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ALL
Market cap
$196505026
EPS
-0.67
P/E ratio
--
Price to sales
63.81
Dividend yield
--
Beta
3.151873
Previous close
$0.94
Today's open
$0.94
Day's range
$0.90 - $0.95
52 week range
$0.89 - $3.10
show more
CEO
Jeffrey Hawkins
Employees
149
Headquarters
Branford, CT
Exchange
NASDAQ Global Market
Shares outstanding
215489665
Issue type
Common Stock
Healthcare
Biotechnology & Life Sciences
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4).
Business Wire • Feb 13, 2026

Quantum-Si to Report Fourth Quarter and Full Year 2025 Financial Results on March 3, 2026
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si to Report Fourth Quarter and Full Year 2025 Financial Results on March 3, 2026.
Business Wire • Feb 10, 2026

Quantum-Si Announces the Release of Two New Manuscripts Demonstrating the Value of Single-Molecule Protein Sequencing in Clinical Proteomics and Pathogen & Toxin Detection
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces the Release of Two New Manuscripts.
Business Wire • Feb 5, 2026

Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements.
Business Wire • Dec 22, 2025

Quantum-Si Highlights Significant Development Advancements for Proteus™ and Industry Leading Technology Pipeline at Investor & Analyst Day
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Highlights Significant Development Advancements for ProteusTM and Industry Leading Technology Pipeline at Investor & Analyst Day.
Business Wire • Nov 20, 2025

Quantum-Si incorporated (QSI) Analyst/Investor Day Transcript
Quantum-Si incorporated ( QSI ) Analyst/Investor Day November 19, 2025 10:00 AM EST Company Participants Jeffrey Hawkins - President, CEO & Director Todd Rearick - Chief Technology Officer John Vieceli - Chief Product Officer Brian Reed Conference Call Participants Kyle Mikson - Canaccord Genuity Corp., Research Division Swayampakula Ramakanth - H.C. Wainwright & Co, LLC, Research Division Scott Henry - Alliance Global Partners, Research Division Puneet Souda - Leerink Partners LLC, Research Division Presentation Jeffrey Hawkins President, CEO & Director All right.
Seeking Alpha • Nov 19, 2025

Quantum-Si to Highlight Significant Proteus™ Platform Development Progress and Provide Insights into the Company's Industry Leading Technology Pipeline at Investor & Analyst Day
BRANFORD, Conn.--(BUSINESS WIRE)--QSI to Highlight Significant Proteus™ Platform Dev Progress & Provide Insights into Company's Industry Leading Tech Pipeline at Investor & Analyst Day.
Business Wire • Nov 19, 2025

Quantum-Si incorporated (QSI) Q3 2025 Earnings Call Transcript
Quantum-Si incorporated ( QSI ) Q3 2025 Earnings Call November 5, 2025 4:30 PM EST Company Participants Risa Lindsay Jeffrey Hawkins - President, CEO & Director Jeffry Keyes - CFO & Treasurer Conference Call Participants Alexander Vukasin - Canaccord Genuity Corp., Research Division Scott Henry - Alliance Global Partners, Research Division Swayampakula Ramakanth - H.C. Wainwright & Co, LLC, Research Division Presentation Operator Good day, and thank you for standing by.
Seeking Alpha • Nov 6, 2025

Quantum-Si Reports Third Quarter 2025 Financial Results
BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Reports Third Quarter 2025 Financial Results. Announces Successful Sequencing on Prototype Proteus Unit, Development Program is On-Track.
Business Wire • Nov 5, 2025

Quantum-Si Incorporated (QSI) Reports Q3 Loss, Lags Revenue Estimates
Quantum-Si Incorporated (QSI) came out with a quarterly loss of $0.17 per share in line with the Zacks Consensus Estimate. This compares to a loss of $0.18 per share a year ago.
Zacks Investment Research • Nov 6, 2025

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