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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 2026

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2026. 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
128
−5 vs. Q4 2025
Shares held
37.3M
+2.09M (+5.9%) vs. Q4 2025
Total value
$63.3M
−$119.2M (−65.3%) vs. Q4 2025
New holders
24
50 more added
Sold out
29
37 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 128 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 2026: $63.3M
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 2026

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding ALDX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
JPL Wealth Management, LLC14$240.00%+14New
TD Waterhouse Canada Inc.15$250.00%00.0%Unchanged
Basecamp Wealth Advisors LLC109$1840.00%+109New
Versant Capital Management, Inc139$2350.00%+139New
HighMark Wealth Management LLC155$2610.00%00.0%Unchanged
True Wealth Design, LLC158$2680.00%−16−9.2%Reduced
Quadrant Capital Group LLC185$3130.00%00.0%Unchanged
SBI Securities Co., Ltd.263$4440.00%00.0%Unchanged
Truvestments Capital LLC265$4480.00%00.0%Unchanged
SJS Investment Consulting Inc.284$4800.00%+270+1,928.6%Added
Rothschild Investment LLC360$6080.00%+235+188.0%Added
The PNC Financial Services Group, Inc.369$6240.00%−177−32.4%Reduced
Root Financial Partners, LLC449$7590.00%+449New
SRS Capital Advisors, Inc.476$8040.00%+469+6,700.0%Added
Sterling Capital Management LLC621$1.05K0.00%−363−36.9%Reduced
GAMMA Investing LLC1,117$1.89K0.00%+820+276.1%Added
Royal Bank of Canada1,368$2.00K0.00%−1,385−50.3%Reduced
IFP Advisors, Inc1,442$2.44K0.00%−1−0.1%Reduced
Raffa Wealth Management, LLC1,897$3.21K0.00%00.0%Unchanged
Allworth Financial LP2,085$3.52K0.00%+827+65.7%Added
California State Teachers Retirement System2,937$4.96K0.00%−404−12.1%Reduced
Federated Hermes, Inc.2,962$5.01K0.00%+2,962New
Citigroup Inc3,111$5.26K0.00%+1,556+100.1%Added
MAI Capital Management3,208$5.42K0.00%+3,179+10,962.1%Added
Quantbot Technologies LP3,795$6.41K0.00%+3,795New
Ameritas Investment Partners, Inc.3,846$6.50K0.00%00.0%Unchanged
Activest Wealth Management4,000$6.76K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC4,216$7.13K0.00%−413−8.9%Reduced
Farther Finance Advisors, LLC4,450$7.48K0.00%+495+12.5%Added
Optiver Holding B.V.4,566$7.72K0.00%+3,586+365.9%Added
Nisa Investment Advisors, LLC4,600$7.77K0.00%+4,503+4,642.3%Added
UBS Asset Management Americas Inc4,825$8.15K0.00%+3,933+440.9%Added
Legal & General Group Plc4,940$8.35K0.00%−705−12.5%Reduced
New York State Common Retirement Fund9,598$16.2K0.00%00.0%Unchanged
Barclays PLC9,906$16.7K0.00%−74,565−88.3%Reduced
Inspirion Wealth Advisors, LLC10,000$16.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)11,325$19.1K0.00%+6,320+126.3%Added
Caerus Investment Advisors, LLC11,455$19.4K0.01%+11,455New
King Wealth11,900$20.0K0.00%+1,100+10.2%Added
CIBC Bancorp USA Inc.13,237$22.4K0.00%+13,237New
Intech Investment Management LLC14,754$24.9K0.00%−18,574−55.7%Reduced
Integrated Wealth Concepts LLC14,958$25.3K0.00%+14,958New
Capital Advisors Wealth Management, LLC15,000$25.4K0.00%−800−5.1%Reduced
Abel Hall, LLC15,142$25.6K0.01%+15,142New
Krilogy Financial LLC14,459$26.0K0.00%+14,459New
U.S. Capital Wealth Advisors, LLC15,805$26.7K0.00%+1,000+6.8%Added
