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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 2023

Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 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
119
+10 vs. Q1 2023
Shares held
39.0M
+3.47M (+9.7%) vs. Q1 2023
Total value
$327.5M
−$25.8M (−7.3%) vs. Q1 2023
New holders
41
34 more added
Sold out
31
27 more reduced

Compare with Q1 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 holdersQ2 2023: 119 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 2023: $327.5M
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 2023

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2023.

Institutions holding ALDX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Institutional & Family Asset Management, LLC51$4280.00%+27+112.5%Added
HighMark Wealth Management LLC155$1.30K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.246$2.06K0.00%00.0%Unchanged
Truvestments Capital LLC265$2.22K0.00%00.0%Unchanged
PSI Advisors, LLC500$4.20K0.00%00.0%Unchanged
Worth Asset Management, LLC500$4.20K0.00%00.0%Unchanged
Roffman Miller Associates Inc500$4.20K0.00%+500New
Lindbrook Capital, LLC778$6.53K0.00%+417+115.5%Added
Stephens Consulting, LLC1,000$8.39K0.00%00.0%Unchanged
State of Wyoming1,443$12.1K0.00%+1,443New
Metropolitan Life Insurance Co2,558$21.5K0.00%+2,558New
Royal Bank of Canada2,901$24.0K0.00%+2,526+673.6%Added
Ameritas Investment Partners, Inc.3,846$32.3K0.00%+3,846New
Tower Research Capital LLC (TRC)4,317$36.2K0.00%+4,308+47,866.7%Added
PEAK6 Investments LLC5,500$46.1K0.00%−5,500−50.0%Reduced
Belvedere Trading LLC5,956$50.0K0.02%−19,071−76.2%Reduced
Amalgamated Bank7,061$59.0K0.00%+7,061New
Advisor Group Holdings, Inc.7,147$60.0K0.00%00.0%Unchanged
CIBC World Markets Inc.10,000$84.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC10,401$87.3K0.05%+10,401New
PFG Investments, LLC10,500$88.1K0.02%00.0%Unchanged
Federation des caisses Desjardins du Quebec11,030$92.5K0.00%00.0%Unchanged
Campbell & CO Investment Adviser LLC11,287$94.7K0.02%−80,821−87.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,270$102.9K0.00%+12,270New
Teacher Retirement System of Texas12,713$107.0K0.00%+12,713New
Arizona State Retirement System13,162$110.4K0.00%+13,162New
Engineers Gate Manager LP13,200$110.7K0.00%−825−5.9%Reduced
State Board of Administration of Florida Retirement System13,220$110.9K0.00%+13,220New
E Fund Management Co., Ltd.13,612$114.0K0.01%+13,612New
Balyasny Asset Management LLC14,855$124.6K0.00%−11,624−43.9%Reduced
Captrust Financial Advisors15,089$126.6K0.00%+15,089New
Trexquant Investment LP15,571$130.6K0.00%−69,762−81.8%Reduced
Wolverine Trading, LLC17,358$137.1K0.00%−4,649−21.1%Reduced
Cetera Advisor Networks LLC17,049$143.0K0.00%+2,641+18.3%Added
New York State Common Retirement Fund18,200$152.7K0.00%+18,200New
Voya Investment Management LLC18,611$156.1K0.00%+18,611New
Manufacturers Life Insurance Company, The19,005$159.5K0.00%+19,005New
Hikari Power Ltd20,020$168.0K0.02%00.0%Unchanged
American Century Companies Inc20,507$172.1K0.00%+2,762+15.6%Added
Federated Hermes, Inc.21,063$176.7K0.00%+21,063New
American International Group, Inc.22,417$188.1K0.00%+22,417New
Parallax Volatility Advisers, L.P.22,723$190.6K0.01%+22,723New
Joseph P. Lucia & Associates, LLC22,781$191.1K0.13%−3,656−13.8%Reduced
STRS Ohio23,600$198.0K0.00%+23,600New
