Quantum-Si logo

Quantum-Si

QSI | NASDAQ
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$0.78
+$0.02 (+3.19%)
Sep 22, 2026, 2:42 PM ET · Market open

Company Profile

Quantum-Si incorporated operates within the life sciences sector, focusing on the creation of an advanced platform for individual molecule detection. This innovative technology is designed to streamline sample preparation and subsequent sequencing processes. The company offers a unique, proprietary single molecule detection system that draws on advancements from the semiconductor industry. This system is specifically applied to the field of proteomics, paving the way for next-generation protein sequencing. Established in 2013, Quantum-Si's headquarters are located in Guilford, Connecticut.

Key Executives

Name Position
Jeffrey Alan Hawkins President, Chief Executive Officer & Director
Jeffry R. Keyes Chief Financial Officer & Treasurer
Todd Rearick Chief Technology Officer
Christian Lapointe General Counsel & Corporate Secretary
John S. Vieceli Chief Product Officer
Jonathan Rothberg Founder & Executive Director
Lindsay Thompson Chief Human Resources Officer

Latest SEC Filings

Date Type Title
Aug 28, 2026 SC 13D/A [Amend] Filing
Aug 13, 2026 10-Q Quarterly Report
Aug 13, 2026 8-K Current Report
Jul 29, 2026 SC 13G/A [Amend] Statement of acquisition of beneficial own...
Jul 24, 2026 8-K Current Report
Jun 24, 2026 4 Filing
Jun 24, 2026 4 Filing
Jun 24, 2026 4 Filing
Jun 24, 2026 4 Filing
Jun 24, 2026 8-K Current Report
View All SEC Filings
Quantum-Si
Quantum-Si logo
Country United States
IPO Date Nov 12, 2020
Industry Medical - Devices
Sector Healthcare
Employees 145
CEO Jeffrey Alan Hawkins

Contact Details

29 Business Park Drive Branford, Connecticut 06405 United States

Stock Details

Ticker Symbol QSI
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001816431
CUSIP Number 74765K105
ISIN Number US74765K1051
SIC Code 3829

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