# OptQC

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/optqc

- Industry: Software
- Headquarters: Tokyo, Japan
- Website: www.optqc.com
- Total disclosed funding: $58M
- Latest round: Series A (Aug 24, 2026)
- Investors on record: 22

## About

Founded in 2024 and based in Tokyo, Japan, OptQC Corp. develops optical quantum computers, focusing on scalable quantum entanglement processes essential for advanced computation. In August 2026, OptQC Corp. raised JPY 7 billion in series A2 funding led by NTT, with participation from Nissay Capital, Canon Marketing Japan, Kyocera Corporation, Shimadzu, Sumisho Venture Partners, Mizuho Capital, Prime Partners, Mitsubishi Electric, Mitsubishi UFJ Capital, NGK Insulators, ANA Holdings, KDDI, SBI Holdings, SMBC Venture Capital, SPARX Group, Mobile Internet Capital, SBI Investment, Delight Ventures, Japan Science and Technology Agency, and Global Brain. OptQC specializes in the development and sale of optical quantum computers, focusing on scalable quantum entanglement generation processes essential for quantum computing. The core offerings include advanced quantum processors capable of generating two-dimensional cluster states, which are pivotal for enhancing quantum computation efficiency. Their technology targets research institutions and technology companies looking to leverage quantum computing capabilities. OptQC’s products are marketed in Japan and key international markets, including the United States and Europe, where demand is growing. OptQC's revenue model is anchored in the direct sale of quantum computing systems and related services, involving customization and technical support for enterprise clients. Transactions are primarily structured as business-to-business (B2B) engagements, collaborating with research institutions and corporate partners. The company plans to use the August 2026 funding to develop next-generation optical quantum processors and expand its research, engineering, and business teams.

## Funding rounds

- Series A, Aug 24, 2026, $44M — SBI Holdings, NTT, Mobile Internet Capital, KDDI, Kyocera Corporation, Mitsubishi UFJ Capital, SMBC Venture Capital, Global Brain, SPARX Group, Mizuho Capital, SBI Investment, Nissay Capital, Japan Science and Technology Agency, ANA Holdings, Canon Marketing Japan, Prime Partners, Mitsubishi Electric, Delight Ventures, Shimadzu, Sumisho Venture Partners, NGK Insulators
- Series A, Oct 22, 2025, $10M — Global Brain, Japan Science and Technology Agency, UTokyo Innovation Platform, Delight Ventures
- Seed, Jan 23, 2025, $4.2M — Global Brain, Japan Science and Technology Agency, UTokyo Innovation Platform, Delight Ventures

## Investors

- Global Brain (https://capitalatlas.ai/funds/global-brain) — Seed, Series A
- Japan Science and Technology Agency — Seed, Series A
- UTokyo Innovation Platform (https://capitalatlas.ai/funds/utokyo-innovation-platform) — Seed, Series A
- Delight Ventures (https://capitalatlas.ai/funds/delight-ventures) — Seed, Series A
- SBI Holdings — Series A
- NTT — Series A
- Mobile Internet Capital (https://capitalatlas.ai/funds/mobile-internet-capital) — Series A
- KDDI — Series A
- Kyocera Corporation — Series A
- Mitsubishi UFJ Capital (https://capitalatlas.ai/funds/mitsubishi-ufj-capital) — Series A
- SMBC Venture Capital (https://capitalatlas.ai/funds/smbc-venture-capital) — Series A
- SPARX Group (https://capitalatlas.ai/funds/sparx-group) — Series A
- Mizuho Capital (https://capitalatlas.ai/funds/mizuho-capital) — Series A
- SBI Investment (https://capitalatlas.ai/funds/sbi-investment) — Series A
- Nissay Capital (https://capitalatlas.ai/funds/nissay-capital) — Series A
- ANA Holdings — Series A
- Canon Marketing Japan — Series A
- Prime Partners (https://capitalatlas.ai/funds/prime-partners) — Series A
- Mitsubishi Electric — Series A
- Shimadzu — Series A
- Sumisho Venture Partners (https://capitalatlas.ai/funds/sumisho-venture-partners) — Series A
- NGK Insulators — Series A