Quantum-Si QSI
Employee Count
Total number of employees at Quantum-Si (QSI) and historical employee count data
143Current Employees▼ -22 (-13.33%) YoY
Quantum-Si total employee count in 2025 was 143, a -22 (-13.33%) decline from 2024.
Quantum-Si total employee count in 2024 was 165, a -37 (-18.32%) decline from 2023. Revenue per employee was $13,733.
Quantum-Si total employee count in 2023 was 202, a +49 (+32.03%) increase from 2022.
Quantum-Si total employee count in 2022 was 153, a +151 (+7550.00%) increase from 2021.