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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, Q4 2024

Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 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
119
+9 vs. Q3 2024
Shares held
37.2M
+1.24M (+3.4%) vs. Q3 2024
Total value
$185.6M
−$6.68M (−3.5%) vs. Q3 2024
New holders
25
39 more added
Sold out
16
24 more reduced

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 119 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 heldQ4 2024: $185.6M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2024.

Institutions holding ALDX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of America Corp306,246$1.53M0.00%−69,147−18.4%Reduced
Deutsche Bank AG319,287$1.59M0.00%+18,696+6.2%Added
PFG Investments, LLC347,747$1.74M0.11%−38,700−10.0%Reduced
Wells Fargo & Company393,654$1.96M0.00%+7,348+1.9%Added
Caption Management, LLC396,489$1.98M0.08%+396,489New
Northern Trust Corp405,517$2.02M0.00%+16,894+4.3%Added
Federated Hermes, Inc.550,377$2.75M0.01%+813+0.1%Added
Morgan Stanley579,715$2.89M0.00%+59,069+11.3%Added
ADAR1 Capital Management, LLC647,960$3.23M0.67%+345,748+114.4%Added
Raymond James Financial Inc727,118$3.63M0.00%+727,118New
Dimensional Fund Advisors LP735,763$3.67M0.00%+131,722+21.8%Added
State Street Corp1,033,373$5.16M0.00%+59,465+6.1%Added
Geode Capital Management, LLC1,119,555$5.59M0.00%+4,927+0.4%Added
Ardsley Advisory Partners LP1,150,000$5.74M1.11%+650,000+130.0%Added
Kennedy Capital Management, Inc.1,468,519$7.33M0.16%−412,559−21.9%Reduced
Vanguard Group Inc3,756,788$18.7M0.00%−3,831−0.1%Reduced
BlackRock, Inc.3,790,190$18.9M0.00%+55,782+1.5%Added
Knoll Capital Management, LLC5,475,516$27.3M17.59%00.0%Unchanged
Perceptive Advisors LLC9,275,851$46.3M1.29%00.0%Unchanged
Jacobs Levy Equity Management, Inc0$00.00%−476,949−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−271,262−100.0%Sold out
EAM Investors, LLC0$00.00%−92,522−100.0%Sold out
Verition Fund Management LLC0$00.00%−33,530−100.0%Sold out
PDT Partners, LLC0$00.00%−31,402−100.0%Sold out
Jane Street Group, LLC0$00.00%−23,731−100.0%Sold out
Cetera Investment Advisers0$00.00%−19,012−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−19,002−100.0%Sold out
Ameriprise Financial Inc0$00.00%−12,580−100.0%Sold out
Paloma Partners Management Co0$00.00%−11,546−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−7,218−100.0%Sold out
US Bancorp0$00.00%−5,578−100.0%Sold out
National Bank of Canada0$00.00%−5,502−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−3,500−100.0%Sold out
GAMMA Investing LLC0$00.00%−25−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−17−100.0%Sold out
Eagle Asset Management Inc––––Not filed
Raymond James & Associates––––Not filed