Niobium Microsystems

Home • Niobium

Dayton, United States · Founded 2021 · $28.5M raised

Headquarters
Dayton, Ohio
Employees
11–50
Founded
2021
Business Model
B2B
Website
niobium.co
Total Funding
$28.5M
Last Round
$23.0M Series ADec 2025
Rounds
2

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 7 investors for this company. The full record is or through the API.

About

Niobium Microsystems is a semiconductor company that designs purpose-built hardware accelerators and an encrypted cloud platform to make fully homomorphic encryption (FHE) practical for real-world AI and enterprise workloads. Founded in 2021 as a spinout from Galois, Inc., a security and computing-systems research and development firm, and headquartered in Dayton, Ohio, Niobium's leadership combines pioneering FHE cryptography research with proven silicon execution at scale, aiming to turn data privacy from a liability into a business asset.

Summary

Niobium Microsystems is a Cybersecurity company based in Dayton, United States, founded in 2021. It has raised $28.5M in total across 2 rounds, most recently a $23.0M Series A round in Dec 2025. Investors include Fusion Fund, Morgan Creek Capital Management and Rev1 Ventures.

Tech & App Stack

5 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Series ASeries ADec 2025
$23.0M

Sign up to see all 2 events

Funding: Seed through Series A. Amounts, valuations, and investors where available.

Investors

Similar Companies

Micron TechnologyIPO

Micron Technology is the only US-based manufacturer of advanced DRAM, NAND, and storage memory so...

Boise, United States10001+Artificial Intelligence, Hardware
GrantTotal funding$6.2BDec 2024
Groq

Groq delivers fast, low cost AI inference using custom LPU (Language Processing Unit) chips and G...

Mountain View, United States201–500Artificial Intelligence, Hardware
Series ATotal funding$4.2BAug 2026
SambaNova Systems

Provides AI inference hardware and cloud platform for enterprises, using RDUs and SambaCloud to r...

Palo Alto, United States201–500Artificial Intelligence, Developer Tools
Series FTotal funding$2.5BJul 2026
Tenstorrent

Designs and sells AI processors, accelerator cards, and software, licensing RISC-V IP to enterpri...

Toronto, Canada501–1000Artificial Intelligence, Hardware
Series ETotal funding$2.3BNov 2025
Cerebras SystemsIPO

Cerebras provides wafer-scale AI infrastructure that lets enterprises train, fine-tune, and serve...

Sunnyvale, United States201–500Artificial Intelligence, Developer Tools
Series G+Total funding$2.1BFeb 2026
Advanced Energy IndustriesIPO

Designs and manufactures precision power conversion, measurement, and control solutions for semic...

FORT COLLINS, United States5001–10000Hardware, Manufacturing
ConvertibleTotal funding$1.7BMay 2026

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Niobium Microsystems on Indexed.vc
<a href="https://indexed.vc/companies/niobium-microsystems"><img src="https://indexed.vc/api/badge/company/niobium-microsystems" alt="Niobium Microsystems on Indexed.vc" width="260" height="76" /></a>