Omeros Corporation Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 11/12/2025 | 4.45 M | $18.25 M | 9.90% | 7.60% |
| INGALLS & SNYDER LLC | 11/07/2025 | 4.11 M | $16.84 M | 3.11% | 7.01% |
| VANGUARD GROUP INC | 11/07/2025 | 3.35 M | $13.72 M | 1.93% | 5.71% |
| MORGAN STANLEY | 11/14/2025 | 1.99 M | $8.16 M | 46.78% | 3.40% |
| STIFEL FINANCIAL CORP | 11/12/2025 | 1.81 M | $7.43 M | 19.00% | 3.09% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 1.54 M | $6.30 M | 12.08% | 2.62% |
| POLAR ASSET MANAGEMENT PARTNERS INC. | 12/01/2025 | 1.50 M | $6.14 M | 100.00% | 2.56% |
| POLAR ASSET MANAGEMENT PARTNERS INC. | 12/01/2025 | 1.37 M | $5.63 M | 100.00% | 2.35% |
| STATE STREET CORP | 11/14/2025 | 1.24 M | $5.08 M | 3.30% | 2.12% |
| AFFINITY ASSET ADVISORS, LLC | 11/13/2025 | 1.13 M | $4.65 M | 261.11% | 1.94% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 1.01 M | $4.12 M | -38.98% | 1.72% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 933.31 K | $3.83 M | 39.26% | 1.59% |
| UBS GROUP AG | 11/13/2025 | 709.09 K | $2.91 M | -18.35% | 1.21% |
| CI PRIVATE WEALTH, LLC | 11/14/2025 | 608.76 K | $2.50 M | 14.73% | 1.04% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 578.20 K | $2.37 M | 36.76% | 0.99% |
| BANK OF MONTREAL /CAN/ | 11/13/2025 | 563.10 K | $2.31 M | -1.40% | 0.96% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 555.50 K | $2.28 M | 75.90% | 0.95% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 553.47 K | $2.27 M | 15.38% | 0.94% |
| ROYAL BANK OF CANADA | 11/14/2025 | 543.68 K | $2.23 M | 7.86% | 0.93% |
| NORTHERN TRUST CORP | 11/14/2025 | 535.70 K | $2.20 M | 10.51% | 0.91% |
| MARSHALL WACE, LLP | 11/13/2025 | 464.18 K | $1.90 M | -37.39% | 0.79% |
| JPMORGAN CHASE & CO | 11/26/2025 | 416.15 K | $1.71 M | 1,201.09% | 0.71% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 401.81 K | $1.65 M | 49.14% | 0.69% |
| CITADEL ADVISORS LLC | 11/14/2025 | 393.23 K | $1.61 M | 149.34% | 0.67% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 344.50 K | $1.41 M | -9.98% | 0.59% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 336.09 K | $1.38 M | 32.34% | 0.57% |
| CAPTION MANAGEMENT, LLC | 11/14/2025 | 325.00 K | $1.33 M | 100.00% | 0.55% |
| CITADEL ADVISORS LLC | 11/14/2025 | 324.20 K | $1.33 M | 40.65% | 0.55% |
| JEFFERIES FINANCIAL GROUP INC. | 11/13/2025 | 300.00 K | $1.23 M | 0.00% | 0.51% |
| JANE STREET GROUP, LLC | 11/14/2025 | 281.09 K | $1.15 M | 229.21% | 0.48% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 275.42 K | $1.13 M | 9.75% | 0.47% |
| BADGLEY PHELPS WEALTH MANAGERS, LLC | 11/04/2025 | 263.56 K | $1.08 M | 117.03% | 0.45% |
| WELLINGTON MANAGEMENT GROUP LLP | 11/14/2025 | 194.45 K | $797.23 K | 18.99% | 0.33% |
| SUSQUEHANNA PORTFOLIO STRATEGIES, LLC | 11/14/2025 | 171.09 K | $701.46 K | 20.44% | 0.29% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 170.20 K | $697.82 K | 98.14% | 0.29% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 162.35 K | $665.61 K | 9.78% | 0.28% |
| SQUAREPOINT OPS LLC | 11/14/2025 | 155.50 K | $637.53 K | 75.75% | 0.27% |
| NEWBRIDGE FINANCIAL SERVICES GROUP, INC. | 11/13/2025 | 134.51 K | $551.49 K | 43.98% | 0.23% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 134.10 K | $549.83 K | 9.57% | 0.23% |
| BARCLAYS PLC | 11/12/2025 | 131.95 K | $540.99 K | 5.70% | 0.23% |
| BREVAN HOWARD CAPITAL MANAGEMENT LP | 11/14/2025 | 129.39 K | $530.51 K | 22.88% | 0.22% |
| INVESCO LTD. | 11/13/2025 | 122.08 K | $500.51 K | 4.62% | 0.21% |
| DEEPCURRENTS INVESTMENT GROUP LLC | 11/14/2025 | 120.92 K | $495.76 K | -77.10% | 0.21% |
| AMERIPRISE FINANCIAL INC | 11/14/2025 | 116.54 K | $477.80 K | 0.00% | 0.20% |
| CAPSTONE INVESTMENT ADVISORS, LLC | 11/14/2025 | 111.40 K | $456.74 K | 221.04% | 0.19% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 110.58 K | $453.37 K | -4.78% | 0.19% |
| RHUMBLINE ADVISERS | 11/06/2025 | 105.87 K | $434.07 K | 7.13% | 0.18% |
| GROUP ONE TRADING, L.P. | 11/12/2025 | 98.30 K | $403.02 K | -17.39% | 0.17% |
| WOLVERINE TRADING, LLC | 11/14/2025 | 97.00 K | $405.46 K | 370.87% | 0.17% |
| HIGHTOWER ADVISORS, LLC | 11/07/2025 | 95.18 K | $390.25 K | 37.58% | 0.16% |
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Omeros Corporation institutional Ownership - FAQ's
During the previous two years, 180 institutional investors and hedge funds held shares of Omeros Corporation. The most heavily invested institutionals were:
BlackRock, Inc.: 4.45 M
INGALLS & SNYDER LLC: 4.11 M
VANGUARD GROUP INC: 3.35 M
MORGAN STANLEY: 1.99 M
STIFEL FINANCIAL CORP: 1.81 M
GEODE CAPITAL MANAGEMENT, LLC: 1.54 M
56.07% of Omeros Corporation stock is owned by institutional investors.
Institutional investors have bought a total of 42.36 M shares in the last 24 months. This purchase volume represents approximately $194.00 M in transactions.