Who Owns OMER?

Omeros Corporation — Institutional Ownership & 13F Holdings

$14.32

+0.79 (+5.87%)

Market Cap

$974.1M

Shares Outstanding

71,996,171

Institutional Holders

134

Total Inst. Value

$202.8M

% of Float Held

40.4%

QoQ Holder Change

+50

Institutional data as of Q1 2025

New Positions

26

Closed Positions

14

Increased

33

Decreased

48

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1BlackRock, Inc.$36.0M4,383,117
2INGALLS & SNYDER LLCNew$32.7M3,977,813
3VANGUARD GROUP INC$26.6M3,237,256
4D. E. Shaw & Co., Inc.$15.9M1,938,528
5STIFEL FINANCIAL CORP$12.8M1,556,649
6GEODE CAPITAL MANAGEMENT, LLC$11.3M1,369,132
7STATE STREET CORP$11.1M1,356,138
8MORGAN STANLEY$6.2M760,360
9UBS Group AG$5.4M660,657
10BANK OF MONTREAL /CAN/$4.6M563,095

Biggest Buyers & Sellers This Quarter

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Frequently Asked Questions

How many institutional investors hold OMER?

As of Q1 2025, 134 institutional investors report holding OMER (Omeros Corporation) in their 13F filings.

What percentage of Omeros Corporation is owned by institutions?

Institutional investors hold approximately 40.4% of Omeros Corporation's float as reported in SEC 13F filings.

Which hedge fund owns the most OMER?

The largest institutional holder of OMER is BlackRock, Inc. with $36.0M in shares.

Are institutions buying or selling OMER?

This quarter, 26 institutions opened new positions in OMER and 14 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.