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Sionna Therapeutics, Inc. Share Price

Sionna Therapeutics, Inc. Share Price

NASDAQ: SION | Micro Cap
$4.89
+$0.07 (1.45%) Last updated on 09 Oct, 2026 | 01:29 IST
  • Performance
  • Chart
  • Fundamentals
  • Quarterly P&L
  • Annual P&L
  • About
  • Price history
  • FAQs

Sionna Therapeutics, Inc. Stock Performance

Open
$4.70
Prev. Close
$4.82
Circuit Range
N/A
Day Range
$4.69 - $4.96
Year Range
$4.01 - $54.71
Volume
36,233
Average Traded
$4.87

Sionna Therapeutics, Inc. Share Price Today

As of 9 October 2026, Sionna Therapeutics, Inc.'s share price is $4.89. The stock opened at $4.70, compared to its previous close of $4.82. During today's trading session, Sionna Therapeutics, Inc.'s share price traded between $4.69 and $4.96, with an average price of $4.83. Over the past 52 weeks, the stock has recorded a high of $54.71 and a low of $4.01. In terms of performance, Sionna Therapeutics, Inc.'s share price has declined by 87.36% over the last six months and is down 87.22% on a year-on-year basis.

Sionna Therapeutics, Inc. Share Price Chart

$4.69$4.96
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Sionna Therapeutics, Inc. Stock Fundamentals & Key Indicators

Market Cap
$195.41M
PE Ratio (TTM)
N/A
Dividend Yield
0.00%
EPS (TTM)
$-2.15
Revenue (TTM)
$0.00
Return On Equity (TTM)
-36.64%
Profit Margin
N/A
Debt to Equity
0.00
Quarterly Earnings Growth YoY
-47.39%

Sionna Therapeutics, Inc. Quarterly Profit & Loss

All figures in USD

ParticularsSep 2025Dec 2025Mar 2026Jun 2026
Revenue$0.00$0.00$0.00$0.00
Net Profit-$20.28-$20.44-$26.78-$29.89
Net Profit MarginN/AN/AN/AN/A
Income ChangeN/A-0.79%-31.02%-11.61%

Sionna Therapeutics, Inc. Annual Profit & Loss

All figures in USD

Particulars2025
Revenue$0.00
Net Profit-$75.27
Net Profit MarginN/A
Income ChangeN/A

About Sionna Therapeutics, Inc.

Sionna Therapeutics Inc is a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) patients by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein to deliver clinically meaningful benefits to CF patients. CF is a progressive and life-threatening genetic disease caused by inherited mutations in the CFTR gene, which heads to insufficient CFTR function. The Company is managed as one operating segment focused on the research and development of cystic fibrosis therapies.

Sionna Therapeutics, Inc. Historical Returns

MonthOpenCloseChange %
Oct 2026
$5.24
$4.89
-6.85%
Sep 2026
$6.04
$5.25
-13.28%
Aug 2026
$46.10
$6.06
-87.13%
Jul 2026
$43.92
$47.08
+7.09%
Jun 2026
$42.00
$43.96
+2.57%
May 2026
$39.08
$42.86
+10.78%
Apr 2026
$40.00
$38.69
-3.59%
Mar 2026
$34.64
$40.13
+9.78%
Feb 2026
$42.88
$36.55
-13.25%
Jan 2026
$40.66
$42.14
+2.13%
Dec 2025
$39.20
$41.26
-5.00%
Nov 2025
$35.81
$43.43
+13.50%

SION Share Price FAQs

What is Sionna Therapeutics, Inc. share price today?

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Sionna Therapeutics, Inc. share price today is $4.89 as on October 9, 2026 at 1:29 am IST.

What is the 52 week high and 52 week low of Sionna Therapeutics, Inc. stock?

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The 52 week high of Sionna Therapeutics, Inc. stock is $54.71, while the 52 week low is $4.01 as of 9 Oct '26.

What is SION's market capitalisation today?

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SION market capitalisation is $195.41M as of October 9, 2026, at 1:32 am IST.

What is SION's net income for the last quarter?

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SION's net income for the last quarter is -29.89B USD.

What is the 5 year returns of SION?

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The 5 year returns of SION is -64.49% as on 9 Oct '26.

What is the high & low stock price of SION today?

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SION stock price hit a high of $4.96 and low of $4.69 as of 9 Oct '26.

Can I buy SION shares in India?

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Yes. You can buy SION in India by opening an international trading account.