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0.8343
6.28%
0.0493
After Hours:
.84
0.0057
+0.68%
Quantum Si Incorporated stock is traded at $0.8343, with a volume of 2.57M.
It is up +6.28% in the last 24 hours and down -1.53% over the past month.
Quantum-Si Inc is a life sciences company focused on proteomics research and analytical technologies. It develops single-molecule detection platforms designed to enable next-generation protein sequencing (NGPS) and large-scale protein analysis. Its technology supports massively parallel sequencing of proteins and can also be applied to the study of nucleic acids, providing tools for researchers and clinical applications in molecular analysis. The company's revenue is derived from sales of products and services.
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Previous Close:
$0.785
Open:
$0.7943
24h Volume:
2.57M
Relative Volume:
0.87
Market Cap:
$182.61M
Revenue:
$1.85M
Net Income/Loss:
$-103.82M
P/E Ratio:
-1.6292
EPS:
-0.5121
Net Cash Flow:
$-95.69M
1W Performance:
+11.97%
1M Performance:
-1.53%
6M Performance:
-3.55%
1Y Performance:
-44.75%
1-Day Range:
$0.7755
$0.84
1-Week Range:
$0.7434
$0.84
52-Week Range:
$0.69
$3.10
Quantum Si Incorporated Stock (QSI) Company Profile
Name
Quantum Si Incorporated
Sector
Industry
Phone
(203) 458-7100
Address
29 BUSINESS PARK DRIVE, BRANFORD
Compare QSI vs ABT, MDT, SYK, BSX, EW
| Stocks | Price | Market Cap | Revenue | Net Income | Cash Flow | EPS |
|---|---|---|---|---|---|---|
QSI
Quantum Si Incorporated
|
0.8343 | 182.61M | 1.85M | -103.82M | -95.69M | -0.5121 |
ABT
Abbott Laboratories
|
101.29 | 175.27B | 46.59B | 5.41B | 7.38B | 3.0938 |
MDT
Medtronic Plc
|
88.64 | 113.38B | 36.36B | 4.84B | 5.43B | 3.7261 |
SYK
Stryker Corp
|
272.36 | 104.47B | 25.27B | 3.34B | 4.57B | 8.6334 |
BSX
Boston Scientific Corp
|
43.92 | 63.65B | 20.62B | 3.56B | 3.48B | 2.3847 |
EW
Edwards Lifesciences Corp
|
86.29 | 49.74B | 6.30B | 1.07B | 1.09B | 1.8406 |
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
Quantum-Si stock gains 3.47 percent as Q2 signals split - AD HOC NEWS
Form 4 QuantumSi Inc For: 23 September - Investing.com India
Form 4 QuantumSi Inc For: 23 September By Investing.com - Investing.com Canada
Insider Selling: Quantum-Si (NASDAQ:QSI) CEO Sells $15,308.68 in Stock - MarketBeat
Form 144 Quantum-Si Inc For: 23 September By Investing.com - Investing.com India
To cover taxes on vested stock, Quantum-Si (QSI) officer Jeffrey Alan Hawkins plans to sell 29,852 shares. - stocktitan.net
A proposed tax sale: Quantum-Si (QSI) officer Christian LaPointe lists 14,516 shares. - stocktitan.net
A Quantum-Si (QSI) officer plans to sell 7,665 shares to cover taxes, not as a discretionary trade. - stocktitan.net
Quantum-Si (QSI) Edges Higher: Shares Hold Near $0.74 as Support FirmsStop Hunt - careplusvn.com
Quantum-Si incorporated (QSI) Stock Price Quote Today & Current Price Chart - Capital.com
Quantum-Si demonstrates detection of 18 amino acids on Proteus By Investing.com - Investing.com Australia
Quantum-Si demonstrates detection of 18 amino acids on Proteus - Investing.com
Quantum-Si Announces Detection of 18 Amino Acids Using a Developmental Sequencing Kit on Proteus - Moomoo
Quantum-Si Demonstrates Detection of 18 Amino Acids on Proteus Instruments, Continues to Target All 20 in 2026 - Quiver Quantitative
Quantum-Si (NASDAQ:QSI) Upgraded by Wall Street Zen to Hold Rating - MarketBeat
Quantum-Si (NASDAQ:QSI) Shares Down 1.3%What's Next? - MarketBeat
