Company news
Quantum-si Incorporated (NASDAQ:QSI) news
Every Quantum-si Incorporated press release and news update in one place — announcements, filings coverage, and company updates for investors.
Press releases & updates
Quantum-Si to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
August 18, 2026
Quantum-Si Reports Second Quarter 2026 Financial Results and Provides Proteus™ Development Update
August 13, 2026
Quantum-Si to Report Second Quarter 2026 Financial Results on August 13, 2026
July 27, 2026
Quantum-Si and Cell Signaling Technology Partner to Advance Post-Translational Modification Analysis on Proteus™
June 10, 2026
Quantum-Si Announces the Expansion of the Proteus™ Roadshow
June 3, 2026
Quantum-Si Reports First Quarter 2026 Financial Results and Highlights Proteus™ Development Milestones
May 7, 2026
Quantum-Si Announces Successful Sequencing on Integrated Proteus™ Instruments
April 28, 2026
Quantum-Si to Report First Quarter 2026 Financial Results on May 7, 2026
April 16, 2026
Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting
April 15, 2026
Quantum-Si Announces New Manuscript Demonstrating the Value of Single-molecule Protein Sequencing to Aid in Identifying New Cancer Treatm...
April 14, 2026
Quantum-Si Announces First Customer Samples Tested on the Proteus Prototype System
April 9, 2026
Quantum-Si Announces First Customer Samples Tested on the Proteus™ Prototype System
April 8, 2026
Quantum-Si Announces the Start of the Proteus™ Roadshow
April 6, 2026
Quantum-Si Reports Fourth Quarter and Full Year 2025 Financial Results
March 3, 2026
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
February 13, 2026
Quantum-Si to Report Fourth Quarter and Full Year 2025 Financial Results on March 3, 2026
February 10, 2026
Quantum-Si Announces the Release of Two New Manuscripts Demonstrating the Value of Single-Molecule Protein Sequencing in Clinical Proteom...
February 5, 2026
Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements
December 22, 2025
Quantum-Si Highlights Significant Development Advancements for Proteus™ and Industry Leading Technology Pipeline at Investor & Analyst Day
November 20, 2025
Quantum-Si to Highlight Significant Proteus™ Platform Development Progress and Provide Insights into the Company’s Industry Leading Techn...
November 19, 2025
Quantum-Si Reports Third Quarter 2025 Financial Results
November 5, 2025
Quantum-Si to Participate in the Canaccord Genuity MedTech, Diagnostics and Digital Health & Services Forum
October 20, 2025
Quantum-Si to Report Third Quarter 2025 Financial Results on November 5, 2025
October 13, 2025
Quantum-Si to Host Investor & Analyst Event in New York City on November 19, 2025
September 23, 2025
Quantum-Si Announces the Launch of V4 Sequencing Kit, Expanding Proteome Coverage and Unlocking New Applications for Protein Sequencing
September 8, 2025
Quantum-Si to Participate in the H.C. Wainwright 27th Annual Global Investment Conference
August 19, 2025
Quantum-Si to Participate in the UBS Precision Medicine Frontiers Summit
August 8, 2025
Quantum-Si Reports Second Quarter 2025 Financial Results
August 5, 2025
Quantum-Si to Participate in the Canaccord Genuity 45th Annual Growth Conference
July 21, 2025
Quantum-Si to Report Second Quarter 2025 Financial Results on August 5, 2025
July 14, 2025
Quantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common Stock
July 3, 2025
Quantum-Si Platinum® Pro Instrument Placed at the Broad Institute to Support Regional Research Initiatives
June 24, 2025
Quantum-Si to Join Leading Experts from DNAnexus, Olink, and Northwestern in Upcoming GenomeWeb Webinar on Proteomics Data Integration an...
June 19, 2025
Quantum-Si Customer to Showcase Protein Barcoding for Nucleic Acid–LNP Therapeutic Development at Festival of Genomics Boston
June 17, 2025
Quantum-Si’s Single-Molecule Tech Enables Precise, Multiplexed Measurement of Nanobody Binding in a Single Assay
June 10, 2025
Quantum-Si Reports First Quarter 2025 Financial Results
May 15, 2025
Dr. Gloria Sheynkman from the University of Virginia to Present Pioneering Research utilizing Quantum-Si’s Next-Gen Protein Sequencing™ P...
May 12, 2025
Quantum-Si to Report First Quarter 2025 Financial Results on May 15, 2025
April 24, 2025
Quantum-Si Begins Shipping Platinum® Pro, Advancing Accessibility in Next-Gen Protein Sequencing™
March 26, 2025
Quantum-Si to Participate in DNAnexus Webinar on Large Scale Proteomics in Multi-Omics Research
March 20, 2025
Quantum-Si Reports Fourth Quarter and Full Year 2024 Financial Results
March 3, 2025
Quantum-Si’s Customers and Researchers to Showcase Next-Generation Protein Sequencing™ at AGBT 2025
February 18, 2025
Quantum-Si and Researchers to Showcase Next-Generation Protein Sequencing™ at US HUPO 2025
February 13, 2025
Quantum-Si to Report Fourth Quarter and Full Year 2024 Financial Results on March 3, 2025
February 12, 2025
Preprint from Northwestern University Highlights Complementary Proteomic Analysis of Interleukin-6 Using Next-Generation Protein Sequenci...
February 11, 2025
Quantum-Si Establishes Scientific Advisory Board to Shape Next-Generation Proteomic Technologies
February 4, 2025
Quantum-Si and IDEX Health & Science to Partner on Optics Module for Proteus™ Instrument
January 28, 2025
Quantum-Si Showcases Advances in Multiomics at the Festival of Genomics UK
January 20, 2025
Quantum-Si Launches Platinum® Pro: The End-to-End Solution for Deeper Insights in Proteomics
January 13, 2025
Quantum-Si’s New Preprint Showcases Protein Barcoding as a Powerful Tool for Transforming Proteomics
January 8, 2025