- English (USA)
- English (UK)
- English (India)
- English (Canada)
- English (Australia)
- English (South Africa)
- English (Philippines)
- Deutsch
- Español (España)
- Español (México)
- Français
- Italiano
- Nederlands
- Polski
- Português (Portugal)
- Português (Brasil)
- Русский
- Türkçe
- العربية
- Ελληνικά
- Svenska
- Suomi
- עברית
- 日本語
- 한국어
- 简体中文
- 繁體中文
- Bahasa Indonesia
- Bahasa Melayu
- ไทย
- Tiếng Việt
- हिंदी
QuantumSi Inc (QSI)
QuantumSi Inc stock price live, this page displays NASDAQ QSI stock exchange data. View the QSI premarket stock price ahead of the market session or assess the after hours quote. Monitor the latest movements within the QuantumSi Inc real time stock price chart below.
What Is the QuantumSi Inc Stock Price Today?
The QuantumSi Inc stock price today is 1.270.
What Is the Stock Symbol for QuantumSi Inc?
The stock symbol for QuantumSi Inc is ""QSI.""
What Stock Exchange Does QuantumSi Inc Trade On?
QuantumSi Inc is listed and trades on the NASDAQ stock exchange.
Is QuantumSi Inc a Good Stock to Buy?
Determining whether QuantumSi Inc—or any stock—is a good buy requires comprehensive analysis. To evaluate its potential, users can sign up to InvestingPro, where they can assess stock price fair value and other essential metrics.
You can find more details by visiting the additional pages to view historical data, charts, latest news, analysis or visit the forum to view opinions on the QSI quote. (ISIN: US74765K1051)
What Is the QuantumSi Inc Stock Price Today?
The QuantumSi Inc stock price today is 1.270.
What Is the Stock Symbol for QuantumSi Inc?
The stock symbol for QuantumSi Inc is ""QSI.""
What Stock Exchange Does QuantumSi Inc Trade On?
QuantumSi Inc is listed and trades on the NASDAQ stock exchange.
Is QuantumSi Inc a Good Stock to Buy?
Determining whether QuantumSi Inc—or any stock—is a good buy requires comprehensive analysis. To evaluate its potential, users can sign up to InvestingPro, where they can assess stock price fair value and other essential metrics.
You can find more details by visiting the additional pages to view historical data, charts, latest news, analysis or visit the forum to view opinions on the QSI quote. (ISIN: US74765K1051)
NASDAQ
Currency in USD
1.270
-0.060(-4.51%)
Closed·
After Hours
1.2700.000(0.00%)
·
Fair Value
An estimate of a QuantumSi's true price based on valuation models like discounted cash flow, peer valuation multiples, and dividend discount models.
Day's Range
1.260
1.345
52 wk Range
0.612
5.770
QSI Scorecard
Full Analysis
Holds more cash than debt on its balance sheet
QSI is not included in our AI-picked strategies. See which stocks are.
Fair Value
An estimate of a QuantumSi's true price based on valuation models like discounted cash flow, peer valuation multiples, and dividend discount models.
Day's Range
1.2601.345
52 wk Range
0.6125.770
Key Statistics
Edit
Prev. Close
Open
Volume
Average Volume (3m)
1-Year Change
Book Value / Share
Fair Value
UnlockFair Value Upside
UnlockMarket Cap
Shares Outstanding
Revenue
Net Income
EPS
EPS Growth Forecast
UnlockNext Earnings Date
N/A
(N/A)
Dividends Payment Streak
UnlockP/E Ratio
Return on Assets
Return on Equity
Gross Profit Margin
Price/Book
EBITDA
EV/EBITDA
Beta
Prev. Close
Open
Volume
Average Volume (3m)
1-Year Change
Book Value / Share
Fair Value
UnlockFair Value Upside
UnlockMarket Cap
Shares Outstanding
Revenue
Net Income
EPS
EPS Growth Forecast
UnlockNext Earnings Date
N/A
(N/A)
Dividends Payment Streak
UnlockP/E Ratio
Return on Assets
Return on Equity
Gross Profit Margin
Price/Book
EBITDA
EV/EBITDA
Beta
QSI Scorecard
Company’s Health
Assesses a company's financial position by analysing its market value, financial ratios, industry benchmarks, and competitors.
UnlockFair Value
An estimate of a QuantumSi's true price based on valuation models like discounted cash flow, peer valuation multiples, and dividend discount models.
Unlock PriceTechnical Analysis
Strong Sell
Price Target
2.667
Upside
+109.97%
Members' Sentiments
Bearish
Bullish
ProTips
Tips that distill complex financial data into concise, actionable investment insights.
RSI suggests the stock is in oversold territory
- Quantum-Si CFO Keyes sells $13,918 in shares
- Investing.com
- Form 8K QuantumSi Inc For: 7 July
- Investing.com
- Form 8K QuantumSi Inc For: 7 July
- Investing.com
Technical Analysis
Summary
Strong Sell
Sell
Neutral
Buy
Strong Buy
Strong Sell
Technical Indicators
Strong Sell
Moving Averages
Strong Sell
QuantumSi Inc Company Profile
Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.
