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Aldeyra Therapeutics, Inc.

ALDX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001341235

No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $77.7M in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding Aldeyra Therapeutics, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of ALDX: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders1032112+11
Shares35.3M3.62M36.7M+4.99M (+15.7%)
Value$116.9M$12.0M$196.4M+$91.4M (+87.2%)

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (19)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to ALDX in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.3,734,408$20.1M0.00%
Ardsley Advisory Partners LP500,000$2.69M0.51%
ADAR1 Capital Management, LLC302,212$1.63M0.27%
EAM Investors, LLC92,522$498.7K0.07%
PDT Partners, LLC31,402$169.3K0.01%
Fox Run Management, L.L.C.19,002$102.4K0.02%
Intech Investment Management LLC14,628$78.8K0.00%
Ameriprise Financial Inc12,580$67.8K0.00%
Paloma Partners Management Co11,546$62.2K0.00%
Trexquant Investment LP11,500$62.0K0.00%
Russell Investments Group, Ltd.7,218$38.9K0.00%
US Bancorp5,578$30.1K0.00%
Public Employees Retirement System of Ohio3,500$18.9K0.00%
Catalyst Funds Management Pty Ltd600$3.23K0.00%
Truvestments Capital LLC265$1.43K0.00%
Sterling Capital Management LLC147$7920.00%
Wolff Wiese Magana LLC113$6100.00%
GAMMA Investing LLC25$1350.00%
Capital Performance Advisors LLP17$920.00%

Sold out (8)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of ALDX in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Johnson & Johnson299,669$991.9K
Millennium Management LLC43,825$145.1K
AQR Capital Management LLC34,781$115.1K
Simplex Trading, LLC29,302$96.0K
Gsa Capital Partners LLP16,020$53.0K
Walleye Capital LLC14,168$46.9K
nVerses Capital, LLC1,700$5.63K
Innealta Capital, LLC46$152

Not filed for Q3 2024 yet (2)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALDX in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.3,621,949$12.0M
Institutional & Family Asset Management, LLC50$166