Rankings

PsiQuantum

4 USPTO filings on photon-source multiplexing

Quantinuum

Rumored pre-IPO round per FT sources

IQM Quantum Computers

Filed 3 EPO patents on cryogenic control electronics

SandboxAQ

New NIST PQC migration partnership announced

IonQ

Trapped-ion quantum computers available over major cloud platforms.

Pasqal

arXiv: 200-atom simulation of quantum magnetism

Alice & Bob

arXiv: logical qubit lifetime record with cat qubits

Xanadu

Headcount down 2% over 6 months — watch flag

Quandela

2 EPO filings on single-photon source efficiency

Atom Computing

Neutral-atom systems; first to exceed 1,000 physical qubits.

Oxford Quantum Circuits

Superconducting quantum computers delivered as a cloud service.

Sparrow Quantum

8 new roles — fastest Nordic hiring pace this month

Terra Quantum

Full-stack quantum software, algorithms and quantum-as-a-service.

Rigetti Computing

Full-stack superconducting quantum computing; public since 2022.

Multiverse Computing

Extension to Series A, +€12M for model-compression push

QuiX Quantum

Photonic quantum processors based on integrated photonic chips.

D-Wave Quantum

Quantum annealing systems and hybrid solvers; public since 2022.

ORCA Computing

Photonic quantum systems for data-center integration.

Algorithmiq

Quantum algorithms for drug discovery and life sciences.

planqc

6 roles opened in Garching — scaling hardware team

Qblox

Scalable qubit control and readout electronics for quantum labs.

Chipiron

Quantum sensing for portable, ultra-low-field MRI.

SEEQC

Digital chip-based superconducting quantum computing.

Quantum Brilliance

Room-temperature diamond-based quantum accelerators.

Kvantify

Quantum and HPC software for computational chemistry and finance.