MetLife Investment Management24,681$207.1K0.00%+24,681New
Janus Henderson Group PLC25,232$211.3K0.00%+25,232New
AQR Capital Management LLC26,158$219.5K0.00%+26,158New
Mirae Asset Global Investments Co., Ltd.32,168$265.6K0.00%+32,168New
Tobias Financial Advisors, Inc.34,173$286.7K0.08%00.0%Unchanged
First Manhattan Co34,745$291.5K0.00%00.0%Unchanged
JPMorgan Chase & Co36,431$305.7K0.00%+36,358+49,805.5%Added
Vontobel Holding Ltd.37,202$312.1K0.00%+23,770+177.0%Added
Legal & General Group Plc37,897$317.7K0.00%+37,897New
Stifel Financial Corp38,817$325.7K0.00%+11,240+40.8%Added
Hennion & Walsh Asset Management, Inc.38,873$326.0K0.02%+38,873New
Price T Rowe Associates Inc39,150$329.0K0.00%−10,437−21.0%Reduced
State of Wisconsin Investment Board41,004$344.0K0.00%+41,004New
Alps Advisors Inc43,058$361.3K0.00%+4,477+11.6%Added
Profund Advisors LLC45,877$384.9K0.02%+45,877New
International Assets Investment Management, LLC48,287$405.1K0.06%−19,105−28.3%Reduced
Virtu Financial LLC49,294$414.0K0.03%+49,294New
North Star Investment Management Corp.50,000$419.5K0.03%+50,000New
Weiss Multi-Strategy Advisers LLC50,000$420.0K0.01%−8,968−15.2%Reduced
Raymond James & Associates51,812$434.7K0.00%+24,970+93.0%Added
Jane Street Group, LLC54,648$458.5K0.00%−214,882−79.7%Reduced
California State Teachers Retirement System56,712$475.8K0.00%+56,712New
Rhumbline Advisers59,494$499.2K0.00%+59,494New
BNP Paribas Arbitrage, SA59,819$501.9K0.00%+59,819New
Credit Suisse AG64,276$539.3K0.00%+64,276New
Algert Global LLC72,310$606.7K0.03%+72,310New
Tri Locum Partners LP73,067$613.0K0.23%+73,067New
D. E. Shaw & Co., Inc.75,980$637.5K0.00%−48,942−39.2%Reduced
Gsa Capital Partners LLP79,707$669.0K0.07%−13,237−14.2%Reduced
Citigroup Inc84,005$704.8K0.00%+35,419+72.9%Added
UBS Group AG89,229$748.6K0.00%+82,821+1,292.5%Added
First Republic Investment Management, Inc.100,111$839.9K0.00%+100,111New
Swiss National Bank102,000$855.8K0.00%+102,000New
J. Goldman & Co LP108,000$906.1K0.05%+67,825+168.8%Added
Thrivent Financial for Lutherans110,746$929.0K0.00%−5,385−4.6%Reduced
Charles Schwab Investment Management Inc125,525$1.05M0.00%+103,324+465.4%Added
Barclays PLC126,864$1.06M0.00%+110,039+654.0%Added
Nuveen Asset Management, LLC129,453$1.09M0.00%+129,453New
ClariVest Asset Management LLC130,044$1.09M0.05%+23,588+22.2%Added
Two Sigma Investments, LP131,300$1.10M0.00%−89,200−40.5%Reduced
Woodstock Corp137,179$1.15M0.14%00.0%Unchanged
Prosight Management, LP149,511$1.25M0.37%−233,936−61.0%Reduced
Affinity Asset Advisors, LLC150,000$1.26M0.50%+150,000New
Citadel Advisors LLC155,148$1.30M0.00%−33,095−17.6%Reduced
Palo Alto Investors LP160,800$1.35M0.11%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.169,306$1.42M0.01%−13,764−7.5%Reduced
Bank of New York Mellon Corp177,597$1.49M0.00%+111,294+167.9%Added
Victory Capital Management Inc182,450$1.53M0.00%+44,170+31.9%Added
Marshall Wace, LLP183,337$1.54M0.00%+106,232+137.8%Added
Goldman Sachs Group Inc197,436$1.66M0.00%−89,807−31.3%Reduced
Ameriprise Financial Inc203,439$1.71M0.00%+60,007+41.8%Added
Alliancebernstein L.P.220,530$1.85M0.00%+220,530New
Susquehanna International Group, LLP241,667$2.03M0.00%−856,501−78.0%Reduced
Rafferty Asset Management, LLC253,221$2.12M0.01%+253,221New
Deutsche Bank AG288,305$2.42M0.00%+64,251+28.7%Added
Bank of America Corp296,677$2.49M0.00%+137,221+86.1%Added