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 2026
Institutional positions in Omeros Corp as of Jun 30, 2026. 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
- 171
- +10 vs. Q1 2026
- Shares held
- 36.1M
- +5.21M (+16.9%) vs. Q1 2026
- Total value
- $343.0M
- +$16.8M (+5.2%) vs. Q1 2026
- New holders
- 35
- 68 more added
- Sold out
- 25
- 42 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Omeros Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 33 | $0 | 0.00% | +23+230.0% | Added |
| Caitong International Asset Management Co., Ltd | 3 | $29 | 0.00% | −3,188−99.9% | Reduced |
| Silver Grove Financial Group, Inc. | 4 | $38 | 0.00% | +4 | New |
| Essential Partners LLC | 11 | $105 | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 15 | $143 | 0.00% | −24−61.5% | Reduced |
| EverSource Wealth Advisors, LLC | 17 | $162 | 0.00% | −113−86.9% | Reduced |
| IFP Advisors, Inc | 26 | $247 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 40 | $380 | 0.00% | +40 | New |
| Zions Bancorporation, National Association | 48 | $456 | 0.00% | +48 | New |
| IFG Advisory, LLC | 50 | $476 | 0.00% | +50 | New |
| Huntington National Bank | 47 | $561 | 0.00% | +47 | New |
| SJS Investment Consulting Inc. | 70 | $666 | 0.00% | +70 | New |
| GAMMA Investing LLC | 128 | $1.22K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 130 | $1.24K | 0.00% | −370−74.0% | Reduced |
| Truvestments Capital LLC | 146 | $1.39K | 0.00% | −800−84.6% | Reduced |
| Larson Financial Group LLC | 150 | $1.43K | 0.00% | −358−70.5% | Reduced |
| CDKV Holdings LLC | 155 | $1.48K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 209 | $1.99K | 0.00% | +1+0.5% | Added |
| Federation des caisses Desjardins du Quebec | 300 | $2.85K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 393 | $3.41K | 0.00% | −800−67.1% | Reduced |
| Walleye Capital LLC | 374 | $3.56K | 0.00% | −34,159−98.9% | Reduced |
| The PNC Financial Services Group, Inc. | 410 | $3.90K | 0.00% | +33+8.8% | Added |
| Rockefeller Capital Management L.P. | 460 | $4.37K | 0.00% | −515−52.8% | Reduced |
| Allworth Financial LP | 464 | $4.41K | 0.00% | −33−6.6% | Reduced |
| Bear Mountain Capital, Inc. | 485 | $5.09K | 0.00% | 00.0% | Unchanged |
| Philadelphia Investment Partners, LLC | 729 | $6.93K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 745 | $7.08K | 0.00% | +162+27.8% | Added |
| Parallel Advisors, LLC | 750 | $7.13K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 805 | $7.66K | 0.00% | +805 | New |
| Plante Moran Financial Advisors, LLC | 1,000 | $9.51K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,006 | $9.57K | 0.00% | +337+50.4% | Added |
| Nisa Investment Advisors, LLC | 1,049 | $9.98K | 0.00% | −2,376−69.4% | Reduced |
| Capital Analysts, LLC | 1,000 | $10.0K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 1,130 | $10.7K | 0.00% | +1,130 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,231 | $11.7K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,300 | $12.4K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,502 | $14.3K | 0.00% | −81−5.1% | Reduced |
| Institute for Wealth Management, LLC. | 1,600 | $15.2K | 0.00% | +1,600 | New |
| Strategic Investment Solutions, Inc. | 1,826 | $17.4K | 0.00% | −1−0.1% | Reduced |
| SRS Capital Advisors, Inc. | 1,919 | $18.3K | 0.00% | +1,919 | New |
| Steward Partners Investment Advisory, LLC | 2,191 | $20.8K | 0.00% | +691+46.1% | Added |
| Optiver Holding B.V. | 3,021 | $28.7K | 0.00% | −660−17.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,237 | $30.8K | 0.00% | −461−12.5% | Reduced |
| Royal Bank of Canada | 3,230 | $31.0K | 0.00% | +2,430+303.8% | Added |
| Assetmark, Inc | 3,600 | $34.2K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 5,204 | $49.5K | 0.00% | +101+2.0% | Added |
| Great West Life Assurance Co | 6,456 | $61.0K | 0.00% | +6,456 | New |
| Ameritas Investment Partners, Inc. | 6,547 | $62.3K | 0.00% | +1,520+30.2% | Added |
| Tower Research Capital LLC (TRC) | 6,762 | $64.3K | 0.00% | −1,649−19.6% | Reduced |
