OMER · Company research
Omeros Corporation (OMER): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Caption Management, LLC | 1706766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 364100 | 3462591 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLINGTON MANAGEMENT GROUP LLP | 902219 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 130684 | 1242805 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sixth Street Partners Management Company, L.P. | 1812095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 604633 | 5750060 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cypress Capital Group | 1341748 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15000 | 142650 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| RTD Financial Advisors, Inc. | 1810555 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11700 | 111267 | — | — | — | Jul 13, 2026 | SEC_13F_DATASET |
| PROFUND ADVISORS LLC | 1129919 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26319 | 250294 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BANK OF MONTREAL /CAN/ | 927971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 563095 | 5355033 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Investments Australia, Ltd. | 1550100 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17295 | 164475 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Affinity Asset Advisors, LLC | 1773195 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1411300 | 13421463 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 265 | 2520 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Silver Grove Financial Group, Inc. | 2111172 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4 | 38 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DeepCurrents Investment Group LLC | 1754535 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7472000 | 13882379 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/ | 109380 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48 | 456 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30500 | 290208 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 962828 | 9156494 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 971300 | 9237063 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Atlantic Union Bankshares Corp | 883948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7000 | 66570 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18965 | 180357 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6762 | 64307 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Creative Planning | 1540235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23108 | 219757 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 426554 | 4056529 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Virtus Investment Advisers, LLC | 19481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 133129 | 1266057 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200300 | 1904853 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 157880 | 1501439 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 1818604 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40400 | 380164 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| Integrated Wealth Concepts LLC | 1737109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 127 | 1210 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 137300 | 1305723 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MassMutual Private Wealth & Trust, FSB | 1103653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 745 | 7085 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| PRUDENTIAL FINANCIAL INC | 1137774 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42385 | 403081 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| AMERICAN FINANCIAL GROUP INC | 1042046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 64113 | 609715 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| INTECH INVESTMENT MANAGEMENT LLC | 1086318 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21869 | 207974 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14292 | 135917 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 141400 | 1344714 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| IFG Advisory, LLC | 1728319 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50 | 476 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3072050 | 29215196 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20618 | 196077 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98047 | 932427 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 1005354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15400 | 146454 | — | — | — | Aug 25, 2026 | SEC_13F_DATASET |
| NATIONAL BANK OF CANADA /FI/ | 926171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40 | 380 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 720192 | 75730 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42841 | 407418 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1049 | 9976 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33033 | 314144 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1919 | 18251 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 83786 | 796805 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Pinnacle Wealth Planning Services, Inc. | 1726752 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1231 | 11707 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Stone House Investment Management, LLC | 1696497 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 143 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| WHITEBOX ADVISORS LLC | 1257391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9533000 | 17703069 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 89289 | 849138 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| B. Riley Wealth Advisors, Inc. | 1464811 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11369 | 112666 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| ARIZONA STATE RETIREMENT SYSTEM | 1558481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18873 | 179482 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Focus Partners Wealth | 1542153 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31723 | 301686 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13485 | 128242 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Institute for Wealth Management, LLC. | 1533954 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1600 | 15216 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| Rock Springs Capital Management LP | 1595725 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 718499 | 6832925 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18380000 | 34694122 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6547 | 62262 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MML INVESTORS SERVICES, LLC | 701059 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118175 | 1123844 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 29 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1006 | 9567 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14536 | 138237 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 155500 | 1478805 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Federation des caisses Desjardins du Quebec | 2022297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300 | 2853 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Headlands Technologies LLC | 1570271 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 45401 | 431764 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| COLDSTREAM CAPITAL MANAGEMENT INC | 1082339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 84743 | 805906 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Persistent Asset Partners Ltd | 2056052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1130 | 10746 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| TWO SIGMA SECURITIES, LLC | 1450144 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15939 | 151580 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AXQ CAPITAL, LP | 1916908 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23246 | 221069 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| FIFTH THIRD BANCORP | 35527 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39000 | 370890 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98463 | 936383 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HighTower Advisors, LLC | 1462245 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 115368 | 1097151 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Optiver Holding B.V. | 1859606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3021 | 28730 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2191 | 20836 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MINDSET WEALTH MANAGEMENT, LLC | 2044232 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70600 | 671406 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 712790 | 6778633 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 47 | 561 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JUPITER ASSET MANAGEMENT LTD | 1215838 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 76186 | 724529 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68666 | 653014 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1705339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33217 | 315894 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20713 | 196981 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.