Quantum-Si Inc (QSI) stock chart

QSINasdaqMeasuring & Controlling Devices, NECFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 7/30

$1.15−0.07 (-5.74%)

Close on Nov 13, 2026Market cap $251.72MP/E –Yield –

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