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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 2021

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2021. 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
108
No complete 13F data for Q4 2020
Shares held
31.7M
No complete 13F data for Q4 2020
Total value
$376.7M
No complete 13F data for Q4 2020

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 2021: 108 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 2021: $376.7M
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 2021

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ALDX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC8,703,879$103.4M1.37%––
First Light Asset Management, LLC2,624,001$31.2M2.07%––
Avidity Partners Management LP2,552,000$30.3M0.85%––
State Street Corp2,423,024$28.8M0.00%––
Vanguard Group Inc2,052,495$24.4M0.00%––
BlackRock Inc.1,053,328$12.5M0.00%––
Two Sigma Investments, LP881,962$10.5M0.03%––
Two Sigma Advisers, LP835,400$9.93M0.03%––
FMR LLC759,794$9.03M0.00%––
Woodline Partners LP730,394$8.68M0.19%––
Ghost Tree Capital, LLC650,000$7.72M2.16%––
Knoll Capital Management, LLC569,405$6.76M4.41%––
Altium Capital Management LP548,225$6.51M1.81%––
Millennium Management LLC543,823$6.46M0.01%––
Prosight Management, LP473,446$5.63M4.61%––
Verition Fund Management LLC416,717$4.95M0.09%––
Geode Capital Management, LLC398,437$4.73M0.00%––
Johnson & Johnson Innovation - JJDC, Inc.394,834$4.69M0.61%––
Silverarc Capital Management, LLC321,879$3.82M2.14%––
Affinity Asset Advisors, LLC300,000$3.56M1.75%––
Deutsche Bank AG299,633$3.56M0.00%––
Dimensional Fund Advisors LP274,835$3.27M0.00%––
Susquehanna International Group, LLP270,727$3.22M0.00%––
Citadel Advisors LLC257,392$3.06M0.00%––
Citigroup Inc231,491$2.75M0.00%––
Rafferty Asset Management, LLC162,850$1.94M0.01%––
Palo Alto Investors LP160,800$1.91M0.11%––
ExodusPoint Capital Management, LP156,414$1.86M0.04%––
Weiss Multi-Strategy Advisers LLC151,683$1.80M0.04%––
Woodstock Corp148,072$1.76M0.22%––
Rovida Advisors Inc.130,000$1.54M0.07%––
First Trust Advisors LP120,115$1.43M0.00%––
EAM Investors, LLC103,191$1.23M0.18%––
Northern Trust Corp90,202$1.07M0.00%––
Cubist Systematic Strategies, LLC83,117$987.0K0.01%––
Goldman Sachs Group Inc75,647$899.0K0.00%––
Wells Fargo & Company74,676$887.0K0.00%––
Susquehanna Fundamental Investments, LLC71,631$851.0K0.01%––
Alps Advisors Inc70,227$834.0K0.01%––
Stifel Financial Corp66,191$786.0K0.00%––
HRT Financial LP65,539$778.0K0.01%––
California Public Employees Retirement System64,500$766.0K0.00%––
Mesirow Financial Investment Management, Inc.63,634$756.0K2.06%––
First Midwest Bank Trust Division62,331$740.0K0.10%––
Group One Trading, L.P.60,553$719.0K0.02%––
Qube Research & Technologies Ltd57,502$683.0K0.01%––
Premier Asset Management LLC56,505$671.0K0.12%––
Assenagon Asset Management S.A.53,774$639.0K0.00%––
Barclays PLC50,745$603.0K0.00%––
UBS Group AG48,907$581.0K0.00%––
Bank of New York Mellon Corp47,354$563.0K0.00%––
Jacobs Levy Equity Management, Inc43,069$512.0K0.00%––
Ensign Peak Advisors, Inc41,318$491.0K0.00%––
New York Life Investments Alternatives36,310$431.0K0.30%––
Bank of America Corp34,322$408.0K0.00%––
Tobias Financial Advisors, Inc.34,173$406.0K0.17%––
CSS LLC32,640$388.0K0.02%––
BNP Paribas Arbitrage, SA31,892$378.9K0.00%––
LPL Financial LLC30,085$357.0K0.00%––
Caxton Corp29,552$351.0K0.23%––
Parametric Portfolio Associates LLC26,769$318.0K0.00%––
International Assets Investment Management, LLC37,355$306.0K0.03%––
Shepherd Kaplan Krochuk, LLC25,000$297.0K0.12%––
Ironwood Investment Management LLC24,424$290.0K0.15%––
Ameriprise Financial Inc23,900$284.0K0.00%––
Old Well Partners, LLC23,487$279.0K0.14%––
IHT Wealth Management, LLC23,043$274.0K0.02%––
LMR Partners LLP22,680$269.0K0.01%––
Raymond James & Associates22,300$265.0K0.00%––
Belvedere Trading LLC20,441$243.0K0.11%––
Hikari Power Ltd20,020$238.0K0.03%––
Jane Street Group, LLC19,445$231.0K0.00%––
Quantitative Systematic Strategies LLC18,902$225.0K0.03%––
Charles Schwab Investment Management Inc18,127$216.0K0.00%––
D. E. Shaw & Co., Inc.18,152$216.0K0.00%––
Windsor Creek Advisors, LLC16,500$196.0K0.08%––
Federation des caisses Desjardins du Quebec16,475$195.7K0.00%––
Morgan Stanley16,375$194.0K0.00%––
Schonfeld Strategic Advisors LLC15,406$182.0K0.00%––
CIBC World Markets Inc.15,000$178.0K0.00%––
Simplex Trading, LLC13,566$161.0K0.01%––
Credit Suisse AG13,040$155.0K0.00%––
Kestra Advisory Services, LLC12,367$147.0K0.00%––
Balyasny Asset Management LLC11,964$142.0K0.00%––
SlateStone Wealth, LLC11,964$142.0K0.04%––
Bank of Montreal10,827$136.0K0.00%––
Cetera Advisor Networks LLC11,188$133.0K0.00%––
Diametric Capital, LP10,375$123.0K0.09%––
Pacer Advisors, Inc.3,810$45.0K0.00%––
Bank Julius Baer & Co. Ltd, Zurich3,500$42.0K0.00%––
Royal Bank of Canada2,832$34.0K0.00%––
Maven Securities LTD2,667$32.0K0.00%––
Kelly Financial Services LLC2,507$29.8K0.02%––
Tower Research Capital LLC (TRC)1,526$18.0K0.00%––
Princeton Global Asset Management LLC1,500$18.0K0.01%––
Steward Partners Investment Advisory, LLC1,200$14.3K0.00%––
Advisor Group Holdings, Inc.1,000$12.0K0.00%––
Jacobi Capital Management LLC820$10.0K0.00%––
HighMark Wealth Management LLC859$10.0K0.01%––
Panagora Asset Management Inc563$7.00K0.00%––