35.37 USD
↘ 2.41 (6.38%)AT CLOSE (11:59 AM EDT)
Sionna Therapeutics, Inc. Common Stock
SIONNASDAQ • USD
35.98
↗ 0.61 (1.72%)
POST MARKET (AS OF 04:57 PM EDT)
Post Market
AS OF 04:57 PM EDT
35.98
↗ 0.61 (1.72%)
Market: CLOSED
Open?$37.55
High?$37.95
Low?$35.25
Prev. Close?$37.78
Volume?461.3K
Avg. Volume?393.5K
VWAP?$36.42
Rel. Volume?1.17x
Bid / Ask
Bid?$29.16 × 100
Ask?$42.04 × 100
Spread?$12.88
Midpoint?$35.60
Valuation & Ratios
Market Cap?1.6B
Shares Out?45.2M
Float?8.3M
Float %?18.5%
P/E Ratio?N/A
P/B Ratio?5.54
EPS?-$1.90
Dividend?0.00%
Ex-Dividend?N/A
Shares of Sionna Therapeutics, Inc. Common Stock (SION) are trading at $35.37. Technical and fundamental signals converge bearish — technicals rate "Strong Sell" while fundamentals read "Sell". Key drivers include a robust Altman Z-Score, a weak Piotroski F-Score of 0/9, negative Return on Equity and a bullish Golden Cross on the moving averages. SION is fairly valued relative to its sector peers based on current multiples.
Technical & fundamental data as of Jun 5, 2026.
News
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 benefits 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.
Address
21 HICKORY DRIVE, SUITE 500
WALTHAM, MA 02451
Phone: 617-819-2020
WALTHAM, MA 02451
Phone: 617-819-2020
Technical OutlookStrong Sell
Strong SellNeutralStrong Buy
Long-Term (Tide)?▼ Bearish(-2/3)
Medium-Term (Wave)?▼ Bearish(-3/3)
Short-Term (Ripple)?▼ Bearish(-3/3)
MA Alignment?Mixed
Full Technical Analysis →Fundamental OutlookSell
Strong SellNeutralStrong Buy
F-Score?3
Z-Score?100
Momentum?50
Short Sent.?5
Piotroski F-Score?0/9Weak
Altman Z-Score?55.39Safe
Confidence?41%Low
Short InterestSqueeze Risk
Short % of Float?57.30%Squeeze Risk
Short Interest?4.7M
Days to Cover?11.3
Free Float8.3M
Avg Daily Volume421.4K
Settlement Date2026-05-15
Financial Health
Current Ratio?22.60Strong
Quick Ratio?22.60Strong
Cash Ratio?6.48Strong
Debt/Equity?0.00Low
ValuationATTRACTIVELY VALUEDvs 1 peers + S&P 500
Score83/100
P/E?N/A▾
P/B?5.54FAIR▾
Peers100
S&P33
P/S?N/A▾
P/FCF?N/A▾
EV/EBITDA?-15.6CHEAP▾
S&P97
EV/Sales?N/A▾
Returns & Efficiency
ROE?-29.7%WEAK▾
S&P6
ROA?-28.1%WEAK▾
S&P3
Cash Flow & Enterprise
FCF?$-72140000
Enterprise Value?$1.5B
Fundamentals ratios updated end of day