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QSI · NASDAQ · Medical - Devices

Quantum-Si (QSI)

Builds benchtop systems, kits, and software for research-use protein sequencing.

$0.7676
Pre-market+0.00 (+0.04%)
At close$0.7673(+1.32%)
  1. Quantum-Si incorporated (QSI) Q2 2026 Earnings Call Transcript

    Seeking Alpha

    Quantum-Si incorporated (QSI) Q2 2026 Earnings Call Transcript

  2. Quantum-Si Incorporated (QSI) Reports Q2 Loss, Tops Revenue Estimates

    Zacks Investment Research

    Quantum-Si Incorporated (QSI) came out with a quarterly loss of $0.11 per share versus the Zacks Consensus Estimate of a loss of $0.13. This compares to a loss of $0.16 per share a year ago.

  3. Quantum-Si Announces the Expansion of the Proteus™ Roadshow

    GuruFocus

    [url="]Quantum-Si Incorporated[/url] (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analy

  4. euNetworks launches new quantum-safe private connectivity service powered by Adtran's encrypted optical transport technology

    Business Wire

    LONDON--(BUSINESS WIRE)-- #5G--Adtran and euNetworks today announced their collaboration on the launch of a new quantum-safe private connectivity service, Quantum Shield. euNetworks has developed Quantum Shield using Adtran's optical transport technology to augment its broader architecture, which is designed to deliver secure, scalable data center connectivity across euNetworks' pan-European network. The new offering is built for enterprises with stringent security, performance and customer-controlle.

  5. Quantum-Si incorporated (QSI) Shareholder/Analyst Call Prepared Remarks Transcript

    Seeking Alpha

    Quantum-Si incorporated (QSI) Shareholder/Analyst Call Prepared Remarks Transcript

  6. Quantum-Si Incorporated (QSI) Reports Q1 Loss, Misses Revenue Estimates

    Zacks Investment Research

    Quantum-Si Incorporated (QSI) came out with a quarterly loss of $0.1 per share versus the Zacks Consensus Estimate of a loss of $0.12. This compares to a loss of $0.11 per share a year ago.

  7. Quantum-Si incorporated (QSI) Q4 2025 Earnings Call Transcript

    Seeking Alpha

    Quantum-Si incorporated (QSI) Q4 2025 Earnings Call Transcript

  8. Quantum-Si (NASDAQ:QSI) Stock Price Down 5.2% – Here’s Why

    Defense World

    Quantum-Si Incorporated (NASDAQ: QSI - Get Free Report)'s stock price was down 5.2% on Tuesday. The company traded as low as $0.9353 and last traded at $0.9388. Approximately 3,528,987 shares were traded during mid-day trading, a decline of 25% from the average daily volume of 4,678,401 shares. The stock had previously closed at $0.9906. Wall

  9. Quantum-Si (NASDAQ:QSI) Shares Down 0.8% – Should You Sell?

    Defense World

    Quantum-Si Incorporated (NASDAQ: QSI - Get Free Report) shares dropped 0.8% during mid-day trading on Monday. The company traded as low as $1.18 and last traded at $1.21. Approximately 4,888,677 shares changed hands during trading, an increase of 1% from the average daily volume of 4,853,345 shares. The stock had previously closed at $1.22. Analysts

  10. Reviewing Quantum-Si (NASDAQ:QSI) and ams-OSRAM (OTCMKTS:AMSSY)

    Defense World

    Quantum-Si (NASDAQ: QSI - Get Free Report) and ams-OSRAM (OTCMKTS:AMSSY - Get Free Report) are both small-cap computer and technology companies, but which is the superior business? We will contrast the two businesses based on the strength of their institutional ownership, risk, profitability, analyst recommendations, valuation, earnings and dividends. Analyst Recommendations This is a summary of

  11. Comparing Quantum-Si (NASDAQ:QSI) & Lam Research (NASDAQ:LRCX)

    Defense World

    Lam Research (NASDAQ: LRCX - Get Free Report) and Quantum-Si (NASDAQ: QSI - Get Free Report) are both computer and technology companies, but which is the superior business? We will compare the two businesses based on the strength of their institutional ownership, dividends, valuation, risk, analyst recommendations, earnings and profitability. Insider and Institutional Ownership 84.6% of Lam

