Stock price history for Sionna Therapeutics (SION)

Highest end of day price: £33.46 GBp on 2026-04-16

Lowest end of day price: £5.67 GBp on 2025-04-10

Stock price history of Sionna Therapeutics from 2025 to 2026

Annual Stock Price Performance

Year	Performance
2026	-6.78%
2025	64.56%

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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