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 |
|---|---|---|---|---|---|
| Quest Partners LLC | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 11 | $45 | 0.00% | +11 | New |
| IFP Advisors, Inc | 26 | $107 | 0.00% | +26 | Added |
| Clearstead Advisors, LLC | 26 | $107 | 0.00% | +26 | New |
| US Bancorp | 50 | $205 | 0.00% | −50−50.0% | Reduced |
| Rocky Mountain Advisers, LLC | 50 | $205 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 57 | $234 | 0.00% | +57 | New |
| EverSource Wealth Advisors, LLC | 115 | $472 | 0.00% | −68−37.2% | Reduced |
| Massmutual Trust Co FSB | 124 | $508 | 0.00% | +124 | New |
| Larson Financial Group LLC | 150 | $615 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 208 | $853 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 191 | $1.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $1.23K | 0.00% | 00.0% | Unchanged |
| Pandora Wealth, Inc. | 330 | $1.35K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 500 | $2.05K | 0.00% | +500 | New |
| Optiver Holding B.V. | 538 | $2.21K | 0.00% | +538 | New |
| Sterling Capital Management LLC | 645 | $2.65K | 0.00% | +352+120.1% | Added |
| The PNC Financial Services Group, Inc. | 674 | $2.76K | 0.00% | +21+3.2% | Added |
| Capital Analysts, LLC | 1,000 | $4.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| CWM, LLC | 1,260 | $5.00K | 0.00% | +651+106.9% | Added |
| MAI Capital Management | 1,369 | $5.61K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,464 | $6.00K | 0.00% | −19−1.3% | Reduced |
| Nisa Investment Advisors, LLC | 1,674 | $6.86K | 0.00% | +87+5.5% | Added |
| Truvestments Capital LLC | 1,682 | $6.90K | 0.00% | −1,420−45.8% | Reduced |
| Strategic Investment Solutions, Inc. | 1,825 | $7.48K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,052 | $8.00K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,631 | $10.8K | 0.00% | +368+16.3% | Added |
| Ancora Advisors, LLC | 3,000 | $12.3K | 0.00% | −2,800−48.3% | Reduced |
| Parallel Advisors, LLC | 3,159 | $13.0K | 0.00% | +1,159+58.0% | Added |
| SRS Capital Advisors, Inc. | 3,361 | $13.8K | 0.00% | +3,361 | New |
| Tower Research Capital LLC (TRC) | 3,428 | $14.1K | 0.00% | −9,986−74.4% | Reduced |
| California State Teachers Retirement System | 4,056 | $16.6K | 0.00% | +3+0.1% | Added |
| Ameritas Investment Partners, Inc. | 5,027 | $20.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 5,517 | $22.6K | 0.00% | −17,172−75.7% | Reduced |
| Advisor Group Holdings, Inc. | 5,609 | $23.3K | 0.00% | +277+5.2% | Added |
| Farther Finance Advisors, LLC | 6,102 | $25.0K | 0.00% | −1,395−18.6% | Reduced |
| Legal & General Group Plc | 7,085 | $29.0K | 0.00% | +985+16.1% | Added |
| Gsa Capital Partners LLP | 10,004 | $41.0K | 0.00% | −28,128−73.8% | Reduced |
| Avantax Planning Partners, Inc. | 10,100 | $41.4K | 0.00% | 00.0% | Unchanged |
| Sowell Financial Services LLC | 10,450 | $42.8K | 0.00% | −300−2.8% | Reduced |
| Russell Investments Group, Ltd. | 10,695 | $43.8K | 0.00% | +5,677+113.1% | Added |
| National Asset Management, Inc. | 10,760 | $44.1K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 11,189 | $45.9K | 0.00% | −4,727−29.7% | Reduced |
| International Assets Investment Management, LLC | 15,550 | $46.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 11,413 | $46.8K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 13,114 | $53.8K | 0.00% | −302−2.3% | Reduced |
| FMR LLC | 13,190 | $54.1K | 0.00% | +1,550+13.3% | Added |
| Harbour Investments, Inc. | 13,469 | $55.2K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 13,534 | $55.5K | 0.00% | −226−1.6% | Reduced |
| Walleye Trading LLC | 13,673 | $56.1K | 0.00% | +13,673 | New |
