Sionna Therapeutics, Inc. (SION)

NASDAQ: SION · Real-Time Price · USD
44.23
+0.92 (2.12%)
At close: May 8, 2026, 4:00 PM EDT
44.01
-0.22 (-0.50%)
After-hours: May 8, 2026, 7:39 PM EDT
Market Cap2.00B +259.1%
Revenue (ttm)n/a
Net Income-75.27M
EPS-1.88
Shares Out 45.14M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume405,313
Open43.93
Previous Close43.31
Day's Range43.36 - 45.10
52-Week Range11.77 - 46.46
Betan/a
AnalystsStrong Buy
Price Target50.44 (+14.04%)
Earnings DateMay 22, 2026

About 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; 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... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Feb 7, 2025
Employees 59
Stock Exchange NASDAQ
Ticker Symbol SION
Full Company Profile

Financial Performance

Financial Statements

Analyst Summary

According to 9 analysts, the average rating for SION stock is "Strong Buy." The 12-month stock price target is $50.44, which is an increase of 14.04% from the latest price.

Price Target
$50.44
(14.04% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Sionna Therapeutics initiated with an Outperform at Wedbush

Wedbush analyst Laura Chico initiated coverage of Sionna Therapeutics (SION) with an Outperform rating and $53 price target The company’s focus remains on developing next-generation CFTR modulators th...

5 days ago - TheFly

Sionna Therapeutics price target raised to $63 from $52 at JonesResearch

JonesResearch raised the firm’s price target on Sionna Therapeutics (SION) to $63 from $52 and keeps a Buy rating on the shares after the company completed enrollment in the Phase

11 days ago - TheFly

Sionna Therapeutics Completes Enrollment in PreciSION CF Phase 2a Trial Evaluating NBD1 Stabilizer, SION-719, Added to Standard of Care in Participants with Cystic Fibrosis

Topline data is on track for anticipated readout in the summer of 2026 Topline data is on track for anticipated readout in the summer of 2026

12 days ago - GlobeNewsWire

Sionna Therapeutics to Participate in the Raymond James 2026 Biotech Innovation Symposium

WALTHAM, Mass., April 07, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for...

4 weeks ago - GlobeNewsWire

Three new option listings on March 17th

New option listings for March 17th include GBank Financial Holdings Inc (GBFH), Oculis Holding AG (OCS), and Sionna Therapeutics Inc (SION).

Other symbols: GBFHOCS
7 weeks ago - TheFly

Sionna Therapeutics Transcript: Leerink Global Healthcare Conference 2026

The company is advancing two NBD1 stabilizers for cystic fibrosis, targeting significant unmet need with both add-on and dual combination strategies. Key clinical data from ongoing studies are expected by mid-2026, supported by strong financial resources and a validated predictive assay.

2 months ago - Transcripts

Sionna Therapeutics price target raised to $50 from $45 at Guggenheim

Guggenheim raised the firm’s price target on Sionna Therapeutics (SION) to $50 from $45 and keeps a Buy rating on the shares after the company announced FY25 earnings. The firm

2 months ago - TheFly

Sionna Therapeutics Transcript: TD Cowen 46th Annual Health Care Conference

The discussion highlighted the strategy to address unmet needs in CF by developing NBD1 stabilizers, with a focus on dual combinations aiming for clinically meaningful improvements in CFTR function. The phase II study is designed for robust mechanistic proof, and future plans include dose-ranging and co-formulation.

2 months ago - Transcripts

Sionna Therapeutics files automatic mixed securities shelf

08:21 EST Sionna Therapeutics (SION) files automatic mixed securities shelf

2 months ago - TheFly

Sionna Therapeutics files automatic mixed securities shelf

08:21 EST Sionna Therapeutics (SION) files automatic mixed securities shelf

2 months ago - TheFly

Sionna Therapeutics files automatic mixed securities shelf

08:21 EST Sionna Therapeutics (SION) files automatic mixed securities shelf

2 months ago - TheFly

Sionna Therapeutics reports Q4 EPS (46c), consensus (55c)

Cash, cash equivalents and marketable securities totaled$310.3 millionas of December 31, 2025. Sionna expects its current cash position to fund operations into 2028. “2025 was a remarkable and transfo...

