OMEROS CORP (OMER) Institutional Ownership and Insiders Activity

OMEROS CORP (OMER) is widely held by institutional investors, with 163 firms reporting positions valued at approximately $339.21M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $57.48M in OMER holdings in its latest filing.

Recent insider activity includes 13 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.