Aldeyra Therapeutics, Inc.

ALDX Healthcare Biotechnology

In the quarter to June 2026, EPS grew 43.8%, free cash flow grew 46.1% and total debt rose 1.33%, each against the same quarter a year earlier. Insiders bought in the last twelve months.

0.70 0.04 −5.41%
Market cap
$44.5M
P/E
0.0×
Fwd P/E
—
Dividend yield
—
F-score
n/a
Altman Z
n/a
Beneish M
n/a
Dividend safety
n/a

Insider Decisions trades per month

Total buys 0.52
Totals in millions of $.
Dec 25 Mar 26 Jun 26 Sep 26
Buy — — — — 2 — — 1 — — — —
Sell — — — — — — — — — — — —
Insider Ownership 3.68%

Capital & Financial Ratios $m

Market Cap 44.48
Revenue —
Net Income (23.05)
Free Cash Flow (22.04)
Net Debt (45.09)
Current Ratio 4.91 (at or above 1.5: strong)
Debt/Equity 0.00 (at or below 0.5: strong)
P/E ratio 0.00
Fwd P/E —
P/S ratio 0.00
P/B ratio 1.11
Past 5Y EPS Growth —
This Y EPS Growth 39.29% (at or above 15%: strong)
Next Y EPS Growth 18.24% (at or above 15%: strong)
Next Y revenue growth —
Next 5Y EPS Growth 36.26% (at or above 15%: strong)

Green and red mark values outside typical ranges. How we judge →

Valuation vs history

P/B against its own 10 years 4.42%
10-year low 10-year high

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2025 Powerpack
2024 Powerpack
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
2019 Powerpack
2017 Powerpack
predictions special payouts not included in total or ratios

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 143 101 70 45
Receivables — — — —
Inventory — — — —
Other — — — —
148 104 72 47
2023 2024 2025 Q'26
Payables 1 0 0 0
ST’ Debt 15 0 15 —
Other — — — —
22 19 28 10

Compound Annual Growth %

10y 5y 3y
Sales — — —
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 5.93% (5.75%) (33.58%)

Revenue $m

Year
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (5) — — —
’25 (12) (9) (7) (5) (33)
’24 (10) (13) (8) (12) (43)
’23 (9) (13) (8) 1 (30)
’22 (13) (20) (13) (11) (57)
’21 (13) (9) (8) (12) (43)
’20 (15) (8) (6) (8) (37)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (5) — — —
’25 (12) (9) (7) (5) (33)
’24 (10) (13) (8) (12) (43)
’23 (9) (13) (8) 1 (30)
’22 (13) (20) (13) (11) (57)
’21 (13) (9) (8) (12) (43)
’20 (15) (8) (6) (8) (37)
Fiscal quarters ending in the months shown.

EPS $

Mar Jun Sep Dec Year
’26 (0.06) (0.09) — — —
’25 (0.17) (0.16) (0.13) (0.11) (0.56)
’24 (0.14) (0.28) (0.25) (0.27) (0.94)
’23 (0.27) (0.15) (0.14) (0.08) (0.64)
’22 (0.29) (0.30) (0.25) (0.22) (1.06)
’21 (0.25) (0.28) (0.27) (0.27) (1.07)
’20 (0.34) (0.25) (0.23) (0.35) (1.11)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1.4
1Buy 2 3Hold 4 5Sell

Ten years at a glance

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low 3.39 3.80 6.25 4.31 1.48 3.37 2.36 1.42 2.71 1.14

