Niobium Microsystems

Dayton, OH · Founded 2021 · Privately Held (backing)

Developer of a hardware accelerator designed to advance computation for a fully encrypted cloud. Niobium Microsystems is based in Dayton, OH and was founded in 2021. Its last reported valuation was $21 million in Jan 2024. It has raised $42.1 million across 2 recorded rounds; the latest was a $12.8 million early-stage round in Mar 2025.

Last reported valuation
$21.0M
Oct 2026
Priced at
—
Total raised
$42.1M
Last round
Early Stage VC
Mar 2025
How much has Niobium Microsystems raised?
$42.1Macross 2 recorded rounds · Dec 2023 – Mar 2025

Most recently, Niobium Microsystems raised $12.8M in its Early Stage VC (Mar 2025).

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Niobium Microsystems round by round

2 rounds
Mar 2025Early Stage VC$12.8MSEC filing▮
5 investors participated
Dec 2023Seed Round$4.5MSEC filing▮
3 investors participated

How much has Niobium Microsystems raised?

Niobium Microsystems has raised $42.1 million in total; 2 of its rounds are on record. The largest on record was a $4.5 million seed round in Dec 2023; the most recent was a $12.8 million early-stage round in Mar 2025.

Niobium Microsystems has filed 2 Form Ds with the SEC since 2024, most recently in Mar 2025 ($12.8 million sold to 5 investors).

Niobium Microsystems investors

14 investors are on record for Niobium Microsystems, including Alumni Ventures, Korea Development Bank, Fusion Fund and Silicon Catalyst. By type, the record holds 6 venture capital firms and 1 fund of funds. The early-stage round in Mar 2025 drew 5 investors.

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Frequently asked about Niobium Microsystems

How much has Niobium Microsystems raised?
Niobium Microsystems has raised $42.1M in total across 2 recorded funding rounds.
When was Niobium Microsystems's last funding round?
Niobium Microsystems's most recent recorded round was Early Stage VC in Mar 2025, raising $12.8M.