  12. Quantum-Si (NASDAQ:QSI) CEO Jeffrey Alan Hawkins Sells 23,707 Shares of Stock

    Defense World

    Quantum-Si Incorporated (NASDAQ: QSI - Get Free Report) CEO Jeffrey Alan Hawkins sold 23,707 shares of the company's stock in a transaction on Monday, December 22nd. The stock was sold at an average price of $1.28, for a total transaction of $30,344.96. Following the completion of the transaction, the chief executive officer owned 2,578,018 shares of

  13. Quantum-Si (NASDAQ:QSI) Insider John Vieceli Sells 21,927 Shares of Stock

    Defense World

    Quantum-Si Incorporated (NASDAQ: QSI - Get Free Report) insider John Vieceli sold 21,927 shares of the business's stock in a transaction that occurred on Monday, December 22nd. The stock was sold at an average price of $1.28, for a total transaction of $28,066.56. Following the completion of the transaction, the insider directly owned 800,973 shares of

  14. Quantum-Si (NASDAQ:QSI) CFO Jeffry Keyes Sells 8,627 Shares

    Defense World

    Quantum-Si Incorporated (NASDAQ: QSI - Get Free Report) CFO Jeffry Keyes sold 8,627 shares of the business's stock in a transaction on Monday, December 22nd. The shares were sold at an average price of $1.28, for a total transaction of $11,042.56. Following the sale, the chief financial officer owned 1,163,197 shares in the company, valued at

  15. Quantum-Si (NASDAQ:QSI) & IQE (OTCMKTS:IQEPF) Head-To-Head Contrast

    Defense World

    IQE (OTCMKTS:IQEPF - Get Free Report) and Quantum-Si (NASDAQ: QSI - Get Free Report) are both small-cap computer and technology companies, but which is the better stock? We will contrast the two businesses based on the strength of their dividends, institutional ownership, earnings, analyst recommendations, risk, profitability and valuation. Profitability This table compares IQE and Quantum-Si's

  16. Quantum-Si incorporated (QSI) Analyst/Investor Day Transcript

    Seeking Alpha

    Quantum-Si incorporated ( QSI ) Analyst/Investor Day November 19, 2025 10:00 AM EST Company Participants Jeffrey Hawkins - President, CEO & Director Todd Rearick - Chief Technology Officer John Vieceli - Chief Product Officer Brian Reed Conference Call Participants Kyle Mikson - Canaccord Genuity Corp., Research Division Swayampakula Ramakanth - H.C. Wainwright & Co, LLC, Research Division Scott Henry - Alliance Global Partners, Research Division Puneet Souda - Leerink Partners LLC, Research Division Presentation Jeffrey Hawkins President, CEO & Director All right.

  17. Head to Head Comparison: Quantum-Si (NASDAQ:QSI) vs. Sequans Communications (NYSE:SQNS)

    Defense World

    Quantum-Si (NASDAQ: QSI - Get Free Report) and Sequans Communications (NYSE: SQNS - Get Free Report) are both small-cap computer and technology companies, but which is the better stock? We will contrast the two companies based on the strength of their institutional ownership, analyst recommendations, profitability, risk, dividends, earnings and valuation. Profitability This table compares Quantum-Si and

  18. Quantum-Si incorporated (QSI) Q3 2025 Earnings Call Transcript

    Seeking Alpha

    Quantum-Si incorporated ( QSI ) Q3 2025 Earnings Call November 5, 2025 4:30 PM EST Company Participants Risa Lindsay Jeffrey Hawkins - President, CEO & Director Jeffry Keyes - CFO & Treasurer Conference Call Participants Alexander Vukasin - Canaccord Genuity Corp., Research Division Scott Henry - Alliance Global Partners, Research Division Swayampakula Ramakanth - H.C. Wainwright & Co, LLC, Research Division Presentation Operator Good day, and thank you for standing by.

  19. Quantum-Si Incorporated (QSI) Reports Q3 Loss, Lags Revenue Estimates

    Zacks Investment Research

    Quantum-Si Incorporated (QSI) came out with a quarterly loss of $0.17 per share in line with the Zacks Consensus Estimate. This compares to a loss of $0.18 per share a year ago.

  20. Reviewing Quantum-Si (NASDAQ:QSI) and Cirrus Logic (NASDAQ:CRUS)

    Defense World

    Cirrus Logic (NASDAQ: CRUS - Get Free Report) and Quantum-Si (NASDAQ: QSI - Get Free Report) are both computer and technology companies, but which is the better investment? We will contrast the two companies based on the strength of their institutional ownership, dividends, earnings, risk, analyst recommendations, valuation and profitability. Profitability This table compares Cirrus Logic and