Quantum-Si incorporated (QSI)
NASDAQ: QSI · Real-Time Price · USD
1.170
+0.010 (0.86%)
At close: Aug 13, 2025, 4:00 PM
1.190
+0.020 (1.71%)
Pre-market: Aug 14, 2025, 9:26 AM EDT

Company Description

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS).

The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument.

It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results.

Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications.

Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.

Quantum-Si incorporated
Quantum-Si incorporated logo
Country United States
Founded 2013
Industry Medical Devices
Sector Healthcare
Employees 149
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 0001816431
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
Jeffry R. Keyes CPA Chief Financial Officer and Treasurer
Todd C. Bennett Chief Commercial Officer
Todd Rearick Chief Technology Officer
Dr. Christian Lapointe J.D., Ph.D. General Counsel and Corporate Secretary
Lindsay Thompson Chief Human Resources Officer
Katherine Atkinson Senior Vice President of Demand Generation and Corporate Brand
Dr. John S. Vieceli Ph.D. Chief Product Officer

Latest SEC Filings

Date Type Title
Aug 8, 2025 8-K Current Report
Aug 5, 2025 10-Q Quarterly Report
Aug 5, 2025 8-K Current Report
Jul 29, 2025 SCHEDULE 13G Filing
Jul 7, 2025 8-K Current Report
Jul 7, 2025 424B5 Filing
Jul 7, 2025 424B5 Filing
Jun 6, 2025 SCHEDULE 13G/A Filing
May 22, 2025 SD Form - SD
May 19, 2025 8-K Current Report