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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 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 30, 2025. 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
122
−4 vs. Q1 2025
Shares held
34.1M
−3.76M (−9.9%) vs. Q1 2025
Total value
$130.8M
−$84.8M (−39.3%) vs. Q1 2025
New holders
20
47 more added
Sold out
24
32 more reduced

Compare with Q1 2025: 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 2025: 122 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 2025: $130.8M
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 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding ALDX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TD Waterhouse Canada Inc.15$590.00%00.0%Unchanged
Skopos Labs, Inc.51$1960.00%−1,391−96.5%Reduced
Rothschild Investment LLC85$3260.00%+85New
Nisa Investment Advisors, LLC97$3720.00%−1,533−94.0%Reduced
True Wealth Design, LLC147$5640.00%−96−39.5%Reduced
HighMark Wealth Management LLC155$5940.00%00.0%Unchanged
SBI Securities Co., Ltd.263$1.01K0.00%00.0%Unchanged
Truvestments Capital LLC265$1.01K0.00%00.0%Unchanged
Sterling Capital Management LLC380$1.46K0.00%−397−51.1%Reduced
GAMMA Investing LLC391$1.50K0.00%−293−42.8%Reduced
Caitong International Asset Management Co., Ltd430$1.65K0.00%+259+151.5%Added
Advisor Group Holdings, Inc.480$1.84K0.00%−400−45.5%Reduced
The PNC Financial Services Group, Inc.541$2.07K0.00%+447+475.5%Added
Stephens Consulting, LLC1,000$3.83K0.00%00.0%Unchanged
Allworth Financial LP1,063$4.07K0.00%+1,063New
Kozak & Associates, Inc.1,000$4.52K0.00%+1,000New
IFP Advisors, Inc1,404$5.38K0.00%+1,404New
Amalgamated Bank1,571$6.00K0.00%00.0%Unchanged
Raffa Wealth Management, LLC1,897$7.27K0.00%00.0%Unchanged
Activest Wealth Management2,000$7.66K0.00%00.0%Unchanged
Raymond James Financial Inc2,998$11.5K0.00%−448,917−99.3%Reduced
California State Teachers Retirement System3,610$13.8K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.3,800$14.6K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,846$14.7K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,906$15.0K0.00%−3,000−43.4%Reduced
EverSource Wealth Advisors, LLC4,549$17.4K0.00%+4,152+1,045.8%Added
Legal & General Group Plc5,836$22.4K0.00%+1,439+32.7%Added
Public Employees Retirement System of Ohio6,500$24.9K0.00%+6,500New
FMR LLC6,582$25.2K0.00%−3,651−35.7%Reduced
Federation des caisses Desjardins du Quebec6,992$26.8K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)7,513$28.8K0.00%+5,314+241.7%Added
BNP Paribas Arbitrage, SA7,751$29.7K0.00%−19,342−71.4%Reduced
New York State Common Retirement Fund9,598$36.8K0.00%00.0%Unchanged
Inspirion Wealth Advisors, LLC10,000$38.3K0.01%+10,000New
Police & Firemen's Retirement System of New Jersey10,016$38.4K0.00%00.0%Unchanged
Clearstead Advisors, LLC10,058$38.5K0.00%−340−3.3%Reduced
Capital Advisors Wealth Management, LLC10,800$41.4K0.01%00.0%Unchanged
Two Sigma Securities, LLC11,002$42.1K0.01%+11,002New
ProShare Advisors LLC11,127$42.6K0.00%+343+3.2%Added
Commonwealth Equity Services, LLC11,209$43.0K0.00%−11,186−49.9%Reduced
King Wealth12,100$46.0K0.01%+12,100New
Creative Planning12,047$46.1K0.00%−970−7.5%Reduced
Citadel Advisors LLC12,454$47.7K0.00%+12,454New
Caption Management, LLC12,664$48.5K0.00%−168,442−93.0%Reduced
