Sionna Therapeutics, Inc. (SION)
About Sionna Therapeutics, Inc.
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.
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Financial summary
- Net income
- -$75.3M
- Total assets
- $326.0M
- Market cap
- $1.6B
Source: SEC EDGAR · updated Jun 7, 2026
Financial statements
Income statement
- Revenue
- $0
- Operating expenses
- $89.0M
- Operating income
- -$89.0M
- Income tax
- $0
- Net income
- -$75.3M
- EPS (basic)
- $-1.88
- EPS (diluted)
- $-1.88
Balance sheet
- Total assets
- $326.0M
- Current assets
- $241.4M
- Total liabilities
- $19.1M
- Current liabilities
- $11.7M
- Shareholders’ equity
- $306.8M
Cash flow
- Operating cash flow
- -$66.3M
- Investing cash flow
- -$118.7M
- Financing cash flow
- $205.7M
- Net cash flow
- $20.7M
Statements via Polygon.io (SEC filings)
15-minute delayed · data by Polygon.io
Past year · hover for prices
52-week range
- Market cap
- $1.6B
- EPS (diluted)
- $-1.88
- Shares outstanding
- 34.9M
- Open
- —
- Day range
- –
- Prev close
- —
- Volume
- —
- IPO date
- Feb 7, 2025
Sionna Therapeutics, Inc. (SION) Stock Price
- Reported a net loss of $75.3M.
- Trading 8% below its 52-week high.
Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.
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Sionna Therapeutics, Inc.: frequently asked questions
Is Sionna Therapeutics, Inc. an American company?
Sionna Therapeutics, Inc. is a US-based company headquartered in Waltham, Massachusetts, listed in the americancompanies.com directory of American companies. Its American-origin credentials have not yet been independently verified.
Where is Sionna Therapeutics, Inc. headquartered?
Sionna Therapeutics, Inc. is headquartered in Waltham, Massachusetts, United States.
Is Sionna Therapeutics, Inc. publicly traded?
Yes — Sionna Therapeutics, Inc. is a publicly traded company. Its stock trades under the ticker symbol SION on the NASDAQ.
What does Sionna Therapeutics, Inc. do?
Sionna Therapeutics, Inc. is an American Pharmaceuticals company in the Health & Beauty sector.
