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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, Q3 2025

Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 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
131
+9 vs. Q2 2025
Shares held
39.1M
+5.00M (+14.7%) vs. Q2 2025
Total value
$204.2M
+$73.4M (+56.2%) vs. Q2 2025
New holders
24
57 more added
Sold out
15
25 more reduced

Compare with Q2 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 holdersQ3 2025: 131 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 heldQ3 2025: $204.2M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding ALDX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sunbelt Securities, Inc.2$100.00%+2New
TD Waterhouse Canada Inc.15$790.00%00.0%Unchanged
Nisa Investment Advisors, LLC97$5060.00%00.0%Unchanged
Rothschild Investment LLC135$7050.00%+50+58.8%Added
HighMark Wealth Management LLC155$8090.00%00.0%Unchanged
Quadrant Capital Group LLC185$9660.00%+185New
Point72 (DIFC) Ltd213$1.11K0.00%+213New
True Wealth Design, LLC230$1.20K0.00%+83+56.5%Added
SBI Securities Co., Ltd.263$1.37K0.00%00.0%Unchanged
Truvestments Capital LLC265$1.38K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.480$2.50K0.00%00.0%Unchanged
US Bancorp554$2.89K0.00%−20,582−97.4%Reduced
Pineridge Advisors LLC600$3.13K0.00%+600New
Sterling Capital Management LLC804$4.20K0.00%+424+111.6%Added
Point72 Europe (London) LLP915$4.78K0.00%+915New
Optiver Holding B.V.980$5.12K0.00%+980New
The PNC Financial Services Group, Inc.1,013$5.29K0.00%+472+87.2%Added
GAMMA Investing LLC1,054$5.50K0.00%+663+169.6%Added
IFP Advisors, Inc1,427$7.45K0.00%+23+1.6%Added
Amalgamated Bank1,571$8.00K0.00%00.0%Unchanged
Allworth Financial LP1,762$9.20K0.00%+699+65.8%Added
Raffa Wealth Management, LLC1,897$9.90K0.00%00.0%Unchanged
Activest Wealth Management2,000$10.4K0.00%00.0%Unchanged
New Millennium Group LLC2,460$12.8K0.01%+2,460New
Washington Trust Advisors, Inc.2,800$14.6K0.00%−1,000−26.3%Reduced
Citigroup Inc3,008$15.7K0.00%−44,742−93.7%Reduced
California State Teachers Retirement System3,613$18.9K0.00%+3+0.1%Added
Tower Research Capital LLC (TRC)3,622$18.9K0.00%−3,891−51.8%Reduced
Ameritas Investment Partners, Inc.3,846$20.1K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,906$20.4K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC4,840$25.3K0.00%+291+6.4%Added
Legal & General Group Plc5,836$30.5K0.00%00.0%Unchanged
FMR LLC6,599$34.4K0.00%+17+0.3%Added
New York State Common Retirement Fund9,598$50.1K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec9,687$50.6K0.00%+2,695+38.5%Added
Krilogy Financial LLC10,407$51.3K0.00%+10,407New
Voya Investment Management LLC10,066$52.5K0.00%−5,160−33.9%Reduced
CIBC Private Wealth Group, LLC10,505$54.8K0.00%+10,505New
Clearstead Advisors, LLC10,508$54.9K0.00%+450+4.5%Added
BNP Paribas Arbitrage, SA10,610$55.4K0.00%+2,859+36.9%Added
Capital Advisors Wealth Management, LLC10,800$56.4K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC10,904$57.0K0.00%−305−2.7%Reduced
King Wealth11,100$58.0K0.01%−1,000−8.3%Reduced
Inscription Capital, LLC12,633$65.9K0.01%+12,633New
Regal Investment Advisors LLC13,167$68.7K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio13,388$69.9K0.00%+6,888+106.0%Added