| Atlantic Union Bankshares Corp | 7,000 | $66.6K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 7,102 | $67.5K | 0.00% | −4−0.1% | Reduced |
| Advisor Group Holdings, Inc. | 7,995 | $76.0K | 0.00% | −356−4.3% | Reduced |
| Simplex Trading, LLC | 8,859 | $84.2K | 0.00% | −28,667−76.4% | Reduced |
| Sowell Financial Services LLC | 10,650 | $101.3K | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 10,663 | $101.4K | 0.00% | +10,663 | New |
| RTD Financial Advisors, Inc. | 11,700 | $111.3K | 0.01% | +11,700 | New |
| ProShare Advisors LLC | 11,818 | $112.4K | 0.00% | −1,300−9.9% | Reduced |
| National Asset Management, Inc. | 11,369 | $112.7K | 0.01% | 00.0% | Unchanged |
| SEI Investments Co | 13,171 | $125.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 13,485 | $128.2K | 0.00% | −43,423−76.3% | Reduced |
| Voya Investment Management LLC | 14,292 | $135.9K | 0.00% | +2,769+24.0% | Added |
| Engineers Gate Manager LP | 14,536 | $138.2K | 0.00% | +14,536 | New |
| Cypress Capital Group | 15,000 | $142.7K | 0.01% | +15,000 | New |
| China Universal Asset Management Co., Ltd. | 15,119 | $143.8K | 0.01% | −3,863−20.4% | Reduced |
| Virginia Retirement Systems Et Al | 15,400 | $146.5K | 0.00% | +15,400 | New |
| KLP Kapitalforvaltning AS | 15,500 | $147.4K | 0.00% | +15,500 | New |
| Apella Capital, LLC | 14,288 | $147.6K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 15,643 | $148.8K | 0.00% | −3,034−16.2% | Reduced |
| Bridgefront Capital, LLC | 15,773 | $150.0K | 0.04% | +15,773 | New |
| Two Sigma Securities, LLC | 15,939 | $151.6K | 0.01% | +15,939 | New |
| Breakwater Investment Management | 17,048 | $162.1K | 0.06% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 17,295 | $164.5K | 0.00% | +17,295 | New |
| Pictet Asset Management Holding SA | 18,029 | $171.5K | 0.00% | +18,029 | New |
| Arizona State Retirement System | 18,873 | $179.5K | 0.00% | +18,873 | New |
| Manufacturers Life Insurance Company, The | 18,965 | $180.4K | 0.00% | +511+2.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 19,265 | $183.2K | 0.00% | +2,905+17.8% | Added |
| Rafferty Asset Management, LLC | 19,474 | $185.2K | 0.00% | +7,176+58.4% | Added |
| DeepCurrents Investment Group LLC | 19,971 | $189.9K | 0.01% | +7,841+64.6% | Added |
| Jane Street Group, LLC | 20,166 | $191.8K | 0.00% | −125,141−86.1% | Reduced |
| New York State Common Retirement Fund | 20,713 | $197.0K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 21,869 | $208.0K | 0.00% | +3,593+19.7% | Added |
| State of New Jersey Common Pension Fund D | 22,115 | $210.3K | 0.00% | +22,115 | New |
| Stordahl Capital Management, Inc. | 22,860 | $217.4K | 0.04% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 23,139 | $220.1K | 0.00% | +1,114+5.1% | Added |
| Axq Capital, LP | 23,246 | $221.1K | 0.02% | −15,569−40.1% | Reduced |
| Creative Planning | 23,282 | $221.4K | 0.00% | +2,235+10.6% | Added |
| Atom Investors LP | 23,945 | $227.7K | 0.02% | +23,945 | New |
| Profund Advisors LLC | 26,319 | $250.3K | 0.01% | +5,672+27.5% | Added |
| Merit Financial Group, LLC | 26,840 | $255.2K | 0.00% | −153−0.6% | Reduced |
| Bridgeway Capital Management, LLC | 27,000 | $256.8K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 29,726 | $282.7K | 0.00% | −452−1.5% | Reduced |
| Russell Investments Group, Ltd. | 30,282 | $288.0K | 0.00% | +16,284+116.3% | Added |
| Jupiter Topco LLC | 30,500 | $290.2K | 0.00% | +30,500 | New |
| Avantax Planning Partners, Inc. | 31,100 | $295.8K | 0.01% | +10,000+47.4% | Added |
| Brighton Jones LLC | 31,597 | $300.5K | 0.01% | −283−0.9% | Reduced |
| Colony Group, LLC | 31,723 | $301.7K | 0.00% | −15,859−33.3% | Reduced |
| Compass Financial Management LLC | 32,815 | $312.1K | 0.04% | +32,815 | New |
| Diametric Capital, LP | 33,010 | $313.9K | 0.03% | +3,688+12.6% | Added |
| LPL Financial LLC | 33,033 | $314.1K | 0.00% | +13,425+68.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 33,217 | $315.9K | 0.00% | +1,516+4.8% | Added |