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

Sionna Therapeutics, Inc. Stock Performance

as on August 31, 2026 at 2:15 pm IST

Day's Low
Day's High
$5.82
Day's Price Range
$6.06
$5.87
0.85%
Downside
3.24%
Upside
52 Week's Low
52 Week's High
$4.01
52-Week Price Range
$54.97
$5.87
31.69%
Downside
836.46%
Upside

Sionna Therapeutics, Inc. share price movements today

Previous Close: $6.06
Open: $6.01
Volume: 715.8K
Market Cap: $265.0M
Day's Low - High: $5.82 - $6.06
52 Week Low - High: $4.01 - $54.97

Sionna Therapeutics, Inc. Historical Returns

1 Month Return: -87.55 %
3 Month Return: -86.29 %
1 Year Return: -76.16 %
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

$265.0M

EPS (TTM)

-2.5644

Dividend Yield

0.00%

PE Ratio (TTM)

PEG Ratio

Return On Equity TTM

-32.34%

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.	Neutral	$265.0M	NA	NA	0.00%	NA
Revolution Medicines	BUY	$44.6B	614.61%	NA	0.00%	NA
Vertex Pharmaceuticals	BUY	$137.2B	170.45%	31.92	86.04%	NA
Moderna	BUY	$55.1B	-63.37%	-7.98	-12.57%	NA
Regeneron	BUY	$85.8B	17.94%	19.9	84.86%	0.44%

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

₹25,842

Returns

-₹74,158

(-74.16%)

Returns from Sionna Therapeutics, Inc. Stock

-₹76,158 (-76.16%)

Dollar Impact

₹1,999 (+2%)

Analyst Recommendation on Sionna Therapeutics, Inc. Stock

Based on 11 analysts

HOLD

9.09%

Buy

90.91%

Hold

0.00%

Sell

Based on 11 analysts, 90.9090909090909% of analysts recommend a 'HOLD' rating for Sionna Therapeutics, Inc.. Average target price of $15.17

Indian Investors' Interest in Sionna Therapeutics, Inc. Stock

Investment in Sionna Therapeutics, Inc. Shares on INDmoney has grown by 8725.00% in the last 30 days, indicating increased investment activity.

Time period: August 1, 2026 to August 31, 2026

Change:8725.00% versus previous 30 day period

Search interest for Sionna Therapeutics, Inc. Stock has increased by 3711% in the last 30 days, reflecting an upward trend in search activity.

Time period: August 1, 2026 to August 31, 2026

Change:3711% versus previous 30 day period

Sionna Therapeutics, Inc. Quarterly Profit & Loss

All numbers in Millions USD

	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026
Total Revenue	-	-	-	-	-	-	-	-	-	-
Gross Profit	-	0	-	-	-	0	0	0	0	-
Operating Income	-13	-11	-27	-18	-19	-21	-23	-23	-29	-32
EBITDA	-11	-8	-25	-15	-16	-17	-19	-16	-26	-29
Interest Expense	-	-	-	-	-	-	-	-	-	-
Depreciation	0	0	0	0	0	0	0	0	0	0
Income Before Tax	-11	-8	-25	-15	-16	-18	-20	-20	-26	-29
Income Tax Expense	-	-	-	-	-	-	-	-	-	-
Net Income	-11	-8	-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%	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

	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026
Net Income	-8	-25	-15	-16	-18	-20	-20	-26	-56
Operating Cash Flow	-10	-17	-11	-16	-18	-15	-16	-21	-44
Investing Cash Flow	-28	10	15	-141	-23	23	22	24	46
Financing Cash Flow	0	0	-1	202	0	1	1	1	2
Change in Cash	-38	-8	2	44	-41	9	7	4	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

Mutual Funds that own Sionna Therapeutics, Inc. Stock

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

Funds	Holdings	Shares Held
VANGUARD INDEX FUNDS	2.217192%	1002446
Prudential Sector Funds, Inc.	1.439976%	651048
MUTUAL FUND SERIES TRUST	1.436203%	649342
JPMorgan Trust II	1.220525%	551829
T. ROWE PRICE HEALTH SCIENCES FUND, INC.	1.210824%	547443

See all

Global Institutional Holdings in Sionna Therapeutics, Inc.

Funds	Holdings
Peter Kolchinsky	21.91%
Andreas Halvorsen	7.07%
Vanguard	2.85%
iShares	2.12%
Joseph Edelman	2%

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 7 days, SION stock has moved up by 5.0%
NO EFFECT
Against Peers
In the last 1 year, Moderna, Inc. Common Stock has given 472.8% return, outperforming this stock by 549.0%

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

FAQs

What is Sionna Therapeutics, Inc. share price today?

Sionna Therapeutics, Inc. share price today is $5.87 as on August 31, 2026 at 8:45 am IST at the close of the market. Sionna Therapeutics, Inc. share today touched a day high of $6.06 and a low of $5.82.

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 August 7, 2026 and a 52 week low of $4.01 on August 10, 2026. Sionna Therapeutics, Inc. stock price today i.e. August 31, 2026 at 8:45 am IST is closed at $5.87,which is 89.32% down from its 52 week high and 46.38% 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 August 31, 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 0.2555 shares as per Sionna Therapeutics, Inc. share price of $5.87 per share as on August 31, 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 ₹95.38 or $1 (as of August 31, 2026 at 2:46 pm IST) using the INDmoney app.
For example: If you want to invest $10 or ₹953.80 in Sionna Therapeutics, Inc. stock (as per the Rupee-Dollar exchange rate as on August 31, 2026 at 2:46 pm IST). Based on Sionna Therapeutics, Inc. share’s latest price of $5.87 as on August 31, 2026 at 8:45 am IST, you will get 1.7036 shares of Sionna Therapeutics, Inc.. Learn more about fractional shares .