Stock symbols, often called ticker symbols, are short identifiers used to represent publicly traded companies on stock exchanges, including recent listings and IPO year details.

Symbol Company Name Exchange Country IPO Year Industry Market Cap
QMCO Quantum Corporation Common Stock nasdaq US - Electronic Components 227.91M
QNC Quantum eMotion Corp. Common Shares amex 2026 - 697.60M
QNCX Quince Therapeutics Inc. Common Stock nasdaq US 2019 Biotechnology: Biological Products (No Diagnostic Substances) 14.58M
QNRX Quoin Pharmaceuticals Ltd. American Depositary Shares nasdaq IL 2016 Medical/Dental Instruments 9.34M
QNST QuinStreet Inc. Common Stock nasdaq US 2010 Business Services 741.91M
QNT Quantinuum Inc. Class A Common Stock nasdaq US 2026 EDP Services 17.25B
QNTM Quantum Biopharma Ltd. Class B Subordinate Voting Shares nasdaq CA - Biotechnology: Pharmaceutical Preparations 24.38M
QQQX Nuveen NASDAQ 100 Dynamic Overwrite Fund Shares of Beneficial Interest nasdaq US - Finance Companies -
QRED QuasarEdge Acquisition Corporation Ordinary Shares nyse 2026 Blank Checks -
QRHC Quest Resource Holding Corporation Common Stock nasdaq US - Environmental Services 31.61M
QRVO Qorvo Inc. Common Stock nasdaq US - Semiconductors 8.49B
QS QuantumScape Corporation Class A Common Stock nasdaq US - Industrial Machinery/Components 4.60B
QSEA Quartzsea Acquisition Corporation Ordinary Shares nasdaq US 2025 Blank Checks -
QSEAR Quartzsea Acquisition Corporation Rights nasdaq US 2025 Blank Checks -
QSEAU Quartzsea Acquisition Corporation Units nasdaq US 2025 Blank Checks -
QSI Quantum-Si Incorporated Class A Common Stock nasdaq US 2020 Industrial Machinery/Components 210.36M
QSR Restaurant Brands International Inc. Common Shares nyse CA 2014 Restaurants 34.23B
QTEX QTREX Quantum Ltd. Ordinary Shares nasdaq IL 2021 Medical/Dental Instruments 119.92M
QTEXW QTREX Quantum Ltd. Warrant nasdaq IL 2021 Medical/Dental Instruments 6.39M
QTI QT Imaging Holdings Inc. Common Stock nasdaq US - Biotechnology: Electromedical & Electrotherapeutic Apparatus 44.32M
QTRX Quanterix Corporation Common Stock nasdaq US 2017 Biotechnology: Laboratory Analytical Instruments 148.85M
QTTB Q32 Bio Inc. Common Stock nasdaq US 2018 Biotechnology: Pharmaceutical Preparations 216.79M
QTWO Q2 Holdings Inc. Common Stock nyse US 2014 Computer Software: Prepackaged Software 2.70B
QUAD Quad Graphics Inc Class A Common Stock nyse US - Publishing 391.08M
QUBT Quantum Computing Inc. Common Stock nasdaq US - Computer Software: Prepackaged Software 2.30B
QUCY Quantum Cyber N.V. Ordinary Shares nasdaq DE 2021 Biotechnology: Pharmaceutical Preparations 40.73M
QUIK QuickLogic Corporation Common Stock nasdaq US 1999 Semiconductors 384.36M
QUMS Quantumsphere Acquisition Corp. Ordinary Shares nasdaq US 2025 - -
QUMSR Quantumsphere Acquisition Corp. Rights nasdaq US 2025 - -
QUMSU Quantumsphere Acquisition Corp. Units nasdaq US 2025 - -