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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 2023

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 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
109
+13 vs. Q4 2022
Shares held
35.6M
+1.39M (+4.1%) vs. Q4 2022
Total value
$353.4M
+$115.5M (+48.5%) vs. Q4 2022
New holders
20
39 more added
Sold out
7
25 more reduced

Compare with Q4 2022: 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 2023: 109 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 2023: $353.4M
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 2023

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding ALDX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Tower Research Capital LLC (TRC)9$00.00%+9New
Institutional & Family Asset Management, LLC24$2380.00%+1+4.3%Added
Belpointe Asset Management LLC50$4970.00%00.0%Unchanged
Sunbelt Securities, Inc.100$9500.00%+100New
JPMorgan Chase & Co73$1.00K0.00%00.0%Unchanged
HighMark Wealth Management LLC155$1.54K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.246$2.44K0.00%00.0%Unchanged
Truvestments Capital LLC265$2.63K0.00%−664−71.5%Reduced
Lindbrook Capital, LLC361$3.58K0.00%−151−29.5%Reduced
Royal Bank of Canada375$4.00K0.00%−1,737−82.2%Reduced
PSI Advisors, LLC500$4.96K0.00%00.0%Unchanged
Worth Asset Management, LLC500$4.96K0.00%00.0%Unchanged
Stephens Consulting, LLC1,000$9.93K0.01%00.0%Unchanged
Dorsey Wright & Associates3,223$32.0K0.01%−357−10.0%Reduced
Cubist Systematic Strategies, LLC5,757$57.2K0.00%+5,757New
UBS Group AG6,408$63.6K0.00%+4,608+256.0%Added
Advisor Group Holdings, Inc.7,147$71.0K0.00%+10.0%Added
Dark Forest Capital Management LP7,149$71.0K0.02%+7,149New
Point72 Asset Management, L.P.8,510$84.5K0.00%+8,510New
Point72 Middle East FZE9,430$93.6K0.01%+9,430New
CIBC World Markets Inc.10,000$99.0K0.00%00.0%Unchanged
Magnus Financial Group LLC10,370$103.0K0.02%00.0%Unchanged
PFG Investments, LLC10,500$104.3K0.02%+10,500New
Jefferies Financial Group Inc.10,771$107.0K0.00%+10,771New
PEAK6 Investments LLC11,000$109.2K0.01%+11,000New
Federation des caisses Desjardins du Quebec11,030$109.5K0.00%+1,100+11.1%Added
Vontobel Holding Ltd.13,432$133.4K0.00%+3,373+33.5%Added
ExodusPoint Capital Management, LP13,800$137.0K0.00%+13,800New
Engineers Gate Manager LP14,025$139.3K0.01%+14,025New
Cetera Advisor Networks LLC14,408$143.1K0.00%00.0%Unchanged
Lighthouse Investment Partners, LLC14,879$147.7K0.01%−6,994−32.0%Reduced
Man Group plc–$155.1K0.00%––
Boothbay Fund Management, LLC16,521$164.1K0.00%+2,996+22.2%Added
Barclays PLC16,825$167.1K0.00%−12,954−43.5%Reduced
American Century Companies Inc17,745$168.6K0.00%+4,576+34.7%Added
Laidlaw Wealth Management LLC18,000$178.7K0.04%00.0%Unchanged
683 Capital Management, LLC19,000$188.7K0.02%−10,519−35.6%Reduced
Hikari Power Ltd20,020$199.0K0.02%00.0%Unchanged
Wolverine Trading, LLC22,007$209.0K0.01%+22,007New
Charles Schwab Investment Management Inc22,201$220.5K0.00%00.0%Unchanged
Diametric Capital, LP22,575$224.2K0.11%+22,575New
Fox Run Management, L.L.C.23,317$231.5K0.08%+10,635+83.9%Added
Caxton Associates LP24,787$246.1K0.04%+24,787New
Jump Financial, LLC24,903$247.3K0.01%+9,397+60.6%Added
Belvedere Trading LLC25,027$248.5K0.11%+25,027New
