NASDAQ: OMER
Omeros Corp Stock Ownership - Who owns Omeros?

Insider buying vs selling

Have Omeros Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David J. BorgesVP Finance CAO2026-01-1330,000$3.06
$91.80kBuy
David J. BorgesVP Finance CAO2026-01-1330,000$12.31
$369.30kSell
David J. BorgesVP Finance CAO2026-01-1230,000$12.72
$381.60kSell

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Net Insider Buy/Sell (L12M) Ownership

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OMER Shareholders

What type of owners hold Omeros Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc6.28%4,452,156$52.58MInstitution
Ingalls Snyder LLC5.79%4,106,598$48.50MInstitution
Vanguard Group Inc4.72%3,346,958$39.53MInstitution
Morgan Stanley2.81%1,989,734$23.50MInstitution
Gregory A. Md Demopulos2.76%1,953,452$23.07MInsider
Stifel Financial Corp2.56%1,812,275$21.40MInstitution
Geode Capital Management LLC2.17%1,535,371$18.13MInstitution
Polar Asset Management Partners Inc2.11%1,498,586$17.70MInstitution
State Street Corp1.75%1,239,728$14.64MInstitution
D E Shaw Co Inc1.42%1,005,235$11.87MInstitution

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OMER vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OMER46.33%5.05%Net SellingNet Selling
MPLT0.00%60.19%Net BuyingNet Selling
ARVN74.71%25.29%Net SellingNet Selling
JANX63.14%36.86%Net BuyingNet Selling
GERN79.43%1.09%Net BuyingNet Buying

Omeros Stock Ownership FAQ

Who owns Omeros?

Omeros (NASDAQ: OMER) is owned by 46.33% institutional shareholders, 5.05% Omeros insiders, and 48.62% retail investors. Gregory A. Md Demopulos is the largest individual Omeros shareholder, owning 1.95M shares representing 2.76% of the company. Gregory A. Md Demopulos's Omeros shares are currently valued at $23.34M.

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