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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, Q3 2023

Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 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
120
+1 vs. Q2 2023
Shares held
37.8M
−1.26M (−3.2%) vs. Q2 2023
Total value
$252.3M
−$75.2M (−23.0%) vs. Q2 2023
New holders
15
41 more added
Sold out
14
37 more reduced

Compare with Q2 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 holdersQ3 2023: 120 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 heldQ3 2023: $252.3M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2023.

Institutions holding ALDX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC11,350,085$75.8M2.55%00.0%Unchanged
BlackRock Inc.3,371,132$22.5M0.00%+140,718+4.4%Added
Vanguard Group Inc3,187,420$21.3M0.00%+7,226+0.2%Added
State Street Corp3,065,967$20.5M0.00%+24,101+0.8%Added
Knoll Capital Management, LLC3,031,915$20.3M21.02%+16,247+0.5%Added
Dimensional Fund Advisors LP1,205,024$8.05M0.00%+79,379+7.1%Added
Laurion Capital Management LP1,128,889$7.54M0.20%+127,512+12.7%Added
Eagle Asset Management Inc1,042,395$6.96M0.04%−16,151−1.5%Reduced
Geode Capital Management, LLC975,572$6.52M0.00%+22,322+2.3%Added
Verition Fund Management LLC935,273$6.25M0.08%+5,199+0.6%Added
Millennium Management LLC582,178$3.89M0.00%+86,603+17.5%Added
Two Sigma Advisers, LP420,900$2.81M0.01%−13,100−3.0%Reduced
Northern Trust Corp412,444$2.76M0.00%−1,232−0.3%Reduced
Johnson & Johnson394,834$2.64M0.97%00.0%Unchanged
Wells Fargo & Company343,272$2.29M0.00%+3,396+1.0%Added
Susquehanna International Group, LLP341,410$2.28M0.00%+99,743+41.3%Added
Bank of America Corp297,425$1.99M0.00%+748+0.3%Added
Deutsche Bank AG294,775$1.97M0.00%+6,470+2.2%Added
Citadel Advisors LLC289,799$1.94M0.00%+134,651+86.8%Added
Rafferty Asset Management, LLC268,690$1.79M0.01%+15,469+6.1%Added
Two Sigma Investments, LP267,322$1.79M0.00%+136,022+103.6%Added
Morgan Stanley249,115$1.66M0.00%−71,913−22.4%Reduced
Renaissance Technologies LLC221,800$1.48M0.00%−83,556−27.4%Reduced
Ameriprise Financial Inc198,011$1.32M0.00%−5,428−2.7%Reduced
Nuveen Asset Management, LLC185,976$1.24M0.00%+56,523+43.7%Added
Bank of New York Mellon Corp177,363$1.18M0.00%−234−0.1%Reduced
Goldman Sachs Group Inc168,683$1.13M0.00%−28,753−14.6%Reduced
Palo Alto Investors LP160,800$1.07M0.10%00.0%Unchanged
Barclays PLC138,311$923.9K0.00%+11,447+9.0%Added
Woodstock Corp137,179$916.4K0.11%00.0%Unchanged
Jane Street Group, LLC132,433$884.7K0.00%+77,785+142.3%Added
ClariVest Asset Management LLC130,044$869.0K0.05%00.0%Unchanged
Charles Schwab Investment Management Inc125,525$838.5K0.00%00.0%Unchanged
Citigroup Inc113,036$755.1K0.00%+29,031+34.6%Added
Swiss National Bank102,000$681.4K0.00%00.0%Unchanged
Thrivent Financial for Lutherans98,622$658.0K0.00%−12,124−10.9%Reduced
UBS Group AG74,595$498.3K0.00%−14,634−16.4%Reduced
Hennion & Walsh Asset Management, Inc.73,669$492.1K0.03%+34,796+89.5%Added
Simplex Trading, LLC71,639$478.0K0.02%+71,639New
BNP Paribas Arbitrage, SA67,941$453.8K0.00%+8,122+13.6%Added
Balyasny Asset Management LLC67,580$451.4K0.00%+52,725+354.9%Added
Group One Trading, L.P.65,546$437.8K0.02%+65,546New
Rhumbline Advisers62,512$417.6K0.00%+3,018+5.1%Added
ExodusPoint Capital Management, LP60,649$405.0K0.01%+60,649New
Credit Suisse AG54,203$362.1K0.00%−10,073−15.7%Reduced
California State Teachers Retirement System51,697$345.3K0.00%−5,015−8.8%Reduced
