Aldeyra Therapeutics Ownership | Who Owns Aldeyra Therapeutics?


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Aldeyra Therapeutics Ownership Summary


Aldeyra Therapeutics is owned by 53.11% institutional investors, 3.66% insiders, and 43.23% retail investors. Perceptive advisors is the largest institutional shareholder, holding 15.58% of ALDX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.95% of its assets in Aldeyra Therapeutics shares.

ALDX Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAldeyra Therapeutics53.11%3.66%43.23%
SectorHealthcare Stocks 57.43%9.41%33.16%
IndustryBiotech Stocks 69.02%8.92%22.06%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Perceptive advisors9.28M15.58%$46.29M
Knoll capital management5.48M9.22%$18.12M
Blackrock funding, inc. /de3.79M6.37%$18.91M
Vanguard group3.76M6.31%$18.75M
Blackrock3.62M6.10%$11.99M
Kennedy capital management1.47M2.47%$7.33M
Ardsley advisory partners lp1.15M1.93%$5.74M
Geode capital management1.12M1.88%$5.59M
State street1.03M1.74%$5.16M
Eagle asset management841.57K1.42%$2.74M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Knoll capital management5.48M12.21%$18.12M
Perceptive advisors9.28M1.28%$46.29M
Ardsley advisory partners lp1.15M0.91%$5.74M
Adar1 capital management647.96K0.65%$3.23M
Alphacentric advisors46.91K0.23%$234.10K
Palo alto investors lp225.47K0.17%$1.13M
Kennedy capital management1.47M0.16%$7.33M
Pfg investments347.75K0.11%$1.74M
Providence wealth advisors25.00K0.10%$133.13K
Woodstock194.92K0.09%$972.65K

Top Buyers

HolderShares% AssetsChange
Raymond james financial727.12K0.00%727.12K
Ardsley advisory partners lp1.15M0.91%650.00K
Caption management396.49K0.02%396.49K
Adar1 capital management647.96K0.65%345.75K
Blackrock3.62M0.00%311.16K

Top Sellers

HolderShares% AssetsChange
Invesco29.91K--626.60K
Kennedy capital management1.47M0.16%-412.56K
Johnson & johnson---299.67K
Los angeles capital management---271.26K
Acadian asset management1.28K--253.03K

New Positions

HolderShares% AssetsChangeValue
Raymond james financial727.12K0.00%727.12K$3.63M
Caption management396.49K0.02%396.49K$1.98M
683 capital management290.00K0.09%290.00K$1.45M
Hrt financial lp61.89K0.00%61.89K$308.00K
Alphacentric advisors46.91K0.23%46.91K$234.10K

Sold Out

HolderChange
Nelson, van denburg & campbell wealth management group-9.00
Capital performance advisors llp-17.00
Gamma investing-25.00
Innealta capital-46.00
Metropolitan life insurance co/ny-197.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 20241235.13%31,618,255-13.84%531.40%623.33%254.17%
Sep 30, 20241179.35%36,698,4923.87%611.74%6013.21%24-22.58%
Jun 30, 2024105-0.94%35,151,111-0.76%591.64%5110.87%31-6.06%
Mar 31, 2024106-2.75%35,421,6540.85%601.70%46-33-28.26%
Dec 31, 2023109-13.49%35,123,488-7.02%591.44%46-13.21%4615.00%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv1.76M2.95%-
iShares Russell 2000 ETF1.31M2.20%-25.58K
Vanguard Institutional Extnd Mkt Idx Tr697.57K1.17%-
Vanguard Explorer Inv680.00K1.14%-
Invesco Dorsey Wright SmallCap Momt ETF657.21K1.10%1.19K
Kennedy Micro Cap522.78K0.88%-336.73K
Fidelity Small Cap Index509.83K0.86%-2.82K
iShares Russell 2000 Value ETF424.63K0.71%-870.00
Eagle Small Cap Growth – Institutional366.37K0.62%-9.66K
State St Russell Sm/Mid Cp® Indx NL Cl C320.80K0.54%-

Recent Insider Transactions


DateNameRoleActivityValue
May 03, 2021Miller-Rich Nancy-Buy$5.29K
Apr 12, 2023Miller-Rich Nancy-Buy$5.16K
Aug 12, 2024Machatha Stephen Chief Development OfficerSell$75.97K
Aug 12, 2024Greenberg Bruce See RemarksSell$51.31K
Mar 12, 2024Machatha Stephen Chief Development OfficerSell$36.50K

Insider Transactions Trends


DateBuySell
2025 Q1--
2024 Q3-2
2024 Q25-
2024 Q1-7
2023 Q4-2

ALDX Ownership FAQ


Who Owns Aldeyra Therapeutics?

Aldeyra Therapeutics shareholders are primarily institutional investors at 53.11%, followed by 3.66% insiders and 43.23% retail investors. The average institutional ownership in Aldeyra Therapeutics's industry, Biotech Stocks , is 69.02%, which Aldeyra Therapeutics falls below.

Who owns the most shares of Aldeyra Therapeutics?

Aldeyra Therapeutics’s largest shareholders are Perceptive advisors (9.28M shares, 15.58%), Knoll capital management (5.48M shares, 9.22%), and Blackrock funding, inc. /de (3.79M shares, 6.37%). Together, they hold 31.16% of Aldeyra Therapeutics’s total shares outstanding.

Does Blackrock own Aldeyra Therapeutics?

Yes, BlackRock owns 6.10% of Aldeyra Therapeutics, totaling 3.62M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 11.99M$. In the last quarter, BlackRock increased its holdings by 311.16K shares, a 9.40% change.

Who is Aldeyra Therapeutics’s biggest shareholder by percentage of total assets invested?

Knoll capital management is Aldeyra Therapeutics’s biggest shareholder by percentage of total assets invested, with 12.21% of its assets in 5.48M Aldeyra Therapeutics shares, valued at 18.12M$.

Who is the top mutual fund holder of Aldeyra Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Aldeyra Therapeutics shares, with 2.95% of its total shares outstanding invested in 1.76M Aldeyra Therapeutics shares.

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