Vanguard Group Increases Stake in Omeros Corp to 4.91%

The Vanguard Group has filed an amendment to its Schedule 13G, disclosing an increased ownership of 4.91% in Omeros Corp. The filing, dated October 31, 2025, reveals that Vanguard now holds 3,346,958 shares, up from 3,283,577 shares previously. This represents a 1.93% increase in shares and a 149.05% increase in the value of the holdings, now valued at $24,533,202.14. The shares are held on behalf of Vanguard's clients, including investment companies and managed accounts, with no single client owning more than 5% of the shares. The filing certifies that the shares were acquired in the ordinary course of business and not for the purpose of influencing the control of Omeros Corp.