Raymond James & Associates51,051$341.0K0.00%−761−1.5%Reduced
Alliancebernstein L.P.50,440$336.9K0.00%−170,090−77.1%Reduced
North Star Investment Management Corp.50,000$334.0K0.03%00.0%Unchanged
Invesco Ltd.48,078$321.2K0.00%−467,263−90.7%Reduced
Advisor Group Holdings, Inc.46,313$309.3K0.00%+39,166+548.0%Added
D. E. Shaw & Co., Inc.45,967$307.1K0.00%−30,013−39.5%Reduced
Profund Advisors LLC45,104$301.3K0.02%−773−1.7%Reduced
International Assets Investment Management, LLC48,982$299.3K0.04%+695+1.4%Added
Affinity Asset Advisors, LLC44,348$296.2K0.10%−105,652−70.4%Reduced
Weiss Multi-Strategy Advisers LLC43,723$292.0K0.01%−6,277−12.6%Reduced
Alps Advisors Inc43,250$288.9K0.00%+192+0.4%Added
State of Wisconsin Investment Board40,077$267.7K0.00%−927−2.3%Reduced
Price T Rowe Associates Inc39,892$267.0K0.00%+742+1.9%Added
Victory Capital Management Inc39,930$266.7K0.00%−142,520−78.1%Reduced
Legal & General Group Plc37,594$251.3K0.00%−303−0.8%Reduced
First Manhattan Co34,745$232.1K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.34,252$228.8K0.01%+11,529+50.7%Added
Tobias Financial Advisors, Inc.34,173$228.3K0.06%00.0%Unchanged
Fox Run Management, L.L.C.33,519$223.9K0.07%+33,519New
Mirae Asset Global Investments Co., Ltd.32,151$214.8K0.00%−17−0.1%Reduced
JPMorgan Chase & Co31,927$213.3K0.00%−4,504−12.4%Reduced
Captrust Financial Advisors30,428$203.3K0.00%+15,339+101.7%Added
Joseph P. Lucia & Associates, LLC28,331$189.3K0.13%+5,550+24.4%Added
J. Goldman & Co LP27,000$180.4K0.01%−81,000−75.0%Reduced
Stifel Financial Corp25,323$169.2K0.00%−13,494−34.8%Reduced
Janus Henderson Group PLC25,239$168.7K0.00%+70.0%Added
MetLife Investment Management24,681$164.9K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP23,748$158.6K0.02%+23,748New
STRS Ohio23,600$157.0K0.00%00.0%Unchanged
American International Group, Inc.23,243$155.3K0.00%+826+3.7%Added
Federated Hermes, Inc.21,063$140.7K0.00%00.0%Unchanged
AQR Capital Management LLC20,913$139.7K0.00%−5,245−20.1%Reduced
Wolverine Trading, LLC20,266$135.4K0.00%+2,908+16.8%Added
Hikari Power Ltd20,020$134.0K0.01%00.0%Unchanged
Voya Investment Management LLC19,334$129.2K0.00%+723+3.9%Added
Manufacturers Life Insurance Company, The19,005$127.0K0.00%00.0%Unchanged
New York State Common Retirement Fund18,684$124.8K0.00%+484+2.7%Added
Allspring Global Investments Holdings, LLC18,618$124.4K0.00%+18,618New
CIBC Private Wealth Group, LLC17,150$114.6K0.00%+17,150New
Vontobel Holding Ltd.15,560$103.9K0.00%−21,642−58.2%Reduced
Gsa Capital Partners LLP15,264$102.0K0.01%−64,443−80.8%Reduced
Cetera Advisor Networks LLC15,176$101.4K0.00%−1,873−11.0%Reduced
Sciencast Management LP15,125$101.0K0.05%+15,125New
Cubist Systematic Strategies, LLC14,933$99.8K0.00%+14,933New
Pale Fire Capital SE14,700$98.2K0.01%+14,700New
E Fund Management Co., Ltd.13,939$93.0K0.01%+327+2.4%Added
State Board of Administration of Florida Retirement System13,480$90.0K0.00%+260+2.0%Added
Arizona State Retirement System13,342$89.1K0.00%+180+1.4%Added
Teacher Retirement System of Texas13,314$89.0K0.00%+601+4.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)12,270$82.0K0.00%00.0%Unchanged
Aigen Investment Management, LP11,980$80.0K0.02%+11,980New
Trexquant Investment LP11,631$77.7K0.00%−3,940−25.3%Reduced
UBS Asset Management Americas Inc11,212$74.9K0.00%+11,212New
American Century Companies Inc11,178$74.7K0.00%−9,329−45.5%Reduced