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Stock Screener·US·Healthcare·SION
Held by 2 Gurus
Share

Sionna Therapeutics, Inc. Stocks

$ 4.85Last Updated 05.10.2026

Issuer Rating

3/7
Performance

Favourable

Risk

High

Recommendation

Sell

Market Cap

$ 221.69M

$ 4.85
Key Takeaways

Risk factor

Very high price volatility

Data is available to registered users only
Data is available to registered users only

Profitability factor

Greatly undervalued vs peers

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Data is available to registered users only
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In Guru Portfolios

Kenneth Griffin

Portfolio Weight (%)

0.0%

Change

-0.00%

Fund

CITADEL ADVISORS LLC

Steven Cohen

Portfolio Weight (%)

0.0%

Change

-0.01%

Fund

Point72 Asset Management, L.P.

Manager
Fund
Portfolio Weight (%)
Change
Kenneth GriffinCITADEL ADVISORS LLC0.0%-0.00%
Steven CohenPoint72 Asset Management, L.P.0.0%-0.01%

Latest news

15.08.2026 16:01

Small caps last week: Playboy's pivot, AbCellera trial win, GLP-1 boon for AirSculpt

11.08.2026 16:30

Sionna's cystic fibrosis drug candidate fails in trial; stock craters 90%

Risks

  • Default risk
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  • Volatility
    Data is available to registered users only
  • Selling difficulty
    Data is available to registered users only
  • Stress test
    Data is available to registered users only
  • Country risks
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  • Other risks
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About

Sionna Therapeutics, Inc., a clinical-stage biopharmaceutical company, researches and develops medicines for the treatment of cystic fibrosis (CF). It develops galicaftor (SION-2222), a transmembrane domain 1 (TMD1)-directed cystic fibrosis transmembrane conductance regulator (CFTR) that has completed Phase 2 trial; navocaftor (SION-3067), a potentiator that has completed Phase 2 trial; SION-109, an intracellular loop 4 directed CFTR corrector that has completed Phase 1 trial; SION-2851, a TMD1-directed CFTR corrector that has completed Phase 1 trial; SION-451, which is nucleotide-binding domain 1 stabilizer in Phase 1 trial; and SION-719, which is nucleotide-binding domain 1 stabilizer in Phase 2a proof-of-concept trial. The company was formerly known as Sling Therapeutics, Inc. and changed its name to Sionna Therapeutics, Inc. in July 2021. Sionna Therapeutics, Inc. was incorporated in 2019 and is headquartered in Waltham, Massachusetts.

Company Valuation

Greatly undervalued
7/7

From both historical and forecast perspectives, the stock is considerably underpriced compared to similar stocks.

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Target Price

Somewhat favourable
5/7

The average target price of SION is 21.2 and suggests 333% upside potential. Usually, this means a BUY recommendation among investment firms, or a recommendation to incre

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Risks

  • Default risk
    Data is available to registered users only
  • Volatility
    Data is available to registered users only
  • Selling difficulty
    Data is available to registered users only
  • Stress test
    Data is available to registered users only
  • Country risks
    Data is available to registered users only
  • Other risks
    Data is available to registered users only
Sign up to access detailed risk analysis

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