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Omeros Corp (OMER)
NASDAQ:OMER
US Market
OMER
Omeros
RESEARCH TOOLSreports

Omeros (OMER) Ownership - Who Owns Omeros?

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Omeros (OMER) Ownership Overview

3.81%7.82%11.36%10.47%66.55%
3.81% Insiders
7.82% Mutual Funds
11.36% Other Institutional Investors
10.47% ETFs
66.55% Public Companies and
Individual Investors
The ownership structure of Omeros (OMER) stock is a mix of institutional, retail, and individual investors. Approximately 29.65% of the company’s stock is owned by Institutional Investors, 3.81% is owned by Insiders, and 66.55% is owned by Public Companies and Individual Investors.
The ownership structure of Omeros (OMER) stock is a mix of institutional, retail, and individual investors. Approximately 19.18% of the company’s stock is owned by Institutional Investors, 3.81% is owned by Insiders, and 10.47% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Jan 14, 2026
David J. Borges
xxxxxxxxxxxxx
$750900
Show More Insider Trading Activity >

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value
Dec 31, 2025
Graham Capital Management, L.p.
xxxxxxxxxxxxx
$227087
Dec 31, 2025
Farallon Capital Management, L.l.c.
xxxxxxxxxxxxx
$395025
Show More Hedge Fund Trading Activity >

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
3,580,417Institution5.05%39,885,845
2,795,166Institution3.94%31,138,149
2,759,966Institution3.89%30,746,021
2,193,253Insider3.09%24,432,838
710,528Institution1.00%7,915,282
692,979Institution0.98%7,719,786
425,475Institution0.60%4,739,792
388,741Institution0.55%4,330,575
378,530Institution0.53%4,216,824
372,898Insider0.53%4,154,084

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
2,795,166Institution3.94%31,138,149
710,528Institution1.00%7,915,282
692,979Institution0.98%7,719,786
378,530Institution0.53%4,216,824
205,987Institution0.29%2,294,695
189,133Institution0.27%2,106,942
128,542Institution0.18%1,431,958
70,000Institution0.10%779,800
57,383Institution0.08%639,247
53,215Institution0.08%592,815

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
Vanguard Total Stock Market ETF
2,098,676Institution2.96%24,533,522
iShares Russell 2000 ETF
1,576,690Institution2.22%17,643,161
Vanguard Extended Market ETF
769,210Institution1.08%8,992,065
iShares Russell 2000 Growth ETF
494,280Institution0.70%5,530,993
Schwab U.S. Small-Cap ETF
341,704Institution0.48%3,823,668
SPDR S&P Pharmaceuticals ETF
328,050Institution0.46%3,670,880
Vanguard Russell 2000 ETF
326,534Institution0.46%3,934,735
Vanguard Health Care ETF
205,631Institution0.29%2,403,826
iShares U.S. Pharmaceuticals ETF
189,064Institution0.27%2,106,173
iShares Micro-Cap ETF
174,153Institution0.25%1,948,772

FAQ

Who Owns Omeros Corp (OMER)?
According to the latest TipRanks data, approximately 11.36% of the company's stock is held by institutional investors, 3.81% is held by insiders, and 66.55% is held by retail investors.
    What percentage of Omeros Corp (OMER) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 11.36% of Omeros Corp (OMER) stock is held by institutional investors.
      What percentage of Omeros Corp (OMER) stock is held by retail investors?
      According to the latest TipRanks data, approximately 66.55% of Omeros Corp (OMER) stock is held by retail investors.
        Who owns the most shares of Omeros Corp (OMER)?
        Vanguard owns the most shares of Omeros Corp (OMER).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.