Quantum Stocks
Publicly traded quantum computing and quantum technology companies
2025 Quantum Stock Rally
Quantum computing stocks have experienced extraordinary gains in 2025, with some pure-play stocks rallying over 500% year-to-date. Key catalysts include Google's Willow chip announcement, increased government quantum initiatives, and growing enterprise adoption.
Extreme Volatility Warning
Quantum stocks are among the most volatile on the market. IonQ alone has had 98 daily moves greater than 5% in the past year. Current valuations are historically stretched - some stocks trade at 300-1000x sales. Most quantum companies remain pre-profit with limited commercial revenue.
US-Listed Quantum Stocks
| Company | Ticker | Exchange | Technology | Notes |
|---|---|---|---|---|
| IonQ | IONQ | NYSE | Trapped-ion | Pure-play quantum computing, most acquisitive |
| Rigetti Computing | RGTI | NASDAQ | Superconducting | Full-stack primary-classical computing |
| D-Wave Quantum | QBTS | NYSE | Quantum Annealing | Optimization-focused, 133+ customers |
| Arqit Quantum | ARQQ | NASDAQ | Quantum Security | QuantumCloud encryption platform |
| Quantum Computing Inc. | QUBT | NASDAQ | Photonic | Acquired QPhoton, pivoting to photonics |
| SEALSQ | LAES | NASDAQ | Post-Quantum Crypto | WISeKey spinout, PQC semiconductors & quantum satellites |
Stock prices and data from Yahoo Finance. This is not financial advice.
International Quantum Stocks
| Company | Ticker | Exchange | Technology | Notes |
|---|---|---|---|---|
| QuantumCTek | 688027 | Shanghai STAR | QKD | China's leading QKD provider |
| BTQ Technologies | BTQ | NEO/OTCQX | Post-Quantum Crypto | Canadian PQC and blockchain security |
| 01 Communique | ONE.V | TSX-V | Post-Quantum Crypto | IronCAP PQC encryption solutions |
| Quantum eMotion | QNC.V | TSX-V/OTCQB | QRNG | Quantum random number generators |
Quantum Technology Categories
Trapped-ion (IonQ)
Uses electrically charged atoms held in electromagnetic traps. Known for high gate fidelity and long coherence times.
Superconducting (Rigetti)
Uses supercooled circuits near absolute zero. Fastest gate speeds, used by IBM and Google.
Quantum Annealing (D-Wave)
Specialized for optimization problems. Uses quantum tunneling rather than gate-based computation.
Photonic (QCI)
Uses light particles (photons). Can operate at room temperature, naturally suited for networking.
Post-Quantum Crypto (SEALSQ, BTQ)
Cryptographic algorithms resistant to quantum attacks. Critical for securing data against future quantum computers.
QRNG (Quantum eMotion)
Quantum Random Number Generators use quantum mechanics for truly unpredictable random numbers, essential for cryptography.
Upcoming IPOs & SPACs
| Company | Expected Ticker | SPAC Partner | Deal Value | Expected Date |
|---|---|---|---|---|
| Horizon Quantum | HQ | dMY Squared Technology | $503M | Q1 2026 |
| Pasqal | TBD | Direct IPO | ~$500M | Late 2025 |
NYSE vs NASDAQ
NYSE (New York Stock Exchange)
The world's largest exchange by market cap. Uses designated market makers and has stricter listing requirements.
NASDAQ
Fully electronic exchange, traditionally home to technology companies. Lower listing fees and faster execution.