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

$1.35+0.08 (+6.30%)

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QSI Price Action

Last 30 days

-32.5%

Last 90 days

26.2%

Trailing 12 Months

20.5%

QSI RSI Chart

QSI Valuation

Market Cap

282.2M

Price/Earnings (Trailing)

-2.42

Price/Sales (Trailing)

29.23

EV/EBITDA

-2.23

Price/Free Cashflow

-2.68

QSI Price/Sales (Trailing)

The Good, Bad and Ugly

Growth

Profitability

Size

Dilution Risk

Balance Sheet

Momentum

Funds Popularity

Insider Trading

QSI Fundamentals

QSI Revenue

Revenue (TTM)

9.7M

Rev. Growth (Yr)

-4.02%

Rev. Growth (Qtr)

11.59%

QSI Earnings

Earnings (TTM)

-116.8M

Earnings Growth (Yr)

-41.05%

Earnings Growth (Qtr)

-23.81%

QSI Profitability

Operating Margin

84.09%

EBT Margin

-1209.47%

Return on Equity

-49.69%

Return on Assets

-44.92%

Free Cashflow Yield

-37.28%

QSI Investor Care

Shares Dilution (1Y)

47.17%

Diluted EPS (TTM)

-0.67

Revenue & Growth

Historical Charts for Stock Metrics

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Net sales

Year	Q1	Q2	Q3	Q4
2025	10.3M	9.8M	9.7M	0
2024	10.9M	11.3M	11.4M	11.4M
2023	6.7M	8.1M	9.3M	9.5M
2022	3.5M	4.5M	5.1M	5.3M
2021	0	914.3K	1.7M	2.5M
2020	0	0	460.0K	97.0K
2019	0	0	0	823.0K

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About Quantum-Si incorporated

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	Mr. Jeffrey Alan Hawkins
WEBSITE	quantum-si.com
SECTOR	Healthcare
INDUSTRY	Biotechnology
EMPLOYEES	196

Quantum-Si incorporated Frequently Asked Questions

What is the ticker symbol for Quantum-Si incorporated? What does QSI stand for in stocks?

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

What is the market capital of Quantum-Si incorporated (QSI)?

As of Wed Dec 03 2025, market cap of Quantum-Si incorporated is 282.21 Million. The market capitalization is calculated by multiplying the stock price with the number of shares outstanding.

What is the fair value of QSI stock?

You can check QSI's fair value in chart for subscribers.

Is Quantum-Si incorporated a good stock to buy?

The fair value guage provides a quick view whether QSI is over valued or under valued. Whether Quantum-Si incorporated is cheap or expensive depends on the assumptions which impact Quantum-Si incorporated's fair value. We provide several scenarios of inflation and growth to encompass these range of assumptions for QSI.

What is Quantum-Si incorporated's Price to Earnings (PE) and Price to sales (PS) ratio?

As of Wed Dec 03 2025, QSI's PE ratio (Price to Earnings) is -2.42 and Price to Sales (PS) ratio is 29.23. 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.