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NASDAQ: ETON
Eton Pharmaceuticals Inc Stock Ownership - Who owns Eton Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Eton Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Opaleye Management Inc10% Owner2026-07-1413,315$37.54
$499.89kSell
Opaleye Management Inc10% Owner2026-07-1413,315$37.54
$499.89kSell
Opaleye Management Inc10% Owner2026-07-1415,000$37.54
$563.15kSell
Opaleye Management Inc10% Owner2026-07-1415,000$37.54
$563.15kSell
Opaleye Management Inc10% Owner2026-07-1413,315$37.54
$499.89kSell
Opaleye Management Inc10% Owner2026-07-1415,000$37.54
$563.15kSell
Sean BrynjelsenCEO;Pres2026-07-14200,000$1.37
$274.00kBuy
Opaleye Management Inc10% Owner2026-07-076,685$38.37
$256.52kSell
Opaleye Management Inc10% Owner2026-07-0720,000$38.37
$767.46kSell
Opaleye Management Inc10% Owner2026-07-0610,000$38.00
$380.00kSell

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Net Insider Buy/Sell (L12M) Ownership

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ETON Shareholders

What type of owners hold Eton Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Opaleye Management Inc18.93%5,410,000$318.43MInsider
Harrow Health Inc6.93%1,982,000$116.66MInsider
Sean Brynjelsen3.80%1,086,134$63.93MInsider
Norbert G. Riedel0.78%224,300$13.20MInsider
James R. Gruber0.75%213,420$12.56MInsider
Wasatch Advisors LP0.32%92,742$5.46MInstitution
Charles J. Casamento0.24%68,420$4.03MInsider
David Krempa0.13%37,025$2.18MInsider
Yintercept Hong Kong Ltd0.12%33,542$1.97MInstitution
Juncture Wealth Strategies LLC0.10%28,849$1.70MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON0.07%31.73%Net SellingNet Selling
ANIP0.05%99.95%Net SellingNet Selling
PRGO0.12%58.75%Net BuyingNet Buying
TRLV0.02%12.35%Net SellingNet Selling
HROW0.04%99.96%Net SellingNet Buying
View Top Pharmaceutical Stocks

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 0.07% institutional shareholders, 31.73% Eton Pharmaceuticals insiders, and 68.20% retail investors. Opaleye Management Inc is the largest individual Eton Pharmaceuticals shareholder, owning 5.41M shares representing 18.93% of the company. Opaleye Management Inc's Eton Pharmaceuticals shares are currently valued at $318.43M.

If you're new to stock investing, here's how to buy Eton Pharmaceuticals stock.
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