OmerosOMER
13F holders, Q2 2025 (June 30)127holders −10
17new positions
25sold out
5famous investors
$3.00avg. 13F price*
At the end of Q2 2025, 127 institutions reported holding Omeros Corp. (OMER) in their 13F filings, down 10 from Q1 2025. 17 opened new positions and 25 sold out. The largest holders were BlackRock, Inc. ($12.2M), Ingalls & Snyder LLC ($11.9M) and Vanguard Group Inc. ($9.9M). 5 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Omeros Corp.
- CUSIP
- 682143102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $4.6M |
| Exits | 25 | $3.4M |
All 13F filers, Q1 2025 → Q2 2025: 4,214,357 shares bought and 2,686,064 shares sold, net +1,528,293 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 127 holders
| BlackRock, Inc. | 0.00% | Reduce -7.6% | 4,050,973 | $12.2M |
| Ingalls & Snyder LLC | 0.43% | Add +0.1% | 3,982,913 | $11.9M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 3,283,577 | $9.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -15.0% | 1,647,426 | $4.9M |
| Stifel Financial Corp. | 0.00% | Reduce -2.2% | 1,522,890 | $4.6M |
| Geode Capital Management, LLC | 0.00% | Add +0.1% | 1,369,871 | $4.1M |
| Morgan Stanley | 0.00% | Add +78.3% | 1,355,559 | $4.1M |
| State Street Corp. | 0.00% | Reduce -11.5% | 1,200,126 | $3.6M |
| UBS Group AG | 0.00% | Add +31.5% | 868,500 | $2.6M |
| Marshall Wace, LLP | 0.00% | Add +15.1% | 741,376 | $2.2M |
| Two Sigma Investments, LP | 0.00% | Add +534.4% | 670,219 | $2.0M |
| Bank of Montreal | 0.00% | Add +1.4% | 571,095 | $1.7M |
| Corient Private Wealth LP | 0.00% | Reduce -26.4% | 530,614 | $1.6M |
| DeepCurrents Investment Group LLC | 1.78% | New | 528,129 | $1.6M |
| Royal Bank of Canada | 0.00% | Add +0.9% | 504,068 | $1.5M |
| Northern Trust Corp. | 0.00% | Add +0.0% | 484,768 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.4% | 479,679 | $1.4M |
| Two Sigma Advisers, LP | 0.00% | Add +2627.7% | 422,800 | $1.3M |
| Renaissance Technologies | 0.00% | New | 382,700 | $1.1M |
| Millennium Management | 0.00% | Reduce -14.5% | 269,421 | $808K |
| Goldman Sachs Group Inc. | 0.00% | Add +40.2% | 253,964 | $762K |
| Bank of America Corp. | 0.00% | Add +123.7% | 250,959 | $753K |
| Wellington Management Group LLP | 0.00% | Add +20.1% | 163,413 | $490K |
| Citadel Advisors | 0.00% | Reduce -8.8% | 157,710 | $473K |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.1% | 147,882 | $444K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | New | 142,058 | $426K |
| Barclays PLC | 0.00% | Add +53.5% | 124,831 | $374K |
| Wells Fargo & Company | 0.00% | Add +164.9% | 122,387 | $367K |
| Badgley Phelps Wealth Managers, LLC | 0.01% | Reduce -50.6% | 121,438 | $364K |
| Group One Trading LLC | 0.01% | Add +302.4% | 118,989 | $357K |
| Invesco Ltd. | 0.00% | Add +34.1% | 116,688 | $350K |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.3% | 116,536 | $350K |
| Susquehanna International Group, LLP | 0.00% | Reduce -46.2% | 116,126 | $348K |
| Brevan Howard Capital Management LP | 0.00% | New | 105,299 | $316K |
| Graham Capital Management, L.P. | 0.01% | Add +155.7% | 100,558 | $302K |
| Rhumbline Advisers | 0.00% | Reduce -8.2% | 98,825 | $296K |
| NFSG Corp | 0.05% | New | 93,420 | $280K |
| Squarepoint Ops LLC | 0.00% | Add +270.1% | 88,475 | $265K |
| Nomura Holdings Inc. | 0.00% | Reduce -87.0% | 88,469 | $265K |
| Nuveen, LLC | 0.00% | Reduce -23.2% | 87,618 | $263K |
| Jane Street Group, LLC | 0.00% | Reduce -39.5% | 85,382 | $256K |
| T. Rowe Price Associates Inc. | 0.00% | Add +1.7% | 76,791 | $231K |
| HighTower Advisors, LLC | 0.00% | Add +14.7% | 69,184 | $208K |
| Alliancebernstein L.P. | 0.00% | Add +32.6% | 67,590 | $203K |
| American Financial Group Inc. | 0.07% | No change | 64,113 | $192K |
| XTX Topco Ltd | 0.01% | New | 63,777 | $191K |
