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Omeros CORP Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
OMER
Omeros CORP
SCHEDULE: Ingalls & Snyder Discloses 4.8% Stake in Omeros Corp
Ingalls & Snyder LLC has reported a beneficial ownership of 3,466,268 shares of Omeros Corp common stock, representing 4.8% of the class, as of December 31, 2025.
NASDAQ
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Omeros CORP
SCHEDULE: Vanguard Group Amends Omeros Corp Ownership to Zero
The Vanguard Group filed an amended Schedule 13G for Omeros Corp, reporting zero beneficial ownership following an internal realignment.
NASDAQ
OMER
Omeros CORP
SCHEDULE: Vanguard Discloses 5.66% Stake in Omeros Corp
The Vanguard Group has reported a 5.66% beneficial ownership stake in Omeros Corp, totaling 4,013,315 common shares.
NASDAQ
OMER
Omeros CORP
SCHEDULE: Vanguard Group Amends Omeros Corp Stake
The Vanguard Group has filed an amendment to its Schedule 13G, reporting a 4.91% beneficial ownership stake in Omeros Corp as of September 30, 2025.
NASDAQ
OMER
Omeros CORP
SCHEDULE 13G/A: Ingalls & Snyder Discloses 7.2% Stake in Omeros Corp
Investment firm Ingalls & Snyder LLC has disclosed a 7.2% beneficial ownership stake in Omeros Corp, holding 4,161,315 shares as of December 31, 2024.