Sionna Therapeutics, Inc. share price logo

Sionna Therapeutics, Inc.

NASDAQ: SION

$4.07

-0.02

(-0.49%)

Live

as on

Sionna Therapeutics, Inc. Stock Performance

as on October 16, 2026 at 5:10 am IST

  • Day's Low

    Day's High

    $4.02
    $4.29
    downward going graph

    1.23%

    Downside

    5.41%

    Upside

    downward going graph

  • 52 Week's Low

    52 Week's High

    $3.93
    $54.97
    downward going graph

    3.44%

    Downside

    1250.61%

    Upside

    downward going graph

Sionna Therapeutics, Inc. share price movements today

Previous Close
$4.09
Open
$4.12
Volume
500.0K
Market Cap
$197.8M
Day's Low - High
$4.02 - $4.29
52 Week Low - High
$3.93 - $54.97

Sionna Therapeutics, Inc. Historical Returns

1 Month Return
-40.55 %
3 Month Return
-90.78 %
1 Year Return
-86.77 %
3 Year Return
0 %
5 Year Return
0 %

Sionna Therapeutics, Inc. Stock Fundamentals & Key Indicators

Check Sionna Therapeutics, Inc. market cap, PE, PB, PEG ratios, dividend yield, and other key fundamental indicators.

Market Cap

$197.8M

EPS (TTM)

-2.18

Dividend Yield

0.00%

Quarterly Earnings Growth YOY

0.00%

PE Ratio (TTM)

-2.01

Industry PE ratio

-3.10

PEG Ratio

0.08

EBITDA

-93.3M

Revenue (TTM)

-

Profit Margin

0.00%

Return On Equity TTM

-32.94%

Sionna Therapeutics, Inc. vs Peer Comparison

Compare market cap, revenue, PE, and other key metrics of Sionna Therapeutics, Inc. with its industry peers.

Company
Analyst View
Market Cap
5 Years Return %PE RatioProfit Margin %Dividend Yield %
Sionna Therapeutics, Inc. image
Sionna Therapeutics, Inc.
Neutral$197.8MNA-2.010.00%0.00%
Moderna image
Moderna
Neutral$86.3B-30.20%-28.20-12.57%0.00%
Vertex Pharmaceuticals image
Vertex Pharmaceuticals
StrongBuy$123.0B174.25%28.0286.04%0.00%
Regeneron image
Regeneron
Buy$78.5B40.69%17.8384.86%0.49%

Stock Returns calculator for Sionna Therapeutics, Inc. Stock including INR - Dollar returns

The Sionna Therapeutics, Inc. stock calculator helps Indian investors calculate returns based on the historical performance of the stock. Just choose your investment amount and duration to get insights and invest more confidently. See stock returns as well as the effect of dollar appreciation over different durations.

*Dollar Impact: The bonus return you make when the US Dollar rises against the Rupee; calculated on the full amount you walk away with, not just what you invested in.

Investment Value

₹1,00,000

  • 1Y

Sionna Therapeutics, Inc. investment value today

Current value as on today

₹14,254

Returns

-₹85,746

(-85.75%)

Returns from Sionna Therapeutics, Inc. Stock

-₹86,833 (-86.83%)

Dollar Impact

₹1,086 (+1.09%)

Analyst Recommendation on Sionna Therapeutics, Inc. Stock

Based on 7 analysts

HOLD

14.29%

Buy

85.71%

Hold

0.00%

Sell

Based on 7 analysts, 85.71428571428571% of analysts recommend a 'HOLD' rating for Sionna Therapeutics, Inc.. Average target price of $20.25

Sionna Therapeutics, Inc. Share Price Target

Get share price movements and forecasts by analysts on Sionna Therapeutics, Inc..

Current Price

$4.07

Analyzed by

7 Analysts

High

$63

0

Low

$5

Sionna Therapeutics, Inc. target price $0, a slight upside of 0% compared to current price of $4.07. According to 7 analysts rating.

Indian Investors' Interest in Sionna Therapeutics, Inc. Stock

Search interest for Sionna Therapeutics, Inc. Stock has decreased by -50% in the last 30 days, reflecting a downward trend in search activity.

Time period: to

Change:-50% versus previous 30 day period

Sionna Therapeutics, Inc. Quarterly Profit & Loss

All numbers in Millions USD

Dec 2023
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Total Revenue
-
-
-
-
-
-
-
-
-
Gross Profit
-
-
-
-
0
-
0
0
-
Operating Income
-12
-27
-18
-19
-21
-23
-23
-29
-32
EBITDA
-11
-25
-15
-16
-17
-20
-16
-26
-29
Interest Expense
-
-
-
-
-
-
-
-
-
Depreciation
0
0
0
0
0
0
0
0
0
Income Before Tax
-11
-25
-15
-16
-18
-20
-20
-26
-29
Income Tax Expense
-
-
-
-
-
-
-
-
-
Net Income
-11
-25
-15
-16
-18
-20
-20
-26
-29
Net Profit Margin
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%

