2.15
price up icon5.91%   0.12
pre-market  Pre-market:  2.15  
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Quantum Si Incorporated stock is traded at $2.15, with a volume of 6.10M. It is up +5.91% in the last 24 hours and up +52.48% 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:
$2.03
Open:
$2.04
24h Volume:
6.10M
Relative Volume:
0.53
Market Cap:
$392.50M
Revenue:
-
Net Income/Loss:
$-95.96M
P/E Ratio:
-3.1618
EPS:
-0.68
Net Cash Flow:
$-99.31M
1W Performance:
-6.11%
1M Performance:
+52.48%
6M Performance:
+88.60%
1Y Performance:
+206.70%
1-Day Range:
Value
$2.03
$2.16
1-Week Range:
Value
$2.02
$2.42
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
2.15 434.90M 0 -95.96M -99.31M -0.68
Medical Devices icon
ABT
Abbott Laboratories
123.62 216.79B 43.84B 13.90B 6.92B 7.9725
Medical Devices icon
BSX
Boston Scientific Corp
100.72 149.02B 19.35B 2.78B 3.49B 1.8696
Medical Devices icon
SYK
Stryker Corp
356.24 141.06B 24.38B 2.94B 4.02B 7.6145
Medical Devices icon
MDT
Medtronic Plc
90.70 116.68B 34.20B 4.69B 5.30B 3.6218
Medical Devices icon
EW
Edwards Lifesciences Corp
82.45 49.01B 5.88B 1.34B 577.90M 2.3455

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

pulisher
01:57 AM

Will Quantum Si incorporated Equity Warrant stock deliver better than expected guidanceJuly 2025 Reactions & Daily Profit Focused Screening - newser.com

01:57 AM
pulisher
01:52 AM

How geopolitical tensions affect Quantum Si incorporated Equity Warrant stockTrade Exit Summary & Real-Time Market Sentiment Reports - newser.com

01:52 AM
pulisher
Nov 02, 2025

How Quantum Si incorporated stock trades before earningsBull Run & Free Weekly Watchlist of Top Performers - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

Why Quantum Si incorporated stock remains a top recommendationMarket Growth Review & Low Risk Entry Point Tips - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

What does recent volatility data suggest for Quantum Si incorporated Equity WarrantJuly 2025 Setups & Fast Entry Momentum Trade Alerts - newser.com

Nov 02, 2025
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Nov 02, 2025

What does recent volatility data suggest for Quantum Si incorporated2025 EndofYear Setup & Intraday High Probability Alerts - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

Has Quantum Si incorporated Equity Warrant formed a bullish divergenceJuly 2025 Action & Weekly Breakout Watchlists - newser.com

Nov 02, 2025
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Nov 02, 2025

What earnings revisions data tells us about Quantum Si incorporated Equity WarrantMarket Movement Recap & Consistent Profit Trade Alerts - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

Is Quantum Si incorporated stock safe for conservative investors2025 Key Highlights & Smart Swing Trading Alerts - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

Can Quantum Si incorporated recover in the next quarter2025 Top Decliners & Daily Profit Focused Screening - newser.com

Nov 02, 2025
pulisher
Nov 02, 2025

Why Quantum Si incorporated Equity Warrant stock is favored by pension fundsJuly 2025 Sector Moves & Real-Time Volume Surge Alerts - newser.com

Nov 02, 2025
pulisher
Nov 01, 2025

Technical analysis overview for Quantum Si incorporated Equity Warrant stock - newser.com

Nov 01, 2025
pulisher
Nov 01, 2025

Will Quantum Si incorporated benefit from macro trendsGold Moves & Capital Efficient Trading Techniques - newser.com

Nov 01, 2025
pulisher
Nov 01, 2025

How to use Fibonacci retracement on Quantum Si incorporated Equity WarrantTrade Volume Report & Weekly High Potential Stock Alerts - newser.com

Nov 01, 2025
pulisher
Nov 01, 2025

Does Quantum Si incorporated qualify in momentum factor screeningMarket Sentiment Summary & Daily Chart Pattern Signal Reports - newser.com

Nov 01, 2025
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Nov 01, 2025

What MACD signals say about Quantum Si incorporated Equity WarrantQuarterly Growth Report & Safe Investment Capital Preservation Plans - newser.com

Nov 01, 2025
pulisher
Nov 01, 2025

Published on: 2025-11-01 03:13:25 - newser.com

Nov 01, 2025
pulisher
Nov 01, 2025

Will Quantum Si incorporated Equity Warrant stock reach Wall Street targetsWeekly Trade Review & Real-Time Volume Analysis - newser.com

Nov 01, 2025
pulisher
Oct 31, 2025

Building trade automation scripts for Quantum Si incorporatedJuly 2025 Final Week & AI Driven Stock Movement Reports - newser.com

Oct 31, 2025
pulisher
Oct 31, 2025

Is Quantum Si incorporated trending in predictive chart modelsJuly 2025 WrapUp & AI Enhanced Trading Alerts - newser.com

Oct 31, 2025
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Oct 31, 2025

What momentum shifts mean for Quantum Si incorporatedMarket Sentiment Review & Weekly High Conviction Trade Ideas - newser.com

Oct 31, 2025
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Oct 31, 2025

Will Quantum Si incorporated Equity Warrant stock gain from lower inflationJuly 2025 Fed Impact & High Yield Stock Recommendations - newser.com

Oct 31, 2025
pulisher
Oct 31, 2025

Is this a good reentry point in Quantum Si incorporatedShort Setup & Weekly Market Pulse Updates - newser.com

Oct 31, 2025
pulisher
Oct 31, 2025

Published on: 2025-10-31 01:14:44 - newser.com

Oct 31, 2025
pulisher
Oct 31, 2025

Published on: 2025-10-31 00:58:41 - newser.com

Oct 31, 2025
pulisher
Oct 31, 2025

Can Quantum Si incorporated hit a new high this month2025 Momentum Check & Expert Verified Movement Alerts - newser.com

Oct 31, 2025
pulisher
Oct 30, 2025

Quantum-Si (QSI) to Release Quarterly Earnings on Wednesday - MarketBeat

Oct 30, 2025
pulisher
Oct 30, 2025

How analysts rate Quantum Si incorporated Equity Warrant stock todayEarnings Recap Report & Low Drawdown Investment Ideas - newser.com

Oct 30, 2025
pulisher
Oct 30, 2025

Sumitomo Mitsui Trust Group Inc. Reduces Stock Position in Quantum-Si Incorporated $QSI - MarketBeat

Oct 30, 2025
pulisher
Oct 30, 2025

How Quantum Si incorporated stock compares to market leadersMarket Growth Review & Low Risk High Reward Ideas - newser.com

Oct 30, 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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$313.01
price up icon 0.34%
$58.22
price down icon 14.63%
medical_devices STE
$235.70
price down icon 0.21%
medical_devices PHG
$27.32
price up icon 0.18%
$74.95
price down icon 0.07%
medical_devices EW
$82.45
price down icon 1.23%
Cap:     |  Volume (24h):