1.48
price down icon8.64%   -0.14
after-market After Hours: 1.48
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Quantum Si Incorporated stock is traded at $1.48, with a volume of 11.05M. It is down -8.64% in the last 24 hours and down -24.49% over the past month. Quantum-Si Inc is a life sciences company focused on the development and commercialization of proteomics research tools. The company has designed and developed a hardware, consumable, and software solution to provide a solution for protein detection and analysis. It has developed a proprietary universal single-molecule detection platform that enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins.
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Previous Close:
$1.62
Open:
$1.62
24h Volume:
11.05M
Relative Volume:
1.31
Market Cap:
$242.07M
Revenue:
-
Net Income/Loss:
$-95.96M
P/E Ratio:
-2.1765
EPS:
-0.68
Net Cash Flow:
$-99.31M
1W Performance:
-25.25%
1M Performance:
-24.49%
6M Performance:
-25.25%
1Y Performance:
+35.78%
1-Day Range:
Value
$1.47
$1.62
1-Week Range:
Value
$1.47
$1.9794
52-Week Range:
Value
$0.6121
$5.77

Quantum Si Incorporated Stock (QSI) Company Profile

Name
Name
Quantum Si Incorporated
Name
Phone
(203) 458-7100
Name
Address
29 BUSINESS PARK DRIVE, BRANFORD
Name
Employee
143
Name
Twitter
Name
Next Earnings Date
2025-03-03
Name
Latest SEC Filings
Name
QSI's Discussions on Twitter

Compare QSI with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Medical Devices icon
QSI
Quantum Si Incorporated
1.48 326.75M 0 -95.96M -99.31M -0.68
Medical Devices icon
ABT
Abbott Laboratories
126.19 223.66B 43.11B 13.98B 6.66B 7.98
Medical Devices icon
BSX
Boston Scientific Corp
104.92 157.95B 18.49B 2.51B 2.72B 1.68
Medical Devices icon
SYK
Stryker Corp
392.73 153.02B 23.22B 2.86B 3.58B 7.40
Medical Devices icon
MDT
Medtronic Plc
90.24 117.42B 33.54B 4.66B 5.19B 3.62
Medical Devices icon
EW
Edwards Lifesciences Corp
79.31 47.61B 5.69B 4.15B 623.10M 6.95

Quantum Si Incorporated Stock (QSI) Upgrades & Downgrades

Date Action Analyst Rating Change
Feb-07-25 Initiated Alliance Global Partners Buy
Dec-08-23 Initiated H.C. Wainwright Buy
Sep-25-23 Downgrade Canaccord Genuity Buy → Hold
Oct-20-21 Initiated Canaccord Genuity Buy

Quantum Si Incorporated Stock (QSI) Latest News

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Jul 31, 2025

QSI Stock: What’s Behind the Jump? - StocksToTrade

Jul 31, 2025
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Jul 31, 2025

Is Quantum Si incorporated stock overvalued or undervaluedEntry Signal Forecasts For Consistent Profits - jammulinksnews.com

Jul 31, 2025
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Jul 31, 2025

How many analysts rate Quantum Si incorporated as a “Buy”Stock Strategy Tracker With High Returns - jammulinksnews.com

Jul 31, 2025
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Jul 31, 2025

What is the dividend policy of Quantum Si incorporated Equity Warrant stockFree Stock Trend Scanner With Proven Results - jammulinksnews.com

Jul 31, 2025
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Jul 31, 2025

How volatile is Quantum Si incorporated Equity Warrant stock compared to the marketDaily Trading Review That Work - jammulinksnews.com

Jul 31, 2025
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Jul 31, 2025

What catalysts could drive Quantum Si incorporated stock higher in 2025AI Powered Review For 2025 - jammulinksnews.com

Jul 31, 2025
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Jul 31, 2025

What is the risk reward ratio of investing in Quantum Si incorporated Equity Warrant stockMarket Forecast Data Feed From AI Tools - jammulinksnews.com

Jul 31, 2025
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Jul 30, 2025

What MACD and RSI say about Quantum Si incorporatedDaily Stock Market Swing Alerts Highlight Key Movers - metal.it

Jul 30, 2025
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Jul 30, 2025

Published on: 2025-07-29 09:12:08 - beatles.ru

Jul 30, 2025
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Jul 30, 2025

Published on: 2025-07-30 09:23:36 - metal.it

Jul 30, 2025
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Jul 30, 2025

How high can Quantum Si incorporated stock price go in 2025Daily Volume Spike Trading Signals Detected - metal.it

Jul 30, 2025
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Jul 29, 2025

Quantum Si incorporated Hits Oversold Level on RSI IndicatorDaily Chart Pattern Stock Forecast Shows Bullish Setup - metal.it

Jul 29, 2025
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Jul 29, 2025

Bollinger Bands Expand on Quantum Si incorporated Equity Warrant — Volatility AheadRisk Adjusted Technical Entry Plan Gains Followers - metal.it

Jul 29, 2025
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Jul 29, 2025

Quantum Si incorporated Equity Warrant Recovery Linked to Earnings SurpriseLow Risk Picks for Daily Trading Released - metal.it

