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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, 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: $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, 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
Perceptive Advisors LLC11,350,085$95.2M2.77%00.0%Unchanged
BlackRock Inc.3,230,414$27.1M0.00%+2,245,432+228.0%Added
Vanguard Group Inc3,180,194$26.7M0.00%+681,033+27.3%Added
State Street Corp3,041,866$25.5M0.00%+2,868,585+1,655.5%Added
Knoll Capital Management, LLC3,015,668$25.3M30.98%+948,508+45.9%Added
Dimensional Fund Advisors LP1,125,645$9.44M0.00%+2,737+0.2%Added
Eagle Asset Management Inc1,058,546$8.88M0.05%−785,464−42.6%Reduced
Laurion Capital Management LP1,001,377$8.40M0.36%+44,477+4.6%Added
Geode Capital Management, LLC953,250$8.00M0.00%+464,905+95.2%Added
Verition Fund Management LLC930,074$7.80M0.12%−634,954−40.6%Reduced
FMR LLC681,258$5.72M0.00%−107,531−13.6%Reduced
Invesco Ltd.515,341$4.32M0.00%+232,635+82.3%Added
Millennium Management LLC495,575$4.16M0.00%−622,856−55.7%Reduced
Two Sigma Advisers, LP434,000$3.64M0.01%−93,900−17.8%Reduced
Northern Trust Corp413,676$3.47M0.00%+328,190+383.9%Added
Johnson & Johnson394,834$3.31M1.03%00.0%Unchanged
Wells Fargo & Company339,876$2.85M0.00%+68,033+25.0%Added
Morgan Stanley321,028$2.69M0.00%−858,935−72.8%Reduced
Renaissance Technologies LLC305,356$2.56M0.00%+57,956+23.4%Added
Bank of America Corp296,677$2.49M0.00%+137,221+86.1%Added
Deutsche Bank AG288,305$2.42M0.00%+64,251+28.7%Added
Rafferty Asset Management, LLC253,221$2.12M0.01%+253,221New
Susquehanna International Group, LLP241,667$2.03M0.00%−856,501−78.0%Reduced
Alliancebernstein L.P.220,530$1.85M0.00%+220,530New
Ameriprise Financial Inc203,439$1.71M0.00%+60,007+41.8%Added
Goldman Sachs Group Inc197,436$1.66M0.00%−89,807−31.3%Reduced
Marshall Wace, LLP183,337$1.54M0.00%+106,232+137.8%Added
Victory Capital Management Inc182,450$1.53M0.00%+44,170+31.9%Added
Bank of New York Mellon Corp177,597$1.49M0.00%+111,294+167.9%Added
Connor, Clark & Lunn Investment Management Ltd.169,306$1.42M0.01%−13,764−7.5%Reduced
Palo Alto Investors LP160,800$1.35M0.11%00.0%Unchanged
Citadel Advisors LLC155,148$1.30M0.00%−33,095−17.6%Reduced
Affinity Asset Advisors, LLC150,000$1.26M0.50%+150,000New
Prosight Management, LP149,511$1.25M0.37%−233,936−61.0%Reduced
Woodstock Corp137,179$1.15M0.14%00.0%Unchanged
Two Sigma Investments, LP131,300$1.10M0.00%−89,200−40.5%Reduced
ClariVest Asset Management LLC130,044$1.09M0.05%+23,588+22.2%Added
Nuveen Asset Management, LLC129,453$1.09M0.00%+129,453New
Barclays PLC126,864$1.06M0.00%+110,039+654.0%Added
Charles Schwab Investment Management Inc125,525$1.05M0.00%+103,324+465.4%Added
Thrivent Financial for Lutherans110,746$929.0K0.00%−5,385−4.6%Reduced
J. Goldman & Co LP108,000$906.1K0.05%+67,825+168.8%Added
Swiss National Bank102,000$855.8K0.00%+102,000New
First Republic Investment Management, Inc.100,111$839.9K0.00%+100,111New
UBS Group AG89,229$748.6K0.00%+82,821+1,292.5%Added
Citigroup Inc84,005$704.8K0.00%+35,419+72.9%Added
Gsa Capital Partners LLP79,707$669.0K0.07%−13,237−14.2%Reduced
D. E. Shaw & Co., Inc.75,980$637.5K0.00%−48,942−39.2%Reduced
