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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, Q3 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 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
131
+9 vs. Q2 2025
Shares held
39.1M
+5.00M (+14.7%) vs. Q2 2025
Total value
$204.2M
+$73.4M (+56.2%) vs. Q2 2025
New holders
24
57 more added
Sold out
15
25 more reduced

Compare with Q2 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 holdersQ3 2025: 131 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 heldQ3 2025: $204.2M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding ALDX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
EverSource Wealth Advisors, LLC4,840$25.3K0.00%+291+6.4%Added
Farther Finance Advisors, LLC3,906$20.4K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,846$20.1K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,622$18.9K0.00%−3,891−51.8%Reduced
California State Teachers Retirement System3,613$18.9K0.00%+3+0.1%Added
Citigroup Inc3,008$15.7K0.00%−44,742−93.7%Reduced
Washington Trust Advisors, Inc.2,800$14.6K0.00%−1,000−26.3%Reduced
New Millennium Group LLC2,460$12.8K0.01%+2,460New
Activest Wealth Management2,000$10.4K0.00%00.0%Unchanged
Raffa Wealth Management, LLC1,897$9.90K0.00%00.0%Unchanged
Allworth Financial LP1,762$9.20K0.00%+699+65.8%Added
Amalgamated Bank1,571$8.00K0.00%00.0%Unchanged
IFP Advisors, Inc1,427$7.45K0.00%+23+1.6%Added
GAMMA Investing LLC1,054$5.50K0.00%+663+169.6%Added
The PNC Financial Services Group, Inc.1,013$5.29K0.00%+472+87.2%Added
Optiver Holding B.V.980$5.12K0.00%+980New
Point72 Europe (London) LLP915$4.78K0.00%+915New
Sterling Capital Management LLC804$4.20K0.00%+424+111.6%Added
Pineridge Advisors LLC600$3.13K0.00%+600New
US Bancorp554$2.89K0.00%−20,582−97.4%Reduced
Advisor Group Holdings, Inc.480$2.50K0.00%00.0%Unchanged
Truvestments Capital LLC265$1.38K0.00%00.0%Unchanged
SBI Securities Co., Ltd.263$1.37K0.00%00.0%Unchanged
True Wealth Design, LLC230$1.20K0.00%+83+56.5%Added
Point72 (DIFC) Ltd213$1.11K0.00%+213New
Quadrant Capital Group LLC185$9660.00%+185New
HighMark Wealth Management LLC155$8090.00%00.0%Unchanged
Rothschild Investment LLC135$7050.00%+50+58.8%Added
Nisa Investment Advisors, LLC97$5060.00%00.0%Unchanged
TD Waterhouse Canada Inc.15$790.00%00.0%Unchanged
Sunbelt Securities, Inc.2$100.00%+2New
ADAR1 Capital Management, LLC0$00.00%−249,920−100.0%Sold out
Walleye Capital LLC0$00.00%−155,609−100.0%Sold out
Panagora Asset Management Inc0$00.00%−72,059−100.0%Sold out
Kennondale Capital Management LLC0$00.00%−56,729−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−16,320−100.0%Sold out
Corton Capital Inc.0$00.00%−14,940−100.0%Sold out
Caption Management, LLC0$00.00%−12,664−100.0%Sold out
ProShare Advisors LLC0$00.00%−11,127−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−11,002−100.0%Sold out
Inspirion Wealth Advisors, LLC0$00.00%−10,000−100.0%Sold out
Raymond James Financial Inc0$00.00%−2,998−100.0%Sold out
Kozak & Associates, Inc.0$00.00%−1,000−100.0%Sold out
Stephens Consulting, LLC0$00.00%−1,000−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−430−100.0%Sold out
Skopos Labs, Inc.0$00.00%−51−100.0%Sold out