Omeros Corporation Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/13/2026 | 5.31 M | $56.07 M | 4.88% | 8.36% |
| INGALLS & SNYDER LLC | 05/13/2026 | 3.56 M | $37.59 M | 3.21% | 5.60% |
| 05/15/2026 | 2.98 M | $31.50 M | 100.00% | 4.70% | |
| UBS GROUP AG | 05/05/2026 | 2.34 M | $24.72 M | 5.30% | 3.69% |
| STATE STREET CORP | 05/15/2026 | 1.92 M | $20.27 M | 21.99% | 3.02% |
| STIFEL FINANCIAL CORP | 05/12/2026 | 1.83 M | $19.34 M | 1.21% | 2.88% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 1.75 M | $18.51 M | 7.42% | 2.76% |
| CI PRIVATE WEALTH, LLC | 05/15/2026 | 801.41 K | $8.46 M | 16.48% | 1.26% |
| 05/08/2026 | 718.68 K | $7.59 M | 100.00% | 1.13% | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 582.51 K | $6.15 M | -1.81% | 0.92% |
| BANK OF MONTREAL /CAN/ | 05/13/2026 | 568.43 K | $6.00 M | -5.52% | 0.90% |
| NORTHERN TRUST CORP | 05/14/2026 | 563.87 K | $5.95 M | 7.05% | 0.89% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 515.10 K | $5.44 M | -55.58% | 0.81% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 492.35 K | $5.20 M | 100.00% | 0.78% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 485.03 K | $5.12 M | -34.62% | 0.76% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 410.61 K | $4.34 M | -7.06% | 0.65% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 404.00 K | $4.27 M | -31.93% | 0.64% |
| MORGAN STANLEY | 05/15/2026 | 317.89 K | $3.36 M | -17.68% | 0.50% |
| 05/14/2026 | 300.00 K | $3.17 M | 100.00% | 0.47% | |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 286.47 K | $3.03 M | -45.41% | 0.45% |
| BADGLEY PHELPS WEALTH MANAGERS, LLC | 04/15/2026 | 263.56 K | $2.78 M | 0.00% | 0.42% |
| CITADEL ADVISORS LLC | 05/15/2026 | 260.05 K | $2.75 M | 8.19% | 0.41% |
| CITADEL ADVISORS LLC | 05/15/2026 | 234.30 K | $2.47 M | -42.63% | 0.37% |
| CITADEL ADVISORS LLC | 05/15/2026 | 219.80 K | $2.32 M | -44.30% | 0.35% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 204.81 K | $2.16 M | 78.39% | 0.32% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 202.89 K | $2.14 M | -10.74% | 0.32% |
| POLAR ASSET MANAGEMENT PARTNERS INC. | 05/15/2026 | 200.00 K | $2.11 M | 190.70% | 0.31% |
| JUMP FINANCIAL, LLC | 05/14/2026 | 195.82 K | $2.07 M | -14.11% | 0.31% |
| WELLINGTON MANAGEMENT GROUP LLP | 05/15/2026 | 187.30 K | $1.98 M | -7.56% | 0.29% |
| INVESCO LTD. | 05/12/2026 | 180.63 K | $1.91 M | 16.70% | 0.28% |
| ITAU UNIBANCO HOLDING S.A. | 05/14/2026 | 180.00 K | $3.05 M | 0.00% | 0.28% |
| DIMENSIONAL FUND ADVISORS LP | 05/07/2026 | 179.59 K | $1.90 M | 85.25% | 0.28% |
| PROSIGHT MANAGEMENT, LP | 05/15/2026 | 174.80 K | $1.85 M | 100.00% | 0.28% |
| BANK OF NEW YORK MELLON CORP | 05/05/2026 | 166.25 K | $1.76 M | 0.28% | 0.26% |
| NUVEEN, LLC | 04/30/2026 | 154.20 K | $1.63 M | 0.66% | 0.24% |
| JANE STREET GROUP, LLC | 05/12/2026 | 145.31 K | $1.53 M | -68.66% | 0.23% |
| JANE STREET GROUP, LLC | 05/12/2026 | 122.50 K | $1.29 M | 11.87% | 0.19% |
| WELLS FARGO & COMPANY/MN | 05/11/2026 | 118.34 K | $1.25 M | -28.40% | 0.19% |
| AMERIPRISE FINANCIAL INC | 05/15/2026 | 117.95 K | $1.25 M | 0.81% | 0.19% |
| ANCORA ADVISORS, LLC | 05/15/2026 | 115.00 K | $1.21 M | 94.09% | 0.18% |
| HIGHTOWER ADVISORS, LLC | 05/05/2026 | 110.63 K | $1.17 M | 6.31% | 0.17% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/15/2026 | 107.29 K | $1.13 M | 12.06% | 0.17% |
| RHUMBLINE ADVISERS | 05/12/2026 | 102.82 K | $1.09 M | 2.71% | 0.16% |
| SUSQUEHANNA PORTFOLIO STRATEGIES, LLC | 05/15/2026 | 92.76 K | $979.54 K | 0.00% | 0.15% |
| CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 04/30/2026 | 88.57 K | $935.00 K | 8.48% | 0.14% |
| JANE STREET GROUP, LLC | 05/12/2026 | 84.00 K | $887.04 K | -50.91% | 0.13% |
| MARSHALL WACE, LLP | 05/15/2026 | 83.68 K | $883.68 K | 100.00% | 0.13% |
| WALLEYE CAPITAL LLC | 05/13/2026 | 81.80 K | $863.81 K | 133.71% | 0.13% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 71.17 K | $751.53 K | -90.57% | 0.11% |
| ALLIANCEBERNSTEIN L.P. | 05/15/2026 | 66.99 K | $1.15 M | -8.84% | 0.11% |
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Omeros Corporation institutional Ownership - FAQ's
During the previous two years, 220 institutional investors and hedge funds held shares of Omeros Corporation. The most heavily invested institutionals were:
BlackRock, Inc.: 5.31 M
INGALLS & SNYDER LLC: 3.56 M
UBS Group AG: 2.34 M
STATE STREET CORP: 1.92 M
STIFEL FINANCIAL CORP: 1.83 M
GEODE CAPITAL MANAGEMENT, LLC: 1.75 M
48.80% of Omeros Corporation stock is owned by institutional investors.
Institutional investors have bought a total of 41.65 M shares in the last 24 months. This purchase volume represents approximately $470.22 M in transactions.