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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 2024

Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 2024. 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
112
+11 vs. Q2 2024
Shares held
36.7M
+4.99M (+15.7%) vs. Q2 2024
Total value
$196.4M
+$91.4M (+87.2%) vs. Q2 2024
New holders
19
40 more added
Sold out
8
24 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 112 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 2024: $196.4M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2024.

Institutions holding ALDX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC9,275,851$50.0M1.07%00.0%Unchanged
Knoll Capital Management, LLC5,475,516$29.5M14.26%00.0%Unchanged
Vanguard Group Inc3,760,619$20.3M0.00%+18,233+0.5%Added
BlackRock, Inc.3,734,408$20.1M0.00%+3,734,408New
Kennedy Capital Management, Inc.1,881,078$10.1M0.22%+281,405+17.6%Added
Geode Capital Management, LLC1,114,628$6.01M0.00%−23,415−2.1%Reduced
State Street Corp973,908$5.25M0.00%+16,188+1.7%Added
Eagle Asset Management Inc709,518$3.92M0.02%−132,053−15.7%Reduced
Invesco Ltd.656,510$3.54M0.00%+626,646+2,098.3%Added
Dimensional Fund Advisors LP604,041$3.26M0.00%−68,016−10.1%Reduced
Federated Hermes, Inc.549,564$2.96M0.01%+18,343+3.5%Added
Morgan Stanley520,646$2.81M0.00%+209,242+67.2%Added
Ardsley Advisory Partners LP500,000$2.69M0.51%+500,000New
Jacobs Levy Equity Management, Inc476,949$2.57M0.01%+295,864+163.4%Added
Northern Trust Corp388,623$2.09M0.00%+3,116+0.8%Added
PFG Investments, LLC386,447$2.08M0.13%−9,800−2.5%Reduced
Wells Fargo & Company386,306$2.08M0.00%−8,991−2.3%Reduced
Bank of America Corp375,393$2.02M0.00%−3,097−0.8%Reduced
D. E. Shaw & Co., Inc.334,781$1.80M0.00%+12,843+4.0%Added
ADAR1 Capital Management, LLC302,212$1.63M0.27%+302,212New
Deutsche Bank AG300,591$1.62M0.00%+239+0.1%Added
Los Angeles Capital Management LLC271,262$1.46M0.01%−63,407−18.9%Reduced
Acadian Asset Management LLC254,314$1.37M0.00%−191,572−43.0%Reduced
Palo Alto Investors LP225,465$1.22M0.16%00.0%Unchanged
Two Sigma Advisers, LP209,300$1.13M0.00%−73,600−26.0%Reduced
Woodstock Corp180,806$974.5K0.09%00.0%Unchanged
Two Sigma Investments, LP146,759$791.0K0.00%−46,356−24.0%Reduced
Goldman Sachs Group Inc144,828$780.6K0.00%+39,901+38.0%Added
Charles Schwab Investment Management Inc136,733$737.0K0.00%00.0%Unchanged
Panagora Asset Management Inc136,350$734.9K0.00%+76,052+126.1%Added
Nuveen Asset Management, LLC129,724$699.2K0.00%00.0%Unchanged
Bank of New York Mellon Corp118,086$636.5K0.00%−77,636−39.7%Reduced
Renaissance Technologies LLC107,400$578.9K0.00%−395,900−78.7%Reduced
STRS Ohio97,900$527.7K0.00%+6,200+6.8%Added
EAM Investors, LLC92,522$498.7K0.07%+92,522New
Hennion & Walsh Asset Management, Inc.87,036$469.1K0.02%−1,086−1.2%Reduced
American Century Companies Inc86,709$467.4K0.00%+33,321+62.4%Added
Rhumbline Advisers77,101$415.6K0.00%+120+0.2%Added
Barclays PLC65,561$353.4K0.00%+48,313+280.1%Added
Alliancebernstein L.P.62,990$339.5K0.00%00.0%Unchanged
Price T Rowe Associates Inc55,622$300.0K0.00%+7,149+14.7%Added
Citadel Advisors LLC54,151$291.9K0.00%+44,587+466.2%Added
CIBC Private Wealth Group, LLC51,458$277.4K0.00%00.0%Unchanged
Alps Advisors Inc45,536$245.4K0.00%−790−1.7%Reduced
