Company Description

Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS).

The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer’s protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS.

It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results.

The company was founded in 2013 and is headquartered in Branford, Connecticut.

Quantum-Si incorporated

Country	United States
Founded	2013
Industry	Medical Devices
Sector	Healthcare
Employees	145
CEO	Jeffrey Hawkins

Contact Details

Address: 29 Business Park Drive Branford, Connecticut 06405 United States
Phone	866 688 7374
Website	quantum-si.com

Stock Details

Ticker Symbol	QSI
Exchange	NASDAQ
Stock Type	Common Stock
Share Class	Class A Shares
Fiscal Year	January - December
Reporting Currency	USD
CIK Code	1816431
CUSIP Number	74765K105
ISIN Number	US74765K1051
Employer ID	85-1388175
SIC Code	3829

Key Executives

Name	Position
Jeffrey Alan Hawkins	President, Chief Executive Officer and Director
Dr. Jonathan M. Rothberg Ph.D.	Founder and Executive Director

Latest SEC Filings

Date	Type	Title
Aug 28, 2026	SCHEDULE 13D/A	Filing
Aug 13, 2026	10-Q	Quarterly Report
Aug 13, 2026	8-K	Current Report
Jul 29, 2026	SCHEDULE 13G/A	Filing
Jul 24, 2026	8-K	Current Report
Jun 24, 2026	144	Filing
Jun 24, 2026	144	Filing
Jun 24, 2026	144	Filing
Jun 24, 2026	144	Filing
Jun 24, 2026	8-K	Current Report

View All SEC Filings