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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 2023

Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 31, 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
105
−15 vs. Q3 2023
Shares held
35.1M
−2.65M (−7.0%) vs. Q3 2023
Total value
$123.3M
−$129.0M (−51.1%) vs. Q3 2023
New holders
21
24 more added
Sold out
36
47 more reduced

Compare with Q3 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 holdersQ4 2023: 105 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 2023: $123.3M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding ALDX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Nisa Investment Advisors, LLC40$1400.00%+40New
Institutional & Family Asset Management, LLC50$1760.00%−1−2.0%Reduced
HighMark Wealth Management LLC155$5440.00%00.0%Unchanged
Metropolitan Life Insurance Co177$6210.00%−2,381−93.1%Reduced
Comerica Bank189$6630.00%+114+152.0%Added
Federated Hermes, Inc.243$8530.00%−20,820−98.8%Reduced
Truvestments Capital LLC265$9300.00%00.0%Unchanged
CWM, LLC191$1.00K0.00%+191New
Advisory Services Network, LLC500$1.75K0.00%+500New
Lindbrook Capital, LLC544$1.91K0.00%−234−30.1%Reduced
PSI Advisors, LLC650$2.28K0.00%+150+30.0%Added
Stephens Consulting, LLC1,000$3.51K0.00%00.0%Unchanged
Farther Finance Advisors, LLC3,005$10.5K0.00%+3,005New
Washington Trust Advisors, Inc.3,800$13.3K0.00%+3,800New
Ameritas Investment Partners, Inc.3,846$13.5K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec5,295$18.6K0.00%+750+16.5%Added
Citigroup Inc6,426$22.6K0.00%−106,610−94.3%Reduced
Amalgamated Bank6,594$23.0K0.00%−467−6.6%Reduced
FMR LLC6,607$23.2K0.00%+1,653+33.4%Added
Advisor Group Holdings, Inc.7,246$25.4K0.00%−39,067−84.4%Reduced
California State Teachers Retirement System7,666$26.9K0.00%−44,031−85.2%Reduced
Legal & General Group Plc9,340$32.8K0.00%−28,254−75.2%Reduced
CIBC World Markets Inc.10,000$35.0K0.00%00.0%Unchanged
Prime Capital Investment Advisors, LLC10,088$35.4K0.00%+10,088New
SG Americas Securities, LLC11,028$39.0K0.00%+11,028New
NorthRock Partners, LLC11,951$41.9K0.00%+11,951New
XTX Topco Ltd11,991$42.1K0.01%+11,991New
Cubist Systematic Strategies, LLC12,138$42.6K0.00%−2,795−18.7%Reduced
Allspring Global Investments Holdings, LLC12,189$42.8K0.00%−6,429−34.5%Reduced
American Century Companies Inc12,753$44.8K0.00%+1,575+14.1%Added
Group One Trading, L.P.13,005$45.6K0.00%−52,541−80.2%Reduced
Stifel Financial Corp13,026$45.7K0.00%−12,297−48.6%Reduced
State Board of Administration of Florida Retirement System13,480$47.3K0.00%00.0%Unchanged
Royal Bank of Canada14,450$51.0K0.00%+8,609+147.4%Added
Cetera Advisor Networks LLC14,594$51.2K0.00%−582−3.8%Reduced
Two Sigma Securities, LLC15,294$53.7K0.00%+15,294New
Qube Research & Technologies Ltd15,629$54.9K0.00%+15,629New
New York State Common Retirement Fund18,598$65.3K0.00%−86−0.5%Reduced
Balyasny Asset Management LLC18,720$65.7K0.00%−48,860−72.3%Reduced
LPL Financial LLC18,822$66.1K0.00%+18,822New
Manufacturers Life Insurance Company, The19,005$66.7K0.00%00.0%Unchanged
Voya Investment Management LLC19,334$67.9K0.00%00.0%Unchanged
Captrust Financial Advisors19,492$68.4K0.00%−10,936−35.9%Reduced
Hikari Power Ltd20,020$70.0K0.01%00.0%Unchanged
BNP Paribas Arbitrage, SA20,481$71.9K0.00%−47,460−69.9%Reduced
Simplex Trading, LLC21,578$75.0K0.00%−50,061−69.9%Reduced
