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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.

13F holders, Q1 2024

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
101
−4 vs. Q4 2023
Shares held
35.4M
+287.7K (+0.8%) vs. Q4 2023
Total value
$115.8M
−$7.48M (−6.1%) vs. Q4 2023
New holders
14
31 more added
Sold out
18
33 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 101 institutions
Q1 2021: 108 institutionsQ2 2021: 136 institutionsQ3 2021: 117 institutionsQ4 2021: 115 institutionsQ1 2022: 111 institutionsQ2 2022: 95 institutionsQ3 2022: 89 institutionsQ4 2022: 96 institutionsQ1 2023: 109 institutionsQ2 2023: 119 institutionsQ3 2023: 120 institutionsQ4 2023: 105 institutionsQ1 2024: 101 institutionsQ2 2024: 103 institutionsQ3 2024: 112 institutionsQ4 2024: 119 institutionsQ1 2025: 126 institutionsQ2 2025: 122 institutionsQ3 2025: 131 institutionsQ4 2025: 136 institutionsQ1 2026: 128 institutionsQ2 2026: 107 institutions
Value heldQ1 2024: $115.8M
Q1 2021: $376.7MQ2 2021: $512.8MQ3 2021: $348.9MQ4 2021: $146.7MQ1 2022: $171.8MQ2 2022: $147.5MQ3 2022: $197.4MQ4 2022: $237.9MQ1 2023: $353.4MQ2 2023: $327.5MQ3 2023: $252.3MQ4 2023: $123.3MQ1 2024: $115.8MQ2 2024: $116.9MQ3 2024: $196.4MQ4 2024: $185.6MQ1 2025: $215.5MQ2 2025: $130.8MQ3 2025: $204.2MQ4 2025: $201.8MQ1 2026: $63.3MQ2 2026: $77.7M
Institutions holding ALDX and their total value by quarter
QuarterHoldersValue
Q2 2026107$77.7M
Q1 2026128$63.3M
Q4 2025136$201.8M
Q3 2025131$204.2M
Q2 2025122$130.8M
Q1 2025126$215.5M
Q4 2024119$185.6M
Q3 2024112$196.4M
Q2 2024103$116.9M
Q1 2024101$115.8M
Q4 2023105$123.3M
Q3 2023120$252.3M
Q2 2023119$327.5M
Q1 2023109$353.4M
Q4 202296$237.9M
Q3 202289$197.4M
Q2 202295$147.5M
Q1 2022111$171.8M
Q4 2021115$146.7M
Q3 2021117$348.9M
Q2 2021136$512.8M
Q1 2021108$376.7M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding ALDX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC8,593,586$28.1M0.50%00.0%Unchanged
Jane Street Group, LLC0$00.00%−68,327−100.0%Sold out
Engineers Gate Manager LP0$00.00%−57,146−100.0%Sold out
HRT Financial LP0$00.00%−44,826−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−25,354−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−21,560−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−18,720−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−15,629−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−15,294−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−14,594−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−13,480−100.0%Sold out
Stifel Financial Corp0$00.00%−13,026−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−12,189−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−12,138−100.0%Sold out
NorthRock Partners, LLC0$00.00%−11,951−100.0%Sold out
SG Americas Securities, LLC0$00.00%−11,028−100.0%Sold out
CIBC World Markets Inc.0$00.00%−10,000−100.0%Sold out
Advisory Services Network, LLC0$00.00%−500−100.0%Sold out
Federated Hermes, Inc.0$00.00%−243−100.0%Sold out