
Quantum-Si (QSI) Market Capitalization Overview
Market Cap: $441.44M as of Oct 28, 2025
$441.44M
Past Month+$139.73M (46.31%)
As of Oct 28, 2025, Quantum-Si (QSI) has a market capitalization of $441.44M. Over the past 30 days, its market cap has increased by 35.19%, while in the last 12 months, it has increased by 14.56%.
Market capitalization represents the total value of Quantum-Si as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Quantum-Si (QSI) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Quantum-Si (QSI) helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of Quantum-Si as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Quantum-Si (QSI) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Quantum-Si (QSI) helps investors assess the company's size and compare it with competitors for better investment decisions.
Quantum-Si (QSI) Market Cap & Key Trends
See Quantum-Si’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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Quantum-Si (QSI) Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| Oct 1, 2025 | $295.65M | +35.19% |
| Sep 2, 2025 | $218.70M | -25.74% |
| Aug 1, 2025 | $294.49M | -15.54% |
| Jul 1, 2025 | $348.65M | +13.10% |
| Jun 2, 2025 | $308.28M | +45.11% |
| May 1, 2025 | $212.45M | -3.33% |
| Apr 1, 2025 | $219.78M | -6.99% |
| Mar 3, 2025 | $236.30M | -28.57% |
| Feb 3, 2025 | $330.81M | -45.59% |
| Jan 2, 2025 | $607.96M | +273.68% |
Quantum-Si (QSI) End of Year Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| 2025 | $441.44M | +14.56% |
| 2024 | $385.33M | +35.26% |
| 2023 | $284.88M | +11.34% |
| 2022 | $255.87M | -76.16% |
| 2021 | $1.08B | +615.57% |
| 2020 | $150.02M | — |
FAQs About Quantum-Si (QSI) Market Cap
As of Oct 28, 2025, the market capitalization of Quantum-Si (QSI) is $441.44M. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, Quantum-Si’s market capitalization has increased by 46.31%, changing from $301.72M to $441.44M as of Oct 28, 2025.
In the last 3 months, Quantum-Si’s market capitalization has increased by —, changing from – to – as of –.
In the year 2024, Quantum-Si’s market capitalization increased from $284.88M in January to $385.33M in December, reflecting a 35.26% change.
In the past five years, Quantum-Si (QSI) has had a compound annual growth rate (CAGR) of 20.76% in market capitalization. This means its market cap has grown at an average rate of 20.76% per year.