SION · Sionna Therapeutics, Inc.
$44.78
-1.78 (-3.81%)
At close · Jul 29
Market Cap
$2.10B
Shares
45.15M
Price & Indicators
20d MA
50d MA
200d MA
Earnings
Filing
Insider
Congress
Investor day
Close$46.55
Open$45.41
Day$44.11–46.69
52W$16.38–51.29
Avg vol 30d537K
Short int5.3M · 11.6% float · 11.5d
Short vol68%
Last earningsMay 12, 2026
DataFeb 2025–Jul 2026
Filing10-Q · May 12
Up next
Next earnings call
Jul 30, 2026
Est · unconfirmed
· this week
FQ3-26 quarter ends
~Sep 30, 2026
Est
filed May 12, 2026
Equibles Rating
blended score · not investment adviceOverall
Neutral
SellHoldBuy
Technical
Buy
Momentum
Strong
Sentiment
Bullish
Fundamentals
Strong
Quant / Vol
Very High
Market backdrop
VIX 18.2 · elevated
Equity put/call 0.71
Technical
price trend
50 / 200-day cross
No cross
Price vs 200-day avg
+18%
above
Price vs 50-day avg
+13%
above
RSI (14)
57
neutral
MACD trend
Negative
52-week position
86%
near high
Volume (OBV)
Confirms
volume backs price
Momentum
relative strength
1-month return
+10%
trailing
6-month return
+5%
trailing
YTD return
+13%
this year
Relative strength
−3%
vs S&P · 6-mo
Sentiment
smart money
Trend (MA cross)
No cross
50d $41 › 200d $40 — 50d above 200d
Institutional flow
Accumulating
14 of 121 funds reported for Jun 30 · net +198 sh shares · +3 new
Insider flow
Distributing
Net -$26.7M over 90 days · 100% sells
Short interest
Falling
11.64% of float · ▼ -4.8% MoM · 11.5 days cover
Volume signal
Normal
Volume near normal
Institution breadth
Multi-yr high
121 holders — near 1-yr high, broad support
Squeeze score
77
high risk · 0–100
Fundamentals
EPS growth
+88%
Y/Y
Free cash flow
$-66.7M
Balance sheet
$58.5M
net cash
Quant / Vol
risk profile
Volatility
78%
annualized · 1-yr
Max drawdown
−27%
past year
ATR
7.1%
of price · 14-day
Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.
Technicals
trend & momentum for long-term holders Buy
50 / 200-day cross
No cross
Neutral
Price vs 200-day avg
+18%
Bullish
Price vs 50-day avg
+13%
Bullish
RSI (14)
57
Neutral
MACD trend
Negative
Bearish
52-week position
86%
Bullish
Volume (OBV)
Confirms
Neutral
Market signals — smart money & positioning
Bullish · 3 of 6
Trend (MA cross)
No cross
50d $41 › 200d $40 — 50d above 200d
Institutional flow
Accumulating
14 of 121 funds reported for Jun 30 · net +198 sh shares · +3 new
Insider flow
Distributing
Net -$26.7M over 90 days · 100% sells
Short interest
Falling
11.64% of float · ▼ -4.8% MoM · 11.5 days cover
Volume signal
Normal
Volume near normal
Institution breadth
Multi-yr high
121 holders — near 1-yr high, broad support
Price context
position in its 52-week range
52-wk low $16
Now $47 · 86%
52-wk high $51
vs 200-day avg +18%
vs 50-day avg +13%
Illustrative technical + ownership context — a signal mix, not investment advice.
Versus peers
Biotechnology — same industry group| Company | Mkt cap | YTD | Rev growth Y/Y | P/E | Short % shares |
|---|---|---|---|---|---|
|
SION
this stock
Sionna Therapeutics, Inc.
|
$2.10B | +13.2% | — | — | 11.6% |
|
ONC
BeOne Medicines Ltd.
|
$472.90B | +8.8% | +22179.2% | 962.4 | 0.1% |
|
VRTX
Vertex Pharmaceuticals Inc / Ma
|
$124.46B | +8.2% | +46.2% | 29.1 | 2.0% |
|
REGN
Regeneron Pharmaceuticals, Inc.
|
$72.88B | -9.8% | +20.8% | 17.0 | 3.3% |
|
ARGX
Argenx SE
|
$54.57B | +3.7% | — | — | 2.5% |
Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding
At a glance
key data from every sectionOwnership
Short & Settlement
Smart Money
Financials
Filings
Earnings & Events
Performance
| 5D | 20D | 120D | MTD | YTD | |
|---|---|---|---|---|---|
| SION | -1.4% | +9.7% | +4.7% | +5.8% | +13.2% |
| SPY | -1.0% | 0.0% | +7.4% | -0.8% | +8.6% |
| vs SPY | -0.4% | +9.7% | -2.8% | +6.6% | +4.5% |
Key facts
CIK
2036042
CUSIP
829401108
13F (30d)
13 filings
13 filers
Visit website
Investor relations