LMR Partners LLP25,585$254.1K0.01%−619−2.4%Reduced
Joseph P. Lucia & Associates, LLC26,437$262.5K0.18%+14,437+120.3%Added
Balyasny Asset Management LLC26,479$262.9K0.00%−4,641−14.9%Reduced
Raymond James & Associates26,842$266.5K0.00%+1,173+4.6%Added
Stifel Financial Corp27,577$273.8K0.00%+12,649+84.7%Added
Mirabella Financial Services LLP32,510$322.8K0.07%+11,652+55.9%Added
Tobias Financial Advisors, Inc.34,173$339.3K0.10%00.0%Unchanged
First Manhattan Co34,745$345.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC36,643$363.9K0.00%+36,643New
Alps Advisors Inc38,581$383.1K0.00%−1,175−3.0%Reduced
J. Goldman & Co LP40,175$398.9K0.02%−616,370−93.9%Reduced
Citigroup Inc48,586$482.5K0.00%+3,766+8.4%Added
Price T Rowe Associates Inc49,587$493.0K0.00%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC58,968$586.0K0.01%−14,228−19.4%Reduced
Bank of New York Mellon Corp66,303$658.4K0.00%+263+0.4%Added
Squarepoint Ops LLC67,048$665.8K0.00%+67,048New
Simplex Trading, LLC67,325$668.0K0.03%+67,325New
International Assets Investment Management, LLC67,392$669.2K0.10%+4,585+7.3%Added
Marshall Wace, LLP77,105$765.7K0.00%−245,476−76.1%Reduced
Qube Research & Technologies Ltd78,556$780.1K0.00%+21,737+38.3%Added
Trexquant Investment LP85,333$847.4K0.02%+32,022+60.1%Added
Northern Trust Corp85,486$848.9K0.00%−325−0.4%Reduced
Campbell & CO Investment Adviser LLC92,108$914.6K0.17%+92,108New
Gsa Capital Partners LLP92,944$923.0K0.09%−50,264−35.1%Reduced
Group One Trading, L.P.100,909$1.00M0.05%+86,292+590.4%Added
ClariVest Asset Management LLC106,456$1.06M0.05%+56+0.1%Added
Thrivent Financial for Lutherans116,131$1.15M0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.124,922$1.24M0.00%−222,947−64.1%Reduced
HRT Financial LP135,894$1.35M0.02%+56,802+71.8%Added
Woodstock Corp137,179$1.36M0.17%00.0%Unchanged
Victory Capital Management Inc138,280$1.37M0.00%−36,010−20.7%Reduced
Ameriprise Financial Inc143,432$1.42M0.00%+3,200+2.3%Added
Bank of America Corp159,456$1.58M0.00%+71,965+82.3%Added
Palo Alto Investors LP160,800$1.60M0.13%00.0%Unchanged
State Street Corp173,281$1.72M0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.183,070$1.82M0.01%−1,824−1.0%Reduced
Citadel Advisors LLC188,243$1.87M0.00%−521,910−73.5%Reduced
EAM Investors, LLC211,388$2.10M0.41%+13,160+6.6%Added
Two Sigma Investments, LP220,500$2.19M0.01%−230,187−51.1%Reduced
Deutsche Bank AG224,054$2.22M0.00%−5,400−2.4%Reduced
Renaissance Technologies LLC247,400$2.46M0.00%+33,900+15.9%Added
Cantor Fitzgerald, L. P.253,000$2.51M0.05%+253,000New
Jane Street Group, LLC269,530$2.68M0.00%+206,348+326.6%Added
Wells Fargo & Company271,843$2.70M0.00%−46,004−14.5%Reduced
Invesco Ltd.282,706$2.81M0.00%+35,655+14.4%Added
Goldman Sachs Group Inc287,243$2.85M0.00%+263,493+1,109.4%Added
Prosight Management, LP383,447$3.81M1.82%−475,262−55.3%Reduced
Johnson & Johnson394,834$3.92M1.28%00.0%Unchanged
Geode Capital Management, LLC488,345$4.85M0.00%+21,768+4.7%Added
Two Sigma Advisers, LP527,900$5.24M0.01%−62,200−10.5%Reduced
Assenagon Asset Management S.A.645,020$6.41M0.03%00.0%Unchanged
Natixis674,549$6.70M0.06%+630,291+1,424.1%Added
FMR LLC788,789$7.83M0.00%−177,287−18.4%Reduced
Laurion Capital Management LP956,900$9.50M0.43%00.0%Unchanged
BlackRock Inc.984,982$9.78M0.00%+12,546+1.3%Added