Analyst estimates 2026–2028

Powerpack
High 8.19 11.90 16.70 12.79 8.70 15.95 7.99 11.97 6.55 7.20
People
People Employees 11 12 19 20 11 12 15 10 9 8
Revenue/emp, $m 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Income, $m
Income, $m Revenue — — — — — — — — — —
Gross margin, % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — — —
EBT (19) (22) (39) (62) (38) (58) (62) (38) (56) (34)
EBT margin, % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Net income (19) (22) (39) (61) (38) (58) (62) (38) (56) (34)
Depreciation 0 0 0 0 1 0 0 0 (1) (1)
Per share, $
Per share, $ Revenue 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Earnings (1.65) (1.40) (1.79) (2.24) (1.11) (1.07) (1.06) (0.64) (0.94) (0.56)
Cash flow (1.33) (1.21) (1.38) (1.66) (1.10) (0.79) (0.97) (0.51) (0.73) (0.56)
Capex 0.00 0.00 (0.01) 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Free cash flow (1.34) (1.21) (1.39) (1.66) (1.10) (0.79) (0.97) (0.51) (0.73) (0.56)
Book value 1.91 2.49 3.99 1.77 1.75 3.81 2.59 2.03 1.19 0.74
Shares, m 11 16 22 27 34 54 58 59 59 60
Valuation, ×
Valuation, × P/E — — — — — — — — — —
P/S — — — — — — — — — —
P/B — — — — — — — — — —
EV/Sales — — — — — — — — — —
EV/FCF — — — — — — — — — —
Cash, $m
Cash, $m Operating cash flow (15) (19) (30) (45) (37) (43) (57) (30) (43) (33)
Capex 0 0 0 0 — 0 0 — — —
Free cash flow (15) (19) (30) (45) (37) (43) (57) (30) (43) (33)
Balance, $m
Balance, $m Working capital 23 41 86 62 71 221 166 126 85 44
Total debt 1 1 — 15 15 16 16 15 15 15
Net debt (24) (42) (94) (59) (63) (214) (158) (128) (86) (55)
Shareholders’ equity 22 40 87 48 60 206 151 120 71 44
Returns, %
Returns, % ROA (70.05) (64.42) (55.85) (71.31) (47.28) (36.51) (29.93) (22.78) (44.16) (38.32)
ROIC 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
ROE (80.38) (72.95) (61.63) (90.31) (69.81) (43.56) (34.77) (27.73) (58.54) (58.73)
Negative figures in brackets.

All 10 years →

Charts ten years each

Aldeyra Therapeutics, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
CLNN Clene Inc. $47.0M — (loss-making) — (loss-making) +233.33% (above 0%: growing) n/m +45.43% (above 0%: growing) 60.00% (5,941.11%) Compare
TVGN Tevogen Inc. $46.1M — (loss-making) — — n/m +5.78% (above 0%: growing) — 0.00% Compare
INMB INmune Bio, Inc. $45.8M — (loss-making) — (loss-making) +8.70% (above 0%: growing) n/m +55.39% (above 0%: growing) 100.00% 0.00% Compare
IMA ImageneBio, Inc. $45.7M — (loss-making) — (loss-making) −60.08% (below 0%: shrinking) n/m +23.76% (above 0%: growing) 100.00% 0.00% Compare
SER Serina Therapeutics, Inc. $45.5M — (loss-making) — (loss-making) +2,500.00% (above 0%: growing) n/m −76.82% (below 0%: shrinking) 100.00% 0.00% Compare
ANVS Annovis Bio, Inc. $44.8M — (loss-making) — — n/m −329.18% (below 0%: shrinking) — 0.00% Compare
ALDX Aldeyra Therapeutics, Inc. $44.5M — (loss-making) — — n/m +46.09% (above 0%: growing) 0.00% 0.00%
CELU Celularity, Inc. $43.2M — (loss-making) — (loss-making) −66.34% (below 0%: shrinking) n/m +148.35% (above 0%: growing) 62.25% (263.47%) Compare
DWTX Dogwood Therapeutics, Inc $42.5M — (loss-making) — — n/m +10.31% (above 0%: growing) — 0.00% Compare
Median of peers $45.6M — — +8.70% — +17.04% 100.00% 0.00%

All 614 Biotechnology stocks →

Aldeyra Therapeutics, Inc. (ALDX) key facts

  • Concern: Aldeyra Therapeutics, Inc. reported a net loss of $33.8 million, or a loss of $0.56 per share, for fiscal 2025.
  • Aldeyra Therapeutics, Inc. (ALDX) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, ALDX traded at $0.70, a market capitalization of $44.5 million.
  • Return on equity was −58.7% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

Aldeyra Therapeutics, Inc. (ALDX) Latest News

29 Oct

27 Oct

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