ALDX Aldeyra Therapeutics, Inc. - Common Stock

NASDAQ · Biotechnology · View on SEC EDGAR ↗
$1.53
Price · May 20, 2026
Fundamentals as of May 7, 2026

ALDX Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range

Price
$1.53
Market Cap
$312M
P/E (TTM)
-9.2
EPS (TTM)
$-0.56
Revenue (TTM)
Div Yield
ROE
-68.0%
Debt/Equity
0.3
52W Range
$1 – $6

ALDX Stock Price Chart Daily OHLCV with technical indicators — pan, zoom, and customize your view

10-Year Performance Revenue, net income, margins and EPS trends

Revenue & Net Income
EPS $-0.56
5-point trend, +47.7%
2021-12-31 2025-12-31
Free Cash Flow
6-point trend, -100.0%
2016-12-31 2023-12-31
Margins

Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?

Metric
5Y trend
ALDX
Peer Median
P/E (TTM)
5-point trend, -147.4%
-9.2
3.0
P/B
5-point trend, +103.4%
7.0
4.1
EV / EBITDA
5-point trend, -85.0%
-7.3

Profitability Gross, operating and net margins; ROE, ROA, ROIC

Metric
5Y trend
ALDX
Peer Median
ROA
5-point trend, +46.3%
-38.3%
-57.8%
ROE
5-point trend, +44.7%
-68.0%
-74.2%

Financial Health Debt, liquidity, solvency — balance sheet strength

Metric
5Y trend
ALDX
Peer Median
Debt / Equity
5-point trend, +14.0%
0.3
0.0
Current Ratio
5-point trend, -55.7%
2.6
6.9
Quick Ratio
5-point trend, -77.2%
2.5

Growth Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR

Metric
5Y trend
ALDX
Peer Median

Per Share Metrics EPS, book value per share, cash flow per share, dividend per share

Metric
5Y trend
ALDX
Peer Median
EPS (Diluted)
5-point trend, +47.7%
$-0.56

Capital Efficiency Asset turnover, inventory turnover, receivables turnover

Metric
5Y trend
ALDX
Peer Median

ALDX Analyst Consensus Bullish and bearish analyst opinions, 12-month price target, upside

BUY 12 analysts
  • Strong Buy 5 41.7%
  • Buy 5 41.7%
  • Hold 2 16.7%
  • Sell 0 0.0%
  • Strong Sell 0 0.0%

12-Month Price Target

5 analysts · 2026-05-14
Median target $9.00 +488.0%
Mean target $7.60 +396.5%

Earnings History EPS actual vs estimate, surprise %, beat rate, next earnings date

Avg Surprise
0.07%
Period EPS Actual EPS Est Surprise
March 31, 2026 $-0.06 $-0.10 0.04%
Dec. 31, 2025 $-0.10 $-0.17 0.07%
Sept. 30, 2025 $-0.13 $-0.25 0.12%
June 30, 2025 $-0.13 $-0.25 0.12%
March 31, 2025 $-0.17 $-0.23 0.06%
Dec. 31, 2024 $-0.27 $-0.25 -0.02%

Peer Comparison Key metrics vs sector peers

Ticker Market Cap P/E Rev YoY Net Margin ROE Gross Margin
ALDX $312M -9.2 -68.0%
INO $120M -1.0 -70.0% -130000.0% -322.8%
QTTB $43M 1.4 55.5% 200.3%
PEPG $448M -3.1 -82.0%
ICCC -51.2 4.3%
BMEA $90M -1.1 -67.1% -3326.0% -216.6%
XGN $139M -6.5 19.7% -30.0% -103.7% 58.3%
ANIX $136M -12.1 0.00% -62.2%
FBIO
ATRA $132M 7.0 -6.3% 27.1% -88.9%

Full Fundamentals All metrics by year — income statement, balance sheet, cash flow

