $220.6K | 0.00% | −488−1.8% | Reduced |
| Intech Investment Management LLC | 26,570 | $218.4K | 0.00% | +6,222+30.6% | Added |
| Squarepoint Ops LLC | 23,904 | $196.5K | 0.00% | −8,105−25.3% | Reduced |
| Manufacturers Life Insurance Company, The | 20,002 | $164.4K | 0.00% | −477−2.3% | Reduced |
| Virtus Investment Advisers, Inc. | 19,338 | $159.0K | 0.04% | +19,338 | New |
| State Board of Administration of Florida Retirement System | 17,430 | $143.3K | 0.00% | 00.0% | Unchanged |
| SPC Financial, Inc. | 17,400 | $143.0K | 0.01% | −2,000−10.3% | Reduced |
| HSBC Holdings PLC | 17,138 | $141.9K | 0.00% | +17,138 | New |
| Breakwater Investment Management | 17,048 | $140.1K | 0.06% | 00.0% | Unchanged |
| Quest Partners LLC | 15,687 | $128.9K | 0.01% | −13,207−45.7% | Reduced |
| Voya Investment Management LLC | 15,667 | $128.8K | 0.00% | −1,566−9.1% | Reduced |
| Two Sigma Advisers, LP | 15,500 | $127.4K | 0.00% | −23,300−60.1% | Reduced |
| ProShare Advisors LLC | 14,721 | $121.0K | 0.00% | −3,775−20.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 13,764 | $113.1K | 0.00% | −136,793−90.9% | Reduced |
| FMR LLC | 13,340 | $109.7K | 0.00% | −6,028−31.1% | Reduced |
| Raymond James Financial Inc | 12,549 | $103.2K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 12,411 | $102.0K | 0.00% | +12,411 | New |
| Balyasny Asset Management LLC | 12,123 | $99.7K | 0.00% | +12,123 | New |
| SEI Investments Co | 12,072 | $99.2K | 0.00% | +12,072 | New |
| Police & Firemen's Retirement System of New Jersey | 11,722 | $96.4K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,624 | $95.5K | 0.01% | −663−5.4% | Reduced |
| New York State Common Retirement Fund | 11,413 | $93.8K | 0.00% | −5,900−34.1% | Reduced |
| Profund Advisors LLC | 11,308 | $93.0K | 0.00% | +11,308 | New |
| Apella Capital, LLC | 14,288 | $92.9K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 11,099 | $91.0K | 0.00% | +6+0.1% | Added |
| 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 |
| Sowell Financial Services LLC | 10,750 | $88.4K | 0.00% | +10,750 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 10,555 | $86.8K | 0.00% | −102,771−90.7% | Reduced |
| Affinity Asset Advisors, LLC | 9,958 | $81.9K | 0.01% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 9,218 | $75.8K | 0.00% | +3,149+51.9% | Added |
| Richards, Merrill & Peterson, Inc. | 6,900 | $56.7K | 0.03% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6,044 | $47.8K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 5,800 | $47.7K | 0.00% | −80,000−93.2% | Reduced |
| Legal & General Group Plc | 5,457 | $44.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,027 | $41.3K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 4,053 | $33.3K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3,896 | $32.0K | 0.00% | −3,556−47.7% | Reduced |