QUANTUM-SI INC (QSI) Stock Price & Overview

NASDAQ:QSI • US74765K1051

Current stock price

0.8451 USD
-0.02 (-1.88%)
At close:
0.869 USD
+0.02 (+2.83%)
After Hours:

The current stock price of QSI is 0.8451 USD. Today QSI is down by -1.88%. In the past month the price decreased by -10.17%. In the past year, price decreased by -41.92%.

QSI Key Statistics

52-Week Range0.8305 - 3.1
Current QSI stock price positioned within its 52-week range.
1-Month Range0.8305 - 1.1
Current QSI stock price positioned within its 1-month range.
Market Cap
182.854M
P/E
N/A
Fwd P/E
N/A
EPS (TTM)
-0.52
Dividend Yield
N/A

QSI Stock Performance

Today
-1.88%
1 Week
-11.00%
1 Month
-10.17%
3 Months
-33.46%
Longer-term
6 Months -43.66%
1 Year -41.92%
2 Years -57.10%
3 Years -51.98%
5 Years N/A
10 Years N/A

QSI Stock Chart

QUANTUM-SI INC / QSI Daily stock chart

QSI Technical Analysis

ChartMill assigns a technical rating of 0 / 10 to QSI. When comparing the yearly performance of all stocks, QSI is a bad performer in the overall market: 91.07% of all stocks are doing better.


Chartmill TA Rating
Chartmill Setup Rating

QSI Fundamental Analysis

ChartMill assigns a fundamental rating of 3 / 10 to QSI. While QSI has a great health rating, there are worries on its profitability.


Chartmill FA Analysis
Valuation
Growth
Profitability
Health
Dividend

QSI Earnings

On March 3, 2026 QSI reported an EPS of -0.08 and a revenue of 451.00K. The company beat EPS expectations (35.78% surprise) and missed revenue expectations (-41.4% surprise).

Next Earnings DateMay 13, 2026
Last Earnings DateMar 3, 2026
PeriodQ4 / 2025
EPS Reported-$0.08
Revenue Reported451K
EPS Surprise 35.78%
Revenue Surprise -41.40%

QSI Forecast & Estimates

7 analysts have analysed QSI and the average price target is 2.72 USD. This implies a price increase of 221.86% is expected in the next year compared to the current price of 0.8451.

For the next year, analysts expect an EPS growth of 8.06% and a revenue growth 159.68% for QSI


Analysts
Analysts77.14
Price Target2.72 (221.86%)
EPS Next Y8.06%
Revenue Next Year159.68%

QSI Groups

Sector & Classification

QSI Financial Highlights

Over the last trailing twelve months QSI reported a non-GAAP Earnings per Share(EPS) of -0.52. The EPS increased by 26.76% compared to the year before.


Income Statements
Revenue(TTM)2.44M
Net Income(TTM)-101.34M
Industry RankSector Rank
PM (TTM) N/A
ROA -41.26%
ROE -46.02%
Debt/Equity 0
Chartmill High Growth Momentum
EPS Q2Q%65.22%
Sales Q2Q%-62.16%
EPS 1Y (TTM)26.76%
Revenue 1Y (TTM)-20.34%

QSI Ownership

Ownership
Inst Owners32.67%
Shares216.37M
Float172.33M
Ins Owners4.61%
Short Float %12.28%
Short Ratio4.69

QSI Latest News, Press Relases and Analysis

About QSI

Company Profile

QSI logo image Quantum-Si, Inc. is a life sciences company focused on revolutionizing the growing field of proteomics. The company is headquartered in Branford, Connecticut and currently employs 145 full-time employees. The company went IPO on 2020-09-04. The firm has designed and developed a hardware, consumable and software solution to provide a solution for protein detection and analysis. The company has developed a proprietary universal single-molecule detection platform enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins. Its launched product consists of Platinum, the Platinum Analysis Software and consumables. Its flagship protein sequencing instrument, Platinum, is designed to make the power of single-molecule detection and NGPS accessible. Platinum is designed to provide a streamlined workflow compared to legacy MS workflows. Platinum uses its proprietary semiconductor chip that leverages time-domain sequencing with an initial focus on NGPS for an unbiased view of the proteome.

Company Info

IPO: 2020-09-04

QUANTUM-SI INC

29 Business Park Drive

Branford CONNECTICUT US

CEO: Kevin Rakin

Employees: 145

QSI Company Website

QSI Investor Relations

Phone: 12034587100

QUANTUM-SI INC / QSI FAQ

What does QUANTUM-SI INC do?

Quantum-Si, Inc. is a life sciences company focused on revolutionizing the growing field of proteomics. The company is headquartered in Branford, Connecticut and currently employs 145 full-time employees. The company went IPO on 2020-09-04. The firm has designed and developed a hardware, consumable and software solution to provide a solution for protein detection and analysis. The company has developed a proprietary universal single-molecule detection platform enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins. Its launched product consists of Platinum, the Platinum Analysis Software and consumables. Its flagship protein sequencing instrument, Platinum, is designed to make the power of single-molecule detection and NGPS accessible. Platinum is designed to provide a streamlined workflow compared to legacy MS workflows. Platinum uses its proprietary semiconductor chip that leverages time-domain sequencing with an initial focus on NGPS for an unbiased view of the proteome.


What is the stock price of QUANTUM-SI INC today?

The current stock price of QSI is 0.8451 USD. The price decreased by -1.88% in the last trading session.


Does QUANTUM-SI INC pay dividends?

QSI does not pay a dividend.


What is the ChartMill rating of QUANTUM-SI INC stock?

QSI has a ChartMill Technical rating of 0 out of 10 and a ChartMill Fundamental rating of 3 out of 10.


Which stock exchange lists QSI stock?

QSI stock is listed on the Nasdaq exchange.


When does QUANTUM-SI INC (QSI) report earnings?

QUANTUM-SI INC (QSI) will report earnings on 2026-05-13.