OMEROS CORP OMER
COM · Common Stock · CUSIP 682143102 · ISIN US6821431029
Company in Seattle, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersSeattle, WA
- Founded1994
- Websiteomeros.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 57.9m as of 2024-08-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $4.06. Options: 6 managers hold calls ($2.1m notional), 9 hold puts ($2.6m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 94 |
| Q4 2022 | 99 |
| Q1 2023 | 92 |
| Q2 2023 | 104 |
| Q3 2023 | 101 |
| Q4 2023 | 98 |
| Q1 2024 | 100 |
| Q2 2024 | 105 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 39 | 40 |
| Q1 2023 | 39 | 42 |
| Q2 2023 | 57 | 42 |
| Q3 2023 | 43 | 37 |
| Q4 2023 | 38 | 46 |
| Q1 2024 | 41 | 45 |
| Q2 2024 | 39 | 44 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $1.5m | $1.3m | 0.92 |
| Q4 2023 | $849.2k | $784.8k | 0.92 |
| Q1 2024 | $1.8m | $1.7m | 0.93 |
| Q2 2024 | $2.1m | $2.6m | 1.25 |
Biggest buyers
| TWO SIGMA INVESTMENTS, LP | Added | +104.5k |
| Corient Private Wealth LP | Added | +102.8k |
| Nuveen Asset Management, LLC | Added | +63.2k |
| Walleye Capital LLC | New | +46.8k |
| TWO SIGMA ADVISERS, LP | Added | +43.8k |
| GOLDMAN SACHS GROUP INC | Added | +42.7k |
| OPPENHEIMER & CO INC | Added | +38.0k |
| JANE STREET GROUP, LLC | Added | +37.3k |
| Verition Fund Management LLC | New | +35.9k |
| Bank of New York Mellon Corp | Added | +31.1k |
Biggest sellers
| MORGAN STANLEY | Reduced | -449.3k |
| WELLINGTON MANAGEMENT GROUP LLP | Sold out | -178.8k |
| BlackRock Inc. | Reduced | -109.5k |
| Ancora Advisors LLC | Reduced | -108.0k |
| INGALLS & SNYDER LLC | Reduced | -105.0k |
| D. E. Shaw & Co., Inc. | Reduced | -101.3k |
| Sheaff Brock Investment Advisors, LLC | Sold out | -60.1k |
| UBS Group AG | Reduced | -56.5k |
| NOMURA HOLDINGS INC | Reduced | -56.3k |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | -45.7k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $873.7k215.2k shares |
| GROUP ONE TRADING LLC | Reduced | $547.3k134.8k shares |
| CITADEL ADVISORS LLC | Added | $254.2k62.6k shares |
| SIMPLEX TRADING, LLC | Added | $248.0k61.3k shares |
| WOLVERINE TRADING, LLC | Added | $160.0k39.4k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| GROUP ONE TRADING LLC | Added | $691.4k170.3k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $433.2k106.7k shares |
| Sculptor Capital LP | Unchanged | $389.8k96.0k shares |
| CITADEL ADVISORS LLC | Added | $345.1k85.0k shares |
| SIMPLEX TRADING, LLC | Added | $286.0k70.5k shares |
| DeepCurrents Investment Group LLC | New | $264.7k652 shares |
| Verition Fund Management LLC | New | $124.6k30.7k shares |
| WOLVERINE TRADING, LLC | Reduced | $63.7k15.7k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2026-07-29 | 8.2% |
Fell to 5% or below in the last year: INGALLS & SNYDER LLC (4.8%, 2026-04-23), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 2 | $65.0k | — |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 2 | $40.5k | 0 | — | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
None reported in Q2 2024.
