Quantum-Si incorporated (QSI)

Quantum-Si incorporated Employees

Quantum-Si incorporated had 145 employees as of December 31, 2025. The number of employees decreased by 4 or 2.68% compared to the previous year. That makes Quantum-Si incorporated the 29,070th largest employer in the world and 3,705th in the United States.

• Employees: 145
• Change (1Y): -4
• Growth (1Y): -2.68%
• Revenue / Employee: $11,069
• Profits / Employee: -$679,441
• Market Cap: 281.27M

Employees Chart

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Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	145	-4	-2.68%
Dec 31, 2024	149	-10	-6.29%
Dec 31, 2023	159	-37	-18.88%
Dec 31, 2022	196	43	28.10%
Dec 31, 2021	153	75	96.15%
Jun 30, 2021	112	-	-
Mar 31, 2021	115	-	-

Data Source: S&P Global Market Intelligence Last updated: Dec 31, 2025

Employee data is provided by S&P Global Market Intelligence and updates every three months after the filing of each quarterly report.

Update frequency:

Quarterly

Last checked:

Nov 5, 2026

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