TAU Systems
PrivateLast Round
Grant
Apr 17, 2026
Total Funding Raised
$35M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
TAU Systems is a deep-tech company developing compact particle accelerators and specialized X-ray free-electron lasers to provide affordable beam-time access for biotechnology, semiconductor, and nuclear applications.
Sector
Frontier & Industrial Tech
Verticals
Semiconductors, Medical Imaging, Advanced Materials, Biotech Equipment
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
TAU Systems Comparables
Compare TAU Systems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Lyncean Technologies, Inc. | 79% | |
| Sigray, Inc. | 78% | |
| Inversion Semiconductor | 72% |
TAU Systems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Apr 17, 2026 | ||||
| Seed | Apr 29, 2025 | ||||
| Grant | Feb 5, 2025 | ||||
| Seed | Sep 26, 2022 |
TAU Systems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Team Global | Seed |
| Impact Ventures | Seed |
| Quantonation | Seed |
| Impact Ventures | Seed |
| Defense Advanced Research Projects Agency | Grant |
| RADNEXT 2030 | Grant |
| Alumni Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 30, 2026
Grew 23% QoQ, from 22 to 27 employees.
- Jul 26, 2026
Monthly visitors grew 41% MoM, reaching 3.4K.
TAU Systems 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 TAU Systems's valuation, stock price, and market status.
Is TAU Systems a public or private company?
TAU Systems is a private company.
What is the current stock price of TAU Systems?
TAU Systems is a private company with no public stock price. No recent secondary market data is available.
How much is TAU Systems worth (valuation)?
Valuation information for TAU Systems is not publicly available.
Can I buy TAU Systems stock?
TAU Systems 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 TAU Systems's last funding round?
TAU Systems's most recent funding round was Grant on April 17, 2026.
Who are the main investors in TAU Systems?
Key investors in TAU Systems include Quantonation.
Will TAU Systems IPO soon?
No public IPO plans have been announced for TAU Systems.
How can I track TAU Systems secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor TAU Systems's secondary market activity and sign up for updates.