Sionna Therapeutics, Inc. (SION)

NASDAQ: SION · Real-Time Price · USD
39.59
+0.38 (0.97%)
At close: Apr 28, 2026, 4:00 PM EDT
39.59
0.00 (0.00%)
After-hours: Apr 28, 2026, 4:04 PM EDT
0.97%
Market Cap 1.79B
Revenue (ttm) n/a
Net Income (ttm) -75.27M
Shares Out 45.14M
EPS (ttm) -1.88
PE Ratio n/a
Forward PE n/a
Dividend n/a
Ex-Dividend Date n/a
Volume 393,867
Open 39.68
Previous Close 39.21
Day's Range 38.58 - 41.15
52-Week Range 10.97 - 46.46
Beta n/a
Analysts Strong Buy
Price Target 50.13 (+26.62%)
Earnings Date May 6, 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 Forecast

According to 8 analysts, the average rating for SION stock is "Strong Buy." The 12-month stock price target is $50.13, which is an increase of 26.62% from the latest price.

Price Target
$50.13
(26.62% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

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

1 day 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...

21 days ago - GlobeNewsWire

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.

7 weeks ago - Transcripts

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 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 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.

2 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 ...

2 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.

3 months ago - Transcripts

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 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 Therapeutics to Participate in Upcoming December Investor Conferences

WALTHAM, Mass., Nov. 24, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

5 months ago - GlobeNewsWire

Sionna Therapeutics Transcript: Stifel 2025 Healthcare Conference

The team is advancing two NBD1 stabilizers for cystic fibrosis, aiming to improve CFTR function beyond current standards. Key phase IIa and dual combination studies are underway, with data expected mid-2026 and a strong cash position supporting development.

5 months ago - Transcripts

Sionna Therapeutics Transcript: Guggenheim Securities 2nd Annual Healthcare Innovation Conference

The company is advancing NBD1-targeted therapies for CF, with two clinical studies (add-on and dual combo) expected to read out in mid-2026. Both programs leverage validated assays and strong financials, aiming to surpass current standards in CFTR function restoration.

6 months ago - Transcripts

Sionna Therapeutics Reports Third Quarter 2025 Financial Results

Initiated 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

6 months ago - GlobeNewsWire

Sionna Therapeutics to Participate in Upcoming November Investor Conferences

WALTHAM, Mass., Nov. 04, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

6 months ago - GlobeNewsWire

Sionna Therapeutics Announces Presentation of SION-719 and SION-451 Phase 1 Data and Poster of New Preclinical Data on the Impact of NBD1 Stabilizers on F508del-CFTR Half-Life at the 2025 North American Cystic Fibrosis Conference

Phase 1 data of first-in-class NBD1 stabilizers, SION-719 and SION-451, demonstrated they were generally well tolerated and exceeded desired pharmacokinetic targets New preclinical data show that NBD1...

6 months ago - GlobeNewsWire

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

SION-719 is the first NBD1 stabilizer being evaluated in people living with cystic fibrosis Topline data expected in mid-2026 WALTHAM, Mass., Oct. 21, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc...

6 months ago - GlobeNewsWire

Sionna Therapeutics to Present Data at the 2025 North American Cystic Fibrosis Conference

WALTHAM, Mass., Oct. 01, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

7 months ago - GlobeNewsWire

Sionna Therapeutics Appoints Caroline Stark Beer as Chief Business Officer

WALTHAM, Mass., Sept. 08, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for...

8 months ago - GlobeNewsWire

Sionna Therapeutics Transcript: Morgan Stanley 23rd Annual Global Healthcare Conference

Significant progress was highlighted in advancing two NBD1 stabilizers for cystic fibrosis, with both compounds exceeding early clinical targets and two phase 2a trials expected to report data by mid-2026. The company is well-funded, targeting a large, growing market, and aims to deliver best-in-class therapies that address major unmet needs.

8 months ago - Transcripts

Sionna Therapeutics Transcript: Cantor Global Healthcare Conference 2025

Two NBD1 stabilizers exceeded Phase 1 targets and are advancing as an add-on and in dual combinations, with key readouts expected mid-2026. The approach targets significant unmet need in cystic fibrosis, aiming for clinical superiority over current standard of care.

8 months ago - Transcripts

Sionna Therapeutics to Participate in Upcoming September Investor Conferences

WALTHAM, Mass., Aug. 27, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for ...

8 months ago - GlobeNewsWire

Sionna Therapeutics Announces First Subjects Dosed in Phase 1 Trial Evaluating NBD1 Stabilizer, SION-451, in Proprietary Dual Combinations in Development for the Treatment of Cystic Fibrosis

Dosing initiated for SION-451 combined with SION-2222 and SION-451 combined with SION-109 in healthy volunteers; topline data anticipated in mid-2026 Dosing initiated for SION-451 combined with SION-2...

8 months ago - GlobeNewsWire