Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
0.7950
-0.0393 (-4.71%)
At close: Sep 28, 2026, 4:00 PM EDT
0.8300
+0.0350 (4.40%)
After-hours: Sep 28, 2026, 7:59 PM EDT
Quantum-Si incorporated Market Cap
Quantum-Si incorporated has a market cap or net worth of $174.01 million as of September 28, 2026. Its market cap has decreased by -42.33% in one year.
Market Cap
174.01M
Enterprise Value
7.40M
1-Year Change
-42.33%
Ranking
Category
Stock Price
$0.80
ChartMarket Cap Chart
Since November 13, 2020, Quantum-Si incorporated's market cap has increased from $146.03M to $174.01M, an increase of 19.17%. That is a compound annual growth rate of 3.03%.
| Date | Market Cap | % Change |
|---|---|---|
| Sep 28, 2026 | 174.01M | -26.59% |
| Dec 31, 2025 | 237.04M | -38.48% |
| Dec 31, 2024 | 385.32M | 35.26% |
| Dec 29, 2023 | 284.87M | 11.34% |
| Dec 30, 2022 | 255.87M | -76.34% |
| Dec 31, 2021 | 1.08B | 620.90% |
| Dec 30, 2020 | Upgrade Pro | Upgrade Pro |
| Nov 13, 2020 | Upgrade Pro | Upgrade Pro |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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