Sionna Therapeutics

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About SION

Sionna Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company. The firm engages in researching, developing and commercializing novel medicines for cystic fibrosis. 

CEO
Michael Cloonan
CEOMichael Cloonan
Employees
59
Employees59
Headquarters
Waltham, Massachusetts
HeadquartersWaltham, Massachusetts
Founded
2019
Founded2019
Employees
59
Employees59

SION Key Statistics

Market cap
1.60B
Market cap1.60B
Price-Earnings ratio
-21.13
Price-Earnings ratio-21.13
Dividend yield
Dividend yield
Average volume
301.88K
Average volume301.88K
High today
$36.03
High today$36.03
Low today
$34.25
Low today$34.25
Open price
$35.57
Open price$35.57
Volume
110.88K
Volume110.88K
52 Week high
$45.00
52 Week high$45.00
52 Week low
$7.26
52 Week low$7.26

Stock Snapshot

As of today, Sionna Therapeutics(SION) shares are valued at $35.54. The company's market cap stands at 1.6B, with a P/E ratio of -21.13.

During the trading session on 2026-03-18, Sionna Therapeutics(SION) shares reached a daily high of $36.03 and a low of $34.25. At a current price of $35.54, the stock is +3.8% higher than the low and still -1.3% under the high.

Trading activity shows a volume of 110.88K, compared to an average daily volume of 301.88K.

Over the past 52 weeks, Sionna Therapeutics(SION) stock has traded between a high of $45.00 and a low of $7.26.

Over the past 52 weeks, Sionna Therapeutics(SION) stock has traded between a high of $45.00 and a low of $7.26.

SION News

The Motley Fool 2h
Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet?

Superstring Capital Management initiated a new position in Sionna Therapeutics (SION 2.82%), acquiring 180,593 shares in the fourth quarter. What happened Accor...

Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet?

Analyst ratings

90%

of 10 ratings
Buy
90%
Hold
0%
Sell
10%

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