Quantum-Si (QSI)
NASDAQ: QSI
· Real-Time Price · USD
1.14
0.02 (1.79%)
At close: Aug 15, 2025, 10:05 AM
Company Description
Quantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing.
It offers a proprietary single molecule detection platform for use in semiconductor industry to field proteomics to enable next generation protein sequencing.
The company was incorporated in 2013 is based in Guilford, Connecticut.
Quantum-Si

Country | United States |
IPO Date | Nov 13, 2020 |
Industry | Biotechnology |
Sector | Healthcare |
Employees | 149 |
CEO | Jeffrey Alan Hawkins |
Contact Details
Address: 530 Old Whitfield Street Guilford, Connecticut United States | |
Website | https://www.quantum-si.com |
Stock Details
Ticker Symbol | QSI |
Exchange | NASDAQ |
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 & Director |
Jeffry R. Keyes CPA | Chief Financial Officer & Treasurer |
Todd Rearick | Chief Technology Officer |
Dr. Christian Lapointe J.D., Ph.D. | General Counsel & Corporate Secretary |
Dr. John S. Vieceli Ph.D. | Chief Product Officer |
Dr. Jonathan M. Rothberg Ph.D. | Founder & Executive Director |
Katherine Atkinson | Senior Vice President of Demand Generation & Corporate Brand |
Lindsay Thompson | Chief Human Resources Officer |
Todd C. Bennett | Chief Commercial Officer |
Latest SEC Filings
Date | Type | Title |
---|---|---|
Aug 08, 2025 | 8-K | Current Report |
Aug 05, 2025 | 10-Q | Quarterly Report |
Aug 05, 2025 | 8-K | Current Report |
Jul 29, 2025 | SCHEDULE 13G | Filing |
Jul 07, 2025 | 8-K | Current Report |
Jul 07, 2025 | 424B5 | Filing |
Jul 07, 2025 | 424B5 | Filing |
Jun 24, 2025 | 4 | Filing |
Jun 24, 2025 | 4 | Filing |
Jun 24, 2025 | 4 | Filing |