QuantumSi Inc Earnings Call Summary for Q2/2025
- Q2 2025 EPS of -$0.16 missed forecast, revenue of $591,000 exceeded expectations by 15.7%, stock up 0.69% after hours
- Strong cash position of $214.2M, revenue growth of 168% YoY, but challenges in academic lab funding noted
- Revised annual adjusted operating expenses to $98M, total cash use expected at $95M or less, extending runway into 2028
- Focus on expanding installed base and consumable revenue, upcoming Proteus platform launch to enhance capabilities
- Exploring new acquisition models and strategic partnerships to bolster growth amid market pressures
Last Updated: 05/08/2025, 22:54
Read Full TranscriptCompare QSI to Peers and Sector
Metrics to compare | QSI | Sector Sector - Average of metrics from a broad group of related Healthcare sector companies | Relationship RelationshipQSIPeersSector | |
|---|---|---|---|---|
P/E Ratio | −2.4x | −1.4x | −0.5x | |
PEG Ratio | 0.76 | −0.16 | 0.00 | |
Price/Book | 1.2x | 0.6x | 2.6x | |
Price / LTM Sales | 75.4x | 1.7x | 3.3x | |
Upside (Analyst Target) | 136.2% | 100.0% | 43.5% | |
Fair Value Upside | Unlock | 31.9% | 6.8% | Unlock |
Analyst Ratings
2 Buy
1 Hold
0 Sell
Ratings:
3 analysts
Overall Consensus
Buy
Analysts 12-Month Price Target:
Average 2.667
(+109.97% Upside)
Earnings
Latest Release
Aug 05, 2025
EPS / Forecast
-0.16 / -0.14
Revenue / Forecast
1.40M / 1.21M
People Also Watch
FAQ
What Stock Exchange Does QuantumSi Trade On?
QuantumSi is listed and trades on the Nasdaq Stock Exchange stock exchange.
What Is the Stock Symbol for QuantumSi?
The stock symbol for QuantumSi is "QSI."
What Is the QuantumSi Market Cap?
As of today, QuantumSi market cap is 257.17M.
What Is QuantumSi's Earnings Per Share (TTM)?
The QuantumSi EPS (TTM) is -0.65.
When Is the Next QuantumSi Earnings Date?
QuantumSi will release its next earnings report on 04 Nov 2025.
From a Technical Analysis Perspective, Is QSI a Buy or Sell?
Based on moving averages and other technical indicators, the daily buy/sell signal is Strong Sell.
How Many Times Has QuantumSi Stock Split?
QuantumSi has split 0 times.
How Many Employees Does QuantumSi Have?
QuantumSi has 149 employees.
What is the current trading status of QuantumSi (QSI)?
As of 09 Aug 2025, QuantumSi (QSI) is trading at a price of 1.27, with a previous close of 1.33. The stock has fluctuated within a day range of 1.26 to 1.35, while its 52-week range spans from 0.61 to 5.77.
Install Our App
Risk Disclosure: Trading in financial instruments and/or cryptocurrencies involves high risks including the risk of losing some, or all, of your investment amount, and may not be suitable for all investors. Prices of cryptocurrencies are extremely volatile and may be affected by external factors such as financial, regulatory or political events. Trading on margin increases the financial risks.
Before deciding to trade in financial instrument or cryptocurrencies you should be fully informed of the risks and costs associated with trading the financial markets, carefully consider your investment objectives, level of experience, and risk appetite, and seek professional advice where needed.
Fusion Media would like to remind you that the data contained in this website is not necessarily real-time nor accurate. The data and prices on the website are not necessarily provided by any market or exchange, but may be provided by market makers, and so prices may not be accurate and may differ from the actual price at any given market, meaning prices are indicative and not appropriate for trading purposes. Fusion Media and any provider of the data contained in this website will not accept liability for any loss or damage as a result of your trading, or your reliance on the information contained within this website.
It is prohibited to use, store, reproduce, display, modify, transmit or distribute the data contained in this website without the explicit prior written permission of Fusion Media and/or the data provider. All intellectual property rights are reserved by the providers and/or the exchange providing the data contained in this website.
Fusion Media may be compensated by the advertisers that appear on the website, based on your interaction with the advertisements or advertisers
Before deciding to trade in financial instrument or cryptocurrencies you should be fully informed of the risks and costs associated with trading the financial markets, carefully consider your investment objectives, level of experience, and risk appetite, and seek professional advice where needed.
Fusion Media would like to remind you that the data contained in this website is not necessarily real-time nor accurate. The data and prices on the website are not necessarily provided by any market or exchange, but may be provided by market makers, and so prices may not be accurate and may differ from the actual price at any given market, meaning prices are indicative and not appropriate for trading purposes. Fusion Media and any provider of the data contained in this website will not accept liability for any loss or damage as a result of your trading, or your reliance on the information contained within this website.
It is prohibited to use, store, reproduce, display, modify, transmit or distribute the data contained in this website without the explicit prior written permission of Fusion Media and/or the data provider. All intellectual property rights are reserved by the providers and/or the exchange providing the data contained in this website.
Fusion Media may be compensated by the advertisers that appear on the website, based on your interaction with the advertisements or advertisers
© 2007-2025 - Fusion Media Limited. All Rights Reserved.