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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, Q4 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 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
136
+9 vs. Q3 2025
Shares held
39.0M
−59.0K (−0.2%) vs. Q3 2025
Total value
$201.8M
−$1.87M (−0.9%) vs. Q3 2025
New holders
20
38 more added
Sold out
11
54 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 136 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 heldQ4 2025: $201.8M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding ALDX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SRS Capital Advisors, Inc.7$360.00%−51,352−100.0%Reduced
SJS Investment Consulting Inc.14$730.00%+14New
TD Waterhouse Canada Inc.15$780.00%00.0%Unchanged
MAI Capital Management29$1510.00%+29New
Advisor Group Holdings, Inc.40$2070.00%−440−91.7%Reduced
Nisa Investment Advisors, LLC97$5020.00%00.0%Unchanged
Rothschild Investment LLC125$6480.00%−10−7.4%Reduced
HighMark Wealth Management LLC155$8020.00%00.0%Unchanged
True Wealth Design, LLC174$9020.00%−56−24.3%Reduced
Quadrant Capital Group LLC185$9590.00%00.0%Unchanged
SBI Securities Co., Ltd.263$1.36K0.00%00.0%Unchanged
Truvestments Capital LLC265$1.37K0.00%00.0%Unchanged
GAMMA Investing LLC297$1.54K0.00%−757−71.8%Reduced
The PNC Financial Services Group, Inc.546$2.83K0.00%−467−46.1%Reduced
UBS Asset Management Americas Inc892$4.62K0.00%+892New
Optiver Holding B.V.980$5.08K0.00%00.0%Unchanged
Sterling Capital Management LLC984$5.10K0.00%+180+22.4%Added
Allworth Financial LP1,258$6.52K0.00%−504−28.6%Reduced
IFP Advisors, Inc1,443$7.47K0.00%+16+1.1%Added
Citigroup Inc1,555$8.05K0.00%−1,453−48.3%Reduced
Amalgamated Bank1,705$9.00K0.00%+134+8.5%Added
Raffa Wealth Management, LLC1,897$9.83K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.2,800$14.5K0.00%00.0%Unchanged
Royal Bank of Canada2,753$15.0K0.00%−51,573−94.9%Reduced
California State Teachers Retirement System3,341$17.3K0.00%−272−7.5%Reduced
Ameritas Investment Partners, Inc.3,846$19.9K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,955$20.5K0.00%+49+1.3%Added
Activest Wealth Management4,000$20.7K0.00%+2,000+100.0%Added
EverSource Wealth Advisors, LLC4,629$24.0K0.00%−211−4.4%Reduced
Tower Research Capital LLC (TRC)5,005$25.9K0.00%+1,383+38.2%Added
Legal & General Group Plc5,645$29.2K0.00%−191−3.3%Reduced
FMR LLC6,965$36.1K0.00%+366+5.5%Added
New York State Common Retirement Fund9,598$49.7K0.00%00.0%Unchanged
Inspirion Wealth Advisors, LLC10,000$51.8K0.01%+10,000New
Global Retirement Partners, LLC10,000$51.8K0.00%+10,000New
Clearstead Advisors, LLC10,007$51.8K0.00%−501−4.8%Reduced
Voya Investment Management LLC10,066$52.1K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC10,505$54.4K0.00%00.0%Unchanged
Buckingham Strategic Partners10,535$54.6K0.00%−4,074−27.9%Reduced
Mercer Global Advisors Inc10,571$54.8K0.00%−3,814−26.5%Reduced
Police & Firemen's Retirement System of New Jersey10,721$55.5K0.00%−6,911−39.2%Reduced
King Wealth10,800$56.0K0.01%−300−2.7%Reduced
SG Americas Securities, LLC12,000$62.0K0.00%+12,000New
Federation des caisses Desjardins du Quebec12,187$63.1K0.00%+2,500+25.8%Added
Public Employees Retirement System of Ohio13,388$69.3K0.00%00.0%Unchanged
Regal Investment Advisors LLC13,565$70.3K0.00%+398+3.0%Added
