Sionna Therapeutics Inc. (SION) Live Share Price, Invest From India

Sionna Therapeutics Inc. Stock Performance

as on July 11, 2026 at 2:15 pm IST

Day's Low
Day's High
$42.24
Day's Price Range
$45.30
$45.29
6.73%
Downside
0.02%
Upside
52 Week's Low
52 Week's High
$16.38
52-Week Price Range
$48.45
$45.29
63.83%
Downside
6.97%
Upside

Sionna Therapeutics Inc. share price movements today

Previous Close: $44.94
Open: $44.41
Volume: 325.0K
Day's Low - High: $42.24 - $45.30
52 Week Low - High: $16.38 - $48.45

Sionna Therapeutics Inc. Historical Returns

1 Month Return: + 25.63 %
3 Month Return: + 19.53 %
1 Year Return: + 121.68 %
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

$2.0B

EPS (TTM)

-2.5444

Dividend Yield

0.00%

PE Ratio (TTM)

PEG Ratio

Return On Equity TTM

-26.74%

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 Ratio	Profit Margin %	Dividend Yield %
Sionna Therapeutics Inc.	NA	$2.0B	NA	NA	0.00%	NA
Alnylam Pharmaceuticals Inc.	BUY	$41.8B	69.04%	81.24	12.55%	NA
Vertex Pharmaceuticals Inc.	BUY	$126.0B	144.95%	29.59	35.51%	NA
Regeneron Pharmaceuticals Inc.	BUY	$70.0B	14.49%	16.18	29.65%	0.54%

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

Sionna Therapeutics Inc. investment value today

Current value as on today

₹2,46,338

Returns

₹1,46,338

(+146.34%)

Returns from Sionna Therapeutics Inc. Stock

₹1,21,684 (+121.68%)

Dollar Impact

₹24,654 (+24.65%)

Indian Investors' Interest in Sionna Therapeutics Inc. Stock

Search interest for Sionna Therapeutics Inc. Stock has decreased by -35% in the last 30 days, reflecting a downward trend in search activity.

Time period: June 12, 2026 to July 12, 2026

Change:-35% versus previous 30 day period

Sionna Therapeutics Inc. Quarterly Profit & Loss

All numbers in Millions USD

	Dec 2023	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026
Total Revenue	-	-	-	-	-	-	-	-	-	-
Gross Profit	-	-	0	-	-	-	0	0	0	0
Operating Income	-12	-13	-11	-27	-18	-19	-21	-23	-23	-29
EBITDA	-11	-11	-8	-25	-15	-16	-17	-19	-16	-26
Interest Expense	-	-	-	-	-	-	-	-	-	-
Depreciation	0	0	0	0	0	0	0	0	0	0
Income Before Tax	-11	-11	-8	-25	-15	-16	-18	-20	-20	-26
Income Tax Expense	-	-	-	-	-	-	-	-	-	-
Net Income	-11	-11	-8	-25	-15	-16	-18	-20	-20	-26
Net Profit Margin	0.00%	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

	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026
Net Income	-11	-8	-25	-15	-16	-18	-20	-20	-26
Operating Cash Flow	-13	-10	-17	-11	-16	-18	-15	-16	-21
Investing Cash Flow	-123	-28	10	15	-141	-23	23	22	24
Financing Cash Flow	181	0	0	-1	202	0	1	1	1
Change in Cash	44	-38	-8	2	44	-41	9	7	4

Sionna Therapeutics Inc. Annual Cash Flow

All numbers in Millions USD

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

Global Institutional Holdings in Sionna Therapeutics Inc.

Funds	Holdings
Vanguard Group Inc	2.62%
Geode Capital Management, LLC	0.86%
Citadel Advisors Llc	2.58%
Siren, L.L.C.	0.66%
TPG GP A, LLC	14.39%

See all

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.

POSITIVE IMPACT
Price Rise
In the last 1 month, SION stock has moved up by 32.1%
POSITIVE IMPACT
Best in 1 Year
In the last 1 year, SION has outperformed top 5 stocks with highest market-cap in its industry

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.

Organisation	Sionna Therapeutics Inc.
Headquarters	21 Hickory Drive, Waltham, MA, United States, 02451
Industry	Biotechnology
CEO	Mr. Michael Cloonan M.B.A.
E-voting on shares	Click here to vote

Key Management of Sionna Therapeutics Inc.

Name	Title
Mr. Michael Cloonan M.B.A.	President, CEO & Director
Dr. Greg Hurlbut Ph.D.	Co-Founder & Senior VP of Discovery Research
Ms. Meghan Bagshaw	Vice President of Programs, Portfolio & Operations
Ms. Sarah J. Spencer	Vice President of Corporate Communications
Ms. Elena H. Ridloff C.F.A.	Chief Financial Officer
Ms. Caroline Stark Beer M.B.A.	Chief Business Officer
Dr. Mark Munson Ph.D.	Co-founder & Senior VP of Medicinal Chemistry
Mr. Andy Chu	Vice President of Information & Technology
Ms. Jennifer Fitzpatrick J.D.	Chief Legal Officer
Ms. Vanya Sagar	Chief People Officer

FAQs

What is Sionna Therapeutics Inc. share price today?

Sionna Therapeutics Inc. share price today is $45.29 as on July 11, 2026 at 8:45 am IST at the close of the market. Sionna Therapeutics Inc. share today touched a day high of $45.30 and a low of $42.24.

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 $48.45 on May 11, 2026 and a 52 week low of $16.38 on August 1, 2025. Sionna Therapeutics Inc. stock price today i.e. July 11, 2026 at 8:45 am IST is closed at $45.29,which is 6.51% down from its 52 week high and 176.50% 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 July 11, 2026 at 8:45 am IST.

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

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 .
Step 2: Search for Sionna Therapeutics Inc. on INDmoney app. Click on Buy button. You can invest as low as $1.5 in Sionna Therapeutics Inc. Shares that will get you 0.0331 shares as per Sionna Therapeutics Inc. share price of $45.29 per share as on July 11, 2026 at 8:45 am IST.

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 ₹95.37 or $1 (as of July 12, 2026 at 5:44 pm IST) using the INDmoney app.
For example: If you want to invest $10 or ₹953.70 in Sionna Therapeutics Inc. stock (as per the Rupee-Dollar exchange rate as on July 12, 2026 at 5:44 pm IST). Based on Sionna Therapeutics Inc. share’s latest price of $45.29 as on July 11, 2026 at 8:45 am IST, you will get 0.2208 shares of Sionna Therapeutics Inc.. Learn more about fractional shares .