Skip to main navigation
Quantum Si logo
  • Technology
  • Products
  • Applications
    • Antibody Characterization
    • Biomarker Identification
    • Protein Identification
    • Protein Variant
    • PTM Analysis
  • Resources
  • Investors
    • Press Releases
    • Events and Presentations
    • Stock Information
    • Financials
    • Governance
    • Investor Resources
  • About Us
    • Careers
    • Leadership
  • Contact Us
Select Page
Quantum-Si Incorporated logo
    • Technology
    • Products
    • Applications
      • Antibody Characterization
      • Biomarker Identification
      • Protein Identification
      • Protein Variant
      • PTM Analysis
    • Resources
    • Investors
      • Press Releases
      • Events and Presentations
      • Stock Information
      • Financials
      • Governance
      • Investor Resources
    • About Us
      • Careers
      • Leadership
    • Contact Us

Historic Price Lookup

  • Overview
  • Press Releases
  • Events & Presentations
    Events Presentations
  • Stock Information
    Stock Quote & Chart Analyst Coverage Historic Price Lookup
  • Financials
    Quarterly Results Annual Reports SEC Filings
  • Governance
    Governance Highlights Leadership Board of Directors Committee Composition
  • Investor Resources
    Investor FAQs Investor Email Alerts Investor Contact

Week of July 13, 2026

Date Requested Closing Price Volume Open Price Day High Day Low
July 13, 2026 $0.87 3,530,637 $0.88 $0.88 $0.85
July 14, 2026 $0.87 1,209,087 $0.87 $0.90 $0.86
July 15, 2026 $0.86 2,254,343 $0.87 $0.90 $0.86
July 16, 2026 $0.82 3,705,083 $0.85 $0.86 $0.81

NOTE: The Closing Price, Day's High, Day's Low, and Day's Volume have been adjusted to account for any stock splits and/or dividends which may have occurred for this security since the date shown. The Split Adjustment Factor is a cumulative factor which encapsulates all splits since the date shown. The closing price is not necessarily indicative of future price performance.

Minimum 15 minutes delayed. Source: LSEG

  • Print Page
  • Email Alerts
  • RSS Feeds
  • Contact IR
Quantum-Si Incorporated logo
© Copyright 2026 QuantumSi | All rights reserved.
Follow us
  • LinkedIn
  • Twitter
  • Youtube
  • Instagram
  • Facebook