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

Insider buying vs selling

Have Omeros Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Gregory A. Md DemopulosChairman CEO President2026-02-18400,000$10.27
$4.11MBuy
Gregory A. Md DemopulosChairman CEO President2026-02-18357,678$11.93
$4.27MSell
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 Inc7.03%5,062,438$73.71MInstitution
Vanguard Group Inc5.57%4,013,315$58.43MInstitution
Ingalls Snyder LLC4.79%3,448,699$50.21MInstitution
Ubs Group Ag3.09%2,222,982$32.37MInstitution
Gregory A. Md Demopulos2.77%1,995,774$29.06MInsider
Stifel Financial Corp 12.51%1,809,766$26.35MInstitution
Stifel Financial Corp2.51%1,809,766$26.35MInstitution
Geode Capital Management LLC2.27%1,631,350$23.75MInstitution
State Street Corp2.19%1,573,526$22.91MInstitution
Corient Private Wealth LLC1.91%1,375,350$20.03MInstitution

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OMER vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OMER47.11%5.03%Net BuyingNet Buying
XERS58.47%14.31%Net SellingNet Buying
SEPN66.75%33.25%Net BuyingNet Buying
SVRA44.44%55.56%Net SellingNet Buying
FTRE99.43%0.57%Net BuyingNet Selling

Omeros Stock Ownership FAQ

Who owns Omeros?

Omeros (NASDAQ: OMER) is owned by 47.11% institutional shareholders, 5.03% Omeros insiders, and 47.86% retail investors. Gregory A. Md Demopulos is the largest individual Omeros shareholder, owning 2.00M shares representing 2.77% of the company. Gregory A. Md Demopulos's Omeros shares are currently valued at $29.14M.

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