Income Statement 14
Annual Income Statement data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
R&D Expense 12-point trend, +592.2% $26M $48M $29M $47M $45M $25M $44M $30M $16M $13M $8M $4M
SG&A Expense 12-point trend, +169.5% $10M $12M $13M $15M $11M $10M $12M $10M $6M $6M $4M $4M
Operating Income 12-point trend, -385.0% $-35M $-60M $-43M $-63M $-56M $-36M $-63M $-40M $-22M $-19M $-12M $-7M
Interest Expense 10-point trend, +748.3% · · $2M $2M $2M $2M $603.8K $146.8K $113.5K $105.5K $112.3K $244.2K
Interest Income 12-point trend, +110795066.7% $3M $6M $7M $2M $185.4K $292.2K $2M $952.7K $261.3K $102.0K $11.1K $3
Other Non-op 12-point trend, -31.9% $1M $4M $5M $655.4K $-2M $-2M $937.5K $805.9K $147.8K $-3.5K $-101.2K $2M
Pretax Income 4-point trend, -48.6% · · · · $-58M $-38M $-62M $-39M · · · ·
Income Tax 12-point trend, +0.00 $0 $1.0K $0 $0 $0 $-479.3K $-1M $0 $0 $0 $0 $0
Net Income 12-point trend, -552.5% $-34M $-56M $-38M $-62M $-58M $-38M $-61M $-39M $-22M $-19M $-12M $-5M
EPS (Basic) 7-point trend, +77.7% $-0.56 $-0.94 $-0.64 $-1.06 $-1.07 · · · · · $-1.40 $-2.51
EPS (Diluted) 7-point trend, +81.9% $-0.56 $-0.94 $-0.64 $-1.06 $-1.07 · · · · · $-1.40 $-3.09
Shares (Basic) 7-point trend, +1472.9% 60,056,557 59,484,794 58,943,205 58,405,897 54,042,103 · · · · · 8,633,897 3,818,157
Shares (Diluted) 7-point trend, +1459.7% 60,056,557 59,484,794 58,943,205 58,405,897 54,042,103 · · · · · 8,633,897 3,850,612
EBITDA 10-point trend, -385.0% $-35M · $-43M · $-56M $-36M $-63M $-40M $-22M $-19M $-12M $-7M
Balance Sheet 21
Annual Balance Sheet data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
Cash & Equivalents 11-point trend, +721.4% $70M $55M · $144M $230M $78M $44M $47M $20M $12M $15M $9M
Short-term Investments 6-point trend, +260.3% · $47M · $30M · · · $46M $23M $13M $13M ·
Prepaid Expense 12-point trend, +649.1% $2M $3M $5M $7M $3M $5M $2M $1M $1M $218.7K $497.6K $232.6K
Other Current Assets 4-point trend, -100.0% · $0 $0 $3M $28.8K · · · · · · ·
Current Assets 12-point trend, +719.5% $72M $104M $148M $181M $233M $83M $75M $95M $44M $25M $28M $9M
PP&E (Net) 11-point trend, -100.0% · $0 $5.8K $19.3K $32.5K $59.9K $148.4K $235.2K $43.3K $56.4K $80.3K $13.0K
Total Assets 12-point trend, +720.1% $72M $105M $148M $181M $233M $83M $76M $95M $44M $25M $28M $9M
Accounts Payable 12-point trend, -53.6% $158.5K $180.5K $1M $133.6K $1M $381.6K $808.3K $3M $1M $275.4K $851.2K $341.3K
Accrued Liabilities 12-point trend, +573.5% $6M $12M $6M $14M $11M $8M $12M $5M $2M $2M $1M $908.7K
Current Liabilities 12-point trend, +1994.7% $28M $19M $22M $15M $12M $12M $13M $8M $3M $2M $2M $1M
Capital Leases 7-point trend, +0.00 $0 $0 $271.6K $0 $125.2K $0 $0 · · · · ·
Total Liabilities 12-point trend, +1011.0% $28M $34M $29M $30M $27M $24M $27M $8M $5M $4M $3M $3M
Long-term Debt 12-point trend, +996.1% $15M $15M $15M $16M $16M $16M $16M $16M $1M $1M $1M $1M
Total Debt 9-point trend, +1117.0% $15M · $15M · $16M $11M $15M · $1M $1M $1M $1M
Common Stock 12-point trend, +981.1% $60.2K $59.6K $59.2K $58.6K $58.1K $38.7K $28.7K $26.2K $19.1K $12.6K $9.7K $5.6K
Paid-in Capital · · · · · · · · · · · $53M
Retained Earnings 12-point trend, -940.5% $-484M $-450M $-394M $-357M $-295M $-237M $-199M $-139M $-100M $-77M $-59M $-47M
AOCI 11-point trend, +100.0% $0 $37.4K $0 $-103.9K $0 $0 $5.9K $-9.2K $-17.8K $129 $-8.4K ·
Stockholders' Equity 12-point trend, +604.2% $44M $71M $120M $151M $206M $60M $48M $87M $40M $22M $25M $6M
Liabilities + Equity 12-point trend, +720.1% $72M $105M $148M $181M $233M $83M $76M $95M $44M $25M $28M $9M
Shares Outstanding 12-point trend, +981.0% 60,162,773 59,648,278 59,195,951 58,560,078 58,081,215 38,667,491 28,656,832 26,244,435 19,137,639 12,576,325 9,712,521 5,565,415
Cash Flow 12
Annual Cash Flow data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
Stock-based Comp 12-point trend, +199.0% $6M $8M $6M $8M $7M $7M $8M $4M $3M $3M $2M $2M
