Security record
OMER
Omeros Corporation · Healthcare · Biotechnology
75Tracked holders
-1Δ holders
26.88MShares held
$255.76MReported value
+8New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -1.3% ·
share flow +14.1% ·
net new positions -1.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 75 | -1 | 26.88M | $255.76M | +8 | −9 |
| Q1 2026 | 78 | +7 | 23.56M | $249.21M | +9 | −2 |
| Q4 2025 | 71 | -2 | 30.19M | $466.97M | — | −2 |
| Q3 2025 | 17 | 0 | 17.59M | $72.13M | — | — |
| Q2 2025 | 14 | +1 | 14.04M | $42.12M | +1 | — |
| Q1 2025 | 10 | +1 | 6.15M | $50.54M | +1 | — |
| Q4 2024 | 9 | 0 | 4.83M | $47.77M | +1 | −1 |
| Q3 2024 | 8 | +1 | 3.34M | $13.26M | +1 | — |
| Q2 2024 | 7 | — | 3.21M | $13.02M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.04M | +13.8% | $57.48M | 0.0% | ▲ Add | 5 | SEC ↗ ×12 |
| 2 | UBS Group AG | 3.15M | +34.5% | $29.94M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 3 | Vanguard Capital Management Llc | 3.07M | +3.0% | $29.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 2.32M | +20.9% | $22.06M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.91M | +9.2% | $18.21M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 6 | Stifel Financial Corp | 1.84M | +0.3% | $17.47M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 7 | Invesco Ltd. | 751.77K | +316.2% | $7.15M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 8 | Northern Trust Corp | 727.35K | +29.0% | $6.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 9 | Corient Private Wealth LP | 659.73K | -17.7% | $6.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Charles Schwab Investment… | 604.63K | +3.8% | $5.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Bank Of Montreal /Can/ | 568.42K | 0.0% | $5.41M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | Federated Hermes, Inc. | 478.29K | New | $4.55M | 0.0% | New | 1 | SEC ↗ ×2 |
| 13 | Two Sigma Investments ✦ | 402.66K | +40.6% | $3.83M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 14 | Morgan Stanley ✦ | 394.46K | +24.1% | $3.75M | 0.0% | ▲ Add | 4 | SEC ↗ ×7 |
| 15 | Millennium Management ✦ | 343.84K | -16.3% | $3.27M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 16 | Susquehanna International Group, Llp | 325.19K | -33.0% | $3.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 17 | Wellington Management ✦ | 204.54K | +9.2% | $1.95M | 0.0% | ▲ Add | 6 | SEC ↗ ×3 |
| 18 | Bank of New York Mellon Corp | 195.99K | +17.9% | $1.86M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 19 | Bank Of America Corp /De/ | 194.14K | -5.2% | $1.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 20 | Nuveen, LLC | 169.95K | +10.2% | $1.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 21 | Goldman Sachs Group ✦ | 157.01K | -22.6% | $1.49M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 22 | Wells Fargo & Company/Mn | 156.89K | +32.6% | $1.49M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 23 | Swiss National Bank | 137.30K | New | $1.31M | 0.0% | New | 1 | SEC ↗ |
| 24 | T. Rowe Price ✦ | 129.55K | +20.7% | $1.23M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 25 | Hrt Financial Lp | 118.70K | New | $1.13M | 0.0% | New | 1 | SEC ↗ |
| 26 | Mml Investors Services, Llc | 118.17K | +104.9% | $1.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 117.46K | -0.4% | $1.12M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 28 | HighTower Advisors, LLC | 115.37K | +4.3% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Rhumbline Advisers | 110.27K | +7.2% | $1.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 85.59K | -67.1% | $813,999 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 31 | Quantinno Capital Management LP | 83.79K | +36.1% | $796,805 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Balyasny Asset Management L.P. | 83.56K | +187.3% | $794,637 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Deutsche Bank Ag\ | 75.05K | +36.4% | $713,754 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 34 | Alliancebernstein L.P. | 66.99K | 0.0% | $707,414 | 0.0% | Held | 3 | SEC ↗ |
| 35 | Citigroup Inc | 72.83K | +136.5% | $692,604 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 36 | State Of Wisconsin Investment Board | 60.34K | +411.4% | $573,824 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Group One Trading Llc | 58.70K | +52.0% | $558,208 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Squarepoint Ops LLC | 55.03K | New | $523,335 | 0.0% | New | 1 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 53.36K | +9655.4% | $507,473 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 40 | Barclays Plc | 47.16K | +5.0% | $448,464 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 41 | Legal & General Group Plc | 44.69K | +636.4% | $424,965 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 42 | JPMorgan Chase ✦ | 42.25K | +1.3% | $418,668 | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 43 | Zurcher Kantonalbank (Zurich… | 42.84K | +5302.4% | $407,418 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Prudential Financial Inc | 42.38K | +228.4% | $403,081 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Fifth Third Bancorp | 39.00K | 0.0% | $370,890 | 0.0% | Held | 3 | SEC ↗ |
