Niobium Microsystems

Niobium Microsystems

Private
Dayton, OhioCybersecurityhttps://niobiummicrosystems.com

Last Round

VC Round

Dec 3, 2025

Total Funding Raised

$5.5M

Momentum Score

25 /100

Company Overview

Niobium Microsystems is a hardware company that develops Fully Homomorphic Encryption (FHE) accelerators designed to enable secure computation in encrypted environments.

Sector

Cybersecurity

Verticals

Semiconductors, Data Protection, Cloud Security, Computing Hardware, Defense Tech

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts, Services & Consulting

AI Layer

Infrastructure

Keywords

fully homomorphic encryptionFHEFHE hardware acceleratorencrypted computationconfidential computinghardware acceleratorzero trust computingsystem on a chipSoCPCIe cardfabless semiconductorprivacy enhancing technologyPETscustom siliconquantum-resilient securitysecure AIfederated learningtrusted microelectronics

Historical Pricing

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Caplight Momentum Score

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Niobium Microsystems Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Niobium Microsystems Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
VC RoundDec 3, 2025
SeedMay 7, 2024

Key People

Founding team and executive leadership

David Archer

Chief Technology Officer

Executive Team

Georgios Dimou

Chief Technology Officer

Executive Team

Matt Farrell

Chief Operating Officer

Executive Team

Niobium Microsystems Investors

Notable investors and investment history

InvestorRounds
Fusion FundVC Round, Seed
ADVenturesVC Round
Silicon Catalyst VenturesVC Round
Rev1 AngelsVC Round
Rev1 VenturesVC Round, Seed
Korea Development BankVC Round
JobsOhio VenturesVC Round

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.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Niobium Microsystems Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersDayton, Ohio
Employee Range45
Year Founded2021
Last FundingDec 3, 2025

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