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Quantum-Si (QSI) Stock News

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

Quantum-Si Incorporated develops proteomics technology for single-molecule protein sequencing and protein analysis. Its updates center on benchtop platform development, real-time kinetic-based detection, and product work around Proteus instruments, the KinetIQ Array and Platinum Pro customer use.

Recurring company news includes quarterly financial results and non-GAAP operating measures, Proteus prototype and integrated-instrument sequencing milestones, amino-acid detection coverage, customer sample testing, scientific posters and manuscripts using Quantum-Si technology, investor conference participation, and equity-inducement grants under Nasdaq rules.

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Quantum-Si (Nasdaq: QSI), a proteomics technology company, reported its Q2 2025 financial results with revenue of $591,000 and a gross margin of 59%. First half 2025 revenue reached $1.4 million, showing a 33% increase year-over-year.

The company completed a $50 million capital raise through a registered direct offering, extending their cash runway into Q2 2028. Development programs remain on track, including the Proteus™ platform, v4 Sequencing Kit (Q3 2025 launch), and v3 Library Preparation Kit (Q4 2025 launch). However, NIH funding challenges have impacted capital sales, leading to new instrument acquisition options.

Q2 2025 saw a net loss of $28.8 million compared to $23.1 million in Q2 2024. Cash position stands at $214.2 million as of June 30, 2025.

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Quantum-Si (Nasdaq: QSI), a proteomics technology company specializing in single-molecule protein analysis, has announced its participation in the upcoming Canaccord Genuity 45th Annual Growth Conference. The event will take place at the InterContinental Boston Hotel from August 12-14, 2025.

The company's leadership, including President and CEO Jeff Hawkins and CFO Jeff Keyes, will conduct one-on-one meetings and participate in a fireside chat on August 12, 2025 at 4:00 PM ET. Investors can access the webcast through the company's website in the Investors section.

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Quantum-Si (Nasdaq: QSI), a proteomics technology company focused on single-molecule protein analysis, has scheduled its second quarter 2025 financial results announcement for August 5, 2025.

The company will host a conference call at 4:30 PM ET on the same day, featuring CEO Jeff Hawkins and CFO Jeff Keyes. Investors can access the call through a live webcast on Quantum-Si's website or register for a personalized dial-in option.

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Quantum-Si (Nasdaq: QSI), a proteomics technology company, has announced a $50 million registered direct offering of common stock. The company will sell 29,940,119 shares at $1.67 per share to a single institutional investor.

The offering is expected to close around July 8, 2025, subject to customary conditions. A.G.P./Alliance Global Partners is serving as the sole placement agent. The proceeds will be used for working capital and general corporate purposes. The offering is made through an effective shelf registration statement on Form S-3.

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Quantum-Si (Nasdaq: QSI) has announced the placement of its Platinum® Pro instrument at the Broad Institute, expanding access to single-molecule protein sequencing capabilities in the Greater Boston life science ecosystem.

The collaboration aims to support scientific innovation across oncology, therapeutics, and biomedical research. Researchers will have access to advanced applications including high-resolution protein identification and protein barcoding for multiplexed screening and protein engineering applications.

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Quantum-Si (Nasdaq: QSI) announces its participation in a GenomeWeb webinar titled 'From Raw to Reusable: Considerations for Data Integration and Real-World Standardization in Proteomics' scheduled for June 20, 2025. The one-hour virtual event will feature expert speakers from Quantum-Si, DNAnexus, Olink (Thermo Fisher Scientific), and Northwestern University's Proteomics Center of Excellence. The webinar will focus on crucial strategies for improving proteomics data management, including data accessibility, integration, and standardization across platforms. Key topics include metadata annotation best practices, cross-study dataset normalization, and participation in global standardization initiatives. The event aims to provide valuable insights for researchers, data scientists, and bioinformaticians in the proteomics field.
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Quantum-Si (Nasdaq: QSI) announces that Liberate Bio's Director of Platform, Melissa Deck, will present at the Festival of Genomics & Biodata Boston on June 24, 2025. The presentation titled 'Precision Proteomics: Advancing Drug Development with Next-Gen Protein Sequencing' will showcase how QSI's Platinum Pro instrument is being used for protein analysis through single-molecule detection. The talk will highlight protein barcoding applications for nucleic acid-LNP therapeutic development, including single-molecule protein sequencing on a benchtop platform, proteomics and genomics integration, and multiplexed protein screening. Deck brings extensive experience in CRISPR/Cas9 editing, gene therapy, and LNP screening from her leadership roles in biotech and pharma.
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Quantum-Si (Nasdaq: QSI), a proteomics technology company specializing in single-molecule protein analysis, has granted 45,529 restricted stock units (RSUs) to new employees as inducement awards. The grants were made under the company's 2023 Inducement Equity Incentive Plan and approved by the Compensation Committee of QSI's Board of Directors. The RSUs will vest 25% on June 20, 2026, with the remaining amount vesting in 12 equal quarterly installments thereafter, contingent on continued employment. These equity awards were granted as material inducement for new hires joining Quantum-Si, in compliance with Nasdaq Listing Rule 5635(c)(4).
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Quantum-Si and ESPCI Paris researchers have developed a groundbreaking method for measuring single-molecule binding kinetics at scale using QSI's Platinum Next-Gen Protein Sequencing instrument. The technique combines protein barcode sequencing with real-time single-molecule interaction data, enabling parallel analysis of protein variants without genotype-phenotype coupling. The method was validated across 20 nanobody variants showing strong correlation with SPR, demonstrating a 1,000-fold range in affinity. The platform allows for high-throughput measurement of tens of thousands of single molecules per run and has potential to scale to over 1,000-member barcode sets. This innovation makes single-molecule analysis more accessible and practical for applications in drug discovery, protein engineering, and disease biology research.
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Quantum-Si (Nasdaq: QSI) reported its Q1 2025 financial results, highlighting revenue of $842,000, an 84% increase from Q1 2024. The company successfully launched and delivered its first Platinum® Pro units and expanded its international channel network to 23 partners. Key developments include the on-track progress of Proteus™ Platform, v4 Sequencing Kit (expected Q3 2025), and a new v3 Library Preparation Kit (expected end of 2025). Financial metrics show a gross profit of $486,000 with 58% margin, and operating expenses of $25.6M. The company reported a net loss of $19.2M. Following a $50M registered direct offering in January 2025, QSI holds $232.6M in cash and investments, providing runway into second half of 2027. The company noted challenges in the U.S. market due to NIH funding and tariff uncertainty but remains optimistic about opportunities in pharma, biotech, and international markets.
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FAQ

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

The current stock price of Quantum-Si (QSI) is $0.973 as of June 11, 2026.

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

The market cap of Quantum-Si (QSI) is approximately 206.1M.