Quantum-Si
QSI
#8631
Rank
C$0.28 B
Marketcap
C$1.30
Share price
-2.28%
Change (1 day)
-18.80%
Change (1 year)

Market capitalization of Quantum-Si (QSI)

Market cap: C$0.28 Billion

As of May 2026 Quantum-Si has a market cap of C$0.28 Billion. This makes Quantum-Si the world's 8631th 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 Quantum-Si from 2021 to 2026

End of year Market Cap

Year Marketcap Change
2026C$0.28 B-22.39%
2025C$0.36 B-54.95%
2024C$0.80 B113.23%
2023C$0.37 B8.83%
2022C$0.34 B-74.81%
2021C$1.37 B

End of Day market cap according to different sources

On May 1st, 2026 the market cap of Quantum-Si was reported to be:

C$0.28 Billion
by Nasdaq info icon info icon
C$0.28 Billion
by CompaniesMarketCap info icon info icon