Sionna Therapeutics, Inc. Share Price
NASDAQ: SION | Micro Cap$7.16
+$0.03 (0.42%) Last updated on 18 Sep, 2026 | 01:29 ISTSionna Therapeutics, Inc. Stock Performance
Sionna Therapeutics, Inc. Share Price Today
As of 18 September 2026, Sionna Therapeutics, Inc.'s share price is $7.16. The stock opened at $7.39, compared to its previous close of $7.13. During today's trading session, Sionna Therapeutics, Inc.'s share price traded between $7.17 and $7.72, with an average price of $7.45. 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 82.16% over the last six months and is down 75.69% on a year-on-year basis.
Sionna Therapeutics, Inc. Share Price Chart
$7.17$7.72
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Sionna Therapeutics, Inc. Quarterly Profit & Loss
All figures in USD
Sionna Therapeutics, Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Sep 2026 | $6.04 | $7.18 | +18.48% |
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% |
Oct 2025 | $29.64 | $38.27 | +29.93% |
SION Share Price FAQs
What is Sionna Therapeutics, Inc. share price today?
Sionna Therapeutics, Inc. share price today is $7.16 as on September 18, 2026 at 1:29 am IST.
What is the 52 week high and 52 week low of Sionna Therapeutics, Inc. stock?
The 52 week high of Sionna Therapeutics, Inc. stock is $54.71, while the 52 week low is $4.01 as of 18 Sep '26.
What is SION's market capitalisation today?
SION market capitalisation is $286.13M as of September 18, 2026, at 6:38 pm IST.
What is SION's net income for the last quarter?
SION's net income for the last quarter is -0.02B USD.
What is the 5 year returns of SION?
The 5 year returns of SION is -48.00% as on 18 Sep '26.
What is the high & low stock price of SION today?
SION stock price hit a high of $7.72 and low of $7.17 as of 18 Sep '26.
Can I buy SION shares in India?
Yes. You can buy SION in India by opening an international trading account.