Quantum-Si
QSI
#8394
Rank
S$0.28 B
Marketcap
S$1.32
Share price
-5.05%
Change (1 day)
-46.81%
Change (1 year)

Market capitalization of Quantum-Si (QSI)

Market cap: S$0.28 Billion

As of February 2026 Quantum-Si has a market cap of S$0.28 Billion. This makes Quantum-Si the world's 8394th 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
2026S$0.28 B-16.64%
2025S$0.34 B-55.41%
2024S$0.76 B102.85%
2023S$0.37 B9.68%
2022S$0.34 B-76.54%
2021S$1.46 B

End of Day market cap according to different sources

On Feb 3rd, 2026 the market cap of Quantum-Si was reported to be:

S$0.29 Billion
by Nasdaq info icon info icon
S$0.29 Billion
by CompaniesMarketCap info icon info icon