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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 2023

Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 30, 2023. 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
+10 vs. Q1 2023
Shares held
39.0M
+3.47M (+9.7%) vs. Q1 2023
Total value
$327.5M
−$25.8M (−7.3%) vs. Q1 2023
New holders
41
34 more added
Sold out
31
27 more reduced

Compare with Q1 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 holdersQ2 2023: 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 heldQ2 2023: $327.5M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2023.

Institutions holding ALDX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC305,356$2.56M0.00%+57,956+23.4%Added
Morgan Stanley321,028$2.69M0.00%−858,935−72.8%Reduced
Wells Fargo & Company339,876$2.85M0.00%+68,033+25.0%Added
Johnson & Johnson394,834$3.31M1.03%00.0%Unchanged
Northern Trust Corp413,676$3.47M0.00%+328,190+383.9%Added
Two Sigma Advisers, LP434,000$3.64M0.01%−93,900−17.8%Reduced
Millennium Management LLC495,575$4.16M0.00%−622,856−55.7%Reduced
Invesco Ltd.515,341$4.32M0.00%+232,635+82.3%Added
FMR LLC681,258$5.72M0.00%−107,531−13.6%Reduced
Verition Fund Management LLC930,074$7.80M0.12%−634,954−40.6%Reduced
Geode Capital Management, LLC953,250$8.00M0.00%+464,905+95.2%Added
Laurion Capital Management LP1,001,377$8.40M0.36%+44,477+4.6%Added
Eagle Asset Management Inc1,058,546$8.88M0.05%−785,464−42.6%Reduced
Dimensional Fund Advisors LP1,125,645$9.44M0.00%+2,737+0.2%Added
Knoll Capital Management, LLC3,015,668$25.3M30.98%+948,508+45.9%Added
State Street Corp3,041,866$25.5M0.00%+2,868,585+1,655.5%Added
Vanguard Group Inc3,180,194$26.7M0.00%+681,033+27.3%Added
BlackRock Inc.3,230,414$27.1M0.00%+2,245,432+228.0%Added
Perceptive Advisors LLC11,350,085$95.2M2.77%00.0%Unchanged
Natixis0$00.00%−674,549−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−645,020−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−253,000−100.0%Sold out
EAM Investors, LLC0$00.00%−211,388−100.0%Sold out
HRT Financial LP0$00.00%−135,894−100.0%Sold out
Group One Trading, L.P.0$00.00%−100,909−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−78,556−100.0%Sold out
Simplex Trading, LLC0$00.00%−67,325−100.0%Sold out
Squarepoint Ops LLC0$00.00%−67,048−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−36,643−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−32,510−100.0%Sold out
LMR Partners LLP0$00.00%−25,585−100.0%Sold out
Jump Financial, LLC0$00.00%−24,903−100.0%Sold out
Caxton Associates LP0$00.00%−24,787−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−23,317−100.0%Sold out
Diametric Capital, LP0$00.00%−22,575−100.0%Sold out
683 Capital Management, LLC0$00.00%−19,000−100.0%Sold out
Laidlaw Wealth Management LLC0$00.00%−18,000−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−16,521−100.0%Sold out
Man Group plc0$00.00%–Sold out
Lighthouse Investment Partners, LLC0$00.00%−14,879−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−13,800−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−10,771−100.0%Sold out
Magnus Financial Group LLC0$00.00%−10,370−100.0%Sold out
Point72 Middle East FZE0$00.00%−9,430−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−8,510−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−7,149−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−5,757−100.0%Sold out
Dorsey Wright & Associates0$00.00%−3,223−100.0%Sold out
Sunbelt Securities, Inc.0$00.00%−100−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−50−100.0%Sold out