Citigroup Inc36,292$195.6K0.00%+25,089+223.9%Added
Raymond James & Associates34,884$188.0K0.00%+251+0.7%Added
First Manhattan Co34,745$187.3K0.00%00.0%Unchanged
Verition Fund Management LLC33,530$180.7K0.00%−186,297−84.7%Reduced
Joseph P. Lucia & Associates, LLC31,732$171.0K0.08%+3,480+12.3%Added
PDT Partners, LLC31,402$169.3K0.01%+31,402New
Group One Trading, L.P.29,432$158.6K0.01%+27,586+1,494.4%Added
MetLife Investment Management28,689$154.6K0.00%00.0%Unchanged
Susquehanna International Group, LLP27,432$147.9K0.00%+10,669+63.6%Added
Mirae Asset Global ETFs Holdings Ltd.27,077$145.9K0.00%+2,672+10.9%Added
Corebridge Financial, Inc.26,637$143.6K0.00%−165−0.6%Reduced
UBS Group AG26,529$143.0K0.00%−21,497−44.8%Reduced
Providence Wealth Advisors, LLC25,000$142.0K0.10%00.0%Unchanged
JPMorgan Chase & Co23,816$128.4K0.00%+1,883+8.6%Added
Jane Street Group, LLC23,731$127.9K0.00%−69,415−74.5%Reduced
Tobias Financial Advisors, Inc.23,695$127.7K0.03%00.0%Unchanged
LPL Financial LLC20,786$112.0K0.00%−550−2.6%Reduced
Manufacturers Life Insurance Company, The20,693$111.5K0.00%−1,041−4.8%Reduced
Hikari Power Ltd20,020$108.0K0.01%00.0%Unchanged
SG Americas Securities, LLC19,543$105.0K0.00%+8,165+71.8%Added
Captrust Financial Advisors19,261$103.8K0.00%+9,087+89.3%Added
Cetera Investment Advisers19,012$102.5K0.00%+1,035+5.8%Added
Fox Run Management, L.L.C.19,002$102.4K0.02%+19,002New
Laidlaw Wealth Management LLC18,175$98.0K0.05%+1,300+7.7%Added
Voya Investment Management LLC16,855$90.8K0.00%−809−4.6%Reduced
Stifel Financial Corp16,108$86.8K0.00%+591+3.8%Added
Intech Investment Management LLC14,628$78.8K0.00%+14,628New
BNP Paribas Arbitrage, SA14,229$76.7K0.00%+10,201+253.3%Added
King Wealth13,700$74.0K0.01%+2,700+24.5%Added
Ameriprise Financial Inc12,580$67.8K0.00%+12,580New
Diversified Trust Co12,265$66.1K0.00%00.0%Unchanged
Mackenzie Financial Corp11,632$62.7K0.00%−3,392−22.6%Reduced
Paloma Partners Management Co11,546$62.2K0.00%+11,546New
Trexquant Investment LP11,500$62.0K0.00%+11,500New
FMR LLC10,759$58.0K0.00%+1,612+17.6%Added
Clearstead Advisors, LLC10,398$56.0K0.00%00.0%Unchanged
Prime Capital Investment Advisors, LLC10,000$53.9K0.00%00.0%Unchanged
New York State Common Retirement Fund9,598$51.7K0.00%−9,000−48.4%Reduced
Russell Investments Group, Ltd.7,218$38.9K0.00%+7,218New
Farther Finance Advisors, LLC6,906$37.2K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec6,400$34.5K0.00%00.0%Unchanged
US Bancorp5,578$30.1K0.00%+5,578New
National Bank of Canada5,502$29.7K0.00%+20.0%Added
Royal Bank of Canada4,871$27.0K0.00%+185+3.9%Added
Legal & General Group Plc4,397$23.7K0.00%+280+6.8%Added
Ameritas Investment Partners, Inc.3,846$20.7K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.3,800$20.5K0.00%00.0%Unchanged
California State Teachers Retirement System3,610$19.5K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio3,500$18.9K0.00%+3,500New
Tower Research Capital LLC (TRC)3,304$17.8K0.00%−6,325−65.7%Reduced
Activest Wealth Management2,000$10.8K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,493$8.05K0.00%+42+2.9%Added
Amalgamated Bank1,571$8.00K0.00%00.0%Unchanged
Stephens Consulting, LLC1,000$5.39K0.00%00.0%Unchanged
CWM, LLC904$5.00K0.00%+165+22.3%Added
Advisor Group Holdings, Inc.680$3.67K0.00%00.0%Unchanged