NASDAQ: SIONSionna Therapeutics Inc Stock
$39.59+0.38 (+0.97%)
Updated Apr 28, 2026
SION Price
$39.59
Fair Value Price
$1.25
Market Cap
$1.78B
52 Week Low
$10.97
52 Week High
$46.46
P/E
-21.06x
P/B
5.81x
P/S
N/A
PEG
N/A
Dividend Yield
N/A
Revenue
$0.00
Earnings
-$75.27M
Gross Margin
N/A
Operating Margin
N/A
Profit Margin
N/A
Debt to Equity
0.06
Operating Cash Flow
-$66M
Beta
0.91
Next Earnings
N/A
Ex-Dividend
N/A
Next Dividend
N/A
SION Overview
Sionna Therapeutics, Inc. is a biopharmaceutical company. The Company provides treatment paradigm for cystic fibrosis patients by developing medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator.
Zen Rating
Our proven quant model uses 115 proprietary factors, including AI, to determine SION's potential to beat the market
CHold
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Zen Rating Component Grades
D
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SION News
Overview
Due Diligence Score
–
Industry Average (25)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how SION scored across 33 valuation, financial, forecast, performance, and dividend due diligence checks.
Due Diligence Checks
SION ($39.59) is overvalued by 3,078.57% relative to our estimate of its Fair Value price of $1.25 based on Discounted Cash Flow (DCF) modelling
Below Fair Value Valuation
SION ($39.59) is not significantly undervalued (3,078.57%) relative to our estimate of its Fair Value price of $1.25 based on Discounted Cash Flow (DCF) modelling, when including a healthy margin of safety
Significantly Below Fair Value Valuation
SION is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation
There are 30 more SION due diligence checks available for Premium users.
Valuation
SION fair value
Fair Value of SION stock based on Discounted Cash Flow (DCF)
Price
$39.59
Fair Value
$1.25
Overvalued by
3,078.57%
SION ($39.59) is overvalued by... subscribe to Premium to read more.
Below Fair Value Valuation
SION ($39.59) is not significantly... subscribe to Premium to read more.
Significantly Below Fair Value Valuation
SION is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation
SION price to earnings (PE)
For valuing profitable companies with steady earnings
Company
-21.06x
Industry
21.42x
Market
31.26x
SION price to book (PB)
For valuing companies that are loss-making or have lots of physical asset
Company
5.81x
Industry
4.88x
SION is poor value based... subscribe to Premium to read more.
P/B vs Industry Valuation
SION's financial health
Profit margin
Revenue
$0.0
Net Income
-$20.4M
Profit Margin
0%
SION's cash burn is expected... subscribe to Premium to read more.
Interest Coverage Financials
Assets to liabilities
Assets
$326.0M
Liabilities
$19.1M
Debt to equity
0.06
SION's short-term assets ($241.42M) exceed... subscribe to Premium to read more.
Short-term Liabilities Financials
SION's short-term assets ($241.42M) exceed... subscribe to Premium to read more.
Long-term Liabilities Financials
SION's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials
Cash flow
Operating
-$16.6M
Investing
$22.6M
Financing
$1.7M
SION's cash and short-term investments... subscribe to Premium to read more.
Debt Coverage Financials
SION vs Biotech Stocks
Sionna Therapeutics Stock FAQ
Company
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.