Quantum-Si (QSI)
NASDAQ: QSI
· Real-Time Price · USD
1.72
0.18 (11.69%)
At close: Oct 03, 2025, 3:59 PM
1.71
-0.58%
After-hours: Oct 03, 2025, 07:59 PM EDT
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 |
|---|---|---|
| Sep 29, 2025 | 8-K | Current Report |
| Sep 26, 2025 | S-3 | Filing |
| Sep 26, 2025 | 8-K | Current Report |
| Sep 24, 2025 | 4 | Filing |
| Sep 24, 2025 | 4 | Filing |
| Sep 24, 2025 | 4 | Filing |
| Sep 24, 2025 | 4 | Filing |
| Sep 24, 2025 | 4 | Filing |
| Sep 11, 2025 | SCHEDULE 13D/A | [Amend] Filing |
| Aug 08, 2025 | 8-K | Current Report |