Sionna Therapeutics Inc (SION)
$3.87 -3.25% Close Oct 30, 2026 Live
Sionna Therapeutics stock today
Sionna Therapeutics closed at $3.87 on October 30, 2026, down 3.25% on the day. Over the past year it returned -89.8% with dividends reinvested, against +12.4% for the S&P 500. Its market value is $175 million.
$20.00$40.00
NovJan 2026MarMayJulSep
| Period | SION | S&P 500 (SPY) |
|---|---|---|
| 1 month | -26.4% | -0.9% |
| 3 months | -91.7% | +2.1% |
| Year to date | -90.6% | +11.7% |
| 1 year | -89.8% | +12.4% |
Key statistics
- Market value
- $175M
- 52-week range
- $3.60 to $51.04
- Next report
- Nov 5, 2026 (estimated)
About Sionna Therapeutics
Develops small-molecule therapeutics for inflammatory and fibrotic diseases.
Sector: Health Care
More on Sionna Therapeutics
- Returns: what $1,000 became$1,000 one year ago is $101.81 today
No forecast, no recommendation. This page describes Sionna Therapeutics Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.