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.

Summary

• The Vanguard Group, Inc. reported beneficial ownership of 4,013,315 shares of Omeros Corp common stock.
• This ownership represents 5.66% of Omeros Corp's outstanding common stock.
• Vanguard holds sole voting power over 0 shares, shared voting power over 509,158 shares, sole dispositive power over 0 shares, and shared dispositive power over 4,013,315 shares.
• An internal realignment occurred at The Vanguard Group, Inc. on January 12, 2026, where it ceased performing portfolio management services or administering proxy voting.
• Following the realignment, certain Vanguard subsidiaries or business divisions are expected to report beneficial ownership separately (on a disaggregated basis).

Sentiment

Score: 5

Explanation: StockSavvy.ai views this filing as neutral, as it is a standard regulatory disclosure of beneficial ownership by a large institutional investor and does not contain performance or forward-looking statements from the issuer.

Future Outlook

The Vanguard Group anticipates that certain subsidiaries or business divisions will report beneficial ownership separately from The Vanguard Group, Inc. in the future, following an internal realignment.

Management Comments

• Ashley Grim, Head of Global Fund Administration for The Vanguard Group, certified that the securities were acquired and are held in the ordinary course of business and not for the purpose or with the effect of changing or influencing the control of Omeros Corp.

Industry Context

StockSavvy.ai notes that Schedule 13G filings are routine disclosures by institutional investors, such as The Vanguard Group, when they acquire more than 5% of a company's voting class of securities. This filing indicates Vanguard's passive investment in Omeros Corp, signaling a significant, but non-activist, stake in the company.

Stakeholder Impact

• Shareholders: The disclosure of a significant stake by a major institutional investor like Vanguard can influence market perception and potentially provide a level of stability or validation for the company's stock.

Next Steps

• Certain subsidiaries or business divisions of The Vanguard Group, Inc. are expected to report beneficial ownership separately (on a disaggregated basis) in reliance on SEC Release No. 34-39538.

Key Dates

Keywords

Omeros Corp, Vanguard Group, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, Equity Stake