Spero Therapeutics (SPRO) - Market capitalization

Market cap: HK$0.55 Billion

As of August 2026 Spero Therapeutics has a market cap of HK$0.55 Billion. This makes Spero Therapeutics the world's 10079th 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 Spero Therapeutics from 2017 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$0.55 B	-45.23%
2025	HK$1.01 B	133.28%
2024	HK$0.43 B	-28.35%
2023	HK$0.60 B	-13.06%
2022	HK$0.69 B	-82.69%
2021	HK$4.04 B	-8.05%
2020	HK$4.39 B	206.06%
2019	HK$1.43 B	73.42%
2018	HK$0.82 B	-37.18%
2017	HK$1.31 B

End of Day market cap according to different sources

On Aug 21st, 2026 the market cap of Spero Therapeutics was reported to be:

HK$0.55 Billion

by Nasdaq

HK$0.55 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
IBM IBM	HK$1.740 T	312,430.90%	🇺🇸 USA
Thomson Reuters TRI	HK$358.41 B	64,249.68%	🇨🇦 Canada
Franklin Covey FC	HK$1.79 B	222.54%	🇺🇸 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 Spero Therapeutics (SPRO)

Market cap: HK$0.55 Billion