Niobium Microsystems
PrivateLast Round
Seed
Dec 3, 2025
Total Funding Raised
$34M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Niobium Microsystems is a hardware company that develops purpose-built silicon and encrypted cloud platforms to enable secure computation using Fully Homomorphic Encryption (FHE).
Sector
AI, Data & Cloud Infrastructure
Verticals
Semiconductors, Computing Hardware, Cloud Security, Data Protection
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting, Government Contracts
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Niobium Microsystems Comparables
Compare Niobium Microsystems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Belfort | 87% | |
| Optalysys | 83% | |
| Intel Research | 71% | |
Niobium Microsystems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Dec 3, 2025 | ||||
| Seed | May 7, 2024 | ||||
| Seed | Dec 22, 2023 |
Key People
Founding team and executive leadership
Niobium Microsystems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Fusion Fund | Seed |
| ADVentures | Seed |
| Hale Capital Partners | Seed |
| Morgan Creek Capital Management | Seed |
| Rev1 Ventures | Seed |
| Korea Development Bank | Seed |
| Silicon Catalyst | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 10, 2026
John Barrus departs to become VP of Product at Niobium Microsystems.
- Mar 10, 2026
John Barrus joins as VP of Product, formerly with Groq.
Niobium Microsystems 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 Niobium Microsystems's valuation, stock price, and market status.