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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, Q2 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 30, 2025. 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
122
−4 vs. Q1 2025
Shares held
34.1M
−3.76M (−9.9%) vs. Q1 2025
Total value
$130.8M
−$84.8M (−39.3%) vs. Q1 2025
New holders
20
47 more added
Sold out
24
32 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 122 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 heldQ2 2025: $130.8M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding ALDX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
California State Teachers Retirement System3,610$13.8K0.00%00.0%Unchanged
Raymond James Financial Inc2,998$11.5K0.00%−448,917−99.3%Reduced
Activest Wealth Management2,000$7.66K0.00%00.0%Unchanged
Raffa Wealth Management, LLC1,897$7.27K0.00%00.0%Unchanged
Amalgamated Bank1,571$6.00K0.00%00.0%Unchanged
IFP Advisors, Inc1,404$5.38K0.00%+1,404New
Kozak & Associates, Inc.1,000$4.52K0.00%+1,000New
Allworth Financial LP1,063$4.07K0.00%+1,063New
Stephens Consulting, LLC1,000$3.83K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.541$2.07K0.00%+447+475.5%Added
Advisor Group Holdings, Inc.480$1.84K0.00%−400−45.5%Reduced
Caitong International Asset Management Co., Ltd430$1.65K0.00%+259+151.5%Added
GAMMA Investing LLC391$1.50K0.00%−293−42.8%Reduced
Sterling Capital Management LLC380$1.46K0.00%−397−51.1%Reduced
Truvestments Capital LLC265$1.01K0.00%00.0%Unchanged
SBI Securities Co., Ltd.263$1.01K0.00%00.0%Unchanged
HighMark Wealth Management LLC155$5940.00%00.0%Unchanged
True Wealth Design, LLC147$5640.00%−96−39.5%Reduced
Nisa Investment Advisors, LLC97$3720.00%−1,533−94.0%Reduced
Rothschild Investment LLC85$3260.00%+85New
Skopos Labs, Inc.51$1960.00%−1,391−96.5%Reduced
TD Waterhouse Canada Inc.15$590.00%00.0%Unchanged
Federated Hermes, Inc.0$00.00%−551,091−100.0%Sold out
Trexquant Investment LP0$00.00%−158,117−100.0%Sold out
Wellington Management Group LLP0$00.00%−117,475−100.0%Sold out
Hennion & Walsh Asset Management, Inc.0$00.00%−69,442−100.0%Sold out
Alps Advisors Inc0$00.00%−43,803−100.0%Sold out
Verition Fund Management LLC0$00.00%−37,505−100.0%Sold out
Franklin Resources Inc0$00.00%−32,346−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−24,406−100.0%Sold out
XTX Topco Ltd0$00.00%−23,332−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−22,912−100.0%Sold out
SG Americas Securities, LLC0$00.00%−17,818−100.0%Sold out
HRT Financial LP0$00.00%−16,233−100.0%Sold out
Stifel Financial Corp0$00.00%−14,935−100.0%Sold out
Wolverine Trading, LLC0$00.00%−12,028−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−40,953−100.0%Sold out
HSBC Holdings PLC0$00.00%−11,543−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−11,397−100.0%Sold out
CIBC World Markets Corp0$00.00%−11,054−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−10,328−100.0%Sold out
PSI Advisors, LLC0$00.00%−650−100.0%Sold out
Comerica Bank0$00.00%−238−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−125−100.0%Sold out
Wolff Wiese Magana LLC0$00.00%−113−100.0%Sold out
Parallel Advisors, LLC0$00.00%−30−100.0%Sold out