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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 2024

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2024. 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
101
−4 vs. Q4 2023
Shares held
35.4M
+287.7K (+0.8%) vs. Q4 2023
Total value
$115.8M
−$7.48M (−6.1%) vs. Q4 2023
New holders
14
31 more added
Sold out
18
33 more reduced

Compare with Q4 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 holdersQ1 2024: 101 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 2024: $115.8M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding ALDX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC8,593,586$28.1M0.50%00.0%Unchanged
Knoll Capital Management, LLC5,475,516$17.9M11.14%00.0%Unchanged
Vanguard Group Inc3,869,079$12.7M0.00%−58,518−1.5%Reduced
BlackRock Inc.3,310,787$10.8M0.00%−119,987−3.5%Reduced
Kennedy Capital Management, Inc.1,318,155$4.31M0.09%+42,009+3.3%Added
Geode Capital Management, LLC1,028,198$3.36M0.00%+5,626+0.6%Added
Eagle Asset Management Inc967,815$3.16M0.02%−42,519−4.2%Reduced
Verition Fund Management LLC940,398$3.08M0.03%−384,436−29.0%Reduced
State Street Corp939,569$3.07M0.00%+40,560+4.5%Added
Dimensional Fund Advisors LP882,210$2.88M0.00%−156,442−15.1%Reduced
Renaissance Technologies LLC727,690$2.38M0.00%+427,690+142.6%Added
D. E. Shaw & Co., Inc.547,640$1.79M0.00%+287,584+110.6%Added
Acadian Asset Management LLC452,449$1.48M0.01%+233,169+106.3%Added
Bank of America Corp398,951$1.30M0.00%+25,031+6.7%Added
Northern Trust Corp389,187$1.27M0.00%−3,820−1.0%Reduced
Millennium Management LLC388,705$1.27M0.00%−51,683−11.7%Reduced
Wells Fargo & Company387,304$1.27M0.00%+42,191+12.2%Added
Los Angeles Capital Management LLC380,773$1.25M0.00%+269,061+240.9%Added
Two Sigma Advisers, LP374,900$1.23M0.00%+23,500+6.7%Added
Morgan Stanley349,546$1.14M0.00%−70,522−16.8%Reduced
Johnson & Johnson299,669$979.9K0.02%00.0%Unchanged
Deutsche Bank AG292,387$956.1K0.00%−5,049−1.7%Reduced
Two Sigma Investments, LP238,964$781.4K0.00%+37,423+18.6%Added
Palo Alto Investors LP225,465$737.3K0.08%00.0%Unchanged
Jacobs Levy Equity Management, Inc178,919$585.1K0.00%+178,919New
Woodstock Corp170,715$558.2K0.06%+54,011+46.3%Added
Bank of New York Mellon Corp160,837$525.9K0.00%−9,202−5.4%Reduced
Nuveen Asset Management, LLC129,724$424.2K0.00%00.0%Unchanged
Ameriprise Financial Inc126,176$412.6K0.00%−39,752−24.0%Reduced
Charles Schwab Investment Management Inc125,525$410.5K0.00%00.0%Unchanged
Sherbrooke Park Advisers LLC107,748$352.3K0.07%+107,748New
AQR Capital Management LLC105,054$343.5K0.00%+105,054New
Simplex Trading, LLC93,465$305.0K0.01%+71,887+333.1%Added
Goldman Sachs Group Inc91,717$299.9K0.00%−55,763−37.8%Reduced
STRS Ohio82,300$269.0K0.00%−5,200−5.9%Reduced
Hennion & Walsh Asset Management, Inc.81,178$265.5K0.01%+1,977+2.5%Added
Rhumbline Advisers64,074$209.5K0.00%+2,211+3.6%Added
Cornercap Investment Counsel Inc61,601$201.4K0.03%00.0%Unchanged
International Assets Investment Management, LLC60,300$197.2K0.02%+1,800+3.1%Added
Citadel Advisors LLC55,248$180.7K0.00%−12,481−18.4%Reduced
Alliancebernstein L.P.50,440$164.9K0.00%00.0%Unchanged
Price T Rowe Associates Inc48,273$158.0K0.00%+3,446+7.7%Added
UBS Group AG48,316$158.0K0.00%−4,761−9.0%Reduced
