Quantum-Si reports Q2 2026 financial results and updates Proteus timeline
The company extends its launch to Q2 2027, cuts 20% of staff, and raises cash runway into late 2028.
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Single-molecule protein sequencing technology company
quantum-si.com- Headquarters
- Branford, United States
- Founded year
- 2013
- Company type
- Public company
- Number of employees
- 160–200
- Industry
- Biotechnology & Medical Research
Last updated
Latest news about Quantum-Si
In short: Quantum-Si advanced its Proteus platform toward a 2027 launch, regained Nasdaq compliance, and reported financial results.
Company announcements
Quantum-Si reports fourth quarter and full year 2025 financial results
The company posted $2.4 million in annual revenue, announced a $425,000 list price for its Proteus platform, and provided 2026 guidance targeting approximately $1 million in revenue.
Quantum-Si updates Proteus roadmap with 2026 launch timeline
The company targets end-of-2026 for Proteus launch. It demonstrates superior sequencing output and expands amino acid detection capabilities alongside new partnerships.
Quantum-Si reports Q3 2025 results with $552k revenue
The company achieved a net loss of $35.7 million and reported on successful Proteus prototype sequencing runs alongside an upcoming investor day.
Media coverage
Quantum-Si: Protein Sequencing Technology on a Chip
Quantum-Si develops semiconductor chip based protein sequencing instruments for researchers, and attention on the life sciences tools company has grown.
Why Is QSI Stock Dropping Today? Quantum-Si Falls After Proteus Platform Launch Delay
- Quantum-Si QSI-10.13% delayed its Proteus platform launch to Q2 2027 due to manufacturing consistency issues, causing a ...
Quantum-Si Presents Interim Proteus™ Data at World HUPO 2026 Demonstrating a Significant Step Change in Performance Compared to Platinum® Pro
Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced interim ...
Quantum-Si Unveils Proteus Platform and New Partnerships at Event
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Incorporated (Nasdaq: QSI) ("Quantum-Si," "QSI" or the "Company"), The Protein Sequencing Company™, today announced the highlights of an Investor & Analyst event...
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