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| INGALLS & SNYDER LLC 0.81% of their portfolio | 4.6m $18.6m | Reduced -105.0k |
| BlackRock Inc. 0.00% of their portfolio | 4.1m $16.7m | Reduced -109.5k |
| VANGUARD GROUP INC 0.00% of their portfolio | 3.2m $13.1m | Reduced -31.2k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 1.9m $7.7m | Reduced -6.5k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 1.6m $6.4m | Reduced -101.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.3m $5.4m | Reduced -45.7k |
| STATE STREET CORP 0.00% of their portfolio | 1.2m $5.0m | Reduced -14.6k |
| Corient Private Wealth LP 0.01% of their portfolio | 726.5k $2.9m | Added +102.8k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 563.1k $2.4m | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 515.5k $2.1m | Reduced -21.8k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 512.8k $2.1m | Reduced -41.3k |
| UBS Group AG 0.00% of their portfolio | 482.1k $2.0m | Reduced -56.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 466.6k $1.9m | Reduced -37.8k |
| NOMURA HOLDINGS INC 0.01% of their portfolio | 394.5k $1.6m | Reduced -56.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 218.6k $887.4k | Added +31.1k |
| MORGAN STANLEY 0.00% of their portfolio | 197.4k $801.2k | Reduced -449.3k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 162.8k $661.0k | Reduced -15.3k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 161.3k $654.9k | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 159.4k $647.4k | Added +104.5k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.01% of their portfolio | 156.0k $633.2k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 123.7k $502.3k | Added +13.7k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 118.5k $481.1k | Added +63.2k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 118.2k $479.8k | Reduced -1.3k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 111.8k $453.8k | Added +6.4k |
| Sculptor Capital LP 0.01% of their portfolio | 96.0k $389.8k | Unchanged |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 90.5k $367.5k | Added +42.7k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 79.0k $320.7k | Added +43.8k |
| Badgley Phelps Wealth Managers, LLC 0.01% of their portfolio | 78.6k $318.9k | Unchanged |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 75.4k $306.0k | Reduced -35.9k |
| AMERICAN FINANCIAL GROUP INC 0.11% of their portfolio | 64.1k $260.0k | Unchanged |
| OPPENHEIMER & CO INC 0.00% of their portfolio | 62.5k $253.8k | Added +38.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 61.6k $250.0k | Added +24.0k |
| HighTower Advisors, LLC 0.00% of their portfolio | 55.3k $224.0k | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 54.6k $221.5k | Added +877 |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 50.3k $204.1k | Added +37.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 48.5k $196.8k | Reduced -4.8k |
| Walleye Capital LLC 0.00% of their portfolio | 46.8k $190.0k | New |
| BARCLAYS PLC 0.00% of their portfolio | 42.8k $173.6k | Reduced -34.9k |
| Invesco Ltd. 0.00% of their portfolio | 37.5k $152.1k | Added +803 |
| Verition Fund Management LLC 0.00% of their portfolio | 35.9k $145.6k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 35.2k $143.0k | Unchanged |
| Cypress Capital Group 0.02% of their portfolio | 35.0k $142.1k | Added +10.0k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 34.7k $141.0k | Added +13.6k |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 34.1k $138.0k | Reduced -38.4k |
| BRIGHTON JONES LLC 0.00% of their portfolio | 33.5k $136.1k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 30.9k $125.5k | First filing |
| Corebridge Financial, Inc. 0.00% of their portfolio | 30.1k $122.2k | First filing |
| COMERICA BANK 0.00% of their portfolio | 30.0k $121.8k | Unchanged |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management 0.00% of their portfolio | 30.0k $121.8k | Unchanged |