Jul 29, 2025
pulisher
Jul 29, 2025

Published on: 2025-07-29 14:58:03 - metal.it

Jul 29, 2025
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Jul 29, 2025

Quantum Si incorporated Forms Double Bottom Pattern — Eyes on BreakoutDay Trading Signals With High Precision Reviewed - metal.it

Jul 29, 2025
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Jul 29, 2025

Trendlines Converge — Decision Point for Quantum Si incorporatedSwing Trade Entry With Volume Triggers Released - metal.it

Jul 29, 2025
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Jul 28, 2025

Published on: 2025-07-29 04:43:39 - metal.it

Jul 28, 2025
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Jul 28, 2025

How Resilient Is Quantum Si incorporated Equity Warrant Stock During Economic DownturnsReal-Time Analysis With Entry Targets In Progress - metal.it

Jul 28, 2025
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Jul 28, 2025

What makes Quantum Si incorporated stock price move sharplySwing Trade Entry With Volume Triggers Released - beatles.ru

Jul 28, 2025
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Jul 28, 2025

Is Quantum Si incorporated Equity Warrant stock overhyped or has real potentialWeekly Watchlist of High Movers Released - metal.it

Jul 28, 2025
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Jul 28, 2025

What makes Quantum Si incorporated Equity Warrant stock price move sharplyGet real-time updates on market trends - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

What are the latest earnings results for Quantum Si incorporatedCapitalize on market momentum for profits - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

What are Quantum Si incorporated Equity Warrant company’s key revenue driversSwing Trade Opportunities From AI Tools - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

What are analysts’ price targets for Quantum Si incorporated in the next 12 monthsInvest smarter with real-time trading alerts - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

How Quantum Si incorporated stock performs during market volatilityAccurate Buy Point for Momentum Stocks Detected - beatles.ru

Jul 28, 2025
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Jul 28, 2025

How volatile is Quantum Si incorporated stock compared to the marketAI Powered Review For 2025 - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

Is Quantum Si incorporated Equity Warrant Stock Overbought or Oversold RSI Indicator Analysis Free Breakout Confirmation With Entry Tracker - metal.it

Jul 28, 2025
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Jul 28, 2025

Does Quantum Si incorporated Equity Warrant stock perform well during market downturnsExceptional gains - jammulinksnews.com

Jul 28, 2025
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Jul 28, 2025

New Product Launches: Will They Boost Quantum Si incorporated Stock in 2025Capital Preservation Investment Ideas - metal.it

Jul 28, 2025
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Jul 28, 2025

Is Quantum Si incorporated Equity Warrant a growth stock or a value stockMaximize returns with disciplined investment techniques - jammulinksnews.com

Jul 28, 2025
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Jul 27, 2025

Quantum Si incorporated Earnings Report Breakdown: What Investors Should KnowWatchlist Winner Update - metal.it

Jul 27, 2025
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Jul 27, 2025

Is Quantum Si incorporated Stock a Smart Buy in 2025 Investment Analysis Inside - metal.it

Jul 27, 2025
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Jul 27, 2025

Should I hold or sell Quantum Si incorporated stock in 2025Stay informed with daily expert analysis - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

Published on: 2025-07-28 04:08:35 - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

Is Quantum Si incorporated Equity Warrant stock overvalued or undervaluedMarket-beating performance - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

What catalysts could drive Quantum Si incorporated Equity Warrant stock higher in 2025Realize exceptional returns through smart trading - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

Why is Quantum Si incorporated Equity Warrant stock attracting strong analyst attentionHigh-impact investment strategies - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

Is it the right time to buy Quantum Si incorporated stockOutstanding yields - jammulinksnews.com

Jul 27, 2025
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Jul 27, 2025

What are the latest earnings results for Quantum Si incorporated Equity WarrantFastest-growing stock picks - jammulinksnews.com

Jul 27, 2025
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Jul 25, 2025

Quantum Si incorporated Stock Analysis and ForecastConsistently profitable trades - PrintWeekIndia

Jul 25, 2025
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Jul 25, 2025

What drives Quantum Si incorporated stock priceFree Bull & Bear Market Updates - PrintWeekIndia

Jul 25, 2025
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Jul 25, 2025

How Quantum Si incorporated Equity Warrant stock reacts to Fed policy changesExponential return rates - jammulinksnews.com

Jul 25, 2025
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Jul 25, 2025

What analysts say about Quantum Si incorporated stockMassive stock growth - PrintWeekIndia

Jul 25, 2025
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Jul 25, 2025

Is Quantum Si incorporated Equity Warrant a good long term investmentFree Market Dynamics Reports - Autocar Professional

Jul 25, 2025

Quantum Si Incorporated Stock (QSI) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$288.40
price down icon 3.31%
medical_devices STE
$226.49
price down icon 1.21%
medical_devices PHG
$26.20
price down icon 2.28%
$80.77
price down icon 9.31%
$71.32
price down icon 0.45%
medical_devices EW
$79.31
price down icon 2.28%
Cap:     |  Volume (24h):