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Sionna Therapeutics, Inc.
SION
NASDAQ·Healthcare·Biotechnology·Mkt cap $1.9B
$43.42
▲ +4.27%
View full research view
Our plain-language verdict, the thesis, risk factors, and what is changing about the business.
View research view52-Week Range
$16.38 - $48.45
P/E
Fwd P/E
Beta
Div Yield
Avg Vol
Shares Out
Mkt Cap
Price action
Price chart
Up 99.5% over the trailing year
Total returns
Price performance
Total return across standard periods - splits & dividends adjusted by FMP. Periods longer than 1Y show annualized in the tooltip.
Why we rate it this way
The thesis at a glance
Bull and bear case · plain-English context across the five lenses we evaluate.
Bull Case
3 reasons
- Specialized focus on CFTR function normalization with differentiated mechanisms
- Access to proprietary research and development capabilities in rare genetic diseases
- Potential to address patient populations with limited or no current treatment options
Bear Case
1 risk
- Average volatility.
Growth
Revenue decline expected
Expansion of cystic fibrosis treatment options and market penetration
Value
Deep value opportunity - significant discount to Biotech & Therapeutics peers
Momentum
Stable
+2.8% over 3m
Quality
Loss-making
Mixed fundamentals
Dividend
None
No dividend
Smart-money signal
Who's buying SION right now
Insider Form 4s, 13F institutional filings, and Congressional disclosures - at a glance.
Earnings track record
Recent earnings results
AI-summarized recap of last quarter, plus the surprise on every print.
Next: May 11, 2026
MAY 12, 2026
Reported EPS of -$0.60 vs -$0.52 consensus (-15.4% surprise).
EPS surprise · last 4Q
0 of 1 beats
Q2 26
-15.4%
Next: May 11, 2026
Revenue trend · last 8Q
—
—
—
—
—
—
—
—
Q2 24
Q3 24
Q4 24
Q1 25
Q2 25
Q3 25
Q4 25
Q1 26
$0
$0
$0
$0
$0
$0
$0
$0
Margins · last 8Q
No margin history available.
Wall Street consensus
6 analysts · 83% Buy
Live ratings and price targets aggregated across covering analysts.
Buy
83%
Hold
17%
Sell
0%
Median Price Target
$55.00
▲ +26.7% vs $43.42
Latest: Citizens · May 26, 2026
1 analyst covering