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Sionna Therapeutics, Inc. (SION) stock score

Healthcare · Biotechnology · United States

$4.90 +0.00% today

9.2
Dad Score, out of 100
poor

Sionna Therapeutics, Inc. (SION) is a Biotechnology company in the Healthcare sector, listed in the United States. On DadFin's weekly run it scores 9.2 out of 100 on the Dad Score, a poor reading that places the business ahead of 9% of the 5,774 US and Canadian stocks DadFin fully scores. Inside Healthcare it ranks #889 of 974. Its strongest axis is risk; its weakest are valuation and price action.

Scores from the run of Oct 4, 2026. The Dad Score answers one question: how good is this business, measured against its own sector. How it is built →

The eight axes

Valuation
Weak
Quality
Average
Growth
Average
Price action
Below average
Risk
Above average
Conviction
Below average
Liquidity
Below average
Macro
Weak

Each axis is ranked inside the stock's own sector. Subscribers see the percentile and every input behind each bar.

Key numbers

P/E (trailing)0.0×
P/E (forward)-2.2×
Dividend yield0.00%
Return on capital-24.0%
Operating margin0.0%
Revenue growth (YoY)+0.0%
FCF yield-40.8%
Net debt / EBITDA3.00×
Piotroski F-Score4 / 9
52-week change-83.2%
Market cap$222M
Next earningsNov 5, 2026

What subscribers see on SION

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Biotechnology peers

StockCompanyDad ScoreBandMarket cap
VRTXVertex Pharmaceuticals Incorporate51.2middling$127.8B
MRNAModerna, Inc.23.4weak$75.9B
REGNRegeneron Pharmaceuticals, Inc.91.1strong$75.7B
ARGXargenx SE55.1middling$57.5B
RVMDRevolution Medicines, Inc.40.6middling$44.3B
ONCBeOne Medicines AG94.5strong$40.7B
RPRXRoyalty Pharma plc70.8good$33.0B
ALNYAlnylam Pharmaceuticals, Inc.83.8good$29.4B

Prices from DadFin's live feed (refreshed about every 15 minutes in the session); scores from the weekly run of Oct 4, 2026. Fundamentals as reported in the latest filings. Research, not investment advice.