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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
Richard DouglasDirector2026-03-1970,000$1.40
$98.00kBuy
Michael AlfieriPrincipal Financial Officer2026-03-185,000$1.42
$7.10kBuy
Michael AlfieriPrincipal Financial Officer2025-08-132,500$5.30
$13.25kBuy
Stephen MacHathaChief Development Officer2025-08-1122,073$5.15
$113.72kSell

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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 LLC14.07%8,465,302$14.05MInsider
Knoll Capital Management LLC9.10%5,475,516$9.09MInstitution
Perceptive Advisors LLC6.95%4,185,632$6.95MInstitution
Blackrock Inc6.40%3,850,103$6.39MInstitution
Vanguard Group Inc6.15%3,698,682$6.14MInstitution
Domain Partners VI LP3.28%1,973,389$3.28MInsider
Jesse I. Treu3.13%1,885,854$3.13MInsider
Kingdon Capital Management LLC3.07%1,850,000$3.07MInstitution
Johnson Johnson2.91%1,750,292$2.91MInsider
D E Shaw Co Inc2.66%1,601,324$2.66MInstitution

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ALDX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALDX64.69%27.89%Net BuyingNet Buying
TTRX1.57%59.05%Net Buying
SPRB3.96%96.04%Net Selling
SEER41.00%59.00%Net SellingNet Selling
RANI36.22%33.04%Net Selling
View Top Biotech Stocks

Aldeyra Therapeutics Stock Ownership FAQ

Who owns Aldeyra Therapeutics?

Aldeyra Therapeutics (NASDAQ: ALDX) is owned by 64.69% institutional shareholders, 27.89% Aldeyra Therapeutics insiders, and 7.43% retail investors. Perceptive Advisors LLC is the largest individual Aldeyra Therapeutics shareholder, owning 8.47M shares representing 14.07% of the company. Perceptive Advisors LLC's Aldeyra Therapeutics shares are currently valued at $14.05M.

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