Quantum-Si (QSI) Shares Outstanding (2020 - 2026)

Quantum-Si (QSI) has 7 years of Shares Outstanding data on file, last reported at $19.9 million in Q1 2026.

• Quarterly Shares Outstanding changed 0.0% year-over-year to $19.9 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $19.9 million (changed 0.0% YoY) and the FY2025 annual result came in at $19.9 million, down 86.43% from the prior year.
• Shares Outstanding held at $19.9 million in Q1 2026 per QSI's latest filing, from $19.9 million in the prior quarter.
• Across five years, Shares Outstanding topped out at $197.2 million in Q1 2026 and bottomed at $19.9 million in Q3 2025.
• The 5-year median for Shares Outstanding is $121.8 million (2023), against an average of $130.6 million.
• The widest annual swing landed in 2023, when Shares Outstanding soared 511.07%; it then plunged 86.43% in 2025.
• Tracing QSI's Shares Outstanding over 5 years: stood at $19.9 million in 2022, then soared by 511.07% to $121.8 million in 2023, then increased by 20.62% to $147.0 million in 2024, then sank by 86.43% to $19.9 million in 2025, then changed by 0.0% to $19.9 million in 2026.
• Per Business Quant, the three latest QSI Shares Outstanding figures stand at $19.9 million (Q1 2026), $19.9 million (Q4 2025), and $195.5 million (Q3 2025).

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