SDT Inc.
PrivateLast 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. operates in AI, Data & Cloud Infrastructure and is based in Seoul. Its latest recorded funding round was a Growth Equity round in January 2026.
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
AI, Data & Cloud Infrastructure
Verticals
Quantum Computing, Computing Hardware, Cloud Infrastructure
Business Model
B2B
Customer Profile
Hardware Sales, Usage-Based SaaS, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SDT Inc. Comparables
Compare SDT Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Qblox | 82% | |
| Quantum Machines | 79% | |
| Anyon Systems Inc. | 77% |
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SDT Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Growth Equity | Jan 12, 2026 | ||||
| VC Round | Dec 3, 2024 |
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Key People
Founding team and executive leadership
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SDT Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Shinhan Venture Investment | VC Round |
| DS Asset Management | VC Round |
| Spacetime Investment | VC Round |
| Praxis Capital Partners | Growth Equity |
| IBK Securities | VC 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.
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Recent news
Latest coverage and updates
- is_developingSep 23, 2026
SDT Inc. and IonQ intend to develop hybrid quantum-classical infrastructure for medical and biomedical research at a planned cancer center in South Korea, but they have not disclosed the institution or detailed scope.
- expands_facilitiesSep 22, 2026
In Sep '26, SDT Inc. plans to establish a quantum manufacturing and system-integration facility in Gumi as part of an agreement that includes deploying IonQ's Superion 256 quantum computer in South Korea.
- expands_facilitiesSep 22, 2026
On Sep 21st '26, SDT Inc. announced plans to establish a dedicated quantum manufacturing and system-integration facility in South Korea.
- is_developingAug 28, 2026
SDT Inc. collaborates with SDT on an immersion cooling system using Kixx Immersion Fluid S, providing a practical demonstration at 2026 OCP Korea Tech Day in Korea.
- attends_eventAug 13, 2026
On Aug 13th '26, SDT Inc. joins Open Quantum Design as a primary hardware manufacturing partner, with the strategic agreement announced at Quantum Korea 2026.
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SDT Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about SDT Inc.'s valuation, stock price, and market status.
Is SDT Inc. a public or private company?
SDT Inc. is a private company.
What is the current stock price of SDT Inc.?
SDT Inc. is a private company, so its shares have no public market price. Caplight tracks SDT Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SDT Inc. worth (valuation)?
SDT Inc.'s valuation is estimated at $70.5M based on funding round data.
Can I buy SDT Inc. stock?
SDT Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SDT Inc.'s last funding round?
SDT Inc.'s most recent funding round was Growth Equity on January 12, 2026.
Who are the main investors in SDT Inc.?
Key investors in SDT Inc. include Shinhan Venture Investment, Praxis Capital Partners.
Will SDT Inc. IPO soon?
No public IPO plans have been announced for SDT Inc..
How can I track SDT Inc. secondary market activity?
Caplight tracks bids, offers, and trades in SDT Inc.'s shares on secondary markets.