Mercer Global Advisors Inc14,385$75.1K0.00%+14,385New
Buckingham Strategic Partners14,609$75.2K0.00%+14,609New
ExodusPoint Capital Management, LP14,951$78.0K0.00%+14,951New
Letko, Brosseau & Associates Inc17,300$90.3K0.00%00.0%Unchanged
Pallas Capital Advisors LLC17,345$90.5K0.00%−417−2.3%Reduced
Police & Firemen's Retirement System of New Jersey17,632$92.0K0.00%+7,616+76.0%Added
MetLife Investment Management18,397$96.0K0.00%−9,935−35.1%Reduced
Manufacturers Life Insurance Company, The19,159$100.0K0.00%−915−4.6%Reduced
Quadrature Capital Ltd19,275$100.5K0.00%+19,275New
Brighton Jones LLC19,945$104.1K0.00%+2,046+11.4%Added
Hikari Power Ltd20,020$105.0K0.01%00.0%Unchanged
Intech Investment Management LLC21,211$110.7K0.00%−8,772−29.3%Reduced
Providence Wealth Advisors, LLC25,000$128.5K0.08%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.25,498$133.1K0.00%−3,094−10.8%Reduced
JPMorgan Chase & Co27,122$141.6K0.00%+1,418+5.5%Added
Simplex Trading, LLC29,176$152.0K0.00%+7,993+37.7%Added
Mariner, LLC29,846$155.8K0.00%+7,433+33.2%Added
Joseph P. Lucia & Associates, LLC31,591$164.9K0.06%−32−0.1%Reduced
American Century Companies Inc32,283$168.5K0.00%+32,283New
XTX Topco Ltd34,466$179.9K0.01%+34,466New
First Manhattan Co34,745$181.4K0.00%00.0%Unchanged
Creative Planning34,848$181.9K0.00%+22,801+189.3%Added
LPL Financial LLC34,916$182.3K0.00%−14,525−29.4%Reduced
Essential Partners LLC35,214$183.8K0.06%+1,037+3.0%Added
Wealth Enhancement Advisory Services, LLC32,842$184.2K0.00%+5,556+20.4%Added
Ameriprise Financial Inc35,409$184.8K0.00%+9,146+34.8%Added
International Assets Investment Management, LLC48,640$191.2K0.02%00.0%Unchanged
SEI Investments Co39,359$205.5K0.00%+39,359New
Graham Capital Management, L.P.45,922$239.7K0.01%+45,922New
Quantinno Capital Management LP51,324$267.9K0.00%+51,324New
SRS Capital Advisors, Inc.51,359$268.1K0.00%+51,359New
Captrust Financial Advisors52,994$276.6K0.00%+1,502+2.9%Added
Royal Bank of Canada54,326$284.0K0.00%−65,816−54.8%Reduced
CWM, LLC58,379$305.0K0.00%+16,621+39.8%Added
Cerity Partners LLC60,356$315.1K0.00%+23,779+65.0%Added
State of Wisconsin Investment Board60,894$317.9K0.00%+60,894New
Price T Rowe Associates Inc64,262$336.0K0.00%+15,579+32.0%Added
PFG Investments, LLC66,000$344.5K0.02%−191,300−74.3%Reduced
Alliancebernstein L.P.75,550$394.4K0.00%00.0%Unchanged
Barclays PLC76,644$400.1K0.00%−19,004−19.9%Reduced
Rhumbline Advisers78,646$410.5K0.00%+1,152+1.5%Added
STRS Ohio85,700$447.4K0.00%+3,400+4.1%Added
Cubist Systematic Strategies, LLC101,375$529.2K0.01%+71,408+238.3%Added
Russell Investments Group, Ltd.111,102$580.0K0.00%+84,758+321.7%Added
Group One Trading, L.P.113,584$592.9K0.02%−19,403−14.6%Reduced
Bank of New York Mellon Corp121,852$636.1K0.00%+10,511+9.4%Added
Gsa Capital Partners LLP122,664$640.0K0.05%+49,368+67.4%Added
Invesco Ltd.133,705$697.9K0.00%+11,139+9.1%Added
Y-Intercept (Hong Kong) Ltd138,091$720.8K0.02%+138,091New
Nuveen, LLC144,685$755.3K0.00%+37,980+35.6%Added
Millennium Management LLC149,365$779.7K0.00%+129,759+661.8%Added
Charles Schwab Investment Management Inc150,478$785.5K0.00%−7,060−4.5%Reduced
Citadel Advisors LLC152,254$794.8K0.00%+139,800+1,122.5%Added
Susquehanna International Group, LLP158,383$826.8K0.00%−73,383−31.7%Reduced