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OptQC

Active#30 in Japan

Estimated valuation · Quantum computers · Japan

Develops room-temperature optical quantum computers using light-based qubits, spun out of University of Tokyo research, for research institutions and industrial users.

HQTokyo
RaisedJPY 9.15bn
Last roundSeries A2 · Aug 2026
Country of originJapanListed in the Japan ranking
Where would you invest?JapanJurisdiction as cited by the ranking

Estimated valuation

AI · Japan ranking
≈ USD 230MUSD 110–460M · Hundreds of M$
Anchor
Last known equity round: Series A2 · USD 44.2M · Aug 2026
AI adjustment
None

In the Quantum computers ranking (worldwide): ≈ USD 230M · USD 110–460M · Hundreds of M$.

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Uback rankings

How the AI ranks →
RankingTierRankEditionNext update
Japan · all sectorsTop 50#30Edition 0 · October 202610 Jan 2027
Quantum computers · worldwideTop 46#24Edition 0 · Oct 20266 Dec 2026
Rank historyOct 2026 · #24 Quantum computersOct 2026 · #30 JapanFirst edition: no movements yet.

Funding history

JPY 9.15bn raised in total
DateRoundAmountTypeInvestors
Aug 2026Series A2USD 44MEquityNTT, Canon Marketing Japan, Kyocera, Shimadzu, Mitsubishi Electric

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Independent analyses

By industry professionals & analysts

Industry professionals and financial analysts can publish their own analysis of OptQC as a PDF. It must answer at least one of these four questions, and stick to them:

AI valuation: $230MUndervalued or overvalued?
Versus competitorsHow does it compare?
Who should acquire itStrategic buyers, and why
Who should it acquireAcquisition targets, and why
Publish an analysisName, role and LinkedIn shown · public sources only

Analyses are the opinion of their authors, not of Uback. They are checked before publication.

Comparable companies in Japan

Full Japan ranking →

Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.