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Sionna Therapeutics, Inc. logo

Sionna Therapeutics, Inc. (SION) Stock Ticker

NASDAQ: SION · Healthcare · Biotechnology
$5.23+0.00%
USD · as of 2026-09-28 · market cap $236.1M
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SION right now

Options expect by Oct 6±11.2%
Options expect by Oct 29±23.3%
Priced in for Nov 4 earnings±25.5%
IV rank (30-day)43% · fair
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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About Sionna Therapeutics, Inc.

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.

SION stock facts

Ticker symbolSION
ExchangeNASDAQ Global Market
SectorHealthcare
IndustryBiotechnology
Market cap$236.1M
CEOMichael Cloonan
Employees59
HeadquartersWaltham, MA, US
IPO date2025-02-07
Websitewww.sionnatx.com

What you can see for SION on Tickr

Live SION price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the SION report.

Rankings

Largest Healthcare companiesLargest companies by market cap

FAQ

What is the ticker symbol for Sionna Therapeutics, Inc.?

The ticker symbol for Sionna Therapeutics, Inc. is SION, listed on the NASDAQ Global Market.

What is SION?

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;…

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