Operating Cash Flow 12-point trend, -598.2% $-33M $-43M $-30M $-57M $-43M $-37M $-45M $-30M $-19M $-15M $-9M $-5M
CapEx 9-point trend, -100.0% · · $0 $16.3K $7.8K · $9.5K $263.0K $24.8K $11.8K $86.1K $14.1K
Investing Cash Flow 9-point trend, +568.1% $48M $-45M $30M $-30M $-7.8K $29M $18M $-23M $-10M · · ·
Debt Issued · · · · · · $14M · · · · ·
Net Debt Issued · · · · · · $14M · · · · ·
Stock Issued 9-point trend, -100.0% · · · $0 $190M $41M $8M $82M $37M $13M $29M $10M
Net Stock Activity 7-point trend, +1787.7% · · · · $190M $41M $8M $82M $37M · $29M $10M
Financing Cash Flow 9-point trend, -97.0% $1M $-171.4K $-1M $1M $194M $42M $24M $81M $37M · · ·
Net Change in Cash 12-point trend, +194.7% $16M $-88M $-2M $-85M $152M $33M $-3M $27M $8M $-3M $6M $5M
Free Cash Flow 8-point trend, -533.1% · · $-30M · $-43M · $-45M $-30M $-19M $-15M $-9M $-5M
Levered FCF 2-point trend, +2.8% · · · · $-44M · $-46M · · · · ·
Profitability 3
Annual Profitability data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
ROA 10-point trend, +53.7% -38.3% · -22.8% · -36.5% -47.3% -71.3% -55.9% -64.4% -70.0% -65.4% -82.8%
ROE 10-point trend, -322.5% -68.0% · -30.9% · -27.2% -58.4% -122.9% -67.5% -73.0% -80.4% -77.6% 30.6%
ROIC 3-point trend, +74.2% · · · · -25.4% -50.7% -98.6% · · · · ·
Liquidity & Solvency 5
Annual Liquidity & Solvency data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
Current Ratio 10-point trend, -60.9% 2.6 · 6.6 · 19.8 6.7 5.8 11.2 13.1 10.9 13.3 6.6
Quick Ratio 9-point trend, -60.8% 2.5 · · · 19.5 6.3 3.4 11.0 12.8 10.8 13.0 6.4
Debt / Equity 9-point trend, +72.8% 0.3 · 0.1 · 0.1 0.2 0.3 · 0.0 0.1 0.1 0.2
LT Debt / Equity 9-point trend, -100.0% 0.0 · 0.0 · 0.1 0.2 0.3 · 0.0 0.1 0.0 0.2
Interest Coverage 9-point trend, +30.6% · · -20.7 · -32.3 -19.1 -104.5 -270.4 -198.2 -177.2 -106.8 -29.8
Per Share 4
Annual Per Share data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
Book Value / Share 9-point trend, -71.3% $0.74 · $2.02 · $3.54 $1.54 $1.68 $3.30 $2.07 $1.72 $2.56 ·
Cash Flow / Share 4-point trend, +55.2% $-0.56 · $-0.51 · · · · · · · $-1.08 $-1.24
Cash / Share 8-point trend, -22.8% $1.16 · · · $3.96 $2.01 $1.55 $1.80 $1.05 $0.96 $1.51 ·
EPS (TTM) 12-point trend, +81.9% $-0.56 $-0.94 $-0.64 $-1.06 $-1.07 $-1.45 $-1.45 $-1.45 $-1.45 $-1.45 $-1.40 $-3.09
Valuation (TTM) 11
Annual Valuation (TTM) data for ALDX
Metric Trend 202520242023202220212020201920182017201620152014
Net Income TTM 12-point trend, -552.5% $-34M $-56M $-38M $-62M $-58M $-38M $-61M $-39M $-22M $-19M $-12M $-5M
Market Cap 9-point trend, +373.3% $312M · $208M · $232M $265M $166M $218M $130M $67M $66M ·
Enterprise Value 7-point trend, +549.4% $257M · · · $18M $199M $137M · $89M $44M $40M ·
P/E 12-point trend, -295.9% -9.2 -5.3 -5.5 -6.6 -3.7 -4.7 -4.0 -5.7 -4.7 -3.7 -4.8 -2.3
P/B 9-point trend, +166.1% 7.0 · 1.7 · 1.1 4.5 3.5 2.5 3.3 3.1 2.6 ·
P / Tangible Book 6-point trend, +58.0% 7.0 4.2 1.7 2.7 1.1 4.5 · · · · · ·
P / Cash Flow 9-point trend, -32.2% -9.3 · -6.9 · -5.5 -7.1 -3.7 -7.3 -6.8 -4.4 -7.1 ·
P / FCF 7-point trend, +2.2% · · -6.9 · -5.5 · -3.7 -7.2 -6.8 -4.4 -7.0 ·
EV / EBITDA 7-point trend, -120.8% -7.3 · · · -0.3 -5.5 -2.2 · -3.9 -2.3 -3.3 ·
EV / FCF 5-point trend, +89.9% · · · · -0.4 · -3.0 · -4.6 -2.9 -4.2 ·
Earnings Yield 12-point trend, +74.7% -10.8% -18.8% -18.2% -15.2% -26.8% -21.1% -25.0% -17.5% -21.3% -27.1% -20.6% -42.8%

Financial Statements Income statement, balance sheet, cash flow — annual, last 5 years

Income Statement
2025-12-312024-12-312023-12-312022-12-312021-12-31
Net Income $-34M$-56M$-38M$-62M$-58M
Diluted EPS $-0.56$-0.94$-0.64$-1.06$-1.07
Balance Sheet
2025-12-312024-12-312023-12-312022-12-312021-12-31
Debt / Equity 0.30.10.1
Current Ratio 2.66.619.8
Quick Ratio 2.519.5
Cash Flow
2025-12-312024-12-312023-12-312022-12-312021-12-31
Free Cash Flow $-30M$-43M

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