Quantum-Si reports Q3 2025 revenue of $552K, net loss $35.7M; Proteus prototype sequencing successful

Quantum-Si Inc

2025-Q3 EPS reported -$0.44 revenue$1,985,000

Revenue $552K; gross profit $194K, gross margin 35%.
Net loss $35.7M vs $25.3M YoY; adjusted EBITDA -$20.1M vs -$24.5M YoY.
Successfully demonstrated sequencing on prototype Proteus system; development on track for H2 2026 launch.
Launched v4 Sequencing Kit in early Sept; v3 Library Prep Kit for low-input samples on track for year-end 2025.
Adjusted total operating expenses $21.4M, down from $26.0M YoY; company manages costs while funding Proteus.

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