Spero Therapeutics (SPRO) - Market capitalization

Market cap: C$0.18 Billion

As of December 2025 Spero Therapeutics has a market cap of C$0.18 Billion. This makes Spero Therapeutics the world's 8978th 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	C$0.18 B	123.83%
2024	C$80.57 M	-22.02%
2023	C$0.10 B	-14.98%
2022	C$0.12 B	-81.61%
2021	C$0.66 B	-8.63%
2020	C$0.72 B	200.18%
2019	C$0.24 B	67.19%
2018	C$0.14 B	-32.09%
2017	C$0.21 B

End of Day market cap according to different sources

On Dec 19th, 2025 the market cap of Spero Therapeutics was reported to be:

C$0.18 Billion

by Nasdaq

C$0.18 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Franklin Covey FC	C$0.29 B	63.26%	🇺🇸 USA
IBM IBM	C$388.21 B	215,141.93%	🇺🇸 USA
Thomson Reuters TRI	C$82.10 B	45,422.22%	🇨🇦 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: C$0.18 Billion