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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, Q1 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 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
126
+10 vs. Q4 2024
Shares held
37.9M
+900.9K (+2.4%) vs. Q4 2024
Total value
$215.5M
+$31.0M (+16.8%) vs. Q4 2024
New holders
24
26 more added
Sold out
14
47 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 126 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 heldQ1 2025: $215.5M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2024.

Institutions holding ALDX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TD Waterhouse Canada Inc.15$820.00%00.0%Unchanged
US Bancorp24$1380.00%+24New
Parallel Advisors, LLC30$1730.00%+30New
The PNC Financial Services Group, Inc.94$5410.00%+60+176.5%Added
Wolff Wiese Magana LLC113$6500.00%00.0%Unchanged
SRS Capital Advisors, Inc.125$7190.00%−57−31.3%Reduced
HighMark Wealth Management LLC155$8910.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd171$9830.00%+171New
Comerica Bank238$1.37K0.00%00.0%Unchanged
True Wealth Design, LLC243$1.40K0.00%+223+1,115.0%Added
SBI Securities Co., Ltd.263$1.51K0.00%+11+4.4%Added
Truvestments Capital LLC265$1.52K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC397$2.28K0.00%+382+2,546.7%Added
PSI Advisors, LLC650$3.74K0.00%00.0%Unchanged
GAMMA Investing LLC684$3.93K0.00%+684New
Sterling Capital Management LLC777$4.47K0.00%−661−46.0%Reduced
Advisor Group Holdings, Inc.880$5.06K0.00%+300+51.7%Added
Stephens Consulting, LLC1,000$5.75K0.00%00.0%Unchanged
Skopos Labs, Inc.1,442$8.29K0.00%+1,442New
Amalgamated Bank1,571$9.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,630$9.37K0.00%+49+3.1%Added
Raffa Wealth Management, LLC1,897$10.9K0.00%00.0%Unchanged
Activest Wealth Management2,000$11.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,199$12.6K0.00%−2,227−50.3%Reduced
Royal Bank of Canada3,434$19.0K0.00%−3,771−52.3%Reduced
California State Teachers Retirement System3,610$20.8K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.3,800$21.9K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,846$22.1K0.00%00.0%Unchanged
Legal & General Group Plc4,397$25.3K0.00%00.0%Unchanged
Simplex Trading, LLC4,711$27.0K0.00%−40,521−89.6%Reduced
Farther Finance Advisors, LLC6,906$37.8K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec6,992$40.2K0.00%00.0%Unchanged
New York State Common Retirement Fund9,598$55.2K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey10,016$57.6K0.00%00.0%Unchanged
FMR LLC10,233$58.8K0.00%−538−5.0%Reduced
Deerfield Management Company, L.P. (Series C)10,328$59.4K0.00%+10,328New
Clearstead Advisors, LLC10,398$59.8K0.00%00.0%Unchanged
ProShare Advisors LLC10,784$62.0K0.00%−3,247−23.1%Reduced
Capital Advisors Wealth Management, LLC10,800$62.1K0.01%+10,800New
Wealth Enhancement Advisory Services, LLC10,910$62.7K0.00%+10,910New
CIBC World Markets Corp11,054$63.6K0.00%+11,054New
Brevan Howard Capital Management LP11,397$65.5K0.00%+11,397New
HSBC Holdings PLC11,543$68.8K0.00%+1,086+10.4%Added
Creative Planning13,017$74.8K0.00%+13,017New
Regal Investment Advisors LLC13,167$75.7K0.01%00.0%Unchanged
CIBC Private Wealth Group, LLC40,953$78.6K0.00%−10,505−20.4%Reduced
