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. 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
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% |
SDT Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Growth Equity | Jan 12, 2026 | ||||
| VC Round | Dec 3, 2024 |
Key People
Founding team and executive leadership
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.
Recent news
Latest coverage and updates
- is_developingSep 23, 2026
SDT Inc. is developing hybrid quantum-classical infrastructure on Sep 21st '26.
- expands_facilitiesSep 22, 2026
SDT Inc. expanded facilities to Gumi on Sep 22nd '26.
- expands_facilitiesSep 22, 2026
SDT Inc. expanded facilities to South Korea, Eastern Asia, Asia on Sep 21st '26.
- is_developingAug 28, 2026
SDT Inc. is developing immersion cooling system on Jul 1st '25.
- attends_eventAug 13, 2026
SDT Inc. attended event Quantum Korea 2026 on Aug 13th '26.
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.
Request accessFrequently 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 with no public stock price. No recent secondary market data is available.
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. Visit https://www.caplight.com to learn more.
When was SDT Inc.'s last funding round?
SDT Inc.'s most recent funding round was VC Round on December 3, 2024.
Who are the main investors in SDT Inc.?
Key investors in SDT Inc. include Shinhan Venture Investment.
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 for private companies. Visit https://www.caplight.com to monitor SDT Inc.'s secondary market activity and sign up for updates.