Skip to main content
Recent Quotes
My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Markets:
Overview
News
Currencies
International
Treasuries

Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)

1.730 -0.080 (-4.42%)
Streaming Delayed Price Updated: 4:00 PM EDT, Jul 11, 2025 Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Price and Volume

Detailed Quote
Volume 6,159,737
Open 1.800
Bid (Size) 1.740 (2)
Ask (Size) 1.760 (233)
Prev. Close 1.810
Today's Range 1.720 - 1.820
52wk Range 0.6121 - 5.770
Shares Outstanding N/A
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
Tesla, Quantum-Si And Other Big Stocks Moving Lower In Monday's Pre-Market Session
Via Benzinga
12 Health Care Stocks Moving In Monday's Pre-Market Session
Via Benzinga

Performance

YTD
-59.4%
-59.4%
1 Month
-1.7%
-1.7%
3 Month
+38.4%
+38.4%
6 Month
-34.6%
-34.6%
1 Year
+60.2%
+60.2%

More News

Read More
US Stocks Likely To Open Lower After A Week Of Records: Tesla In Focus As Elon Musk Announces America Party
Via Benzinga
Why Apogee Therapeutics Shares Are Trading Higher By 50%; Here Are 20 Stocks Moving Premarket
Via Benzinga
Boeing, Orix And 3 Stocks To Watch Heading Into Monday
Via Benzinga
Quantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common Stock
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Platinum® Pro Instrument Placed at the Broad Institute to Support Regional Research Initiatives
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Join Leading Experts from DNAnexus, Olink, and Northwestern in Upcoming GenomeWeb Webinar on Proteomics Data Integration and Standardization
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Customer to Showcase Protein Barcoding for Nucleic Acid–LNP Therapeutic Development at Festival of Genomics Boston
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si’s Single-Molecule Tech Enables Precise, Multiplexed Measurement of Nanobody Binding in a Single Assay
From Quantum-Si Incorporated
Via Business Wire
Quantum Stocks Skyrocket, Led by IonQ's NVIDIA Declaration
Via MarketBeat
Top 2 Health Care Stocks That May Implode In Q2
Via Benzinga
12 Health Care Stocks Moving In Tuesday's Intraday Session
Via Benzinga
Quantum-Si Reports First Quarter 2025 Financial Results
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
From Quantum-Si Incorporated
Via Business Wire
Earnings Scheduled For May 15, 2025
Via Benzinga
Dr. Gloria Sheynkman from the University of Virginia to Present Pioneering Research utilizing Quantum-Si’s Next-Gen Protein Sequencing™ Platform in Upcoming Nature Webinar on May 15
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Report First Quarter 2025 Financial Results on May 15, 2025
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Begins Shipping Platinum® Pro, Advancing Accessibility in Next-Gen Protein Sequencing™
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Participate in DNAnexus Webinar on Large Scale Proteomics in Multi-Omics Research
From Quantum-Si Incorporated
Via Business Wire
12 Health Care Stocks Moving In Monday's Pre-Market Session
Via Benzinga
Why Precision BioSciences Shares Are Trading Higher By Over 10%; Here Are 20 Stocks Moving Premarket
Via Benzinga
What's going on in today's after hours session
Via Chartmill
12 Health Care Stocks Moving In Friday's After-Market Session
Via Benzinga

Frequently Asked Questions

Is Quantum-Si Incorporated - Class A Common Stock publicly traded?
Yes, Quantum-Si Incorporated - Class A Common Stock is publicly traded.
What exchange does Quantum-Si Incorporated - Class A Common Stock trade on?
Quantum-Si Incorporated - Class A Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Quantum-Si Incorporated - Class A Common Stock?
The ticker symbol for Quantum-Si Incorporated - Class A Common Stock is QSI on the Nasdaq Stock Market
What is the current price of Quantum-Si Incorporated - Class A Common Stock?
The current price of Quantum-Si Incorporated - Class A Common Stock is 1.730
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 07/11/25 04:00 PM ET
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.