Skip to main content
Caplight Logo









Sigma-i Co., Ltd.

Sigma-i Co., Ltd.

Private
TokyoFrontier & Industrial Techhttps://www.sigmailab.com/

Last Round

Series A

Dec 3, 2019

Est. Valuation

$26.45M

Total Funding Raised

$4.58M

Company Overview

Sigma-i Co., Ltd. is a technology company that provides quantum annealing-based research and development solutions for business optimization, logistics, and materials science.

Sector

Frontier & Industrial Tech

Verticals

Quantum Computing, Logistics Software, Advanced Materials, Smart Manufacturing, HR

Business Model

B2B

Customer Profile

Services & Consulting, Subscription SaaS

AI Layer

Application

Keywords

quantum annealingcombinatorial optimizationquantum computingquantum algorithmslogistics optimizationmaterials informaticsquantum consultingresource schedulingblack box optimizationquantum-classical hybriddeep techquantum softwareindustrial optimizationquantum cloudquantum tech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Sigma-i Co., Ltd. Comparables

Compare Sigma-i Co., Ltd. with similar companies based on industry and business-model similarity.

Sigma-i Co., Ltd. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Quanmatic, Inc.
86%
Jij Inc.
83%
QunaSys Inc.
80%

Sigma-i Co., Ltd. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ADec 3, 2019

Sigma-i Co., Ltd. Investors

Notable investors and investment history

Sigma-i Co., Ltd. investors
InvestorRounds
SPARX GroupSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 2, 2026

    Monthly visitors grew 115% MoM, reaching 4.3K.

  • Nov 10, 2025

    Monthly visitors increased 44% MoM, reaching 2.5K.

Sigma-i Co., Ltd. Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Sigma-i Co., Ltd. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Sigma-i Co., Ltd.'s valuation, stock price, and market status.

Firmographic Details

HeadquartersTokyo
Employee Range5
Year Founded2019
Last FundingDec 3, 2019

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?