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NASDAQ: ALDX
Aldeyra Therapeutics Inc Stock Ownership - Who owns Aldeyra Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Aldeyra Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michael AlfieriPrincipal Financial Officer2025-08-132,500$5.30
$13.25kBuy
Stephen MacHathaChief Development Officer2025-08-1122,073$5.15
$113.72kSell
Perceptive Advisors LLC10% Owner2025-04-033,400,000$1.42
$4.83MSell

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Net Insider Buy/Sell (L12M) Ownership

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ALDX Shareholders

What type of owners hold Aldeyra Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Perceptive Advisors LLC14.13%8,465,302$44.87MInsider
Blackrock Inc6.43%3,852,101$20.42MInstitution
Vanguard Group Inc5.85%3,501,593$18.56MInstitution
Domain Partners VI LP3.29%1,973,389$10.46MInsider
Jesse I. Treu3.15%1,885,854$10.00MInsider
Johnson Johnson2.92%1,750,292$9.28MInsider
Todd C. Brady2.46%1,471,298$7.80MInsider
Geode Capital Management LLC1.91%1,146,597$6.08MInstitution
Dimensional Fund Advisors LP1.20%718,713$3.81MInstitution
Kennedy Capital Management LLC1.15%686,968$3.64MInstitution

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ALDX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALDX22.45%27.89%Net SellingNet Selling
BNTC21.21%8.18%Net Buying
DMAC10.08%62.62%Net BuyingNet Buying
ALT23.62%71.65%Net SellingNet Buying
RCKT23.56%76.44%Net SellingNet Selling
View Top Biotech Stocks

Aldeyra Therapeutics Stock Ownership FAQ

Who owns Aldeyra Therapeutics?

Aldeyra Therapeutics (NASDAQ: ALDX) is owned by 22.45% institutional shareholders, 27.89% Aldeyra Therapeutics insiders, and 49.66% retail investors. Perceptive Advisors LLC is the largest individual Aldeyra Therapeutics shareholder, owning 8.47M shares representing 14.13% of the company. Perceptive Advisors LLC's Aldeyra Therapeutics shares are currently valued at $44.87M.

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