Stock Fundamentals

Company Information

Company Name
Aldeyra The
Sector
Healthcare
Industry
Biotechnology
Exchange
NASDAQ
ISIN: US01438T1060
CIK: 0001341235
CUSIP: 01438T106
Currency: USD
Full Time Employees: 8
Phone: 781 761 4904
Fiscal Year End: December
IPO Date: May 02, 2014
Description:

Aldeyra Therapeutics, Inc., a biotechnology company, discovers and develops therapies designed to treat immune-mediated and metabolic diseases. Its lead product candidate is reproxalap, a reactive aldehyde species (RASP) modulator, which is in Phase III clinical trial for the treatment of dry eye disease and allergic conjunctivitis; and ADX-2191, a dihydrofolate reductase inhibitor for the treatment retinitis pigmentosa. The company also develops ADX-629, an orally administered RASP modulator that is in Phase 2 clinical trials for the treatment of COVID-19, atopic asthma, psoriasis, and alcohol intoxication. In addition, it develops preclinical RASP platform, including ADX 248, ADX 743, ADX 631, ADX 246, and other product candidates in development for inflammatory and metabolic diseases. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.

Address:

131 Hartwell Avenue, Lexington, MA, United States, 02421

Directors & Officers

Name Title Year Born
Dr. Todd C. Brady M.D., Ph.D. CEO, President & Director 1972
Mr. Michael Alfieri Head of Finance and Principal Financial & Accounting Officer 1965
Dr. Stephen G. Machatha Ph.D. Chief Development Officer 1978
David Burke Head of Investor Relations NA
Laura Nichols Operations Manager NA
Dr. Adam Lazorchak Director of Translational Sciences & Non-Clinical Development NA

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Knoll Capital Management LP 5.48M Dec 31, 2025 9.10% $13.01 0.00%
Perceptive Advisors LLC 5.22M Sep 30, 2025 8.68% $0.79 28.89%
BlackRock Inc 3.80M Sep 30, 2025 6.32% $0.00 -1.22%
Vanguard Group Inc 3.70M Dec 31, 2025 6.15% $0.00 2.97%
Kingdon Capital Management LLC 1.85M Dec 31, 2025 3.08% $1.14 38.91%
D. E. Shaw & Co LP 1.60M Dec 31, 2025 2.66% $0.00 16.05%
AQR Capital Management LLC 1.51M Sep 30, 2025 2.50% $0.01 2.14%
Ardsley Advisory Partners 1.45M Dec 31, 2025 2.41% $0.82 -23.68%
Kennedy Capital Management Inc 1.26M Dec 31, 2025 2.09% $0.14 12.91%
Geode Capital Management, LLC 1.18M Sep 30, 2025 1.96% $0.00 2.60%
State Street Corp 1.10M Sep 30, 2025 1.83% $0.00 4.36%
Morgan Stanley - Brokerage Accounts 1.08M Sep 30, 2025 1.80% $0.00 39.78%
Jacobs Levy Equity Management, Inc. 968.75K Dec 31, 2025 1.61% $0.02 2.24%
Acadian Asset Management LLC 835.81K Sep 30, 2025 1.39% $0.01 3,072.68%
683 Capital Management LLC 820.00K Sep 30, 2025 1.36% $0.22 -24.07%
Dimensional Fund Advisors, Inc. 612.26K Dec 31, 2025 1.02% $0.00 -5.57%
Northern Trust Corp 407.96K Sep 30, 2025 0.68% $0.00 0.99%
Bank of America Corp 390.08K Sep 30, 2025 0.65% $0.00 590.51%
Wells Fargo & Co 361.47K Sep 30, 2025 0.60% $0.00 -0.74%
Renaissance Technologies Corp 350.00K Dec 31, 2025 0.58% $0.00 77.39%

Shares Statistics

Shares Outstanding: 60.16M
Shares Float: 48.61M
% Insiders: 429.50%
% Institutions: 6,587.40%
Short % Float: 9.38%

🏆 Top 10 Institutional Holders

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Knoll Capital Management LP 5.48M 9.10% ▲ 0.00% Dec 31, 2025
2 Perceptive Advisors LLC 5.22M 8.68% ▲ 28.89% Sep 30, 2025
3 BlackRock Inc 3.80M 6.32% ▼ 1.22% Sep 30, 2025
4 Vanguard Group Inc 3.70M 6.15% ▲ 2.97% Dec 31, 2025
5 Kingdon Capital Management LLC 1.85M 3.08% ▲ 38.91% Dec 31, 2025
6 D. E. Shaw & Co LP 1.60M 2.66% ▲ 16.05% Dec 31, 2025
7 AQR Capital Management LLC 1.51M 2.50% ▲ 2.14% Sep 30, 2025
8 Ardsley Advisory Partners 1.45M 2.41% ▼ 23.68% Dec 31, 2025
9 Kennedy Capital Management Inc 1.26M 2.09% ▲ 12.91% Dec 31, 2025
10 Geode Capital Management, LLC 1.18M 1.96% ▲ 2.60% Sep 30, 2025

Valuation Metrics

Enterprise Value: $269.04M
Trailing P/E: 0.00
Forward P/E: 0.00

Financial Highlights

Market Cap: $328.49M
EBITDA: $-44.92M
PEG Ratio: $0.00
Book Value: $0.82
Earnings/Share: $-0.73
Profit Margin: 0.00%
Operating Margin: 0.00%
ROA (TTM): -28.94%
ROE (TTM): -64.31%
Revenue (TTM): $0.00
Revenue/Share (TTM): $0.00
Earnings Growth (YOY): 0.00%
Revenue Growth (YOY): 0.00%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Download Financials (Excel)

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios (Yearly)

Financial Ratios (Quarterly)

Earnings History

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 2.58x 0.35x 0.39x -18.51x -0.44x
2024-12-31 5.59x 0.22x 0.32x -31.21x -0.29x
2023-12-31 6.64x 0.13x 0.19x -20.66x -0.44x
2022-12-31 11.78x 0.11x 0.17x -37.00x -0.27x
2021-12-31 19.77x 0.08x 0.12x -32.27x -0.28x
2020-12-31 6.69x 0.26x 0.29x -18.21x -0.42x
2019-12-31 5.82x 0.31x 0.36x -104.45x -0.24x
2018-12-31 11.18x 0.00x 0.09x -270.44x 0.00x
2017-12-31 13.11x 0.03x 0.10x -198.21x -0.06x
2016-12-31 10.93x 0.06x 0.14x -177.20x -0.07x
2015-12-31 13.28x 0.05x 0.12x -106.75x -0.11x
2014-12-31 6.60x 0.20x 0.28x -29.78x -0.25x
2013-12-31 5.41x -2.52x 0.57x -23.07x 0.36x
2012-12-31 5.44x -0.11x 13.72x -3.26x -0.12x
2011-12-31 0.10x -0.94x 10.02x -7.53x -1.05x

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Aug 11, 2025 Stephen Machatha N/A Sale 22.07K $5.15 $113.68K
Apr 03, 2025 Perceptive Advisors Llc N/A Sale 3.40M $1.42 $4.83M

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