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Quantum-Si Incorporated Stock Price, News & Analysis

QSI Nasdaq

Welcome to our dedicated page for Quantum-Si Incorporated news (Ticker: QSI), a resource for investors and traders seeking the latest updates and insights on Quantum-Si Incorporated stock.

Quantum-Si Incorporated (Nasdaq: QSI) is a proteomics technology and life sciences company focused on single-molecule protein analysis and Next-Generation Protein Sequencing. This news page aggregates company-issued updates and market-moving announcements so readers can follow how Quantum-Si’s benchtop protein sequencing platform, chemistry kits, and data analysis tools are evolving over time.

Recent Quantum-Si news has highlighted product launches such as the V4 Sequencing Kit, which the company reports improves sequencing coverage through additional amino acid recognition, specialized enzymes, and enhanced algorithms. The company has also announced a Version 3 Library Preparation Kit designed for lower protein input and detection of low-abundance proteins, along with data analysis enhancements that unlock detection of additional amino acids and improve peptide alignment and protein inference.

Investors and researchers can use this page to track updates on Quantum-Si’s Proteus platform development, including prototype sequencing milestones, technology roadmap disclosures, and plans related to amino acid coverage, controlled cleavage chemistry, and post-translational modification methods. Financial news items, such as quarterly earnings releases, capital raising transactions, and lease or other material agreements disclosed via Form 8-K, also appear in this feed.

In addition, the news stream captures corporate governance and human capital updates, including inducement grants under the company’s 2023 Inducement Equity Incentive Plan, investor conference participation, and Investor & Analyst Day events. Bookmark this page to review Quantum-Si’s official press releases and regulatory news in one place, with a focus on developments that shape the company’s proteomics technology, commercialization efforts, and capital markets activity.

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FAQ

What is the current stock price of Quantum-Si Incorporated (QSI)?

The current stock price of Quantum-Si Incorporated (QSI) is $1.09 as of February 3, 2026.

What is the market cap of Quantum-Si Incorporated (QSI)?

The market cap of Quantum-Si Incorporated (QSI) is approximately 237.0M.
Quantum-Si Incorporated

Nasdaq:QSI

QSI Rankings

QSI Stock Data

237.04M
172.06M
12.49%
32.44%
11.08%
Medical Devices
Measuring & Controlling Devices, Nec
Link
United States
BRANFORD

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