Quantum-Si
QSI
#8497
Rank
$0.18 B
Marketcap
$0.88
Share price
2.11%
Change (1 day)
-24.79%
Change (1 year)

Market capitalization of Quantum-Si (QSI)

Market cap: $0.18 Billion USD

As of March 2026 Quantum-Si has a market cap of $0.18 Billion USD. This makes Quantum-Si the world's 8497th 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
2026$0.18 B-28.46%
2025$0.26 B-52.79%
2024$0.56 B97.09%
2023$0.28 B11.34%
2022$0.25 B-76.34%
2021$1.08 B

End of Day market cap according to different sources

On Mar 8th, 2026 the market cap of Quantum-Si was reported to be:

$0.18 Billion USD
by Nasdaq info icon info icon
$0.18 Billion USD
by CompaniesMarketCap info icon info icon