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SDT Inc.

SDT Inc.

Private
SeoulFrontier & Industrial Techhttps://sdt.inc/

Last Round

Growth Equity

Jan 12, 2026

Est. Valuation

$70.5M

Total Funding Raised

$20.6M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

SDT Inc. is a quantum technology company that provides full-stack quantum computing solutions, including cryogenic systems, quantum control hardware, and hybrid software platforms.

Sector

Frontier & Industrial Tech

Verticals

Quantum Computing, Computing Hardware, Cloud Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales, Usage-Based SaaS, Services & Consulting

AI Layer

Infrastructure

Keywords

quantum computingquantum hardwareQCaaSquantum computing as a servicequbit controller unitQCUhybrid quantum-AIquantum data centerquantum processing unitQPUquantum emulationquantum stackcryogenic hardwaredeep techquantum lab

Historical Pricing

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Caplight Momentum Score

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SDT Inc. Comps

Public and private peers based on sector, stage, and business model.

SDT Inc. comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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SDT Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Growth EquityJan 12, 2026
VC RoundDec 3, 2024

Key People

Founding team and executive leadership

Jiwon Yune

Founder And CEO

Founding Team

Chungwon S.

Chief Technology Officer

Executive Team

Eunsung Kim

연구소장 CTO

Executive Team

OHYONG KWON

Chief Financial Officer

Executive Team

SDT Inc. Investors

Notable investors and investment history

SDT Inc. investors
InvestorRounds
Shinhan Venture InvestmentVC Round
DS Asset ManagementVC Round
Spacetime InvestmentVC Round
Praxis Capital PartnersGrowth Equity
IBK SecuritiesVC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 18, 2026

    Opened South Korea's first commercial quantum computing facility in Seoul.

  • Mar 18, 2026

    Plans to develop photonic integrated circuit quantum computers by 2027.

SDT Inc. Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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SDT Inc. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about SDT Inc.'s valuation, stock price, and market status.

Firmographic Details

HeadquartersSeoul
Employee Range64
Year Founded2017
Last FundingJan 12, 2026

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