Also trades as: QSIAW (NASDAQ) · $vol 0M
QSI NASDAQ
Quantum-Si incorporated
1W: +85.8%
1M: +103.7%
3M: +62.9%
YTD: +33.6%
1Y: +6.2%
3Y: -6.6%
5Y: -82.4%
$1.55
+0.12 (+8.39%)
Weekly Expected Move ±20.5%
$1
$1
$2
$2
$2
Overview
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Smart Money Score
Watch
25
Insider—
Congress—
ETF Holdings—
Key Statistics
Market Cap$306.6M
52W Range0.69-3.1
Volume18,621,105
Avg Volume4,148,371
Beta3.25
Dividend—
Analyst Ratings
Company Info
CEOJeffrey Alan Hawkins
Employees145
SectorHealthcare
IndustryMedical - Devices
IPO Date2020-11-13
Websitequantum-si.com
29 Business Park Drive
Branford, CT 06405
US
Branford, CT 06405
US
203 458 7100
About Quantum-Si incorporated
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.
Latest News
Quantum-Si Incorporated $QSI Shares Sold by State Street Corp
Quantum-Si Announces Detection of 18 Amino Acids Using a Developmental Sequencing Kit on Proteus™
Quantum-Si (QSI) Q2 2026 Earnings Call Transcript
Quantum-Si Incorporated (QSI) Reports Q2 Loss, Tops Revenue Estimates
Ambiq Micro, Inc. (AMBQ) Reports Q2 Loss, Tops Revenue Estimates
Recent Insider Trades
| Name | Type | Shares | Price | Date |
|---|---|---|---|---|
| Keyes Jeffry R. | S-Sale | 2,493 | $0.76 | 2026-09-22 |
| LaPointe Christian | S-Sale | 4,721 | $0.76 | 2026-09-22 |
| Hawkins Jeffrey Alan | S-Sale | 9,709 | $0.76 | 2026-09-22 |
| Keyes Jeffry R. | S-Sale | 5,172 | $0.76 | 2026-09-21 |
| LaPointe Christian | S-Sale | 9,795 | $0.76 | 2026-09-21 |