ExodusPoint Capital Management, LP21,560$76.0K0.00%−39,089−64.5%Reduced
Tower Research Capital LLC (TRC)22,167$77.8K0.00%+20,264+1,064.8%Added
American International Group, Inc.23,149$81.3K0.00%−94−0.4%Reduced
MetLife Investment Management24,681$86.6K0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd25,354$89.0K0.01%+25,354New
Joseph P. Lucia & Associates, LLC28,252$99.2K0.06%−79−0.3%Reduced
Tobias Financial Advisors, Inc.31,173$109.4K0.03%−3,000−8.8%Reduced
JPMorgan Chase & Co31,679$111.2K0.00%−248−0.8%Reduced
Invesco Ltd.31,765$111.5K0.00%−16,313−33.9%Reduced
Raymond James & Associates32,784$115.1K0.00%−18,267−35.8%Reduced
First Manhattan Co34,745$122.0K0.00%00.0%Unchanged
HRT Financial LP44,826$157.0K0.00%+44,826New
Price T Rowe Associates Inc44,827$158.0K0.00%+4,935+12.4%Added
Thrivent Financial for Lutherans47,054$165.0K0.00%−51,568−52.3%Reduced
Alliancebernstein L.P.50,440$177.0K0.00%00.0%Unchanged
UBS Group AG53,077$186.3K0.00%−21,518−28.8%Reduced
Engineers Gate Manager LP57,146$200.6K0.01%+57,146New
International Assets Investment Management, LLC58,500$205.3K0.03%+9,518+19.4%Added
Cornercap Investment Counsel Inc61,601$216.2K0.04%+61,601New
Rhumbline Advisers61,863$217.1K0.00%−649−1.0%Reduced
Barclays PLC63,855$224.1K0.00%−74,456−53.8%Reduced
Citadel Advisors LLC67,729$237.7K0.00%−222,070−76.6%Reduced
Jane Street Group, LLC68,327$239.8K0.00%−64,106−48.4%Reduced
Squarepoint Ops LLC72,964$256.1K0.00%+72,964New
Hennion & Walsh Asset Management, Inc.79,201$278.0K0.02%+5,532+7.5%Added
STRS Ohio87,500$307.0K0.00%+63,900+270.8%Added
Los Angeles Capital Management LLC111,712$392.1K0.00%+111,712New
Woodstock Corp116,704$409.6K0.05%−20,475−14.9%Reduced
Charles Schwab Investment Management Inc125,525$440.6K0.00%00.0%Unchanged
Nuveen Asset Management, LLC129,724$455.3K0.00%−56,252−30.2%Reduced
Goldman Sachs Group Inc147,480$517.7K0.00%−21,203−12.6%Reduced
Ameriprise Financial Inc165,928$582.4K0.00%−32,083−16.2%Reduced
Gsa Capital Partners LLP168,763$592.0K0.05%+153,499+1,005.6%Added
Bank of New York Mellon Corp170,039$596.8K0.00%−7,324−4.1%Reduced
Two Sigma Investments, LP201,541$707.4K0.00%−65,781−24.6%Reduced
Susquehanna International Group, LLP202,196$709.7K0.00%−139,214−40.8%Reduced
Acadian Asset Management LLC219,280$768.0K0.00%+219,280New
Palo Alto Investors LP225,465$791.4K0.07%+64,665+40.2%Added
D. E. Shaw & Co., Inc.260,056$912.8K0.00%+214,089+465.7%Added
Deutsche Bank AG297,436$1.04M0.00%+2,661+0.9%Added
Johnson & Johnson299,669$1.05M0.02%−95,165−24.1%Reduced
Renaissance Technologies LLC300,000$1.05M0.00%+78,200+35.3%Added
Wells Fargo & Company345,113$1.21M0.00%+1,841+0.5%Added
Two Sigma Advisers, LP351,400$1.23M0.00%−69,500−16.5%Reduced
Bank of America Corp373,920$1.31M0.00%+76,495+25.7%Added
Northern Trust Corp393,007$1.38M0.00%−19,437−4.7%Reduced
Morgan Stanley420,068$1.47M0.00%+170,953+68.6%Added
Millennium Management LLC440,388$1.55M0.00%−141,790−24.4%Reduced
State Street Corp899,009$3.16M0.00%−2,166,958−70.7%Reduced
Eagle Asset Management Inc1,010,334$3.55M0.02%−32,061−3.1%Reduced
Geode Capital Management, LLC1,022,572$3.59M0.00%+47,000+4.8%Added
Dimensional Fund Advisors LP1,038,652$3.65M0.00%−166,372−13.8%Reduced
Kennedy Capital Management, Inc.1,276,146$4.48M0.10%+1,276,146New
Verition Fund Management LLC1,324,834$4.65M0.05%+389,561+41.7%Added