Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
1.150
-0.070 (-5.74%)
At close: Nov 13, 2026, 4:00 PM EST
1.175
+0.025 (2.21%)
After-hours: Nov 13, 2026, 7:59 PM EST
Quantum-Si incorporated Market Cap
Quantum-Si incorporated has a market cap or net worth of $252.7 million as of November 13, 2026. It is the 19,079th most valuable company in the world and the 3,328th biggest in the United States. Its market cap has decreased by 22.85% in one year.
Market Cap
252.70M
Enterprise Value
106.08M
1-Year Change
-22.85%
Global Rank
Country Rank
#3,328 United States
Category
ChartMarket Cap Chart
Since November 13, 2020, Quantum-Si incorporated's market cap has increased from $146.03M to $252.70M, an increase of 73.05%. That is a compound annual growth rate of 9.57%.
| Date | Market Cap | % Change |
|---|---|---|
| Nov 13, 2026 | 251.72M | 6.19% |
| 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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