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

InstitutionSharesValueChange
BlackRock6,044,633$57MINCREASED
Vanguard4,647,134$44MINCREASED
Ingalls & Snyder3,659,523$35MINCREASED
UBS Group3,201,746$30MINCREASED
State Street2,319,906$22MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Peter B Cancelmo (VP, General Counsel)EXERCISE25,000$74K2026-08-28
Peter B Cancelmo (VP, General Counsel)SELL25,000$466K2026-08-28
Arnold C Hanish (Director)EXERCISE7,500$110K2026-08-26
Arnold C Hanish (Director)EXERCISE2,500$40K2026-08-26
Arnold C Hanish (Director)EXERCISE5,000$79K2026-08-26

Full institutional holdings, insider history, and congressional trades for Omeros Corporation on SentiSense.