Denali Advisors LLC47,300$154.7K0.05%+47,300New
Susquehanna International Group, LLP39,917$130.5K0.00%−162,279−80.3%Reduced
Squarepoint Ops LLC38,193$124.9K0.00%−34,771−47.7%Reduced
Raymond James & Associates36,024$117.8K0.00%+3,240+9.9%Added
First Manhattan Co34,745$113.6K0.00%00.0%Unchanged
Barclays PLC32,487$106.2K0.00%−31,368−49.1%Reduced
Invesco Ltd.31,826$104.1K0.00%+61+0.2%Added
Joseph P. Lucia & Associates, LLC28,252$92.4K0.05%00.0%Unchanged
Tobias Financial Advisors, Inc.28,173$92.1K0.02%−3,000−9.6%Reduced
Gsa Capital Partners LLP25,249$83.0K0.01%−143,514−85.0%Reduced
BNP Paribas Arbitrage, SA25,278$82.7K0.00%+4,797+23.4%Added
MetLife Investment Management24,806$81.1K0.00%+125+0.5%Added
American International Group, Inc.22,952$75.1K0.00%−197−0.9%Reduced
Providence Wealth Advisors, LLC21,500$73.6K0.06%+20,160+1,504.5%Added
LPL Financial LLC20,378$66.6K0.00%+1,556+8.3%Added
Hikari Power Ltd20,020$65.0K0.01%00.0%Unchanged
XTX Topco Ltd19,664$64.3K0.01%+7,673+64.0%Added
JPMorgan Chase & Co19,441$63.6K0.00%−12,238−38.6%Reduced
Manufacturers Life Insurance Company, The19,005$62.1K0.00%00.0%Unchanged
New York State Common Retirement Fund18,598$60.8K0.00%00.0%Unchanged
Cetera Investment Advisers17,977$58.8K0.00%+17,977New
American Century Companies Inc16,860$55.1K0.00%+4,107+32.2%Added
Voya Investment Management LLC16,086$52.6K0.00%−3,248−16.8%Reduced
Algert Global LLC15,670$51.2K0.00%+15,670New
Mackenzie Financial Corp15,517$50.7K0.00%+15,517New
Kingswood Wealth Advisors, LLC15,000$49.0K0.01%+15,000New
Laidlaw Wealth Management LLC12,725$41.6K0.02%+12,725New
Thrivent Financial for Lutherans11,356$37.0K0.00%−35,698−75.9%Reduced
Creative Planning10,686$34.9K0.00%+10,686New
King Wealth10,000$33.0K0.01%+10,000New
Captrust Financial Advisors10,039$32.8K0.00%−9,453−48.5%Reduced
Prime Capital Investment Advisors, LLC10,005$32.7K0.00%−83−0.8%Reduced
Citigroup Inc7,802$25.5K0.00%+1,376+21.4%Added
FMR LLC7,668$25.1K0.00%+1,061+16.1%Added
Advisor Group Holdings, Inc.7,100$23.2K0.00%−146−2.0%Reduced
Farther Finance Advisors, LLC6,906$22.6K0.00%+3,901+129.8%Added
National Bank of Canada5,500$20.7K0.00%+5,500New
Group One Trading, L.P.6,046$19.8K0.00%−6,959−53.5%Reduced
Federation des caisses Desjardins du Quebec5,295$17.3K0.00%00.0%Unchanged
Legal & General Group Plc5,127$16.7K0.00%−4,213−45.1%Reduced
Catalyst Funds Management Pty Ltd4,760$15.6K0.00%+4,760New
California State Teachers Retirement System4,682$15.3K0.00%−2,984−38.9%Reduced
Ameritas Investment Partners, Inc.3,846$12.6K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.3,800$12.4K0.00%00.0%Unchanged
Amalgamated Bank1,571$5.00K0.00%−5,023−76.2%Reduced
Stephens Consulting, LLC1,000$3.27K0.00%00.0%Unchanged
Royal Bank of Canada1,045$3.00K0.00%−13,405−92.8%Reduced
PSI Advisors, LLC650$2.13K0.00%00.0%Unchanged
Lindbrook Capital, LLC544$1.78K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)493$1.61K0.00%−21,674−97.8%Reduced
CWM, LLC200$1.00K0.00%+9+4.7%Added
Truvestments Capital LLC265$8670.00%00.0%Unchanged
Metropolitan Life Insurance Co197$6440.00%+20+11.3%Added
Comerica Bank189$6180.00%00.0%Unchanged
HighMark Wealth Management LLC155$5070.00%00.0%Unchanged
Nisa Investment Advisors, LLC55$1800.00%+15+37.5%Added
Institutional & Family Asset Management, LLC50$1640.00%00.0%Unchanged