| 46 | Cerity Partners LLC | 37.19K | +17.7% | $353,658 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 33.22K | +4.8% | $315,894 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | LPL Financial LLC | 33.03K | +68.5% | $314,144 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Focus Partners Wealth | 31.72K | -33.3% | $301,686 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Russell Investments Group, Ltd. | 30.28K | +116.3% | $287,982 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 51 | AQR Capital Management ✦ | 29.73K | -1.5% | $282,694 | 0.0% | ▼ Trim | 9 | SEC ↗ ×5 |
| 52 | Creative Planning | 23.28K | +10.6% | $221,412 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 53 | New York State Common Retirement… | 20.71K | 0.0% | $196,981 | 0.0% | Held | 3 | SEC ↗ |
| 54 | Jane Street Group, Llc | 20.17K | -86.1% | $191,779 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Manufacturers Life Insurance… | 18.96K | +2.8% | $180,357 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Pictet Asset Management Holding SA | 18.03K | New | $171,456 | 0.0% | New | 1 | SEC ↗ |
| 57 | Fidelity (FMR) ✦ | 15.64K | -16.2% | $148,762 | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 58 | Voya Investment Management Llc | 14.29K | +24.0% | $135,917 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Bnp Paribas Financial Markets | 13.48K | -76.3% | $128,242 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Sei Investments Co | 13.17K | 0.0% | $125,225 | 0.0% | Held | 3 | SEC ↗ ×2 |
| 61 | ProShare Advisors LLC | 11.82K | -9.9% | $112,390 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Lido Advisors, LLC | 10.66K | New | $101,405 | 0.0% | New | 1 | SEC ↗ |
| 63 | Simplex Trading, Llc | 8.86K | -76.4% | $84,249 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Osaic Holdings, Inc. | 8.00K | -4.3% | $76,032 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 65 | Us Bancorp \De\ | 5.20K | +2.0% | $49,490 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Assetmark, Inc | 3.60K | 0.0% | $34,236 | 0.0% | Held | 2 | SEC ↗ |
| 67 | Royal Bank Of Canada | 3.23K | +303.8% | $31,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 68 | Mirae Asset Global Investments Co.… | 3.24K | -12.5% | $30,784 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Optiver Holding B.V. | 3.02K | -17.9% | $28,730 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | BNP Paribas Asset Management… | 805 | New | $7,656 | 0.0% | New | 1 | SEC ↗ |
| 71 | Rockefeller Capital Management L.P. | 460 | -52.8% | $4,374 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 72 | Pnc Financial Services Group, Inc. | 410 | +8.8% | $3,900 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 73 | Jones Financial Companies Lllp | 393 | -67.1% | $3,407 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Northwestern Mutual Wealth… | 130 | -74.0% | $1,236 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | National Bank Of Canada /Fi/ | 40 | New | $380 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Federated Hermes, Inc. | $4.55M | 0.0% |
| Swiss National Bank | $1.31M | 0.0% |
| Hrt Financial Lp | $1.13M | 0.0% |
| Squarepoint Ops LLC | $523,335 | 0.0% |
| Pictet Asset Management… | $171,456 | 0.0% |
| Lido Advisors, LLC | $101,405 | 0.0% |
| BNP Paribas Asset Management… | $7,656 | 0.0% |
| National Bank Of Canada /Fi/ | $380 | 0.0% |
Exited
| Dimensional Fund Advisors Lp | $1.90M | was 0.0% |
| Marshall Wace | $883,682 | was 0.0% |
| D. E. Shaw & Co. | $751,534 | was 0.0% |
| Nomura Holdings Inc | $403,783 | was 0.0% |
| Wealth Enhancement Advisory… | $190,478 | was 0.0% |
| Canada Pension Plan… | $146,784 | was 0.0% |
| LMR Partners LLP | $112,295 | was 0.0% |
| Raymond James Financial Inc | $108,514 | was 0.0% |
| Walleye Trading LLC | $67,901 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 4.17M shares, $8.90M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 23
Borges David J.
Officer · 10.00K sh · $209,500
Sep 22
Borges David J.
Officer · 10.00K sh · $209,500
Aug 31
Cancelmo Peter B
Officer · 25.00K sh · $463,540
Aug 28
Cancelmo Peter B
Officer · 25.00K sh · $466,128
Aug 27
HANISH ARNOLD C
Director · 5.00K sh · $94,381
Aug 27
HANISH ARNOLD C
Director · 5.00K sh · $95,080
Aug 26
HANISH ARNOLD C
Director · 5.00K sh · $92,632
Aug 24
Borges David J.
Officer · 906 sh · $17,305
Aug 21
Borges David J.
Officer · 10.00K sh · $189,500
Aug 20
Cable Thomas J.
Director · 15.00K sh · $276,772
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 29
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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