U.S. Capital Wealth Advisors, LLC14,805$76.7K0.00%+14,805New
Jones Financial Companies LLLP15,000$77.7K0.00%+15,000New
PFG Investments, LLC15,500$80.3K0.00%−50,500−76.5%Reduced
Capital Advisors Wealth Management, LLC15,800$81.8K0.01%+5,000+46.3%Added
Manufacturers Life Insurance Company, The17,021$88.2K0.00%−2,138−11.2%Reduced
Letko, Brosseau & Associates Inc17,300$89.6K0.00%00.0%Unchanged
Pallas Capital Advisors LLC17,338$89.8K0.00%−70.0%Reduced
Walleye Capital LLC18,595$96.3K0.00%+18,595New
Hikari Power Ltd20,020$104.0K0.01%00.0%Unchanged
Providence Wealth Advisors, LLC25,000$104.1K0.07%00.0%Unchanged
Fox Run Management, L.L.C.20,983$108.7K0.02%+20,983New
JPMorgan Chase & Co21,989$113.9K0.00%−5,133−18.9%Reduced
Mariner, LLC22,876$118.4K0.00%−6,970−23.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.23,858$123.6K0.00%+23,858New
Jump Financial, LLC24,480$126.8K0.00%+24,480New
Mirae Asset Global ETFs Holdings Ltd.25,203$130.6K0.00%−295−1.2%Reduced
Wealth Enhancement Advisory Services, LLC32,683$132.7K0.00%−159−0.5%Reduced
Joseph P. Lucia & Associates, LLC26,732$138.5K0.05%−4,859−15.4%Reduced
Axq Capital, LP26,810$138.9K0.03%+26,810New
MetLife Investment Management29,531$153.0K0.00%+11,134+60.5%Added
American Century Companies Inc32,460$168.1K0.00%+177+0.5%Added
SEI Investments Co33,287$172.4K0.00%−6,072−15.4%Reduced
Intech Investment Management LLC33,328$172.6K0.00%+12,117+57.1%Added
Creative Planning34,521$178.8K0.00%−327−0.9%Reduced
First Manhattan Co34,745$180.0K0.00%00.0%Unchanged
AlphaCentric Advisors LLC34,912$180.8K0.18%+34,912New
LPL Financial LLC34,916$180.9K0.00%00.0%Unchanged
Caption Management, LLC35,000$181.3K0.01%+35,000New
Essential Partners LLC35,188$182.3K0.06%−26−0.1%Reduced
Ameriprise Financial Inc35,304$182.9K0.00%−105−0.3%Reduced
Canada Pension Plan Investment Board35,500$183.9K0.00%+35,500New
Simplex Trading, LLC39,755$205.9K0.01%+10,579+36.3%Added
ACT Capital Management, LLC41,000$212.4K0.17%+41,000New
XTX Topco Ltd42,227$218.7K0.01%+7,761+22.5%Added
CWM, LLC43,305$224.0K0.00%−15,074−25.8%Reduced
Millennium Management LLC44,059$228.2K0.00%−105,306−70.5%Reduced
Quantinno Capital Management LP45,988$238.2K0.00%−5,336−10.4%Reduced
International Assets Investment Management, LLC47,475$245.9K0.02%−1,165−2.4%Reduced
Cerity Partners LLC51,049$264.4K0.00%−9,307−15.4%Reduced
Captrust Financial Advisors51,995$269.3K0.00%−999−1.9%Reduced
Susquehanna International Group, LLP62,907$325.9K0.00%−95,476−60.3%Reduced
Price T Rowe Associates Inc64,262$333.0K0.00%00.0%Unchanged
STRS Ohio68,200$353.3K0.00%−17,500−20.4%Reduced
Rhumbline Advisers70,413$364.7K0.00%−8,233−10.5%Reduced
Alliancebernstein L.P.75,550$391.3K0.00%00.0%Unchanged
Graham Capital Management, L.P.76,365$395.6K0.01%+30,443+66.3%Added
State of Wisconsin Investment Board81,366$421.5K0.00%+20,472+33.6%Added
Group One Trading, L.P.83,449$432.3K0.01%−30,135−26.5%Reduced
Barclays PLC84,471$437.6K0.00%+7,827+10.2%Added
Qube Research & Technologies Ltd84,928$439.9K0.00%+84,928New
ExodusPoint Capital Management, LP92,390$478.6K0.01%+77,439+518.0%Added
Point72 Asset Management, L.P.94,094$487.4K0.00%+94,094New
UBS Group AG95,677$495.6K0.00%−105,062−52.3%Reduced
Gsa Capital Partners LLP96,917$502.0K0.04%−25,747−21.0%Reduced