Sionna Therapeutics, Inc. (SION)
NASDAQ: SION · Real-Time Price · USD
3.810
-0.060 (-1.55%)
Oct 28, 2026, 9:30 AM EDT - Market open
Sionna Therapeutics Market Cap
Sionna Therapeutics has a market cap or net worth of $172.26 million as of October 28, 2026. It is the 21,464th most valuable company in the world and the 3,675th biggest in the United States. Its market cap has decreased by 89.82% in one year.
Market Cap
172.26M
Enterprise Value
-87.92M
1-Year Change
-89.82%
Global Rank
Country Rank
#3,675 United States
Category
ChartMarket Cap Chart
Since the IPO on February 7, 2025, Sionna Therapeutics's market cap has decreased from $733.61M to $172.26M, a decrease of -76.52%. That is a compound annual growth rate of -56.92%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 28, 2026 | 172.26M | -90.62% |
| Dec 31, 2025 | 1.84B | 150.27% |
| Feb 7, 2025 | 733.61M | - |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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