Omeros Corporation (OMER) Institutional Ownership & Insider Trading
172 institutions reported holding Omeros Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 14 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 1.2B
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 11 Nov, in 18 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters172 institutions held 49.9% of the shares. Across filers that reported both quarters, shares held changed +17.0%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 172 | 36 | +17.0% | 66 | 28 | 34 | 22 |
| Mar 26 | 160 | 31 | -7.6% | 55 | 30 | 40 | 19 |
| Dec 25 | 149 | 33 | -3.0% | 57 | 29 | 31 | 11 |
| Sep 25 | 128 | 33 | +12.5% | 55 | 11 | 31 | 8 |
| Jun 25 | 125 | 29 | +5.4% | 38 | 12 | 34 | 23 |
| Mar 25 | 135 | 28 | +3.2% | 29 | 19 | 45 | 11 |
| Dec 24 | 126 | 27 | +5.2% | 44 | 21 | 25 | 9 |
| Sep 24 | 107 | 25 | -0.7% | 20 | 10 | 30 | 8 |
Omeros Corporation — questions
- Who owns Omeros Corporation stock?
- 172 institutions reported Omeros Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.3%), INGALLS & SNYDER LLC (5.1%), UBS Group AG (4.3%).
- Are Omeros Corporation insiders buying or selling?
- 14 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Omeros Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.