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

1.540 +0.280 (+22.23%)
Streaming Delayed Price Updated: 11:58 AM EDT, Sep 18, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 20,220,423
Open 1.310
Bid (Size) 1.540 (176)
Ask (Size) 1.550 (70)
Prev. Close 1.260
Today's Range 1.300 - 1.590
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
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si Announces the Launch of V4 Sequencing Kit, Expanding Proteome Coverage and Unlocking New Applications for Protein Sequencing
From Quantum-Si Incorporated
Via Business Wire

Performance

YTD
-63.8%
-63.8%
1 Month
+41.3%
+41.3%
3 Month
-12.0%
-12.0%
6 Month
-1.0%
-1.0%
1 Year
+57.1%
+57.1%

More News

Read More
Quantum-Si to Participate in the H.C. Wainwright 27th Annual Global Investment Conference
From Quantum-Si Incorporated
Via Business Wire
Earnings Scheduled For August 5, 2025
Via Benzinga
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Participate in the UBS Precision Medicine Frontiers Summit
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si (QSI) Q2 Revenue Falls 47%
Via The Motley Fool
Quantum-Si Reports Second Quarter 2025 Financial Results
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Participate in the Canaccord Genuity 45th Annual Growth Conference
From Quantum-Si Incorporated
Via Business Wire
Quantum-Si to Report Second Quarter 2025 Financial Results on August 5, 2025
From Quantum-Si Incorporated
Via Business Wire
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
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

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 1.540
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 09/18/25 11:58 AM ET
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