Manufacturers Life Insurance Company, The16,155$27.3K0.00%−866−5.1%Reduced
FMR LLC16,503$27.9K0.00%+9,538+136.9%Added
Buckingham Strategic Partners17,026$28.8K0.00%+6,491+61.6%Added
Letko, Brosseau & Associates Inc17,300$29.2K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC17,687$29.9K0.00%+17,687New
Federation des caisses Desjardins du Quebec18,106$30.6K0.00%+5,919+48.6%Added
Police & Firemen's Retirement System of New Jersey18,181$30.7K0.00%+7,460+69.6%Added
Chicago Partners Investment Group LLC19,523$33.2K0.00%+19,523New
Merit Financial Group, LLC19,679$33.3K0.00%+19,679New
Hikari Power Ltd20,020$34.0K0.00%00.0%Unchanged
Nuveen, LLC21,266$35.9K0.00%−86,954−80.3%Reduced
Colony Group, LLC22,098$37.3K0.00%+22,098New
Brighton Jones LLC22,199$37.5K0.00%+22,199New
JPMorgan Chase & Co23,158$38.9K0.00%+1,169+5.3%Added
LPL Financial LLC23,416$39.6K0.00%−11,500−32.9%Reduced
Providence Wealth Advisors, LLC25,000$43.3K0.03%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.25,815$43.6K0.00%+612+2.4%Added
Creative Planning28,871$48.8K0.00%−5,650−16.4%Reduced
BNP Paribas Arbitrage, SA29,815$50.4K0.00%−233,592−88.7%Reduced
First Manhattan Co34,745$58.7K0.00%00.0%Unchanged
Essential Partners LLC35,893$60.7K0.02%+705+2.0%Added
AlphaCentric Advisors LLC37,120$62.7K0.06%+2,208+6.3%Added
International Assets Investment Management, LLC37,360$62.8K0.00%−10,115−21.3%Reduced
Mercer Global Advisors Inc37,742$63.8K0.00%+27,171+257.0%Added
Canada Pension Plan Investment Board47,400$80.1K0.00%+11,900+33.5%Added
Deutsche Bank AG50,271$85.0K0.00%−267,064−84.2%Reduced
Graham Capital Management, L.P.51,592$87.2K0.00%−24,773−32.4%Reduced
Captrust Financial Advisors52,947$89.5K0.00%+952+1.8%Added
Flow Traders U.S. LLC55,521$94.0K0.00%+55,521New
Wealth Enhancement Advisory Services, LLC61,087$101.4K0.00%+28,404+86.9%Added
STRS Ohio68,200$115.3K0.00%00.0%Unchanged
Rhumbline Advisers69,205$116.9K0.00%−1,208−1.7%Reduced
Price T Rowe Associates Inc73,772$125.0K0.00%+9,510+14.8%Added
XTX Topco Ltd75,166$127.0K0.00%+32,939+78.0%Added
Cerity Partners LLC81,223$137.3K0.00%+30,174+59.1%Added
Russell Investments Group, Ltd.84,300$142.5K0.00%−29,826−26.1%Reduced
Qube Research & Technologies Ltd87,078$147.2K0.00%+2,150+2.5%Added
Fox Run Management, L.L.C.90,964$152.8K0.03%+69,981+333.5%Added
CWM, LLC91,623$154.8K0.00%+48,318+111.6%Added
Mariner, LLC91,870$155.3K0.00%+68,994+301.6%Added
Kennedy Capital Management, Inc.95,862$162.0K0.00%−1,159,976−92.4%Reduced
Marshall Wace, LLP129,693$219.2K0.00%+129,693New
Bank of New York Mellon Corp136,746$231.1K0.00%+20,980+18.1%Added
Charles Schwab Investment Management Inc139,029$235.0K0.00%−13,758−9.0%Reduced
Wellington Management Group LLP148,962$251.7K0.00%−29,889−16.7%Reduced
Palo Alto Investors LP155,709$263.1K0.04%−69,756−30.9%Reduced
Caption Management, LLC165,000$278.9K0.01%+130,000+371.4%Added
ExodusPoint Capital Management, LP167,604$283.3K0.00%+75,214+81.4%Added
Invesco Ltd.169,698$286.8K0.00%+6,611+4.1%Added
Wells Fargo & Company189,729$320.6K0.00%−176,440−48.2%Reduced
Alliancebernstein L.P.68,140$353.0K0.00%−7,410−9.8%Reduced
Bank of America Corp215,332$363.9K0.00%−194,696−47.5%Reduced
Two Sigma Investments, LP223,537$377.8K0.00%−63,827−22.2%Reduced
Gsa Capital Partners LLP247,194$418.0K0.03%+150,277+155.1%Added