| COLDSTREAM CAPITAL MANAGEMENT INC 0.00% of their portfolio | 27.8k $113.0k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 27.4k $111.3k | Added +3.6k |
| Cerity Partners LLC 0.00% of their portfolio | 26.4k $107.3k | Added +4.6k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 25.8k $104.7k | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 24.3k $98.7k | Added +53 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 23.8k $96.6k | Reduced -4.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 22.4k $91.1k | Reduced -2.7k |
| HOHIMER WEALTH MANAGEMENT, LLC 0.02% of their portfolio | 22.0k $89.3k | Unchanged |
| GSA CAPITAL PARTNERS LLP 0.01% of their portfolio | 21.5k $87.0k | Reduced -273 |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 20.1k $81.7k | Added +8.4k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 19.5k $79.0k | Unchanged |
| TOWNSQUARE CAPITAL LLC 0.00% of their portfolio | 18.8k $76.5k | Reduced -651 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 17.4k $70.8k | New |
| Breakwater Investment Management 0.03% of their portfolio | 17.0k $69.2k | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 17.0k $68.9k | Reduced -9.6k |
| HRT FINANCIAL LP 0.00% of their portfolio | 16.3k $66.0k | Reduced -900 |
| MML INVESTORS SERVICES, LLC 0.00% of their portfolio | 15.6k $63.0k | New |
| WOLVERINE TRADING, LLC 0.00% of their portfolio | 14.7k $59.7k | New |
| Apella Capital, LLC 0.00% of their portfolio | 14.3k $55.7k | Unchanged |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 14.2k $58.0k | Reduced -500 |
| Gilbert & Cook, Inc. 0.01% of their portfolio | 13.8k $55.8k | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 12.9k $52.3k | Added +1.7k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 11.7k $47.5k | Added +11.3k |
| Sonora Investment Management Group, LLC 0.00% of their portfolio | 11.5k $39.8k | Unchanged |
| B. Riley Wealth Advisors, Inc. 0.00% of their portfolio | 11.3k $45.9k | Reduced -4.1k |
| FMR LLC 0.00% of their portfolio | 10.7k $43.5k | Added +842 |
| Ancora Advisors LLC 0.00% of their portfolio | 10.6k $42.8k | Reduced -108.0k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 10.4k $41.1k | Reduced -4.3k |
| Empire Life Investments Inc. 0.00% of their portfolio | 9.0k $36.4k | Added +81 |
| Bear Mountain Capital, Inc. 0.01% of their portfolio | 7.0k $29.7k | Unchanged |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 6.0k $23.9k | Added +29 |
| Legal & General Group Plc 0.00% of their portfolio | 5.5k $22.2k | Reduced -253 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 5.4k $21.8k | Reduced -24.7k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 5.0k $20.4k | Unchanged |
| Blue Trust, Inc. 0.00% of their portfolio | 5.0k $17.2k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 4.1k $16.5k | Reduced -2.1k |
| CREATIVE FINANCIAL DESIGNS INC /ADV 0.00% of their portfolio | 3.5k $14.4k | Unchanged |
| VOISARD ASSET MANAGEMENT GROUP, INC. 0.01% of their portfolio | 3.0k $12.2k | New |
| CWM, LLC 0.00% of their portfolio | 2.1k $9.0k | New |
| AMALGAMATED BANK 0.00% of their portfolio | 2.1k $8.0k | Unchanged |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 2.0k $8.0k | New |
| SRH ADVISORS, LLC 0.00% of their portfolio | 2.0k $8.0k | Unchanged |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 1.3k $5.2k | New |
| Private Ocean, LLC 0.00% of their portfolio | 1.2k $5.1k | New |
| FIFTH THIRD BANCORP 0.00% of their portfolio | 1.0k $4.1k | Unchanged |
| Capital Analysts, LLC 0.00% of their portfolio | 1.0k $4.0k | Unchanged |
| PICTON MAHONEY ASSET MANAGEMENT 0.00% of their portfolio | 555 $2.0k | New |
| BELLEVUE ASSET MANAGEMENT, LLC 0.00% of their portfolio | 511 $2.1k | Unchanged |
| Spotlight Asset Group, Inc. 0.00% of their portfolio | 330 $1.3k | Unchanged |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 300 $1.2k | Unchanged |
| MACQUARIE GROUP LTD 0.00% of their portfolio | 206 $836 | New |