Skip to main content
ALDX logo

ALDX

Aldeyra Therapeutics, Inc.
$2.27 -0.16 (-6.58%) At close · Jul 2
Market Cap
$136.93M
Shares
60,321,068

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$2.27 Open$2.41 Day$2.25–2.53 52W$1.07–6.18 Avg vol 30d1.5M Short int6.9M · 11.4% float · 6.3d Short vol25% Last earningsMay 4, 2023 DataJan 2020–Jul 2026 Filing10-Q · May 7
Equibles Rating blended score · not investment advice
Overall
Buy
Technical · trend & momentum Buy
50 / 200-day cross no cross
Price vs 200-day avg −40% below
+ Price vs 50-day avg +30% above
RSI (14) 64 · neutral
+ MACD trend positive
52-week position 24% · mid-range
Sentiment · smart money Bullish
Trend (MA cross) 50d $2 › 200d $4 — 200d above 50d
Institutional flow -9% holders QoQ · +21 funds added
+ Insider flow Net +$418.5K over 90 days · 0% sells
+ Short interest 11.38% of float · ▼ -13.6% MoM · 6.3 days cover
Volume signal Volume near normal
Institution breadth 125 holders — mid 3-yr range
Fundamentals Strong
+ EPS growth +40% Y/Y
Free cash flow $-33.3M
+ Balance sheet net cash $54.7M

Blended from price, positioning & fundamentals · daily-close · not investment advice.

Up next
FQ3-26 quarter ends
~Sep 30, 2026 Est
filed May 7, 2026

Technicals

trend & momentum for long-term holders Buy
1 · 3 · 2
50 / 200-day cross
no cross Neutral
Price vs 200-day avg
−40% below Bearish
Price vs 50-day avg
+30% above Bullish
RSI (14)
64 · neutral Neutral
MACD trend
positive Bullish
52-week position
24% · mid-range Neutral
Market signals — smart money & positioning
Bullish · 2 of 6
Trend (MA cross) No cross
50d $2 › 200d $4 — 200d above 50d
Institutional flow Distributing
-9% holders QoQ · +21 funds added
Insider flow Accumulating
Net +$418.5K over 90 days · 0% sells
Short interest Falling
11.38% of float · ▼ -13.6% MoM · 6.3 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
125 holders — mid 3-yr range
Price context
position in its 52-week range
52-wk low $1 Now $2 · 24% 52-wk high $6
vs 200-day avg -40% vs 50-day avg +30%

Illustrative technical + ownership context — a signal mix, not investment advice.

Versus peers

Biotechnology — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
ALDX
Aldeyra Therapeutics, Inc.
this stock
$136.93M -56.2% 11.4%
AKTX
Akari Therapeutics Plc
$953.21B -9.9% 0.0%
ONC
BeOne Medicines Ltd.
$470.30B -2.0% +22179.2% 957.1 0.1%
VRTX
Vertex Pharmaceuticals Inc / Ma
$134.02B +16.5% +46.2% 31.3 1.8%
REGN
Regeneron Pharmaceuticals, Inc.
$69.80B -15.1% +20.8% 16.3 3.2%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Reducing
Holders
125
% held
62.1%
Net QoQ
-2.3M sh
Top holder
Knoll Capital Management,…
Held Float
View
Held by Funds
Fund positions
111
View
Short & Settlement
Short Interest Falling
Shares short
6.9M
Days to cover
6.3d
Change
-1.1M sh
View
Short Volume
Short vol %
25%
As of
Jul 6, 2026
Short Total
View
Fails to Deliver
FTD shares
2.5K
Value
$4.2K
As of
Jun 12, 2026
View
Off-Exchange
Off-exchange %
50.8%
Week of
May 4, 2026
Off-exch Lit
View
Smart Money
Insider Trades Net buying
Net (90d)
+$418.5K
Buyers / Sellers
1 / 0
Buyers Sellers
View
Financials
Financials
Net income (FY)
$-33.8M
EPS diluted
$-0.56
View
Filings
SEC Filings
Latest
Investor Event Transcript
Filed
Jun 30, 2026
This year
9
View
Proposed Sales
Value
$116.1K
Shares
22.1K
Filed
Aug 12, 2025
View
Earnings & Events
Earnings Calls
Last call
Jun 4, 2026
View

Performance

5D 20D 120D MTD YTD
ALDX +26.1% +22.0% -45.7% +6.6% -56.2%
SPY +1.4% -1.3% +8.0% -0.3% +9.2%
vs SPY +24.7% +23.3% -53.7% +6.8% -65.4%
Key facts CIK 1341235 CUSIP 01438T106 13F (30d) 1 filings 1 filers Visit website Investor relations