Sionna Therapeutics, Inc. Annual Profit & Loss

All numbers in Millions USD

Dec 2022
Dec 2023
Dec 2024
Dec 2025
Total Revenue
-
-
-
-
Gross Profit
-
-
0
0
Operating Income
-41
-50
-70
-88
EBITDA
-40
-46
-61
-74
Interest Expense
-
-
-
-
Depreciation
0
0
0
0
Income Before Tax
-40
-47
-61
-75
Income Tax Expense
-
-
-
-
Net Income
-40
-47
-61
-75
Net Profit Margin
0.00%
0.00%
0.00%
0.00%

Sionna Therapeutics, Inc. Quarterly Cash Flow

All numbers in Millions USD

Dec 2023
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Net Income
-11
-25
-15
-16
-18
-20
-20
-26
-56
Operating Cash Flow
-7
-17
-11
-16
-18
-15
-16
-21
-44
Investing Cash Flow
7
10
15
-141
-23
23
22
24
46
Financing Cash Flow
-
0
-1
202
0
1
1
1
2
Change in Cash
0
-8
2
44
-41
9
7
4
4

Sionna Therapeutics, Inc. Annual Cash Flow

All numbers in Millions USD

Dec 2022
Dec 2023
Dec 2024
Dec 2025
Net Income
-40
-47
-61
-75
Operating Cash Flow
-36
-43
-52
-66
Investing Cash Flow
-29
27
-126
-118
Financing Cash Flow
110
0
178
205
Change in Cash
45
-16
0
20

Global Institutional Holdings in Sionna Therapeutics, Inc.

Check out the Institutions with significant holdings in Sionna Therapeutics, Inc..

Funds
Holdings
Peter Kolchinsky
21.91%
Andreas Halvorsen
7.07%
Vanguard
2.81%
VANGUARD INDEX FUNDS
2.22%
iShares
2.18%
See all

Sionna Therapeutics, Inc. News & Key Events

  • img

    Today's Timeline - 14 September

    Tue, 02:00 AM

    -

    Sionna Therapeutics announces restructuring plan, cutting 46% of workforce to focus on SION-451 and SION-2222 dual combination.

Insights on Sionna Therapeutics, Inc.

Insights help you understand the recent movement of the company's critical parameters, giving you an overall view of the company.

  • imgNO EFFECT

    Against Peers

    img

    In the last 1 year, Moderna, Inc. Common Stock has given 716.4% return, outperforming this stock by 803.2%

  • imgNEGATIVE IMPACT

    Price Dip

    img

    In the last 7 days, SION stock has moved down by -16.5%

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.
OrganisationSionna Therapeutics, Inc.
Headquarters21 Hickory Drive Suite 500, Waltham, MA, 02451, US
IndustryBiotechnology
CEOMichael Cloonan

Key Management of Sionna Therapeutics, Inc.

Name

Title

Dr. Greg Hurlbut Ph.D.

Co-Founder & Senior VP of Discovery Research

Dr. Mark Munson Ph.D.

Co-founder

Juliet Labadorf

Senior Director of Investor Relations & Corporate Development

Mr. Michael Cloonan M.B.A.

President, CEO & Director

Mr. Andy Chu

Vice President of Information & Technology

Ms. Jennifer Fitzpatrick J.D.

Chief Legal Officer & Head of Program Management

Ms. Roxanne McGrath

Vice President of Head of Human Resources

Dr. Charlotte McKee M.D.

Chief Medical Officer & Head of Research and Development

Ms. Mara Furlow M.S.

Senior Vice President of Global Regulatory Affairs & Quality

Ms. Elena H. Ridloff C.F.A.

CFO & Chief Business Officer

FAQs

What is Sionna Therapeutics, Inc. share price today?

Sionna Therapeutics, Inc. share price today is $4.07 as on . Sionna Therapeutics, Inc. share today touched a day high of $4.29 and a low of $4.02.

What is the 52 week high and 52 week low for Sionna Therapeutics, Inc. share?

Sionna Therapeutics, Inc. share touched a 52 week high of $54.97 on and a 52 week low of $3.93 on . Sionna Therapeutics, Inc. stock price today i.e. is trending at $4.07,which is 92.60% down from its 52 week high and 3.56% up from its 52 week low.

What is Sionna Therapeutics, Inc.'s market capitalisation today?

Sionna Therapeutics, Inc. market capitalisation is $0.00T as on .

How to invest in Sionna Therapeutics, Inc. Stock (SION) from India?

  1. Step 1: Open a free US stocks account on INDmoney App and transfer your Rupees into Dollars to your INDmoney US stocks account. For a step by step instruction, check How to Transfer Money to Your US Stocks Account .
  2. Step 2: Search for Sionna Therapeutics, Inc. on INDmoney app. Click on Buy button.

What is the minimum amount required to buy Sionna Therapeutics, Inc. Stock (SION) from India?

Indian investors can start investing in Sionna Therapeutics, Inc. (SION) shares with as little as ₹95.05500030517578 or $1 (as of ) using the INDmoney app.
For example: If you want to invest $10 or ₹950.55 in Sionna Therapeutics, Inc. stock (as per the Rupee-Dollar exchange rate as on ). Based on Sionna Therapeutics, Inc. share’s latest price of $4.07 as on October 15, 2026 at 11:40 pm IST, you will get 2.4570 shares of Sionna Therapeutics, Inc.. Learn more about fractional shares .