Logo image of QSI

QUANTUM-SI INC (QSI) Stock Overview

USA - NASDAQ:QSI - US74765K1051 - Common Stock

1.49 USD
-0.02 (-1.32%)
Last: 9/26/2025, 8:25:30 PM
1.3896 USD
-0.1 (-6.74%)
After Hours: 9/26/2025, 8:25:30 PM

QSI Key Statistics, Chart & Performance

Key Statistics
52 Week High5.77
52 Week Low0.61
Market Cap301.73M
Shares202.50M
Float158.90M
Yearly DividendN/A
Dividend YieldN/A
EPS(TTM)-0.68
PEN/A
Fwd PEN/A
Earnings (Next)11-10 2025-11-10/amc
IPO09-04 2020-09-04
Sector
GICS SectorHealth Care
GICS IndustryLife Sciences Tools & Services
GICS IndustryGroupPharmaceuticals, Biotechnology & Life Sciences


QSI short term performance overview.The bars show the price performance of QSI in the last week, last 2 weeks, last month, last 3 and 6 months. 1 week 2 week 1 month 3 months 6 months 0 10 -10 20 -20

QSI long term performance overview.The bars show the price performance of QSI in the last 1, 2 and 3 years. 1 year 2 years 3 years 0 20 -20 40 -40 60

The current stock price of QSI is 1.49 USD. In the past month the price increased by 29.57%. In the past year, price increased by 63.02%.

QUANTUM-SI INC / QSI Daily stock chart

QSI Competitors/Peers

The largest stocks on the US markets in the "Life Sciences Tools & Services" sub-industry
Full List
Symbol
Company Name
TA
FA
PE
Market Cap
TMO THERMO FISHER SCIENTIFIC INC 21.21 175.30B
DHR DANAHER CORP 24.55 132.35B
BRKRP BRUKER CORP - BRKR 6 3/8 09/01/28 122.11 39.83B
A AGILENT TECHNOLOGIES INC 22.64 34.98B
IQV IQVIA HOLDINGS INC 15.65 30.53B
MTD METTLER-TOLEDO INTERNATIONAL 29.45 24.81B
WST WEST PHARMACEUTICAL SERVICES 37.57 18.81B
WAT WATERS CORP 23.85 17.36B
ILMN ILLUMINA INC 22.04 14.09B
MEDP MEDPACE HOLDINGS INC 36.94 13.95B
TEM TEMPUS AI INC N/A 13.63B
ICLR ICON PLC 12.38 12.74B

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 143 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

QUANTUM-SI INC

29 Business Park Drive

Branford CONNECTICUT US

CEO: Kevin Rakin

Employees: 143

QSI Company Website

QSI Investor Relations

Phone: 12034587100

QUANTUM-SI INC / QSI FAQ

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

The current stock price of QSI is 1.49 USD. The price decreased by -1.32% in the last trading session.


What is the ticker symbol for QUANTUM-SI INC stock?

The exchange symbol of QUANTUM-SI INC is QSI and it is listed on the Nasdaq exchange.


On which exchange is QSI stock listed?

QSI stock is listed on the Nasdaq exchange.


What is the price forecast or stock price prediction for QUANTUM-SI INC stock?

7 analysts have analysed QSI and the average price target is 2.72 USD. This implies a price increase of 82.55% is expected in the next year compared to the current price of 1.49. Check the QUANTUM-SI INC stock analysts ratings, price target forecast and up-and down grades for more detailed information.


What is QUANTUM-SI INC worth?

QUANTUM-SI INC (QSI) has a market capitalization of 301.73M USD. This makes QSI a Small Cap stock.


How many employees does QUANTUM-SI INC have?

QUANTUM-SI INC (QSI) currently has 143 employees.


What are the support and resistance levels for QUANTUM-SI INC (QSI) stock?

QUANTUM-SI INC (QSI) has a support level at 1.48 and a resistance level at 1.51. Check the full technical report for a detailed analysis of QSI support and resistance levels.


Is QUANTUM-SI INC (QSI) expected to grow?

The Revenue of QUANTUM-SI INC (QSI) is expected to decline by -5.95% in the next year. Check the estimates tab for more information on the QSI EPS, Sales, EBIT and EBITDA future analyst estimates.


Should I buy QUANTUM-SI INC (QSI) stock?

There is no straightforward answer here. It depends on your investment strategy as different types of investors will look at different aspects. In any case it is important to make an informed decision and these pages can help you forming an opinion:


Does QUANTUM-SI INC (QSI) stock pay dividends?

QSI does not pay a dividend.


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

QUANTUM-SI INC (QSI) will report earnings on 2025-11-10, after the market close.


What is the Price/Earnings (PE) ratio of QUANTUM-SI INC (QSI)?

QUANTUM-SI INC (QSI) does not have a PE ratio as the earnings reported over the last twelve months were negative (-0.68).


What is the Short Interest ratio of QUANTUM-SI INC (QSI) stock?

The outstanding short interest for QUANTUM-SI INC (QSI) is 14.13% of its float. Check the ownership tab for more information on the QSI short interest.


QSI Technical Analysis

ChartMill assigns a technical rating of 6 / 10 to QSI. When comparing the yearly performance of all stocks, QSI is one of the better performing stocks in the market, outperforming 80.26% of all stocks.


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 Financial Highlights

Over the last trailing twelve months QSI reported a non-GAAP Earnings per Share(EPS) of -0.68. The EPS decreased by -7.94% compared to the year before.


Industry RankSector Rank
PM (TTM) N/A
ROA -41.85%
ROE -48.18%
Debt/Equity 0
Chartmill High Growth Momentum
EPS Q2Q%0%
Sales Q2Q%-4.98%
EPS 1Y (TTM)-7.94%
Revenue 1Y (TTM)100.82%

QSI Forecast & Estimates

7 analysts have analysed QSI and the average price target is 2.72 USD. This implies a price increase of 82.55% is expected in the next year compared to the current price of 1.49.

For the next year, analysts expect an EPS growth of 21.76% and a revenue growth -5.95% for QSI


Analysts
Analysts77.14
Price Target2.72 (82.55%)
EPS Next Y21.76%
Revenue Next Year-5.95%

QSI Ownership

Ownership
Inst Owners32.35%
Ins Owners5.03%
Short Float %14.13%
Short Ratio3.36