ChartMill · Aug 13, 2026
These stocks have an unusual volume in today's session
In today's session, there are stocks attracting attention with their unusual volume. Let's take a closer look.
SI
NASDAQ · SION
Sionna Therapeutics, Inc.
Healthcare · Biotechnology
$6.06
Down-$0.11 (-1.78%)
Updated Aug 28, 2026, 9:03 AM
SID Score
2.7/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 1.86B
- P/E ratio
- -31.26
- Dividend yield
- 0.00%
- 52-week range
- $4.01 – $54.97
- Volume
- 775.76K
- Avg. volume
- 293.9K
Price performance
SION price history
1M range · 0 trading sessions · Daily adjusted prices
SION does not have enough price history for the selected period.
Data unavailable
Market data is busy. Please try again shortly.
Latest SION news
The latest Smart Investors Daily articles mentioning SION.
Stock researchCompany · Overview
SION research
Overview
Company profile and research snapshot.
Company profile
Sionna Therapeutics Inc is a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) patients by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein to deliver clinically meaningful benefit to CF patients. CF is a progressive and life-threatening genetic disease caused by inherited mutations in the CFTR gene, which heads to insufficient CFTR function. The Company is managed as one operating segment focused on the research and development of cystic fibrosis therapies.
Visit company websiteAnalyst outlook
Consensus and target data currently published for this company.
- Consensus
- —
- Average target
- $34.50
- Implied upside
- —
- Analysts
- —
| Date | Firm | Rating | Target |
|---|---|---|---|
| Aug 11, 2026 | Guggenheim | Neutral | — |
| Aug 11, 2026 | Wedbush | Neutral | — |
| Aug 10, 2026 | BTIG | Neutral | — |
| Aug 7, 2026 | Guggenheim | Buy | — |
| May 26, 2026 | Citizens | Market Outperform | — |
News briefing
No generated briefing is available yet.
Benzinga · Aug 12, 2026
12 Health Care Stocks Moving In Wednesday's Intraday Session
Gainers BioVie (NASDAQ:BIVI) shares increased by 39.4% to $1.77 during Wednesday's regular session. The market value of their outstanding shares is at $9.5 million. Sionna Therapeutics (NASDAQ:SION) shares rose
SeekingAlpha · Aug 12, 2026
Sionna's SION-719 Failure Changes Everything (Rating Downgrade)
Sionna Therapeutics (SION) downgraded to Hold after SION-719 Phase 2a failure; cash-rich but pipeline risk rises.
Benzinga · Aug 11, 2026
Guggenheim Downgrades Sionna Therapeutics to Neutral
Guggenheim analyst Yatin Suneja downgrades Sionna Therapeutics (NASDAQ:SION) from Buy to Neutral.
AI research layers
Interpretive context generated from the platform’s current data sources.
No results
AI research layers have not been published yet.
