Startup

Optqc logoO

Optqc

OptQC株式会社

Quantum

#61 in the Japan Top 100 Startups

Founded / HQ2024 · Tokyo
Cumulative raised¥9.15B
“累計調達額91億5,000万円”
Company-stated cumulative · as of 2026-08 · OptQC (via STARTUP DB)
Over ¥20B including grants already awarded.
Last round2026-08 · Series A2 · ¥7B
総額70億円
Latest public valuationNot publicly disclosed (we do not estimate)
Key investorsBRICKS FUND TOKYO, SPARX Asset Management, SMBC Venture Capital, SBI Investment
UnicornNo
Websiteoptqc.com

From Japanese sources

Findings from Japanese-language filings, government records, trade press, interviews and job posts, with our English analysis. Items tagged Japanese-only had no English coverage when we checked quickly. Most insightful first.

2025-08-06GovernmentJapanese-onlyOptQC wins two NEDO post-5G grants: a 10,000-mode optical quantum processor and photon-number detectors with AIST
OptQCがNEDO「ポスト5G研究開発事業」に採択

Under NEDO's post-5G programme (announced 31 July 2025) the 2024-founded University of Tokyo spin-out will build the successor to AIST G-QuAT's first commercial optical machine, at 100x the mode count. State funding underpins its roadmap more than VC rounds do.

Source: OptQC (PR TIMES)

Overview

OptQC is developing optical quantum computers. It was founded in 2024 and is led by CEO Hiroshi Takase. It raised a ¥650M seed round led by Global Brain in January 2025 and a ¥1.5B Series A1 later that year, and reported cumulative funding of ¥9.15B in August 2026.

Built from: Series A1 release

Company timeline

Founded

Date2024-09-02· OptQC
FoundersHiroshi Takase

Funding

DateRoundAmountLead / key investorsSource
2025-01-23Seed¥650M
6.5億円
Global BrainPR TIMES
2025-10-22Series A1¥1.5B
15億円
Company release
2026-08-25Series A¥7B
総額70億円
PR TIMES

Key hires & board

2026-08-06HireMichihiro Maeda appointed executive officer and CFO· OptQC

Milestones

2026-08-03PartnershipNew capital and business alliance with NTT for optical quantum computing· OptQC
2026-08-03PartnershipNew capital and business alliance with NTT· PR TIMES
2026-09-17RecognitionSelected for Tokyo business-location subsidy· OptQC

News

2026-10-16Meeting with Thailand's deputy prime minister
{ } タイ王国のヨッチャナン副首相と面会しました· OptQC
2026-10-16Meeting with Thailand's deputy prime minister
OptQC、タイ王国のヨッチャナン副首相と面会· PR TIMES
2026-10-06COO Iwata to speak at NAGOYA CONNÉCT
{ Event } 「NAGOYA CONNÉCT」にCOO岩田が登壇します· OptQC
2026-10-01Spoke at ASEAN Semiconductor Forum 2026
{ } 国際会議「ASEAN Semiconductor Forum 2026」に登壇しました· OptQC
2026-10-01Spoke at ASEAN Semiconductor Forum 2026
OptQC、国際会議「ASEAN Semiconductor Forum 2026」に登壇· PR TIMES
2026-09-25COO Iwata to speak at Quantum Deep Tech Showcase in Osaka
{ Event } 大阪で開催される「Quantum Deep Tech Showcase & Business Matching」にCOO岩田が登壇します· OptQC
2026-09-17Selected for Tokyo business-location subsidy
{ } 東京都の「新産業創出に向けた企業立地支援補助金」に採択されました· OptQC
2026-09-17Selected for Tokyo business-location subsidy
OptQC、東京都の「新産業創出に向けた企業立地支援補助金」に採択· PR TIMES
2026-09-10Attending Quantum World Congress 2026 in the US
{ Event } 米国で開催される量子カンファレンス「Quantum World Congress (QWC) 2026」に参加します· OptQC
2026-09-01OptQC Note: "Frontier" series part 2
{ } 【OptQC Note】特別連載『フロンティア』第2回「諦めず達観せず、挑み続ける姿」を公開しました· OptQC
2026-08-25Series A2 completes; ¥7B in total
{ } 総額70億円の資金調達(シリーズA2)が完了しました· OptQC
2026-08-25Series A2 raises ¥7B
光量子コンピュータの実用化を目指すOptQC株式会社、シリーズA2ラウンドでの第三者割当増資により総額70億円の資金調達を実施· PR TIMES
2026-08-19Featured in Yano E plus, Aug 2026
{ Media } 矢野経済研究所「Yano E plus」2026年8月号に、当社の取り組みが掲載されました· OptQC
2026-08-06Michihiro Maeda appointed executive officer and CFO
{ } 前田 倫宏氏が執行役員CFOに就任しました· OptQC
2026-08-06Michihiro Maeda appointed executive officer and CFO
OptQC、ファイナンス体制の強化に向け前田 倫宏が執行役員CFOに就任· PR TIMES
2026-08-03New capital and business alliance with NTT for optical quantum computing
{ } 光量子コンピュータの実用化に向け、NTTと新たに資本業務提携契約を締結しました· OptQC
2026-08-03New capital and business alliance with NTT
OptQCとNTT、光量子コンピュータの実用化に向け新たに資本業務提携契約を締結· PR TIMES
2026-07-31Spoke at Japan–Australia quantum workshop
{ } 日本とオーストラリアの連携強化に向けた「日豪量子ワークショップ」に登壇しました· OptQC
2025-10-22Series A1: ¥1.5B· Company release
2025-01-23Seed: ¥650M· PR TIMES

See all news on the company site →

Funding rounds in 2026

Grey amounts aren't counted in totals. † includes debt or other non-equity.

DateCompanyStageAmountInvestorsSector
26 Aug 2026 Optqc logoOOptqc Series A ¥7B BRICKS FUND TOKYOSPARX Asset ManagementSMBC Venture Capital +8 QuantumDeep tech