NASDAQ : QSI

Quantum-Si incorporated

$0.7701 USD

-$0.02 (-2.52%)

Volume
2.57M
Average Volume
5.64M
Market Capitalization
$152.34M
P/E Ratio
-1.50
Dividend Yield
0.00%
Price Target
$1.00
Year High
$3.10
Year Low
$0.69
Day High
Day Low
Payout Ratio
$0.00
Current Ratio
$12.60
Company Overview

NASDAQ

Jeffrey Alan Hawkins

Biotechnology

Healthcare

QSI

145

US

USD

203 458 7100

74765K105

0001816431

Liquidity Metrics

0.02

12.60

12.40

3.38

0.00

Sales & Valuation

$2.44M

82.26

0.83

-1.59

-0.44

Profitability

-$0.51

-$101.34M

-5605.89%

-5609.94%

-47.35%

-48.66%

P/E Metrics

-1.50

-0.06

-0.06

Analyst Price Target & Rating

$1.00

$1.00

$1.00

Sell

2/5

2 Analysts

-22.99%

Financial Health Scores

1.75

1/9

$124.26M

$213.35M

$12.6M

-$96.3M

Key Metrics (TTM)

$119.85M

64.72

-1.31

12.60

-47.35%

-47.06%

-62.28%

-62.81%

172 days

Company Executives
Name Title
Jeffry R. Keyes Chief Financial Officer & Treasurer
Christian Lapointe General Counsel & Corporate Secretary
John S. Vieceli Chief Product Officer
Jonathan Rothberg Founder & Executive Director
Lindsay Thompson Chief Human Resources Officer
Todd Rearick Chief Technology Officer
Jeffrey Alan Hawkins President, Chief Executive Officer & Director
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About Quantum-Si incorporated (NASDAQ:QSI) Stock

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. ...

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

2026-06-16 16:05:00

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4).

Quantum-Si and Cell Signaling Technology Partner to Advance Post-Translational Modification Analysis on Proteus™

2026-06-10 08:00:00

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si and Cell Signaling Technology Partner to Advance Post-Translational Modification Analysis on Proteus™.

Quantum-Si Announces the Expansion of the Proteus™ Roadshow

2026-06-03 09:00:00

[url="]Quantum-Si Incorporated[/url] (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analy

Quantum-Si Announces the Expansion of the Proteus™ Roadshow

2026-06-03 08:00:00

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces the Expansion of the Proteus™ Roadshow.

euNetworks launches new quantum-safe private connectivity service powered by Adtran's encrypted optical transport technology

2026-05-27 04:00:00

LONDON--(BUSINESS WIRE)-- #5G--Adtran and euNetworks today announced their collaboration on the launch of a new quantum-safe private connectivity service, Quantum Shield. euNetworks has developed Quantum Shield using Adtran's optical transport technology to augment its broader architecture, which is designed to deliver secure, scalable data center connectivity across euNetworks' pan-European network. The new offering is built for enterprises with stringent security, performance and customer-controlle.

Quantum-Si incorporated (QSI) Shareholder/Analyst Call Prepared Remarks Transcript

2026-05-15 14:30:46

Quantum-Si incorporated (QSI) Shareholder/Analyst Call Prepared Remarks Transcript

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

2026-05-13 21:00:00

[url="]Quantum-Si Incorporated[/url] (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

2026-05-13 20:00:00

BRANFORD, Conn.--(BUSINESS WIRE)--Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4).

Frequently Asked Questions

What is the current Quantum-Si incorporated (QSI) stock price?

Quantum-Si incorporated(NASDAQ:QSI) stock price is $0.7701 in the last trading session. During the trading session, QSI stock reached the peak price of $3.1 while $0.691 was the lowest point it dropped to. The percentage change in QSI stock occurred in the recent session was --2.52% while the dollar amount for the price change in QSI stock was -$0.02.

QSI's industry and sector of operation?

The NASDAQ listed QSI is part of Biotechnology industry that operates in the broader Healthcare sector.

Who are the executives of QSI?

Jeffry R. Keyes | Chief Financial Officer & Treasurer
Christian Lapointe | General Counsel & Corporate Secretary
John S. Vieceli | Chief Product Officer
Jonathan Rothberg | Founder & Executive Director
Lindsay Thompson | Chief Human Resources Officer

How many employees does QSI have?

Number of QSI employees currently stands at 145. QSI operates from 29 Business Park Drive, Branford, CT 06437, US.

Link for QSI official website?

Official Website of QSI is: https://www.quantum-si.com

How do I contact QSI?

QSI could be contacted at phone #203 458 7100 and can also be accessed through its website. QSI operates from 29 Business Park Drive, Branford, CT 06437, US.

How many shares of QSI are traded daily?

The average number of QSI shares traded daily for last 3 months was 5.64M.

What is the market cap of QSI currently?

The market value of QSI currently stands at $152.34M with its latest stock price at $0.7701