| Mindset Wealth Management, LLC | 0.06% | Reduce -4.8% | 60,000 | $180K |
| MML Investors Services, LLC | 0.00% | Add +66.2% | 49,575 | $149K |
| Brooklyn Investment Group | 0.02% | New | 49,197 | $148K |
| Cypress Capital Group | 0.02% | Add +20.7% | 42,000 | $126K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | Add +35.0% | 40,500 | $122K |
| Corton Capital Inc. | 0.14% | New | 38,967 | $117K |
| Gsa Capital Partners LLP | 0.01% | New | 38,132 | $114K |
| Sanctuary Advisors, LLC | 0.00% | New | 35,515 | $107K |
| Deutsche Bank AG | 0.00% | Reduce -16.5% | 35,096 | $105K |
| Comerica Bank | 0.00% | No change | 35,000 | $105K |
| Intech Investment Management LLC | 0.00% | Add +28.4% | 34,108 | $102K |
| MetLife Investment Management, LLC | 0.00% | No change | 33,987 | $102K |
| Stordahl Capital Management, Inc. | 0.02% | No change | 32,656 | $98K |
| JPMorgan Chase & Co. | 0.00% | Reduce -10.6% | 31,985 | $96K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -4.2% | 31,831 | $95K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 31,715 | $95K |
| Brighton Jones LLC | 0.00% | Add +0.2% | 30,777 | $92K |
| Cerity Partners LLC | 0.00% | Add +0.0% | 28,651 | $86K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -62.9% | 26,156 | $84K |
| Coldstream Capital Management Inc. | 0.00% | Reduce -0.0% | 26,830 | $80K |
| BNP Paribas Financial Markets | 0.00% | Add +548.7% | 25,272 | $76K |
| Citigroup Inc. | 0.00% | Reduce -54.7% | 22,689 | $68K |
| SG Americas Securities, LLC | 0.00% | Reduce -21.2% | 22,701 | $68K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +2.8% | 20,560 | $62K |
| Wolverine Trading, LLC | 0.00% | New | 17,487 | $56K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 17,430 | $52K |
| SPC Financial, Inc. | 0.00% | No change | 17,400 | $52K |
| Breakwater Investment Management | 0.02% | No change | 17,048 | $51K |
| Voya Investment Management LLC | 0.00% | Add +1.6% | 15,916 | $48K |
| International Assets Investment Management, LLC | 0.00% | New | 15,550 | $47K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +38.9% | 15,418 | $46K |
| Apella Capital, LLC | 0.00% | No change | 14,288 | $44K |
| AQR Capital Management | 0.00% | Reduce -60.0% | 13,862 | $42K |
| ProShare Advisors LLC | 0.00% | Reduce -6.5% | 13,760 | $41K |
| Harbour Investments, Inc. | 0.00% | Add +46.1% | 13,469 | $40K |
| Sei Investments Co. | 0.00% | Add +11.1% | 13,416 | $40K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +829.6% | 13,414 | $40K |
| Atom Investors LP | 0.00% | New | 12,133 | $36K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +1.2% | 11,768 | $35K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 11,722 | $35K |
| FMR LLC | 0.00% | Reduce -12.7% | 11,640 | $35K |
| HSBC Holdings PLC | 0.00% | Reduce -34.8% | 11,181 | $35K |
| New York State Common Retirement Fund | 0.00% | No change | 11,413 | $34K |
| B. Riley Wealth Advisors, Inc. | 0.00% | No change | 10,760 | $32K |
| Sowell Financial Services LLC | 0.00% | No change | 10,750 | $32K |
| Avantax Planning Partners, Inc. | 0.00% | New | 10,100 | $30K |
| Raymond James Financial Inc. | 0.00% | Reduce -22.1% | 9,781 | $29K |
| Farther Finance Advisors, LLC | 0.00% | Add +24.0% | 7,497 | $22K |
| Legal & General Group Plc | 0.00% | Add +11.8% | 6,100 | $18K |
| Ancora Advisors LLC | 0.00% | No change | 5,800 | $17K |
| Osaic Holdings, Inc. | 0.00% | Reduce -96.7% | 5,332 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 5,027 | $15K |
| Russell Investments Group, Ltd. | 0.00% | Add +434.4% | 5,018 | $15K |
| California State Teachers Retirement System | 0.00% | No change | 4,053 | $12K |
"% of holder's portfolio" is OMER's weight in each manager's 13F, not the share of Omeros Corp. the manager owns.