QunaSys

QunaSys is a quantum computing company in Tokyo, Japan, founded in 2018. It has raised $21.2M across 2 rounds, most recently an $11.2M Series B in November 2024.

Developing algorithms and software to maximize the potential of quantum computers

Headquarters
Tokyo
Employees
11–50
Founded
2018
Business Model
B2B
Total Funding
$21.2M
Last Round
$11.2M Series BNov 2024
Rounds
2

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 5 investors for this company. The full record is or through the API.

About

QunaSys is a Tokyo-based quantum computing software company founded in 2018, focused on developing innovative algorithms and software to maximize the practical value of quantum computers. The company specializes in quantum chemistry simulation, offering proprietary high-performance algorithms — including the widely-cited QSCI (Quantum-Selected Configuration Interaction) method — delivered on platforms including IBM Quantum. QunaSys serves enterprises in the chemical, energy, materials, and pharmaceutical industries through joint research projects, its QPARC industry consortium, and the QURI SDK for quantum algorithm developers. The company has collaborated with partners including IBM, Fujitsu, ENEOS, Repsol, and IQM, and has raised a Series B round (December 2024) with investors including SPARX Asset Management. QunaSys operates offices in Tokyo and Copenhagen.

Summary

It lists 11–50 employees. It has raised $21.2M in total across 2 rounds, most recently a $11.2M Series B round in Nov 2024. Investors include SPARX Asset Management, JIC Venture Growth Investments and Sumitomo Mitsui Banking Corporation.

Tech & App Stack

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Funding History

Data from Indexed.vcUpdated
Series BSeries BNov 2024
$11.2M

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Funding: Series B. Amounts, valuations, and investors where available.

Investors

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