Growth Metrics

Quantum-Si (QSI) Shares Outstanding (Diluted Average) (2021 - 2025)

Quantum-Si (QSI) has disclosed Shares Outstanding (Diluted Average) for 5 consecutive years, with $197.8 million as the latest value for Q4 2025.

  • On a quarterly basis, Shares Outstanding (Diluted Average) rose 38.11% to $197.8 million in Q4 2025 year-over-year; TTM through Dec 2025 was $197.8 million, a 38.11% increase, with the full-year FY2025 number at $197.8 million, up 38.11% from a year prior.
  • Shares Outstanding (Diluted Average) was $197.8 million for Q4 2025 at Quantum-Si, down from $209.0 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $209.0 million in Q3 2025 to a low of $5.5 million in Q1 2021.
  • A 5-year average of $136.0 million and a median of $141.2 million in 2023 define the central range for Shares Outstanding (Diluted Average).
  • Peak YoY movement for Shares Outstanding (Diluted Average): surged 2407.35% in 2022, then grew 0.31% in 2024.
  • Quantum-Si's Shares Outstanding (Diluted Average) stood at $79.6 million in 2021, then surged by 74.99% to $139.3 million in 2022, then grew by 1.47% to $141.3 million in 2023, then rose by 1.34% to $143.2 million in 2024, then surged by 38.11% to $197.8 million in 2025.
  • Per Business Quant, the three most recent readings for QSI's Shares Outstanding (Diluted Average) are $197.8 million (Q4 2025), $209.0 million (Q3 2025), and $183.0 million (Q2 2025).