Voya Investment Management LLC13,924$80.1K0.00%−2,078−13.0%Reduced
Wolverine Trading, LLC12,028$80.2K0.00%+12,028New
Stifel Financial Corp14,935$85.9K0.00%+179+1.2%Added
HRT Financial LP16,233$93.0K0.00%−45,656−73.8%Reduced
Letko, Brosseau & Associates Inc17,300$99.5K0.00%00.0%Unchanged
SG Americas Securities, LLC17,818$102.0K0.00%−4,547−20.3%Reduced
Manufacturers Life Insurance Company, The18,102$104.1K0.00%−1,059−5.5%Reduced
CWM, LLC19,244$111.0K0.00%+17,722+1,164.4%Added
Hikari Power Ltd20,020$115.0K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC22,395$129.0K0.00%+22,395New
Providence Wealth Advisors, LLC25,000$130.3K0.10%00.0%Unchanged
Fox Run Management, L.L.C.22,912$131.7K0.02%+22,912New
XTX Topco Ltd23,332$134.2K0.01%+23,332New
Intech Investment Management LLC23,506$135.2K0.00%−300−1.3%Reduced
Corebridge Financial, Inc.24,406$140.3K0.00%−361−1.5%Reduced
Russell Investments Group, Ltd.27,042$155.5K0.00%+27,042New
BNP Paribas Arbitrage, SA27,093$155.8K0.00%+20,738+326.3%Added
JPMorgan Chase & Co27,544$158.4K0.00%+2,150+8.5%Added
MetLife Investment Management28,099$161.6K0.00%−590−2.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.29,840$171.6K0.00%+1,248+4.4%Added
Joseph P. Lucia & Associates, LLC31,658$182.0K0.08%−120.0%Reduced
Franklin Resources Inc32,346$186.0K0.00%+32,346New
Two Sigma Advisers, LP33,100$190.3K0.00%−92,200−73.6%Reduced
Citigroup Inc34,662$199.3K0.00%−3,932−10.2%Reduced
First Manhattan Co34,745$199.8K0.00%00.0%Unchanged
Price T Rowe Associates Inc35,083$202.0K0.00%+2,978+9.3%Added
Verition Fund Management LLC37,505$215.7K0.00%+37,505New
Jacobs Levy Equity Management, Inc37,984$218.4K0.00%+37,984New
Alps Advisors Inc43,803$251.9K0.00%−4,352−9.0%Reduced
Ieq Capital, LLC44,145$253.8K0.00%+44,145New
Captrust Financial Advisors47,195$271.4K0.00%+26,500+128.1%Added
International Assets Investment Management, LLC48,640$279.7K0.02%−11,110−18.6%Reduced
LPL Financial LLC49,268$283.3K0.00%−10,220−17.2%Reduced
Panagora Asset Management Inc50,454$290.1K0.00%−125,554−71.3%Reduced
Barclays PLC50,957$293.0K0.00%−24,373−32.4%Reduced
PFG Investments, LLC51,750$297.6K0.02%−295,997−85.1%Reduced
Two Sigma Investments, LP55,327$318.1K0.00%−76,083−57.9%Reduced
Alliancebernstein L.P.58,650$337.2K0.00%00.0%Unchanged
Susquehanna International Group, LLP65,308$375.5K0.00%−26,438−28.8%Reduced
Hennion & Walsh Asset Management, Inc.69,442$399.3K0.02%−16,006−18.7%Reduced
Rhumbline Advisers75,476$434.0K0.00%−2,712−3.5%Reduced
STRS Ohio76,500$439.9K0.00%−21,400−21.9%Reduced
UBS Group AG94,470$543.2K0.00%+195+0.2%Added
Acadian Asset Management LLC95,960$551.0K0.00%+94,681+7,402.7%Added
Bank of New York Mellon Corp110,931$637.9K0.00%−5,847−5.0%Reduced
Renaissance Technologies LLC116,600$670.5K0.00%−50,500−30.2%Reduced
Wellington Management Group LLP117,475$675.5K0.00%+117,475New
Goldman Sachs Group Inc124,365$715.1K0.00%−115,969−48.3%Reduced
Millennium Management LLC135,155$777.1K0.00%−26,771−16.5%Reduced
Charles Schwab Investment Management Inc137,985$793.4K0.00%+1,252+0.9%Added
Kennondale Capital Management LLC151,280$869.9K0.95%00.0%Unchanged
D. E. Shaw & Co., Inc.151,642$871.9K0.00%−36,941−19.6%Reduced
Trexquant Investment LP158,117$909.2K0.01%+43,637+38.1%Added
Group One Trading, L.P.164,411$945.4K0.04%−39,740−19.5%Reduced