| Walleye Capital LLC | 14,923 | $61.2K | 0.00% | +12,638+553.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,360 | $67.1K | 0.00% | +4,638+39.6% | Added |
| Breakwater Investment Management | 17,048 | $69.9K | 0.03% | 00.0% | Unchanged |
| SPC Financial, Inc. | 17,400 | $71.3K | 0.01% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 18,208 | $74.7K | 0.00% | +18,208 | New |
| Cambridge Investment Research Advisors, Inc. | 18,219 | $75.0K | 0.00% | +2,801+18.2% | Added |
| Manufacturers Life Insurance Company, The | 19,898 | $81.6K | 0.00% | −662−3.2% | Reduced |
| MetLife Investment Management | 20,504 | $84.1K | 0.00% | −13,483−39.7% | Reduced |
| AQR Capital Management LLC | 21,306 | $87.4K | 0.00% | +7,444+53.7% | Added |
| Quadrature Capital Ltd | 21,533 | $88.2K | 0.00% | +21,533 | New |
| China Universal Asset Management Co., Ltd. | 21,929 | $89.9K | 0.01% | +10,161+86.3% | Added |
| Simplex Trading, LLC | 22,220 | $91.0K | 0.00% | +22,220 | New |
| Stordahl Capital Management, Inc. | 22,860 | $93.7K | 0.02% | −9,796−30.0% | Reduced |
| Intech Investment Management LLC | 25,643 | $105.1K | 0.00% | −8,465−24.8% | Reduced |
| Coldstream Capital Management Inc | 25,830 | $105.9K | 0.00% | −1,000−3.7% | Reduced |
| Wolverine Trading, LLC | 25,971 | $108.6K | 0.00% | +8,484+48.5% | Added |
| Cerity Partners LLC | 28,700 | $117.7K | 0.00% | +49+0.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 30,186 | $123.8K | 0.00% | −1,645−5.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 29,097 | $129.2K | 0.00% | +2,941+11.2% | Added |
| Brighton Jones LLC | 31,539 | $129.3K | 0.00% | +762+2.5% | Added |
| State of Wisconsin Investment Board | 33,678 | $138.1K | 0.00% | +33,678 | New |
| Apella Capital, LLC | 14,288 | $140.5K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 34,459 | $141.3K | 0.01% | −66,099−65.7% | Reduced |
| Comerica Bank | 35,000 | $143.5K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 49,197 | $157.4K | 0.02% | 00.0% | Unchanged |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 40,500 | $166.1K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 40,803 | $167.3K | 0.00% | +5,707+16.3% | Added |
| Cypress Capital Group | 42,000 | $172.2K | 0.02% | 00.0% | Unchanged |
| Nomura Holdings Inc | 43,681 | $179.1K | 0.00% | −44,788−50.6% | Reduced |
| SG Americas Securities, LLC | 45,324 | $186.0K | 0.00% | +22,623+99.7% | Added |
| Atom Investors LP | 53,266 | $218.4K | 0.02% | +41,133+339.0% | Added |
| Bridgeway Capital Management, LLC | 56,715 | $232.5K | 0.00% | +25,000+78.8% | Added |
| MML Investors Services, LLC | 59,175 | $242.6K | 0.00% | +9,600+19.4% | Added |
| Mindset Wealth Management, LLC | 60,000 | $246.0K | 0.07% | 00.0% | Unchanged |
| American Financial Group Inc | 64,113 | $262.9K | 0.10% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 67,590 | $277.1K | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 87,618 | $359.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 88,117 | $361.3K | 0.00% | +62,845+248.7% | Added |
| Price T Rowe Associates Inc | 89,528 | $368.0K | 0.00% | +12,737+16.6% | Added |
| HighTower Advisors, LLC | 95,184 | $390.3K | 0.00% | +26,000+37.6% | Added |
| Group One Trading, L.P. | 98,297 | $403.0K | 0.01% | −20,692−17.4% | Reduced |
| Rhumbline Advisers | 105,873 | $434.1K | 0.00% | +7,048+7.1% | Added |
| Susquehanna International Group, LLP | 110,579 | $453.4K | 0.00% | −5,547−4.8% | Reduced |
| Ameriprise Financial Inc | 116,536 | $477.8K | 0.00% | 00.0% | Unchanged |
| DeepCurrents Investment Group LLC | 120,918 | $495.8K | 0.02% | −407,211−77.1% | Reduced |
| Invesco Ltd. | 122,075 | $500.5K | 0.00% | +5,387+4.6% | Added |
| Brevan Howard Capital Management LP | 129,393 | $530.5K | 0.01% | +24,094+22.9% | Added |