Regal Investment Advisors LLC13,167$50.4K0.00%00.0%Unchanged
Corton Capital Inc.14,940$57.2K0.07%+14,940New
Voya Investment Management LLC15,226$58.3K0.00%+1,302+9.4%Added
Los Angeles Capital Management LLC16,320$62.5K0.00%+16,320New
Letko, Brosseau & Associates Inc17,300$66.3K0.00%00.0%Unchanged
Pallas Capital Advisors LLC17,762$68.0K0.00%+17,762New
Brighton Jones LLC17,899$68.6K0.00%+17,899New
Millennium Management LLC19,606$75.1K0.00%−115,549−85.5%Reduced
Manufacturers Life Insurance Company, The20,074$76.9K0.00%+1,972+10.9%Added
Hikari Power Ltd20,020$77.0K0.01%00.0%Unchanged
US Bancorp21,136$81.0K0.00%+21,112+87,966.7%Added
Simplex Trading, LLC21,183$81.0K0.00%+16,472+349.6%Added
Mariner, LLC22,413$85.8K0.00%+22,413New
JPMorgan Chase & Co25,704$98.4K0.00%−1,840−6.7%Reduced
Ameriprise Financial Inc26,263$100.6K0.00%+26,263New
Russell Investments Group, Ltd.26,344$100.9K0.00%−698−2.6%Reduced
MetLife Investment Management28,332$108.5K0.00%+233+0.8%Added
Mirae Asset Global ETFs Holdings Ltd.28,592$109.5K0.00%−1,248−4.2%Reduced
Cubist Systematic Strategies, LLC29,967$114.8K0.00%+29,967New
Intech Investment Management LLC29,983$114.8K0.00%+6,477+27.6%Added
Wealth Enhancement Advisory Services, LLC27,286$117.3K0.00%+16,376+150.1%Added
Two Sigma Advisers, LP30,800$118.0K0.00%−2,300−6.9%Reduced
Joseph P. Lucia & Associates, LLC31,623$121.1K0.05%−35−0.1%Reduced
Providence Wealth Advisors, LLC25,000$129.4K0.09%00.0%Unchanged
Essential Partners LLC34,177$130.9K0.05%+34,177New
First Manhattan Co34,745$133.1K0.00%00.0%Unchanged
Cerity Partners LLC36,577$140.1K0.00%+36,577New
CWM, LLC41,758$160.0K0.00%+22,514+117.0%Added
Citigroup Inc47,750$182.9K0.00%+13,088+37.8%Added
International Assets Investment Management, LLC48,640$186.3K0.02%00.0%Unchanged
Price T Rowe Associates Inc48,683$187.0K0.00%+13,600+38.8%Added
LPL Financial LLC49,441$189.4K0.00%+173+0.4%Added
Captrust Financial Advisors51,492$197.2K0.00%+4,297+9.1%Added
Two Sigma Investments, LP55,739$213.5K0.00%+412+0.7%Added
Bank of America Corp56,491$216.4K0.00%−352,051−86.2%Reduced
Kennondale Capital Management LLC56,729$217.3K0.22%−94,551−62.5%Reduced
Panagora Asset Management Inc72,059$276.0K0.00%+21,605+42.8%Added
Gsa Capital Partners LLP73,296$281.0K0.02%+73,296New
Alliancebernstein L.P.75,550$289.4K0.00%+16,900+28.8%Added
Rhumbline Advisers77,494$296.8K0.00%+2,018+2.7%Added
STRS Ohio82,300$315.2K0.00%+5,800+7.6%Added
Barclays PLC95,648$366.3K0.00%+44,691+87.7%Added
Jane Street Group, LLC96,683$370.3K0.00%−81,427−45.7%Reduced
Nuveen, LLC106,705$408.7K0.00%−241,816−69.4%Reduced
UBS Group AG107,253$410.8K0.00%+12,783+13.5%Added
Bank of New York Mellon Corp111,341$426.4K0.00%+410+0.4%Added
Renaissance Technologies LLC112,800$432.0K0.00%−3,800−3.3%Reduced
Royal Bank of Canada120,142$460.0K0.00%+116,708+3,398.6%Added
Invesco Ltd.122,566$469.4K0.00%−378,571−75.5%Reduced
Group One Trading, L.P.132,987$509.3K0.02%−31,424−19.1%Reduced
Goldman Sachs Group Inc139,614$534.7K0.00%+15,249+12.3%Added
Ieq Capital, LLC146,854$562.5K0.00%+102,709+232.7%Added
Walleye Capital LLC155,609$596.0K0.01%+155,609New
Charles Schwab Investment Management Inc157,538$603.4K0.00%+19,553+14.2%Added
Acadian Asset Management LLC192,402$735.0K0.00%+96,442+100.5%Added
Palo Alto Investors LP225,465$863.5K0.18%00.0%Unchanged