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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 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 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
126
+10 vs. Q4 2024
Shares held
37.9M
+900.9K (+2.4%) vs. Q4 2024
Total value
$215.5M
+$31.0M (+16.8%) vs. Q4 2024
New holders
24
26 more added
Sold out
14
47 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 126 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 2025: $215.5M
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 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2024.

Institutions holding ALDX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada3,434$19.0K0.00%−3,771−52.3%Reduced
Tower Research Capital LLC (TRC)2,199$12.6K0.00%−2,227−50.3%Reduced
Activest Wealth Management2,000$11.5K0.00%00.0%Unchanged
Raffa Wealth Management, LLC1,897$10.9K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,630$9.37K0.00%+49+3.1%Added
Amalgamated Bank1,571$9.00K0.00%00.0%Unchanged
Skopos Labs, Inc.1,442$8.29K0.00%+1,442New
Stephens Consulting, LLC1,000$5.75K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.880$5.06K0.00%+300+51.7%Added
Sterling Capital Management LLC777$4.47K0.00%−661−46.0%Reduced
GAMMA Investing LLC684$3.93K0.00%+684New
PSI Advisors, LLC650$3.74K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC397$2.28K0.00%+382+2,546.7%Added
Truvestments Capital LLC265$1.52K0.00%00.0%Unchanged
SBI Securities Co., Ltd.263$1.51K0.00%+11+4.4%Added
True Wealth Design, LLC243$1.40K0.00%+223+1,115.0%Added
Comerica Bank238$1.37K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd171$9830.00%+171New
HighMark Wealth Management LLC155$8910.00%00.0%Unchanged
SRS Capital Advisors, Inc.125$7190.00%−57−31.3%Reduced
Wolff Wiese Magana LLC113$6500.00%00.0%Unchanged
The PNC Financial Services Group, Inc.94$5410.00%+60+176.5%Added
Parallel Advisors, LLC30$1730.00%+30New
US Bancorp24$1380.00%+24New
TD Waterhouse Canada Inc.15$820.00%00.0%Unchanged
Nuveen, LLC348,521––+348,521New
Citadel Advisors LLC0$00.00%−85,642−100.0%Sold out
Mackenzie Financial Corp0$00.00%−47,792−100.0%Sold out
American Century Companies Inc0$00.00%−39,198−100.0%Sold out
Tobias Financial Advisors, Inc.0$00.00%−23,695−100.0%Sold out
Laidlaw Wealth Management LLC0$00.00%−18,175−100.0%Sold out
U.S. Capital Wealth Advisors, LLC0$00.00%−13,875−100.0%Sold out
Walleye Capital LLC0$00.00%−13,706−100.0%Sold out
King Wealth0$00.00%−13,500−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−13,100−100.0%Sold out
Diversified Trust Co0$00.00%−12,265−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−11,278−100.0%Sold out
Prime Capital Investment Advisors, LLC0$00.00%−10,000−100.0%Sold out
IFP Advisors, Inc0$00.00%−13−100.0%Sold out
Macquarie Group Ltd0$00.00%−9,791−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
AlphaCentric Advisors LLC––––Not filed
Boston Financial Mangement LLC––––Not filed