tiprankstipranks
Sionna Therapeutics, Inc. (SION)
NASDAQ:SION
US Market
Want to see SION full AI Analyst Report?

Sionna Therapeutics, Inc. (SION) AI Stock Analysis

25 Followers

Top Page

SION

Sionna Therapeutics, Inc.

(NASDAQ:SION)

Select Model
Select Model
Select Model
Neutral 55 (OpenAI - 5.2)
Rating:55Neutral
Price Target:
$40.00
▼(-8.13% Downside)
Action:ReiteratedDate:04/16/26
The score is held back mainly by weak financial performance (no revenue, widening losses, and increasing cash burn), partially mitigated by a much stronger 2025 balance sheet and low leverage. Technicals are a meaningful positive, with the stock above key moving averages and positive momentum indicators, while valuation remains pressured due to losses and a negative P/E.
Positive Factors
Low leverage & strengthened balance sheet
A very low debt load and a materially strengthened equity base provide durable financial flexibility for a pre-revenue biotech. This reduces bankruptcy risk, supports continued R&D investment, and lengthens runway without immediate revenue, improving the company’s ability to fund development milestones over months.
Negative Factors
Pre‑revenue with widening operating losses
No product revenues plus materially deepening operating losses mean the company remains entirely dependent on future clinical success and external financing. Over the medium term this elevates execution risk: failed trials or delays could sharply impair prospects and necessitate dilutive capital raises.
Read all positive and negative factors
Positive Factors
Negative Factors
Low leverage & strengthened balance sheet
A very low debt load and a materially strengthened equity base provide durable financial flexibility for a pre-revenue biotech. This reduces bankruptcy risk, supports continued R&D investment, and lengthens runway without immediate revenue, improving the company’s ability to fund development milestones over months.
Read all positive factors

Sionna Therapeutics, Inc. (SION) vs. SPDR S&P 500 ETF (SPY)

Sionna Therapeutics, Inc. Business Overview & Revenue Model

Company Description
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....
How the Company Makes Money
null...

Sionna Therapeutics, Inc. Financial Statement Overview

Summary
Pre-revenue with widening operating losses and heavy cash burn (2025 operating cash flow -$66.30M; EBIT down to -$88.98M) are major headwinds. Offsetting this, leverage is low (debt-to-equity ~0.03) and 2025 equity turned strongly positive ($306.8M), improving financial resilience despite negative returns.
Income Statement
12
Very Negative
Balance Sheet
56
Neutral
Cash Flow
24
Negative
BreakdownDec 2025Dec 2024Dec 2023Dec 2022
Income Statement
Total Revenue0.000.000.000.00
Gross Profit-647.00K-668.00K0.000.00
EBITDA-88.33M-69.89M-49.75M-41.25M
Net Income-75.27M-61.69M-47.26M-40.24M
Balance Sheet
Total Assets325.95M185.75M51.95M87.37M
Cash, Cash Equivalents and Short-Term Investments235.88M147.54M38.52M82.61M
Total Debt8.68M9.75M10.48M0.00
Total Liabilities19.12M349.46M166.83M157.29M
Stockholders Equity306.83M-163.71M-114.88M-69.92M
Cash Flow
Free Cash Flow-66.67M-52.81M-44.81M-37.94M
Operating Cash Flow-66.30M-52.79M-43.70M-36.07M
Investing Cash Flow-118.75M-126.91M27.35M-29.26M
Financing Cash Flow205.71M178.97M31.00K110.86M

Sionna Therapeutics, Inc. Risk Analysis

Sionna Therapeutics, Inc. disclosed 76 risk factors in its most recent earnings report. Sionna Therapeutics, Inc. reported the most risks in the "Tech & Innovation" category.
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
Latest Risks Added 0 New Risks

Sionna Therapeutics, Inc. Peers Comparison

Overall Rating
UnderperformOutperform
Sector (51)
Financial Indicators
Name
Overall Rating
Market Cap
P/E Ratio
ROE
Dividend Yield
Revenue Growth
EPS Growth
63
Neutral
$1.63B-1.91-49.31%-7.61%17.32%
58
Neutral
$2.02B-273.00-2.05%404.50%94.17%
55
Neutral
$1.68B-20.11-22.87%-21.34%
55
Neutral
$3.15B-10.13-50.30%48.29%28.08%
55
Neutral
$1.72B-7.89-57.52%-100.00%64.98%
51
Neutral
$7.86B-0.30-43.30%2.27%22.53%-2.21%
51
Neutral
$1.50B-5.79-39.69%-67.98%-2353.85%
* Healthcare Sector Average
Performance Comparison
Ticker
Company Name
Price
Change
% Change
SION
Sionna Therapeutics, Inc.
37.43
25.40
211.14%
STOK
Stoke Therapeutics
32.42
22.66
232.17%
VIR
Vir Biotechnology
10.08
3.96
64.71%
IMTX
Immatics
11.20
6.20
124.00%
TNGX
Tango Therapeutics
22.06
20.65
1464.54%
AMLX
Amylyx Pharmaceuticals Inc
15.60
10.49
205.28%
Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.Date of analysis: Apr 16, 2026