Quantum-Si (QSI) - P/B ratio

P/B ratio as of February 2026 : 0.8356

According to Quantum-Si's latest financial reports the company has a price-to-book ratio of 61.8524.
The price-to-book ratio is a way to measure how much the stock market thinks a company is worth compared to how much the company says its assets are worth on paper.

Quantum-Si - P/B ratio (from 2021 to 2025)

P/B ratio by year

Year	P/B ratio	Change
2025-12-31	1.06	-59.22%
2024-12-31	2.61	148.51%
2023-12-31	1.05	47.03%
2022-12-31	0.7133	-68.54%
2021-12-31	2.27
2020-12-31	N/A

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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