Quantum-Si expands Proteus platform roadshow across US, Europe By Investing.com - Investing.com Nigeria
Quantum-Si Flat on Kicking off Roadshow - Baystreet.ca
Quantum-Si Expands Proteus Roadshow with Additional U.S. and European Cities - Investing News Network
Quantum-Si expands Proteus platform roadshow across US, Europe - investing.com
A protein-reading roadshow adds stops ahead of Proteus’ commercial launch - Stock Titan
QSI stock extends slide as Quantum-Si focuses on cash and diagnostics platform - ad-hoc-news.de
Quantum-Si Incorporated Warrant (QSIAW) Shareholding Pattern – Promoters, FIIs & DIIs - Value Research
Jonathan M. Rothberg’s Quantum-Si (NASDAQ: QSI) Estate Plan Allows Sale of Up to 8.95M Class A Shares by 2028 - Kalkine Media
Quantum-Si Incorporated Warrant (QSIAW) Key Financial Ratios – Valuation, Profitability & More - Value Research
QSI Q2 2026 Earnings: Better-Than-Expected Loss of $0.11 Per Share, but Revenue Details Remain UnclearFull Year Guidance - vinanet.vn
Quantum-Si (QSI) Slides 2.88% to $0.78 as Protein Sequencing Stock Nears Key SupportValue ETF - dars.gov.et
Quantum-Si (NASDAQ: QSI) founder holds all Class B as trusts prep stock sales - Stock Titan
Operating cash flow per share of Quantum-Si Incorporated – NASDAQ:QSI - TradingView
Quantum-Si (QSI) Q2 2026 Earnings Call Transcript - The Globe and Mail
Quantum-Si to Participate in the H.C. Wainwright 28th Annual Global Investment Conference - Investing News Network
FY2026 EPS Estimates for Quantum-Si Lifted by HC Wainwright - MarketBeat
Quantum-Si (QSI) Q2 2026 Earnings: Narrower-than-Expected Loss Fails to Stem Share DeclineMargin Improvement Report - vinanet.vn
Quantum-Si (QSI) Slides 6.35% to $0.74, Pressuring Key $0.70 Support LevelOverbought Signal Alerts - vinanet.vn
Quantum-Si incorporated Q2 2026 Earnings Call Summary - Yahoo Finance
Quantum-Si Q2 EPS $(0.11) beats estimate as revenue hits $344k - scanx.trade
Quantum-Si Q2 Earnings Call Highlights - MarketBeat
Quantum-Si Incorporated (QSI) Reports Q2 Loss, Tops Revenue Estimates - Yahoo Finance
QSI: Proteus launch delayed to Q2 2027, with cost cuts and strong cash position supporting revised plan - TradingView
QSI: Proteus launch delayed to Q2 2027; cost cuts extend cash runway and support long-term growth - TradingView
Quantum-Si (NASDAQ:QSI) Announces Quarterly Earnings Results - MarketBeat
Quantum-Si Reports Second Quarter 2026 Financial Results and Provides Proteus Development Update - Investing News Network
Quantum-Si incorporated Reports Earnings Results for the Second Quarter and Six Months Ended June 30, 2026 - marketscreener.com
Qantum-Si Incorporated Reiterates Earnings Guidance for the Full Year 2026 - marketscreener.com
Quantum-Si Reports Second Quarter 2026 Financial Results and Provides Proteus™ Development Update - marketscreener.com
Stock Traders Purchase Large Volume of Call Options on Quantum-Si (NASDAQ:QSI) - MarketBeat
Quantum-Si Inc (QSI) Q2 2026 Earnings Report Preview: What To Expect - Yahoo Finance
QSI Q2'26 Earnings: EPS estimate is (0.11) USD - TradingView
QSI Stock Holds Near $0.81 as Quantum-Si Consolidates Between $0.77 Support and $0.85 ResistanceRevenue Growth Stocks - dars.gov.et
QSI Q2'26 Earnings: revenue estimate is 302.00K USD - TradingView
Quantum-Si Warrant (QSIAW) Holds at $0.01 With Flat SessionCharm Flow - dars.gov.et
Quantum Si Incorporated Stock (QSI) Financials Data
Revenue
Net Income
Cash Flow
EPS
1.51%
0.97%
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