Quantum Stocks by US Government Funding

1. Infleqtion (INFQ) — $109.90M

Infleqtion (formerly ColdQuanta) designs and builds quantum computers, precision sensors, and quantum software using cold atom and neutral atom technology. Its Sqale quantum computer has been commercially deployed at the UK National Quantum Computing Centre.

2. IonQ (IONQ) — $13.41M

IonQ develops trapped-ion quantum computers accessible via cloud through AWS Braket, Azure Quantum, and Google Cloud. The company builds full-stack quantum hardware and software targeting fault-tolerant quantum computing.

3. Rigetti Computing (RGTI) — $12.10M

Rigetti Computing is a full-stack quantum-classical computing company using superconducting qubits. It fabricates its own chips at Fab-1 and provides cloud access through Quantum Cloud Services (QCS).

4. Quantinuum (QNT) — $3.98M

Quantinuum develops trapped-ion quantum computers and quantum software, spun out of Honeywell in 2021. Its H-Series and Helios systems hold world records in gate fidelity and quantum volume. Software platforms include InQuanto (quantum chemistry), Quantum Origin (cybersecurity entropy), and lambeq (quantum NLP/AI). IPO: Nasdaq June 2026.

5. Quantum-Si (QSI) — $381.06K

Quantum-Si is building a semiconductor chip-based platform for single-molecule protein sequencing using quantum-detection technology. Its Platinum Pro system targets proteomics research; next-gen Proteus instrument targets Q2 2027 commercial launch.

6. Quantum Computing Inc (QUBT) — $95.66K

Quantum Computing Inc develops photonic quantum processors and reservoir quantum computing systems. Its Dirac series uses Entropy Quantum Computing (EQC) for constrained optimization, and its Neurawave product applies photonic reservoir computing to edge AI inference.

7. D-Wave Quantum (QBTS) — $40.00K

D-Wave is the world's first commercial quantum computing company, specializing in quantum annealing technology for optimization problems. Its systems are used in logistics, finance, and drug discovery.