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Company database

5 tracked quantum companies · updated weekly

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CompanyScore30dTrackStageInvestTotal raisedHQ
IQM Quantum Computers
European leader in superconducting quantum computers for HPC centers and research labs.
84▲ 2.4SuperconductingSeries B Pre-IPO€210mEspoo
Alice & Bob
Cat-qubit architecture aiming at hardware-efficient fault tolerance.
77▲ 3.1SuperconductingSeries B Private€130mParis
Oxford Quantum Circuits
Superconducting quantum computers delivered as a cloud service.
69▲ 0.7SuperconductingSeries B Private€130mReading
Rigetti Computing
Full-stack superconducting quantum computing; public since 2022.
66– 0.0SuperconductingPublic Listed · RGTI€350mBerkeley
SEEQC
Digital chip-based superconducting quantum computing.
58▲ 0.6SuperconductingSeries A Private€60mElmsford
84
IQM Quantum Computers▲ 2.4
European leader in superconducting quantum computers for HPC centers and research labs.
Superconducting€210m Pre-IPO
77
Alice & Bob▲ 3.1
Cat-qubit architecture aiming at hardware-efficient fault tolerance.
Superconducting€130m Private
69
Oxford Quantum Circuits▲ 0.7
Superconducting quantum computers delivered as a cloud service.
Superconducting€130m Private
66
Rigetti Computing– 0.0
Full-stack superconducting quantum computing; public since 2022.
Superconducting€350m Listed · RGTI
58
SEEQC▲ 0.6
Digital chip-based superconducting quantum computing.
Superconducting€60m Private