Quantum-Si (QSI) Tax Rate (2024 - 2026)

Quantum-Si (QSI) has 3 years of Tax Rate data on file, last reported at 0.56% in Q1 2026.

• Quarterly Tax Rate rose 62.0% year-over-year to 0.56% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 0.07% (up 14.0% YoY) and the FY2025 annual result came in at 0.06%, changed 0.0% from the prior year.
• Tax Rate grew to 0.56% in Q1 2026 per QSI's latest filing, from 0.05% in the prior quarter.
• Across five years, Tax Rate topped out at 0.56% in Q1 2026 and bottomed at 0.17% in Q3 2024.
• The 3-year median for Tax Rate is 0.05% (2025), against an average of 0.02%.
• The widest annual swing landed in 2025, when Tax Rate fell 1 bps; it then jumped 62 bps in 2026.
• Tracing QSI's Tax Rate over 3 years: stood at 0.04% in 2024, then retreated by 16 bps to 0.05% in 2025, then surged by 1332 bps to 0.56% in 2026.
• Per Business Quant, the three latest QSI Tax Rate figures stand at 0.56% (Q1 2026), 0.05% (Q4 2025), and 0.05% (Q3 2025).

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