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Best Quantum Computing Stocks

Quantum-computing stocks in the covered universe — US-listed companies whose enriched business profile is tagged with quantum computing, sensing, or post-quantum security, ranked by market capitalization. Every figure is delayed data from SEC EDGAR + market data, shown with its as-of date.

  • IonQ, Inc. (IONQ) Information Technology — IonQ is a leader in trapped-ion quantum computing, providing cloud-based access to high-performance quantum processors for research and commercial use. ask →
  • D WAVE QUANTUM INC (QBTS) Information Technology — D-Wave is a provider of quantum computing systems and services aimed at accelerating the path to practical, enterprise-scale quantum applications. ask →
  • RIGETTI COMPUTING INC (RGTI) Information Technology — Rigetti Computing builds superconducting quantum processors and provides cloud-based access to quantum hardware, aiming to unlock practical applications for quantum computing. ask →
  • INFLEQTION INC (INFQ) Information Technology — Infleqtion is a developer of quantum computing technology focused on bridging the gap between scientific innovation and commercial-grade quantum applications. ask →
  • QUANTUM COMPUTING INC (QUBT) Information Technology — Quantum Computing Inc. is a pure-play provider of quantum computing hardware, software, and related services aimed at solving complex industrial-scale computational problems. ask →
  • SKYWATER TECHNOLOGY INC (SKYT) Information Technology — SkyWater Technology is a specialized U.S.-based semiconductor foundry that enables the development and manufacturing of next-generation technology from research to high-volume production. ask →
  • FREQUENCY ELECTRONICS INC (FEIM) Information Technology — A leader in precision time and frequency generation technology for critical space, defense, and C4ISR infrastructure. ask →
  • AELUMA INC (ALMU) Information Technology — Aeluma develops high-performance, scalable photonic and electronic semiconductor devices for AI datacom, sensing, and communications. ask →
  • AmpliTech Group, Inc. (AMPG) Information Technology — A designer and manufacturer of advanced RF, microwave, and semiconductor components enabling 5G, satellite, and quantum computing infrastructure. ask →

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Frequently asked

What are the largest quantum computing stocks?

By market capitalization, the largest quantum computing stocks in the catalog include IonQ, Inc. (IONQ), D WAVE QUANTUM INC (QBTS), RIGETTI COMPUTING INC (RGTI), INFLEQTION INC (INFQ), QUANTUM COMPUTING INC (QUBT).

How many quantum computing stocks does stocks-llm track?

stocks-llm currently lists 9 quantum computing stocks (as of 2026-10-08), each with dated fundamentals from SEC EDGAR and market data. Informational only — not financial advice.

Data: SEC EDGAR (filings) + market data (fundamentals, delayed daily-close). Figures shown with their as-of date.

Last updated 2026-10-08.

Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date.