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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 $78.2M in total; no superinvestor holds it.

13F holders, Q4 2022

Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 31, 2022. 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
96
+8 vs. Q3 2022
Shares held
34.2M
−2.78M (−7.5%) vs. Q3 2022
Total value
$237.9M
+$40.5M (+20.5%) vs. Q3 2022
New holders
18
24 more added
Sold out
10
36 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 96 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 2022: $237.9M
Q1 2021: $376.7MQ2 2021: $625.0MQ3 2021: $348.9MQ4 2021: $187.1MQ1 2022: $171.9MQ2 2022: $147.5MQ3 2022: $210.2MQ4 2022: $237.9MQ1 2023: $361.2MQ2 2023: $327.5MQ3 2023: $252.3MQ4 2023: $125.2MQ1 2024: $118.1MQ2 2024: $117.0MQ3 2024: $249.8MQ4 2024: $186.0MQ1 2025: $225.6MQ2 2025: $131.2MQ3 2025: $204.3MQ4 2025: $201.8MQ1 2026: $63.3MQ2 2026: $78.2M
Institutions holding ALDX and their total value by quarter
QuarterHoldersValue
Q2 2026107$78.2M
Q1 2026128$63.3M
Q4 2025136$201.8M
Q3 2025131$204.3M
Q2 2025122$131.2M
Q1 2025126$225.6M
Q4 2024119$186.0M
Q3 2024112$249.8M
Q2 2024103$117.0M
Q1 2024101$118.1M
Q4 2023105$125.2M
Q3 2023120$252.3M
Q2 2023119$327.5M
Q1 2023109$361.2M
Q4 202296$237.9M
Q3 202289$210.2M
Q2 202295$147.5M
Q1 2022111$171.9M
Q4 2021115$187.1M
Q3 2021117$348.9M
Q2 2021136$625.0M
Q1 2021108$376.7M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2022.

