Omeros Corporation (OMER) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for OMER. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 6,044,633 | $57M | INCREASED |
| Vanguard | 4,647,134 | $44M | INCREASED |
| Ingalls & Snyder | 3,659,523 | $35M | INCREASED |
| UBS Group | 3,201,746 | $30M | INCREASED |
| State Street | 2,319,906 | $22M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Peter B Cancelmo (VP, General Counsel) | EXERCISE | 25,000 | $74K | 2026-08-28 |
| Peter B Cancelmo (VP, General Counsel) | SELL | 25,000 | $466K | 2026-08-28 |
| Arnold C Hanish (Director) | EXERCISE | 7,500 | $110K | 2026-08-26 |
| Arnold C Hanish (Director) | EXERCISE | 2,500 | $40K | 2026-08-26 |
| Arnold C Hanish (Director) | EXERCISE | 5,000 | $79K | 2026-08-26 |
Full institutional holdings, insider history, and congressional trades for Omeros Corporation on SentiSense.