Gossamer Bio (GOSS) - Market capitalization

Market cap: £53.8 Million

As of September 2026 Gossamer Bio has a market cap of £53.8 Million. This makes Gossamer Bio the world's 10120th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Gossamer Bio from 2019 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£53.8 M	-90.31%
2025	£0.55 B	259.65%
2024	£0.15 B	-4.39%
2023	£0.16 B	-4.73%
2022	£0.16 B	-73.55%
2021	£0.64 B	22.24%
2020	£0.52 B	-28.66%
2019	£0.73 B

End of Day market cap according to different sources

On Sep 22nd, 2026 the market cap of Gossamer Bio was reported to be:

£53.8 Million

by Nasdaq

£53.8 Million

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
ORIC Pharmaceuticals ORIC	£1.05 B	1,857.06%	🇺🇸 USA

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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Market capitalization of Gossamer Bio (GOSS)

Market cap: £53.8 Million