Niobium Microsystems
PrivateLast Round
Seed
Dec 3, 2025
Total Funding Raised
$28.5M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Niobium Microsystems operates in AI, Data & Cloud Infrastructure and is based in Dayton, Ohio. Its latest recorded funding round was a Seed round in December 2025.
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, Data Protection, Zero Trust, Cloud Infrastructure
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting, Government Contracts
AI Layer
Infrastructure
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 | 85% | |
| CipherSonic Labs | 79% | |
| LatticaAI | 76% |
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Niobium Microsystems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Dec 3, 2025 | ||||
| Seed | Mar 6, 2025 | ||||
| Seed | May 7, 2024 |
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Key People
Founding team and executive leadership
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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 |
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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.
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Niobium Microsystems 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 Niobium Microsystems's valuation, stock price, and market status.
Is Niobium Microsystems a public or private company?
Niobium Microsystems is a private company.
What is the current stock price of Niobium Microsystems?
Niobium Microsystems is a private company, so its shares have no public market price. Caplight tracks Niobium Microsystems's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Niobium Microsystems worth (valuation)?
Valuation information for Niobium Microsystems is not publicly available.
Can I buy Niobium Microsystems stock?
Niobium Microsystems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Niobium Microsystems's last funding round?
Niobium Microsystems's most recent funding round was Seed on December 3, 2025.
Who are the main investors in Niobium Microsystems?
Key investors in Niobium Microsystems include Fusion Fund.
Will Niobium Microsystems IPO soon?
No public IPO plans have been announced for Niobium Microsystems.
How can I track Niobium Microsystems secondary market activity?
Caplight tracks bids, offers, and trades in Niobium Microsystems's shares on secondary markets.