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
162.54M
Market cap162.54M
Price-Earnings ratio
-1.75
Price-Earnings ratio-1.75
Dividend yield
—
Dividend yield—
Average volume
1.14M
Average volume1.14M
High today
$3.82
High today$3.82
Low today
$3.55
Low today$3.55
Open price
$3.75
Open price$3.75
Volume
918.20K
Volume918.20K
52 Week high
$54.97
52 Week high$54.97
52 Week low
$3.55
52 Week low$3.55

Stock Snapshot

The current Sionna Therapeutics(SION) stock price is $3.62, with a market capitalization of 162.54M. The stock trades at a price-to-earnings (P/E) ratio of -1.75.

On 2026-10-23, Sionna Therapeutics(SION) stock traded between a low of $3.55 and a high of $3.82. Shares are currently priced at $3.62, which is +2.0% above the low and -5.1% below the high.

Sionna Therapeutics(SION) shares are trading with a volume of 918.2K, against a daily average of 1.14M.

During the past year, Sionna Therapeutics(SION) stock moved between $3.55 at its lowest and $54.97 at its peak.

During the past year, Sionna Therapeutics(SION) stock moved between $3.55 at its lowest and $54.97 at its peak.

Analyst ratings

91%

of 11 ratings
Buy
9.1%
Hold
90.9%
Sell
0%

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