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QSI

QSI - Quantum-Si incorporated Stock Price, Fair Value and News

$0.95-0.02 (-2.06%)
Market Closed as of 12 Jun 2026, 04:00 pm ET

33/100

QSI

STOCK SCORE

High Scoring Large Cap stocks have outperformed low scoring stocks by 90% over last 10 years

33/100

QSI

STOCK SCORE

High Scoring Large Cap stocks have outperformed low scoring stocks by 90% over last 10 years

Price Targets

Target 1Y

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Target 6M

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QSI Stock Valuation Analysis

Valuation

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QSI Price Action

Last 7 days

-9.5%

Last 30 days

2.2%

Trailing 12 Months

-46.9%

QSI RSI Chart

QSI Stock Valuation Analysis

Valuation

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QSI Valuation

Market Cap

205.6M

Price/Earnings (Trailing)

-1.98

Price/Sales (Trailing)

111.04

EV/EBITDA

-1.71

Price/Free Cashflow

-2.15

QSI Price/Sales (Trailing)

The Good, Bad and Ugly

Growth

Profitability

Size

Dilution Risk

Balance Sheet

Momentum

Funds Popularity

Insider Trading

Price Targets

Target 1Y

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Target 6M

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QSI Fundamentals

QSI Revenue

Revenue (TTM)

1.9M

Rev. Growth (Yr)

-69.36%

Rev. Growth (Qtr)

-42.79%

QSI Earnings

Earnings (TTM)

-103.8M

Earnings Growth (Yr)

-12.93%

Earnings Growth (Qtr)

-23.05%

QSI Profitability

Operating Margin

40.01%

EBT Margin

-5609.94%

Return on Equity

-51.72%

Return on Assets

-48.66%

Free Cashflow Yield

-46.53%

QSI Investor Care

Shares Dilution (1Y)

18.74%

Diluted EPS (TTM)

-0.5

Historical Charts for Stock Metrics

Get all data in R, Python etc through our Historical Stock Data APIs
Net sales
YearQ1Q2Q3Q4
20261.9M000
20253.4M3.4M3.2M2.4M
20241.3M1.7M2.3M3.1M
20234.7M3.9M2.7M1.1M
20223.5M4.5M5.1M5.3M
20210914.3K1.7M2.5M
202000460.0K97.0K
2019000823.0K
Get all data in R, Python etc through our Historical Stock Data APIs

About Quantum-Si incorporated

QSI
Quantum-Si incorporated, a life sciences company, engages in the development of protein detection platform to enable Next Generation Protein Sequencing (NGPS). The company's platform is comprised of the Carbon automated sample preparation instrument; the Platinum single-molecule detection and NGPS instrument with Time-Domain Sequencing chip; the Quantum-Si Cloud data analysis software; and reagent kits for use with its instruments. The company was founded in 2013 is based in Guilford, Connecticut.
 CEO
 WEBSITEquantum-si.com
 SECTORHealthcare
 INDUSTRYBiotechnology
 EMPLOYEES196

Quantum-Si incorporated Frequently Asked Questions

QSI is the stock ticker symbol of Quantum-Si incorporated. Every public company that trades on a stock exchange gets a ticker symbol.

As of Fri Jun 12 2026, market cap of Quantum-Si incorporated is 205.65 Million. The market capitalization is calculated by multiplying the stock price with the number of shares outstanding.

As of Fri Jun 12 2026, QSI's PE ratio (Price to Earnings) is -1.98 and Price to Sales (PS) ratio is 111.04. The price to earnings and price to sales ratio are two most important valuation metrics for any company. PE ratio tell us the number of years of earnings investors are ready to pay for owning the company. Historically, S&P500 price to earnings ratio has fallen below 12 during periods of gloom and gone past 30 during periods of euphoria. QSI PE ratio will change depending on the future growth rate expectations of investors.