Spero Therapeutics (SPRO) - Market capitalization

Market cap: S$0.17 Billion

As of December 2025 Spero Therapeutics has a market cap of S$0.17 Billion. This makes Spero Therapeutics the world's 8969th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	S$0.17 B	124.79%
2024	S$76.32 M	-25.82%
2023	S$0.10 B	-14.31%
2022	S$0.12 B	-82.87%
2021	S$0.70 B	-6.59%
2020	S$0.75 B	201.72%
2019	S$0.24 B	72.08%
2018	S$0.14 B	-35.98%
2017	S$0.22 B

End of Day market cap according to different sources

On Dec 22nd, 2025 the market cap of Spero Therapeutics was reported to be:

S$0.17 Billion

by Nasdaq

S$0.17 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Franklin Covey FC	S$0.26 B	54.67%	🇺🇸 USA
IBM IBM	S$362.22 B	211,012.05%	🇺🇸 USA
Thomson Reuters TRI	S$77.13 B	44,854.33%	🇨🇦 Canada

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: S$0.17 Billion