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 Inc7.14%5,062,438$56.65MInstitution
Vanguard Group Inc5.66%4,013,315$44.91MInstitution
Ingalls Snyder LLC4.86%3,448,699$38.59MInstitution
Ubs Group Ag3.14%2,222,982$24.88MInstitution
Gregory A. Md Demopulos2.81%1,995,774$22.33MInsider
Stifel Financial Corp2.55%1,809,766$20.25MInstitution
Geode Capital Management LLC2.30%1,631,350$18.25MInstitution
State Street Corp2.22%1,573,526$17.61MInstitution
Corient Private Wealth LLC1.94%1,375,350$15.39MInstitution
Kotler Kevin1.28%905,635$10.13MInstitution

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OMER vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OMER47.84%5.11%Net BuyingNet Buying
ARVN70.82%29.18%Net SellingNet Selling
ANRO76.65%21.03%Net SellingNet Selling
KURA90.18%9.82%Net SellingNet Selling
MRVI45.20%54.80%Net BuyingNet Selling

Omeros Stock Ownership FAQ

Who owns Omeros?

Omeros (NASDAQ: OMER) is owned by 47.84% institutional shareholders, 5.11% Omeros insiders, and 47.05% retail investors. Gregory A. Md Demopulos is the largest individual Omeros shareholder, owning 2.00M shares representing 2.81% of the company. Gregory A. Md Demopulos's Omeros shares are currently valued at $22.23M.

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