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

Insider buying vs selling

Have Omeros Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Thomas J. CableDirector2026-05-227,500$10.84
$81.30kBuy
Thomas J. CableDirector2026-05-227,500$11.61
$87.04kSell
Gregory A. Md DemopulosChairman CEO President2026-02-18357,678$11.93
$4.27MSell
Gregory A. Md DemopulosChairman CEO President2026-02-18400,000$10.27
$4.11MBuy
David J. BorgesVP Finance CAO2026-01-1330,000$12.31
$369.30kSell
David J. BorgesVP Finance CAO2026-01-1330,000$3.06
$91.80kBuy
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 Inc7.34%5,309,626$62.87MInstitution
Ingalls Snyder LLC4.92%3,559,423$42.14MInstitution
Vanguard Capital Management LLC4.12%2,983,259$35.32MInstitution
Ubs Group Ag3.23%2,340,731$27.71MInstitution
Gregory A. Md Demopulos2.76%1,995,774$23.63MInsider
State Street Corp2.65%1,919,575$22.73MInstitution
Stifel Financial Corp 12.53%1,831,585$21.69MInstitution
Geode Capital Management LLC2.42%1,752,323$20.75MInstitution
Corient Private Wealth LLC1.11%801,411$9.49MInstitution
Vanguard Portfolio Management LLC0.99%718,675$8.51MInstitution

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OMER vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OMER42.58%5.00%Net BuyingNet Buying
ABUS33.33%66.67%
IVA27.10%0.00%
TBPH54.00%46.00%Net SellingNet Selling
SANA53.53%46.47%Net Selling

Omeros Stock Ownership FAQ

Who owns Omeros?

Omeros (NASDAQ: OMER) is owned by 42.58% institutional shareholders, 5.00% Omeros insiders, and 52.42% retail investors. Gregory A. Md Demopulos is the largest individual Omeros shareholder, owning 2.00M shares representing 2.76% of the company. Gregory A. Md Demopulos's Omeros shares are currently valued at $23.63M.

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