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 Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
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 |
Key People
Founding team and executive leadership
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.
- Apr 17, 2026
Received grant funding.
- Apr 17, 2026
New TAU Labs facility in California available to European researchers.
TAU Systems Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about TAU Systems's valuation, stock price, and market status.