Tri Locum Partners LP73,067$613.0K0.23%+73,067New
Algert Global LLC72,310$606.7K0.03%+72,310New
Credit Suisse AG64,276$539.3K0.00%+64,276New
BNP Paribas Arbitrage, SA59,819$501.9K0.00%+59,819New
Rhumbline Advisers59,494$499.2K0.00%+59,494New
California State Teachers Retirement System56,712$475.8K0.00%+56,712New
Jane Street Group, LLC54,648$458.5K0.00%−214,882−79.7%Reduced
Raymond James & Associates51,812$434.7K0.00%+24,970+93.0%Added
Weiss Multi-Strategy Advisers LLC50,000$420.0K0.01%−8,968−15.2%Reduced
North Star Investment Management Corp.50,000$419.5K0.03%+50,000New
Virtu Financial LLC49,294$414.0K0.03%+49,294New
International Assets Investment Management, LLC48,287$405.1K0.05%−19,105−28.3%Reduced
Profund Advisors LLC45,877$384.9K0.02%+45,877New
Alps Advisors Inc43,058$361.3K0.00%+4,477+11.6%Added
State of Wisconsin Investment Board41,004$344.0K0.00%+41,004New
Price T Rowe Associates Inc39,150$329.0K0.00%−10,437−21.0%Reduced
Hennion & Walsh Asset Management, Inc.38,873$326.0K0.02%+38,873New
Stifel Financial Corp38,817$325.7K0.00%+11,240+40.8%Added
Legal & General Group Plc37,897$317.7K0.00%+37,897New
Vontobel Holding Ltd.37,202$312.1K0.00%+23,770+177.0%Added
JPMorgan Chase & Co36,431$305.7K0.00%+36,358+49,805.5%Added
First Manhattan Co34,745$291.5K0.00%00.0%Unchanged
Tobias Financial Advisors, Inc.34,173$286.7K0.08%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.32,168$265.6K0.00%+32,168New
AQR Capital Management LLC26,158$219.5K0.00%+26,158New
Janus Henderson Group PLC25,232$211.3K0.00%+25,232New
MetLife Investment Management24,681$207.1K0.00%+24,681New
STRS Ohio23,600$198.0K0.00%+23,600New
Joseph P. Lucia & Associates, LLC22,781$191.1K0.13%−3,656−13.8%Reduced
Parallax Volatility Advisers, L.P.22,723$190.6K0.01%+22,723New
American International Group, Inc.22,417$188.1K0.00%+22,417New
Federated Hermes, Inc.21,063$176.7K0.00%+21,063New
American Century Companies Inc20,507$172.1K0.00%+2,762+15.6%Added
Hikari Power Ltd20,020$168.0K0.02%00.0%Unchanged
Manufacturers Life Insurance Company, The19,005$159.5K0.00%+19,005New
Voya Investment Management LLC18,611$156.1K0.00%+18,611New
New York State Common Retirement Fund18,200$152.7K0.00%+18,200New
Cetera Advisor Networks LLC17,049$143.0K0.00%+2,641+18.3%Added
Wolverine Trading, LLC17,358$137.1K0.00%−4,649−21.1%Reduced
Trexquant Investment LP15,571$130.6K0.00%−69,762−81.8%Reduced
Captrust Financial Advisors15,089$126.6K0.00%+15,089New
Balyasny Asset Management LLC14,855$124.6K0.00%−11,624−43.9%Reduced
E Fund Management Co., Ltd.13,612$114.0K0.01%+13,612New
State Board of Administration of Florida Retirement System13,220$110.9K0.00%+13,220New
Engineers Gate Manager LP13,200$110.7K0.00%−825−5.9%Reduced
Arizona State Retirement System13,162$110.4K0.00%+13,162New
Teacher Retirement System of Texas12,713$107.0K0.00%+12,713New
Zurcher Kantonalbank (Zurich Cantonalbank)12,270$102.9K0.00%+12,270New
Campbell & CO Investment Adviser LLC11,287$94.7K0.02%−80,821−87.7%Reduced
Federation des caisses Desjardins du Quebec11,030$92.5K0.00%00.0%Unchanged
PFG Investments, LLC10,500$88.1K0.02%00.0%Unchanged
Virtus ETF Advisers LLC10,401$87.3K0.05%+10,401New