Institutions holding ALDX in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC11,350,085$79.0M2.28%00.0%Unchanged
Vanguard Group Inc2,492,269$17.3M0.00%−23,615−0.9%Reduced
Knoll Capital Management, LLC1,948,090$13.6M30.60%+70,785+3.8%Added
Eagle Asset Management Inc1,771,689$12.3M0.08%+313,681+21.5%Added
Verition Fund Management LLC1,558,322$10.8M0.21%−843,917−35.1%Reduced
BlackRock Inc.972,436$6.77M0.00%+2,350+0.2%Added
FMR LLC966,076$6.72M0.00%−84,383−8.0%Reduced
Laurion Capital Management LP956,900$6.66M0.19%00.0%Unchanged
Dimensional Fund Advisors LP890,232$6.20M0.00%+210,219+30.9%Added
Prosight Management, LP858,709$5.98M3.34%−352,091−29.1%Reduced
Millennium Management LLC850,088$5.92M0.01%+203,694+31.5%Added
Citadel Advisors LLC710,153$4.94M0.01%−953,975−57.3%Reduced
J. Goldman & Co LP656,545$4.57M0.32%+323,949+97.4%Added
Assenagon Asset Management S.A.645,020$4.49M0.02%−450−0.1%Reduced
Two Sigma Advisers, LP590,100$4.11M0.01%−307,500−34.3%Reduced
Geode Capital Management, LLC466,577$3.25M0.00%−2,852−0.6%Reduced
Two Sigma Investments, LP450,687$3.14M0.01%−130,752−22.5%Reduced
Johnson & Johnson394,834$2.75M0.80%00.0%Unchanged
D. E. Shaw & Co., Inc.347,869$2.42M0.00%−100,241−22.4%Reduced
Marshall Wace, LLP322,581$2.25M0.01%+122,418+61.2%Added
Wells Fargo & Company317,847$2.21M0.00%+7,441+2.4%Added
Morgan Stanley315,250$2.19M0.00%+12,607+4.2%Added
Tang Capital Management LLC272,293$1.90M0.28%−427,707−61.1%Reduced
Invesco Ltd.247,051$1.72M0.00%+19,215+8.4%Added
Susquehanna International Group, LLP246,149$1.71M0.00%+113,455+85.5%Added
DuPont Capital Management Corp230,491$1.60M0.08%−33,433−12.7%Reduced
Deutsche Bank AG229,454$1.60M0.00%00.0%Unchanged
Renaissance Technologies LLC213,500$1.49M0.00%−164,800−43.6%Reduced
EAM Investors, LLC198,228$1.38M0.29%−35,410−15.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.184,894$1.29M0.01%−41,303−18.3%Reduced
Victory Capital Management Inc174,290$1.21M0.00%+106,900+158.6%Added
State Street Corp173,281$1.21M0.00%−600−0.3%Reduced
Palo Alto Investors LP160,800$1.12M0.10%00.0%Unchanged
Gsa Capital Partners LLP143,208$997.0K0.12%+39,360+37.9%Added
Ameriprise Financial Inc140,232$976.0K0.00%+102,032+267.1%Added
Woodstock Corp137,179$954.8K0.13%+8,000+6.2%Added
Thrivent Financial for Lutherans116,131$808.0K0.00%+97,890+536.6%Added
ClariVest Asset Management LLC106,400$741.0K0.04%−1,600−1.5%Reduced
Bank of America Corp87,491$608.9K0.00%−19,015−17.9%Reduced
Northern Trust Corp85,811$597.2K0.00%−100.0%Reduced
HRT Financial LP79,092$550.0K0.01%+79,092New
Weiss Multi-Strategy Advisers LLC73,196$509.0K0.01%−4,496−5.8%Reduced
Bank of New York Mellon Corp66,040$459.6K0.00%−182−0.3%Reduced
Jane Street Group, LLC63,182$439.7K0.00%+63,182New
International Assets Investment Management, LLC62,807$437.1K0.05%+3,530+6.0%Added
Qube Research & Technologies Ltd56,819$395.5K0.00%+21,091+59.0%Added
Trexquant Investment LP53,311$371.0K0.01%+33,636+171.0%Added
Price T Rowe Associates Inc49,587$345.0K0.00%+15,200+44.2%Added
Citigroup Inc44,820$311.9K0.00%+39,808+794.3%Added
Natixis44,258$308.0K0.00%+44,258New
Alps Advisors Inc39,756$276.7K0.00%+7,943+25.0%Added
First Manhattan Co34,745$241.8K0.00%00.0%Unchanged
Tobias Financial Advisors, Inc.34,173$237.8K0.08%00.0%Unchanged
Balyasny Asset Management LLC31,120$216.6K0.00%+31,120New
Barclays PLC29,779$207.3K0.00%+20,844+233.3%Added
683 Capital Management, LLC29,519$205.5K0.02%−670,481−95.8%Reduced
LMR Partners LLP26,204$182.4K0.00%+8,893+51.4%Added
Raymond James & Associates25,669$178.7K0.00%−1,380−5.1%Reduced
Goldman Sachs Group Inc23,750$165.3K0.00%−164,557−87.4%Reduced
Two Sigma Securities, LLC22,387$155.8K0.02%+22,387New
Charles Schwab Investment Management Inc22,201$154.5K0.00%00.0%Unchanged
Lighthouse Investment Partners, LLC21,873$152.2K0.03%+21,873New
Jacobs Levy Equity Management, Inc21,374$148.8K0.00%−260,462−92.4%Reduced
Mirabella Financial Services LLP20,858$145.2K0.01%+20,858New
Hikari Power Ltd20,020$139.0K0.01%00.0%Unchanged
Man Group plc19,967$139.0K0.00%+19,967New
Laidlaw Wealth Management LLC18,000$125.3K0.03%+18,000New
Jump Financial, LLC15,506$107.9K0.01%−34,494−69.0%Reduced
Stifel Financial Corp14,928$103.9K0.00%−1,000−6.3%Reduced
Group One Trading, L.P.14,617$101.7K0.00%−11,296−43.6%Reduced
Cetera Advisor Networks LLC14,408$100.3K0.00%−7,018−32.8%Reduced
Boothbay Fund Management, LLC13,525$94.1K0.00%+13,525New
American Century Companies Inc13,169$91.7K0.00%+13,169New
Fox Run Management, L.L.C.12,682$88.3K0.04%+12,682New
Magnus Financial Group LLC10,370$72.2K0.01%+10,370New
Vontobel Holding Ltd.10,059$70.0K0.00%+10,059New
CIBC World Markets Inc.10,000$70.0K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec9,930$69.1K0.00%−500−4.8%Reduced
Joseph P. Lucia & Associates, LLC12,000$62.3K0.05%+12,000New
Advisor Group Holdings, Inc.7,146$50.0K0.00%−168−2.3%Reduced
Dorsey Wright & Associates3,580$24.9K0.01%+3,580New
Royal Bank of Canada2,112$15.0K0.00%−140−6.2%Reduced
UBS Group AG1,800$12.5K0.00%−24,003−93.0%Reduced
Stephens Consulting, LLC1,000$6.96K0.00%00.0%Unchanged
Truvestments Capital LLC929$6.47K0.00%00.0%Unchanged
Lindbrook Capital, LLC512$3.56K0.00%−249−32.7%Reduced
PSI Advisors, LLC500$3.48K0.00%00.0%Unchanged
Worth Asset Management, LLC500$3.48K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.246$1.71K0.00%00.0%Unchanged
HighMark Wealth Management LLC155$1.08K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.152$1.06K0.00%+152New
JPMorgan Chase & Co73$1.00K0.00%−20−21.5%Reduced
BNP Paribas Arbitrage, SA53$3690.00%−593−91.8%Reduced
Belpointe Asset Management LLC50$3480.00%+50New
Institutional & Family Asset Management, LLC23$1600.00%00.0%Unchanged
Rockefeller Capital Management L.P.38$00.00%00.0%Unchanged
Cubist Systematic Strategies, LLC0$00.00%−116,285−100.0%Sold out
New York Life Investments Alternatives0$00.00%−85,091−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−41,590−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−33,685−100.0%Sold out