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OptQC

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Scalable optical quantum computers operating at room temperature

Tokyo, JapanFounded 2024Semiconductors
Valuation $250–500M Last recorded · 2026
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for OptQC and the history behind them.

About OptQC

OptQC is a deep-tech spin-off from the University of Tokyo dedicated to commercializing the world’s first scalable, general-purpose optical quantum computer. Emerging from the renowned Furusawa Laboratory, the company leverages a unique continuous-variable approach that enables quantum processing to function at room temperature, eliminating the need for the massive dilution refrigerators required by superconducting competitors.

The company’s core innovation lies in "time-domain multiplexing" technology, which allows for the generation of large-scale quantum entanglement on a single optical circuit. By processing information using light pulses rather than static physical qubits, OptQC aims to achieve unprecedented scalability—targeting systems with over 10,000 modes. This architecture promises to deliver fault-tolerant, high-speed quantum computing power capable of solving complex combinatorial optimization and chemical simulation problems.

Headquartered in Tokyo, OptQC is rapidly transitioning from academic breakthrough to industrial application with backing from major investors like Global Brain and UTokyo IPC. The company is positioning itself as a key player in the "Post-5G" information infrastructure, utilizing significant venture capital and government support to build energy-efficient quantum hardware that can be deployed in standard data center environments.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2024
Headquarters
Tokyo, Japan
Employees
27
Open positions
None listed
Dealroom signal
89.0/100
Industry
Semiconductors
Sector
Semiconductors, Quantum Computing, Spinout, Quantum Computers and Processors, Quantum Photonic Chips and Processors, DT and LS
Technology
Deep Tech, Quantum Technologies
Business model
Manufacturing
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Aug 2026 — — Elite Capital (Third party investment fund) · Nissay Capital ↗
SERIES A✓Equity / VC Oct 2025 $12M $46M UTEC - The University of Tokyo Edge Capital Partners · Global Brain Corporation · Japan Science and Technology Agency · Delight Ventures ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Growth signals

OptQC website traffic

Latest recorded traffic for OptQC is 6.6K monthly website visits, up 53.5% over the last three months. OptQC's team grew 125% over the past year.

Latest monthly visits6.6K 3-month web change+53.5% 1-year team growth+125%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

8 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed5 investors entered at this stage

  • Global Brain Corporation
  • Japan Science and Technology Agency
  • UTokyo Innovation Platform
  • Delight Ventures
  • NEDO

Series A3 investors entered at this stage

  • UTEC - The University of Tokyo Edge Capital Partners
  • Elite Capital (Third party investment fund)
  • Nissay Capital
Team profiled 2 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇯🇵 Japan63.2%
🇩🇪 Germany5.3%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about OptQC on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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