2 months ago - TheFly

Sionna Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results

Ongoing PreciSION CF Phase 2a proof-of-concept trial evaluating NBD1 stabilizer SION-719 as an add-on to standard of care in participants with cystic fibrosis is on track with topline data anticipated...

2 months ago - GlobeNewsWire

Sionna Therapeutics initiated with an Outperform at Citizens

Citizens initiated coverage of Sionna Therapeutics (SION) with an Outperform rating and $63 price target Sionna is developing “differentiated,” small molecule therapies that could normalize CFTR funct...

2 months ago - TheFly

Sionna Therapeutics to Participate in Upcoming March 2026 Investor Conferences

WALTHAM, Mass., Feb. 23, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

2 months ago - GlobeNewsWire

Sionna Therapeutics Transcript: Guggenheim Securities Emerging Outlook: Biotech Summit 2026

The summit highlighted a novel approach to CF treatment using NBD1 stabilizers, with key phase 2a and dual combination studies targeting mid-2026 data. The company aims to address unmet needs in a growing $12–17 billion market, supported by strong financials.

3 months ago - Transcripts

Sionna Therapeutics to Present at the Guggenheim Securities Emerging Outlook: Biotech Summit 2026

WALTHAM, Mass., Feb. 04, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

3 months ago - GlobeNewsWire

Sionna Therapeutics Transcript: 44th Annual J.P. Morgan Healthcare Conference

Focused on NBD1 stabilization, the company is advancing two lead programs targeting the F508del mutation in CF, with pivotal data expected mid-2026. Both add-on and dual combination strategies aim to surpass current standards, addressing a $12B+ market and significant unmet need.

4 months ago - Transcripts

Sionna Therapeutics price target raised to $58 from $50 at BTIG

BTIG raised the firm’s price target on Sionna Therapeutics (SION) to $58 from $50 and keeps a Buy rating on the shares. The firm’s thesis considers the strength of Sionna’s

Other symbols: VRTX
4 months ago - TheFly

Sionna Therapeutics price target raised to $58 from $50 at BTIG

BTIG analyst Kambiz Yazdi raised the firm’s price target on Sionna Therapeutics (SION) to $58 from $50 and keeps a Buy rating on the shares. A central element of the

4 months ago - TheFly

Sionna Therapeutics to Present at the 44th Annual J.P. Morgan Healthcare Conference

WALTHAM, Mass., Jan. 05, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

4 months ago - GlobeNewsWire

Sionna Therapeutics initiated with an Outperform at LifeSci Capital

LifeSci Capital analyst Cory Jubinville initiated coverage of Sionna Therapeutics (SION) with an Outperform rating and $60 price target Sionna is a clinical-stage pharmaceutical company focused on the...

4 months ago - TheFly

Sionna Therapeutics Transcript: Citi Annual Global Healthcare Conference 2025

A differentiated approach to cystic fibrosis targets the NBD1 domain with two main clinical strategies, aiming for superior efficacy and broad patient impact. Strong financials support development through 2028, with pivotal data expected in mid-2026 and a focus on maximizing patient access and commercial opportunity.

5 months ago - Transcripts

Sionna Therapeutics Transcript: Evercore ISI 8th Annual HealthCONx Conference

Significant clinical progress was made with NBD1 stabilizers, including phase I completions and the launch of key phase II and combination studies. The team aims to address unmet needs in CF by improving CFTR function and is confident in their assay's predictive power, with pivotal data expected in mid-2026.

5 months ago - Transcripts

Sionna downgraded to Underperform from Sector Perform at RBC Capital

RBC Capital downgraded Sionna Therapeutics (SION) to Underperform from Sector Perform with an unchanged price target of $24. The company is pursuing a novel approach in what could be a

5 months ago - TheFly